WO2001079324A1 - Copolymere de metathese a ouverture de cycle hydrogene et procede de production de ce dernier - Google Patents
Copolymere de metathese a ouverture de cycle hydrogene et procede de production de ce dernier Download PDFInfo
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- WO2001079324A1 WO2001079324A1 PCT/JP2001/003139 JP0103139W WO0179324A1 WO 2001079324 A1 WO2001079324 A1 WO 2001079324A1 JP 0103139 W JP0103139 W JP 0103139W WO 0179324 A1 WO0179324 A1 WO 0179324A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
- C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
- C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
- C08G61/08—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
- G03F7/0395—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition the macromolecular compound having a backbone with alicyclic moieties
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
- G03F7/0397—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition the macromolecular compound having an alicyclic moiety in a side chain
Definitions
- the present invention relates to a novel hydrogenated ring-opening metathesis polymer, and more particularly, to a semiconductor fine particle using ultraviolet light or far ultraviolet light (including excimer lasers or the like) having excellent heat resistance, heat decomposition resistance, and light transmittance.
- the present invention relates to a hydrogenated ring-opening metathesis polymer suitable for a base polymer for a processing photoresist, and to a method for producing such a hydrogenated polymer.
- LSI large-scale integrated circuits
- VLSI very large-scale integrated circuits
- the minimum pattern of integrated circuits has been extended to the submicron region.
- the target substrate on which the thin film has been formed is coated with a resist, subjected to selective exposure to form a latent image of the desired pattern, and then developed to create a resist pattern, which is used as a mask. It is essential to use lithography technology to obtain a desired pattern by performing dry etching and then removing the resist.
- the g-line (wavelength 436 ⁇ m) and (-line (wavelength 365 nm) ultraviolet light are used as the exposure light source used in this lithography technology.
- Short far ultraviolet light, vacuum ultraviolet light, electron beam (EB), X-ray, etc. are being used as light sources.
- excimer lasers KrF laser with a wavelength of 248 nm and ArF lasers with a wavelength of 193 nm
- Polymers or copolymers used for resist materials that form a submicron pattern using exposure light in the vacuum ultraviolet region, which is a shorter wavelength include, for example, an ester moiety that is desorbed by an adamantane skeleton and an acid.
- Polymer or copolymer of acrylate or ⁇ -substituted acrylate having a protecting group Japanese Patent Application Laid-Open No. No. 9665
- a polymer or copolymer of an acrylate or an ⁇ -substituted acrylate having a norbornane skeleton and a protective group capable of leaving by an acid in the ester portion see JP-A-5-257.
- a photoresist composition comprising a polymer compound having an aliphatic cyclic hydrocarbon as a main chain and having a cyclic skeleton having a functional group capable of being decomposed by an acid
- WO97 / 331980 Japanese Patent Application Laid-Open No. —
- the cyclic macromolecule as shown in JP-A No. 2305/95, JP-A-09-224444 / JP-A-10 / 254-139 has dry etching resistance. It is excellent in transparency to far ultraviolet rays, but has problems such as poor solubility in resist solvents at high concentrations, poor wettability to developing solutions, and poor adhesion to silicon substrates. Disclosure of the invention
- the present invention relates to the above-mentioned various properties required for use as a base polymer for a resist material, and more specifically, to a semiconductor fine processing using ultraviolet rays or far ultraviolet rays (including excimer lasers).
- Positive photoresist composition with excellent transparency, high sensitivity, high resolution, high affinity for alkaline developer, and good patterns.Used as a base polymer for resist materials.
- a ring-opening metathesis polymer hydrogenated cyclic olefin monomer has excellent optical properties, electrical properties, high rigidity, heat resistance, and substrate adhesion.
- a specific structural unit that is, an aliphatic cyclic compound as a main chain, and oxygen in a part of the cyclic structure
- the inventors have found that a novel hydrogenated ring-opening metathesis polymer having an atom-containing structural unit satisfies various properties as a resist material, and have completed the present invention.
- the present invention relates to the following general formula
- R 5 is a hydrogen atom, a linear or branched or cyclic alkyl group having 1 to 10 carbon atoms, a linear or branched alkyl group having 2 to 10 carbon atoms. Cyclic alkoxyalkyl group, or linear, branched or cyclic acyl having 1 to 10 carbon atoms Represents a group.
- R 6 represents a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms.
- W 1 is a single bond or a k + 2-valent hydrocarbon group with carbon number 1-1 0.
- Z represents a divalent hydrocarbon group having 2 to 15 carbon atoms, and forms a single ring or a bridged ring together with the carbon atoms to be bonded.
- k is 0 or 1.
- R s to R are each independently a hydrogen atom or a carbon number from 1 to 1 0 linear, branched or cyclic alkyl group, X 2 one O- or a CR 12 ⁇ one (R 12 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms), which may be the same or different.
- m represents 0 or an integer of 1 to 3.
- R 13 to R 16 are each independently a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, and X 3 is 1 O— or 1 CR 17 2 — (R 17 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms) and may be the same or different.
- n is 0 or 1
- the constituent molar ratio [A] / ([B] and [C]) is 100 to 991 and the ratio of the weight average molecular weight Mw to the number average molecular weight Mn (MwZMn) is 1.0 to 2.0.
- the hydrogenated ring-opening metathesis polymer is 0.
- FIG. 1 shows a 1 H-NMR spectrum (270 MHz, solvent: deuterated chloroform) of the hydrogenated ring-opening metathesis polymer obtained in Example 1.
- R 5 is a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, a linear, branched or cyclic alkyl group having 2 to 10 carbon atoms.
- R 6 represents a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms
- W 1 represents a single bond or a k + divalent hydrocarbon group having 1 to 10 carbon atoms
- Z represents a divalent hydrocarbon group having 2 to 15 carbon atoms Or a bridged ring is formed, k is 0 or 1.
- k is 0 or 1.
- R 5 linear from 1 to 10 carbon atoms, is a branched or cyclic alkyl group, for example methyl, Echiru, propyl, isopropyl, n- heptyl, Isobuchi Le, tert- butyl, cyclopentyl / Les, cyclo Hexinole, 1-ethizolecyclopentyl, 1-ethylcyclohexyl and the like.
- Examples of the linear, branched or cyclic alkoxyalkyl group having 2 to 10 carbon atoms include methoxymethyl, 1-ethoxyl / re, and the like.
- 1-tert-butoxystil 1-cyclohexyloxy Shetyl, 1-ethoxypropyl, 1-ethoxy 1-methylethyl, tetrahydrofuran-12-yl, tetrahydropyran-12-yl and the like, and linear, branched or cyclic having 1 to 10 carbon atoms
- the acryl group include phenol, acetyl, bivaloyl, cyclohexylcarbonyl and the like.
- R 5 straight-chain or branched alkyl group having 1 to 6 carbon atoms, having 2 to 7 of a straight, branched or cyclic alkoxyalkyl group, and a straight chain of carbon number 2-7
- Preferred is a linear or branched acyl group, and particularly preferred is a hydrogen atom, methyl, ethyl, methoxymethyl, 1-ethoxyshetyl, tetrahydrofuran-12-yl and acetyl.
- examples of the linear, branched or cyclic alkyl group having 1 to 10 carbon atoms include methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, tert-butyl, cyclopentyl, and cycloalkyl.
- methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, tert-butyl, cyclopentyl, cyclohexyl, norbornyl, 1-ethyl 7-cyclopentyl Nore and 1-ethylcyclohexyl are preferred.
- the number 1 to 1 0 linear, divalent hydrocarbon branched or cyclic Group for example, methylene, dimethylmethylene, ethylidene, propylidene, butylidene, ethylene, 1-methylethylene, 2-methylethylene, 1-ethyl / ethylene, 2-ethylethylene, i, 1-dimethylethylene, 2-dimethylethylene, 2,2-dimethylethylene, 1-ethyl-2-methylethylene, trimethylene, 1-methyltrimethylene, 2-methyltrimethylene, 3-methyltrimethylene, tetramethylene, bentamethylene, 1,1-cyclo Pentylene, 1,2-cyclopentylene, 1,3-cyclopentylene, 1,1-cyclohexylene, 1,2-cyclohexylene, 1,3-cyclohexylene , And 1, and xylene to 4-cyclopropyl.
- methylene dimethylmethylene, ethylidene, propylidene, butylidene
- ethylene 1-methylethylene,
- methylene, ethylidene, ethylene, 1-methyl Tylene, 2-methylethylene, trimethylene, and 2-methyltrimethylene are preferred.
- k 1, for example, a bond other than one hydrogen atom at an arbitrary position on the hydrocarbon group mentioned above when k is ⁇ can be used.
- W 1 is a single bond.
- Z is a divalent hydrocarbon group having 2 to 15 carbon atoms, and is a hydrocarbon group which forms a single ring or a bridged ring with the carbon atom to be bonded.
- R 6 is as defined above.
- R 32 to R 37 are each independently a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms.
- B is 0 or an integer of 1 to 6, and when b is 2 to 6, a plurality of R 34 and R 35 may be the same or different.
- 1-alkyl represented by the following formula: Cycloalkyl group, the following general formula [14]
- R 6 is as defined above.
- R 38 to R 47 are each independently a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms.
- 2-alkyl-12-adamantyls such as 2-methyl-2-yl-mantyl and 2-ethyl-2-adamantyl. And the like.
- Specific examples of the general formula [13] include 1-methylcyclopropanol, 1-methylcyclobutyl, 1-ethylcyclobutyl, 1-methylcyclopentyl, 1-ethylcyclopentyl, and 1-n-propyl Cyclopentyl, 1—is
- 1-alkylcyclopentyl represented by the following formula is preferred, and 1-methylcyclopentyl [15-1] and 1-ethylcyclopentyl [15-2] are more preferred.
- a specific example of the general formula [14] is a chemical formula [16]
- [16-10] [16-11] include 2-alkyl-norbornyl group. Of these, [1 6 - 1], [1 6 - 2], [1 6 3] and [1 6—4] is preferred.
- the others of R i to R 4 are each independently a hydrogen atom, a carbon atom having 1 to 20 carbon atoms such as methyl, ethyl, propyl, isopropyl, n-butyl, tert-butynole, cyclohexyl or menthyl.
- Straight-chain, branched or cyclic alkylcarbonyloxy groups such as acetoxy; arylcarbonylcarbonyl groups such as naphthoyloxy having 6 to 20 carbon atoms; linear chains such as mesyloxy having 1 to 20 carbon atoms; Branched or cyclic alkylsulfonyloxy group, arylsulfonyloxy group having 6 to 20 carbon atoms such as toshi / reoxy, methoxycarbonyl / reoxycarbon group having 2 to 20 carbon atoms, ethoxycarbonyl, n-propoxycal Bonyl, isopropoxy force / repo / re
- Specific examples include a chain, branched or cyclic alkoxycarbonylalkyl group: among them, a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 20 carbon atoms, and a carbon atom having 1 to 20 carbon atoms.
- 20 linear, branched or cyclic alkoxy groups 2 to 20 carbon linear Branched or cyclic alkoxy alkyl group, carbon number 2-2 0 linear, branched or cyclic alkoxycarbonyl two
- R 7 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms
- X 1 may be the same or different, .
- Specific examples of R 7 include a hydrogen atom or a linear or branched alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl or tert-butyl having 1 to 10 carbon atoms.
- X 1 preferably rather one O- or a CH 2 -, more preferably an all X 1 is one O- or one CH 2 - are either.
- j is preferably 0 or 1.
- R 8 to R each independently represent a hydrogen atom or a carbon number:!
- R 8 to R each independently represent a hydrogen atom or a carbon number:!
- Specific examples include a linear, branched or cyclic alkyl group such as 1 to 10 such as methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl, cyclohexyl or menthyl.
- X 2 is one O— or one CR 12 2 — (R 12 represents a hydrogen atom or a linear or branched alkyl having 1 to 10 carbon atoms), and when m is 1 to 3, X is It can be the same or different.
- R 12 include a hydrogen atom or a linear or branched alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl or tert-butyl having 1 to 10 carbon atoms.
- X 2 is preferably — ⁇ or 1 CH 2 —, and more preferably all X 2 are either 1 O— or 1 CH 2 —.
- m is preferably 0 or 1.
- R 13 to R 16 each independently represent a hydrogen atom, or methyl, ethyl, n-propyl, isopropyl, n-butyl, tert- Specific examples include a linear, branched or cyclic alkyl group such as butyl, cyclohexyl or menthyl.
- X 3 is one O— or one CR 17 2- (R 17 represents a hydrogen atom or a linear or branched alkyl having 1 to 10 carbon atoms), and when n is 1 to 3, X 3 may be the same or different, as: R 17 Specific examples thereof include a hydrogen atom or a linear or branched alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl or tert-butyl having 1 to 10 carbon atoms.
- X 3 is preferably one O— or one CH 2 — , and more preferably all X 3 are either — ⁇ or one CH 2 —.
- n is preferably 0 or 1.
- the hydrogenated ring-opening metathesis polymer in the present invention includes X 1 of the structural unit [A] represented by the general formula [1], X 2 of the structural unit [B] represented by the general formula [3], and A hydrogenated ring-opening metathesis polymer in which at least one of X 3 in the structural unit [C] represented by the general formula [4] is —O—, and thus the oxygen atom is the main chain
- the presence in the aliphatic cyclic compound improves the adhesion to substrates to be processed, such as silicon substrates, improves the wetting tension during development with an alkaline aqueous solution, and the ketone used in the process of applying a resist agent to a silicon wafer.
- Organic solvents such as alcohols and alcohols
- the structure represented by the general formula [4] A hydrogenated ring-opening metathesis polymer in which at least one of X 3 in the unit [C] is one and the others are one CH 2 —.
- the molar amount of 10-unit relative to the total molar amount of X 1 , X 2 and X 3 is from 0.01 to 0.99, preferably from 0.02 to 0.95, more preferably from 0. .05 to 0.70, most preferably 0.10 to 0.70.
- the structural unit [A] represented by the general formula [1] and the structural unit [B] and Z represented by the general formula [3] or the structural unit [C] represented by the general formula [4] The molar ratio of [A] / ([B] and [C]) is from 0/100 to 99/1, preferably from '20 / 80 to 99/1. At least a certain amount of structural units [B] and / or [C] must be present.
- the structural unit [A] includes a tertiary ester group of a cyclic alkyl represented by the general formula [2], that is, a group which is decomposed by an acid generated from a photosensitizer upon exposure to generate a carboxylic acid.
- the structural units [B] and / or [C] are necessary to develop adhesion to a substrate to be processed such as a silicon substrate. If these molar ratios [A] / ([B] and [C]) are less than 20/80, the development may be insufficient: No adhesion is exhibited. More preferably, the molar ratio [A] / ([B] and [C]) is 20 to 80 to 955, particularly preferably 25/75 to 90/10, most preferably 30/70 to 85.
- the presence of these structural units in this range is suitable for preparing a resist composition, and dissolves in a polar solvent such as 2-heptanone together with a highly polar sensitizer, such as a silicon substrate. It is extremely important as a resist material applied to the substrate to be processed. That is, the hydrogenated ring-opening metathesis polymer can form a uniform smooth coating film by increasing the solubility or dissolution rate in a polar solvent when preparing a resist composition.
- the structural units [B] and [C] is indispensable.
- the structural units [B] and [B] are required.
- a terpolymer composed of [C] but is preferably a terpolymer composed of only one of the structural units [B] or [C].
- the hydrogenated product of the ring-opening metathesis polymer of the present invention is restricted to a narrow molecular weight distribution in which the ratio (MwZMn) between the weight average molecular weight Mw and the number average molecular weight is 1.0 to 2.0.
- the molecular weight distribution greatly affects the resolution when used as a resist material, and the narrower the molecular weight distribution, the higher the resolution of the pattern. It is preferably in the range of 1.0 to 1.8, more preferably 1.0 to 1.6.
- the molecular weight of the hydrogenated product of the ring-opening metathesis polymer of the present invention usually has a number average molecular weight Mn of 500 to 200,000.
- the number average molecular weight and weight average molecular weight described in this specification are gel permeates in terms of polystyrene. Measured by Acrylon Chromatography (GPC):
- These hydrogenated ring-opening metathesis polymers may be composed of one kind of structural unit each of the structural units [A:], [B]. And / or [C]. Units, deviations or all may consist of two or more structural units.
- the structural unit [A] is represented by the following general formulas [1-1] and [1-2]
- R 48 to R 31 is a functional group having a tertiary ester group of a cyclic alkyl represented by the general formula [2], and the others are each independently a hydrogen atom.
- R 5 2 to R 5 5 is a functional group having a tertiary ester group of a cyclic Al kill represented by the general formula [2], each other independently, hydrogen atom A linear, branched or cyclic alkyl group having 1 to 20 carbon atoms, a halogen, a linear, branched or cyclic halogenated alkyl group having 1 to 20 carbon atoms, Straight chain, branched or cyclic alkoxy group, straight chain having 2 to 20 carbon atoms, branched or cyclic alkoxyalkyl group, straight chain, branched or cyclic alkyl having 2 to 20 carbon atoms Carbonyloxy group, arylcarbonyl group having 6 to 20 carbon atoms, linear, branched or cyclic alkylsulfonyloxy group having 1 to 20 carbon atoms, arylsulfonyl group having 6 to 20 carbon atoms / A reoxy group, a linear chain having 2
- R 56 to R 59 are each independently a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, and m 1 is 0 or an integer of! To 3 Represents.
- R 6 ° to R 63 are each independently a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, and m 2 is 0 or an integer of 1 to 3
- the structural units [B_l] and [B_2] and Z or the structural unit [C] are represented by the following general formulas [4-1] and [4-2]
- the hydrogenated ring-opening metathesis copolymer of the present invention comprises a structural unit [D] represented by the general formula [5] in addition to the structural units [A] and [B] and Z or [C]. Further, it is preferable to have it as a structural unit in order to further improve the substrate adhesion and the affinity for a developing solution.
- R 19 to R 22 is a group represented by the general formula: [6] (wherein, the chain line represents a bond.
- R 2 3 is a hydrogen atom, the number 1 to 1 0 linear, branched or cyclic alkyl group, the number 2 to 0 of the straight Represents a branched or cyclic alkoxyalkyl group, or a linear, branched or cyclic alkoxy having 1 to 10 carbon atoms:
- W 2 is a single bond or k + 2 valent having 1 to 10 carbon atoms
- q is 1 or 2.
- R 2 3 1 to 1 0 straight, is a branched or cyclic alkyl group, for example methyl, Echiru, propyl, isopropyl, n- butyl, Isobuchi les, tert- off "Chinore, cyclopentyl z-, cyclohexyl, 1-ethynolecyclopentyl, 1-ethylcyclohexyl and the like.
- linear, branched or cyclic alkoxyalkyl group having 2 to 10 carbon atoms examples include methoxymethyl, 1 _________________________ OXYCHECHYL, 1-tert_BUTOXECHYL, 1-CYCLOHEXOXYLOXECHYL, 1-ETHYLOXYLPROPYL, 1-ETHYLOXYL-1-METHYLETYL, TETRAHYDROFURAN-2-YL, AND TETRAHYDROPYRAN-1-2-yl, etc.
- linear, branched or cyclic acyl group of 1 to 10 include, for example, formyl, acetyl, Royle, and cyclohexyl carbonyl etc. cyclohexylene.
- R 2 3 straight-chain or branched alkyl group having 1 to 6 carbon atoms, having 2 to 7 of the straight, branched or cyclic Alkoxyalkyl groups and straight-chain or branched-chain acyl groups having 2 to 7 carbon atoms are preferred.
- hydrogen atom, methyl, ethyl, methoxymethyl / l, 1-ethoxyshethyl, tetrahydrofuran-1-yl and acetyl is preferred.
- q + divalent hydrocarbon group of 1 to 1 0 carbon atoms if the q is 0, 1 to 1 0 linear, divalent hydrocarbon branched or cyclic Group, for example, methylene, dimethylmethylene, ethylidene, propylidene, butylidene, ethylene, 1-methylethylene, 2-methylethylene, 1-ethylenoleethylene, 2-ethylethylene, 1,1-dimethylethylene, 1,1-dimethylethylene 2-dimethylinoethylene, 2,2-dimethylethylene, 1-ethyl-2-methylethylene, trimethylene, 1-methyltrimethylene, 2-methyltrimethylene, 3-methyltrimethylene, tetramethylene, bentamethylene, 1, 1-cyclopentylene, 1,2-cyclopentylene, 1,3-cyclopentylene, 1,1-cyclohexylene, 1,2-cyclo Oral hexylene, l, 3-cyclohexylene, and 1,4-cyclohexylene.
- methylene dimethylm
- methylene, ethylidene, ethylene, 1-methylethylene, 2-methylethylene, trimethylene, and 2-methyltrimethylene are preferred.
- k 1, for example, a bond other than one hydrogen atom at an arbitrary position on the hydrocarbon group mentioned above when k is 0 can be used.
- W 2 is a single bond.
- R 1 9 ⁇ R 2 2 Others each independently, a hydrogen atom, the number 1-2 0 der Ru methyl carbon, Echiru, propyl, isopropyl, n- butyl, tert- butyl, cyclohexyl or menthyl, etc.
- cyclohexylene A linear, branched or cyclic alkyl group, a halogen atom such as a chlorine atom, a bromine atom, an iodine atom or a fluorine atom; Linear, branched or cyclic alkyl halide groups such as methyl, trif / reolomethy / re, trichloromethyl or tribromomethyl, C1-C12 methoxy, ethoxy, isopropoxy, n-butoxy, tert-butoxy Or a linear, branched or cyclic alkoxy group such as menthoxy, methoxy having 2 to 20 carbon atoms A linear, branched or cyclic alkoxyalkyl group containing alkoxy sugars such as tyl, methoxethyl, tert-butoxymethyl, tert-butoxyshethyl or methoxymenthol; Linear, branched or cyclic alky
- Linear, branched or cyclic alkoxyalkyl group, C2-20 linear, branched or cyclic alkoxycarbonyl group, and C3-2 ⁇ linear, branched or cyclic Alkoxy carboxy / realkyl / re groups are preferred, and more preferably a hydrogen atom, a linear or branched alkyl group having 1 to 10 carbon atoms, or a linear or branched alkoxy group having 2 to 10 carbon atoms. And a linear or branched alkoxycarbonyl group having 3 to 10 carbon atoms.
- X 4 hard ⁇ one or - CR 23 2 - a
- R 23 represents a hydrogen atom or a linear or branched alkyl group having a carbon number of 1-1 0
- X 4 may be the same or different.
- Specific examples of R 23 include a hydrogen atom or a linear or branched alkyl group such as methyl, ethyl, n-acopyl, isopropyl, n-butyl or tert-butyl having 1 to 10 carbon atoms.
- Can be X 4 is preferably 110 or 1 CH 2 —, and more preferably all X 4 are either 1 O— or 1 CH 2 —.
- p is preferably 0 or 1.
- [B] + [C]) / [D] is 100/0 ⁇ 2080, and there is a certain amount of structural unit [D] in addition to structural units [A], [B] and [C] Is preferred.
- the structural unit [D] greatly enhances adhesion to a substrate to be processed such as a silicon substrate, and further improves affinity with a developing solution.
- [C]) [D] is from 982 to 50/50, more preferably from 97/3 to 6040, most preferably from 95Z5 to 70/30.
- the hydrogenated ring-opening metathesis copolymer of the present invention is represented by the general formula [7] in addition to the structural units [A] and [B] and Z or [C], preferably further [D]. May further have the structural unit [E] as a structural unit.
- R 24 to R 27 is a group represented by the general formula [8] (where a chain line represents a bond.
- R 28 is a hydrogen atom, a linear chain having 1 to 10 carbon atoms) , Branched or cyclic alkyl group, C2-C10 linear, branched or cyclic alkoxyalkyl group, or C1-C10 linear, branched or cyclic acyl group
- R 29 represents a straight-chain or branched alkyl group having 1 to 10 carbon atoms, a straight-chain, branched or cyclic alkoxya / realkyl group having 2 to 10 carbon atoms, and a 1 to 20 carbon atoms.
- W 3 is. s indicating the k + 2-valent hydrocarbon group single bond or a carbon number of 1-1 0 is 0 or 1.) in It is a functional group having a carboxylic acid ester group represented.
- the number 1 to 1 0 linear is a branched or cyclic alkyl group, for example methyl, Echiru, propyl, isopropyl, n- butyl, Isopuchi Honoré, tert- Buchinore, cyclopentyl Honoré, Cyclohexinole, 1-ethynolecyclopentyl, 1-ethylcyclohexyl, and the like.
- the linear, branched, or cyclic alkoxyalkyl group having 2 to 10 carbon atoms include methoxymethyl, 1-ethoxyl, 1-ethoxyl, and the like.
- a chain or branched acyl group is preferable, and a hydrogen atom, methyl, ethyl, methoxymethyl, 11-ethoxyshethyl, tetrahydrofuran-12-yl and acetyl are particularly preferable.
- R 2 9 as the linear or branched alkyl group having a carbon number of 1 to 1 0, for example, methyl, Echiru, propyl, isopropyl, n- butyl, isobutyl, and tert- butyl and the like, carbon
- the linear, branched or cyclic alkoxyalkyl group of the number 2 to 10 include methoxymethyl, 1-ethoxyl, 1-tert-butoxyl, 1-cyclohexyloxyl / l, 1-ethoxypropyl, 1_ Ethoxy-1-methylethyl, tetrahydrofuran-12-yl, tetrahydropyran-12-yl and the like are mentioned.
- halogenated alkyl group having 1 to 20 carbon atoms For example, fluoromethyl, chloromethylin, bromomethylinole, difluoromethyl, dichloromethyl, dibromomethyl, trifluoromethyl Orthomethyl, trichloromethyl, tribromomethyl and the like.
- R 2 9 preferably a linear or branched al Kill group having a carbon number of 1 to 1 0, in particular methyl, Echiru, propyl, isopropyl, n- butyl, Isobuchiru, and tert- butyl to preferred ,.
- the number 1 to 1 0 linear, divalent hydrocarbon branched or cyclic Groups such as methylene, dimethylmethylene, ethylidene, propylidene, butylidene, ethylene, 1-methylene, 2-methylenoleethylene, 1-ethyl / ethylene, 2-ethylethylene, 1,1-dimethylene / ethylene, 2-dimethyl / ethylene, 2,2-dimethylethylene, 1-ethyl-2-methylethylene, trimethylene, 1-methyltrimethylene, 2-methyltrimethylene, 3-methyltrimethylene, tetramethylene, pentamethylene, 1,1- Cyclobenthylene, 1,2-cyclopentylene, 1,3-cyclopentylene, 1,1-cyclohexylene, 1,2-cyclo Mouth hexylene, 1,3-cyclohexylene, and 1,4-cyclohexy
- methylene, ethylidene, ethylene, 1-methylethylene, 2-methylethylene, trimethylene, and 2-methyltrimethylene are preferred.
- s is 1, for example, those in which one hydrogen atom at an arbitrary position on the hydrocarbon group mentioned above when s is 0 is removed to form a bond can be mentioned.
- W 3 is a single bond.
- R 2 4 ⁇ R 2 7 each independently, a hydrogen atom, C 1 -C 2 0 der Ru methyl carbon, Echiru, propyl, isopropyl, n- butyl, tert-butyl, etc.
- cyclohexyl or menthyl cyclohexylene Straight-chain, branched or cyclic alkyl group, halogen atom such as chlorine atom, bromine atom, iodine atom or fluorine atom, C1-C20 phthalenomethyl, chloromethyl, bromomethylinole, diph / reolomethyl, dichloromethyl, dibromo
- a linear, branched or cyclic alkyl halide group such as methyl, trifluoromethyl, trichloromethyl or trifluoromethyl, methoxy, ethoxy, isopropoxy, n-butoxy, tert-butoxy or tert-butoxy having 1 to 12 carbon atoms
- Linear, branched or cyclic alkoxy groups such as menthoxy, C2-C20 methoxy
- a linear, branched or cyclic alkoxyalkyl group containing an alkoxy sugar such as methyl, meth
- X 5 is one hundred and one or a CR 30 2 - (R 30 is a hydrogen atom or a carbon number:! ⁇ 1 represents a linear or branched alkyl group having 0), and when r is 1 to 3, X 5 may be the same or different.
- R 3 ° include a hydrogen atom or a linear or branched alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl or tert-butyl having 1 to 10 carbon atoms. is: as X 5, favored properly one O- or a CH 2 - is, more preferably all of X 5 was one O- or one CH 2 - are either.
- r is preferably 0 or 1.
- the hydrogenated ring-opening metathesis copolymer of the present invention comprises, in addition to the structural units [A] and [B] and / or [C], preferably [D], and optionally [E], The following general formula [22]
- R- 2 to R75 are each independently a hydrogen atom, a linear or branched or cyclic alkyl group having 1 to 20 carbon atoms, a halogen, a linear or branched alkyl group having 1 to 20 carbon atoms.
- cyclic halogenated alkyl groups linear, branched or cyclic alkoxy groups having 1 to 20 carbon atoms, linear, branched or cyclic alkoxyalkyl groups having 2 to 20 carbon atoms, Doxy group, C1-C20 linear, branched or cyclic hydroxyalkyl group, cyano group, C2-C20 linear, branched or cyclic cyanoalkyl group, C2-C20 A linear, branched or cyclic alkylcarbonyloxy group of 3-20 carbon atoms, a linear or branched or cyclic alkylcarbonyloxyalkyl group, an arylcarbonylcarbonyl group of 6-20 carbon atoms, C1-C20 linear, branched or cyclic Alkylsulfonyl O alkoxy group, 2-20 straight, selected from branched or cyclic alkylsulfonyloxy O alkoxyalkyl group or ⁇ Li one Rusuruho two
- X 6 is One O— or one CR 7 % — (R 76 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms), which may be the same or different, and V is 0 or
- the structural unit [F] represented by the following formula (1) may be further included as a structural unit.
- the hydrogenated ring-opening metathesis copolymer of the present invention comprises a structural unit [A] represented by the general formula [1], a structural unit [B] represented by the general formula [3], and / or a general formula [4]
- a structural unit represented by the formula [C] and, if necessary, a general formula [7] [E] and, if necessary, a cyclic olefin monomer corresponding to each of the structural units [F] represented by the general formula [22] is polymerized with a ring-opening metathesis catalyst, and hydrogenated under a hydrogenation catalyst. It is obtained by adding.
- the cyclic olefin monomer corresponding to the structural unit [A] represented by the general formula [1] is a cyclic olefin monomer having a structure represented by the general formula [9] and represented by the general formula [3].
- the cyclic olefin monomer corresponding to the structural unit [B] is a cyclic olefin monomer having a structure represented by the general formula [10], and is represented by the structural unit [C] represented by the general formula [4].
- the cyclic olefin monomer corresponding to is a cyclic olefin monomer having a structure represented by the general formula [11], and corresponds to the structural unit [E] represented by the general formula [7].
- the olefin monomer is a cyclic olefin monomer having a structure represented by the general formula [12], and a cyclic olefin monomer corresponding to the structural unit [F] represented by the general formula [22]
- R 56 to R 75 are the substituents already described as the corresponding substituents, and include the same substituents including the preferred ranges.
- the hydrogenated ring-opening metathesis copolymer of the present invention comprises at least a cyclic olefin monomer represented by the general formula [9], a cyclic olefin monomer represented by the general formula [10], And a cyclic olefin monomer represented by the general formula [11] and, if necessary, a cyclic olefin monomer represented by the general formula [1 2].
- An annular Orefin monomer represented by the general formula [23] If necessary and, X 1 in the general formula [9], X 3 of X 2, and of general formula [10] [1 1]
- These cyclic olefin monomers are polymerized with a ring-opening metathesis catalyst and then hydrogenated under a hydrogenation catalyst.
- a cyclic olefin monomer represented by the general formula [9] a cyclic olefin monomer represented by the general formula [10]
- a cyclic olefin monomer represented by the general formula [11] are used.
- the charged molar ratio with the body is 0/100 to 99Z1, preferably 20Z80 to 99/1, more preferably 20/80 to 95/5, particularly preferably 25/75 to 9010, and most preferably 30/70. ⁇ 85/15. If the formula used cyclic Orefin monomer express in [12], usually, used an amount of 50 mole 0/0 or less based on the total molar amount of Orefuin monomers used, preferably 30 mol 0 / 0 or less, more preferred properly is 20 mole 0/0 or less.
- X 2 of the cyclic olefin monomer represented by the general formula [10] at least ⁇ Tsuga ⁇ - of X 3 of Orefin monomer, others - CH 2
- the molar amount of 10-units relative to the total molar amount of XI, X2 and X3 is from 0.01 to 0.99, preferably from 0.02 to 0.95. And more preferably 0.05 to 0.80, and most preferably 0.10 to 0.70.
- the —O—unit based on the total total molar amount of ⁇ , X2, X3, X5 and X6 Is from 0.01 to 0.99, preferably from 0.02 to 0.95, more preferably from 0.05 to 0.80, and most preferably from 0.10 to 0.90. 70.
- the hydrogenated ring-opening metathesis copolymer of the present invention is obtained by using the above-mentioned cyclic olefin monomer with a ring-opening metathesis catalyst, preferably a living ring-opening metathesis catalyst, and more preferably a chain transfer agent such as olefin or diene.
- a ring-opening metathesis catalyst preferably a living ring-opening metathesis catalyst
- a chain transfer agent such as olefin or diene.
- any catalyst may be used as long as it is a catalyst that performs ring-opening metathesis polymerization.
- the living ring-opening metathesis catalyst include w (N-2, 6-Pr ' oCgHg) (CHBu (OBu 1) 2, W (N-2, 6 - P r 1 2 C e H 3) (CHB u ') (OCMe 2 CF 3) 2, W (N- 2, 6 - P r ' 2 C 6 • H 3 ) (CHB u') (OCMe (CF 3 ) 2 ) 2 , W (N—2, 6 -P r ' 2 C 6 H 3 ) (CHCMe 2 P h) (OB u 2, W (N- 2, 6- P r '2 C 6 H 3) (CHC Me 2 P h) (OCMe 2 CF 3) 2, W (N- 2, 6 - P r 1 2 C 6 H 3 ) (CHCM e 2 Ph
- Tungsten-based such as alkylidene catalyst, Mo (N 'one 2, 6 - P r' 2 C Q H 3) (CHB u ') (OBu 1) 2, Mo (N-2, 6 - P r' 2 C 5 H 3) (CHB u ' ) (OCMe 2 CF 3) 2, Mo (N- 2, 6 - P r 1 2 C 6 H 3) (CHB u ') (OCMe (CF 3) 2) 2, Mo (N- 2, 6- P r 1 2 C 6 H 3) (CHC e 2 P h) (OB u') 2 , Mo (N- 2, 6- P r '2 C 5 H 3) (CHCMe 2 P h) (OCMe, CF 3) 2, Mo (N- 2, 6 - P r' 2 C 6 H 3) ( CHCMe 2 P h) (OCMe (CF 3 ) 2 ) 2 , where P r!
- Bu ′ is a tert-butyl group
- Me is a methyl group
- Ph is a phenyl .
- a group) molybdenum-based alkylidene catalyst such as, R e (CB ut) ( CHB u l) (O- 2, 6 - P r 1 2 C G H 3) 2, R e (CB u one (CHB u *) (O- 2 -B u 1 C 6 H 4 ) 2 , R e (CB u ') (CHB u') (OCMe 2 CF 3 ) 2 , R e (CB u R (CHB u ') (OCMe (CF 3 ) 2 ) 2 , R e (CB u (CHB u l ) (O—2, 6—Me 2 C Cl H 3 ) 2 , where Bu 1 represents a tert-butyl group.
- rhenium system such as Al Kiriden catalyst, T a [C (Me) C (Me) CHMe 3] (O- 2, 6 - P r '2 C 6 H 3) 3 P y, T a [C (P h ) C (P h) CHMe 3 ] (0- 2, 6- P r '2 C e H 3) 3 P y, (Me in the formula is a methyl group, P h is Enyl, P y is a tantalum-based alkylidene catalysts :) like representing the pyridine group, R u (CHCHC P h 2 ) (PP h 3) 2 C 1 2, R u (CHCHC P h 2) (P ( ⁇ ⁇ ⁇ 1 ⁇ ) 3) 2 C 1 2 (P h in the formula include ruthenium-based alkylidene catalyst or titanium without black butane catalyst :) like representing the full We two / Les group: ring-opening metathesis catalyst, alone
- a living ring-opening metathesis catalyst system using a combination of an organic transition metal complex and a Lewis acid as a cocatalyst for example, a transition metal halogen complex such as molybdenum or tungsten and an organic aluminum compound as a cocatalyst
- a ring-opening metathesis catalyst composed of an organic tin compound or an organic metal compound such as lithium, sodium, magnesium, zinc, cadmium, and boron can also be used.
- organic transition metal halogen complex W (N- 2, 6- P r '2 C 6 H 3) (thf) (OB u') 2 C 1 2, W (N- 2, 6 - P r '2 C 6 H 3) (thf) (OCMe 2 CF 3), C 1 2 W (N- 2, 6 - P r' 2 C 6 H 3) (thf) (OC Me 2 (CF 3), ) 2 C 1 2, W ( N- 2, 6- P r '2 C 6 H 3) (thf) (OB u *) 2 C 1 2, W (N- 2, 6- P r [2 C 6 H 3) (thf) (OCMe 2 CF 3) 2 C 1 2, W (N- 2, 6 - P r f 2 C S H 3) (thf) (OCMe 2 (CF 3) 2) 2 C 1 2, (P ri is iso in the formula - propyl, B u 1 is tert -.
- Butyl group, M e is methyl, P h is phenyl group, thf represents as tetrahydrofuran) data tungsten-based, such as catalyst comprising a combination of silver complex and the following organometallic compounds, were or Mo (N- 2, 6 - P r '2 C 6 H 3) (thf) ( ⁇ _B u one 2 C 1 ⁇ , Mo (N - 2, 6-P r '2 ⁇ ⁇ ⁇ 3) (thf) (OCMe 2 CF 3) 2 C l 2, Mo (N- 2, 6- P r' 2 C S H 3) (thf) (OCMe ( CF 3) 2) 2 C l 2, Mo (N- 2, 6- P r '2 C G H 3) (thf) (OBu one 2 C l 2, Mo (N- 2, 6- P r' 2 C 6 H 3) (thf) (OCMe 2 CF 3) 2 C l 2, Mo (N-2, 6 - P r '2
- Ph refers to a represents a phenyl group
- thf is as tetrahydrofuran) molybdenum-based halogen complex and the following organic such as From a combination of metal compounds Catalyst and the like that.
- organometallic compound as a promoter examples include trimethylaluminum, triethylaluminum, triisobutylaluminum, trihexyla / remidine, trioctyla / remidine, triphenylaluminum, Tribenzil aluminum, getyla / reminimum monochloride, g-n-butylaluminum, getylaluminum monobromide, getylaluminum monosulfide, getylaluminum monohydride, ethylaluminum sesqui Organoaluminum compounds such as chloride, ethylaluminum dichloride, etc.
- Trioctyltin bromide Trioctyltin bromide, trioctyltin iodide, dibutyltin difluoride, dibutyltin dichloride, dibutyltin dibromide, dibutyltin disulfide, butyltin trifluoride, butyltin trichloride, butyltin tribromide, butyltin Organotin compounds such as triodizide, organolithium compounds such as n-butyllithium, organic sodium compounds such as n-pentyl sodium, methylmagnesium iodide, ethylmagnesium bromide, methylmagnesium bromide, n —Organomagnesium compounds such as propylmagnesium bromide, t-butylmagnesium chloride and arylmagnesium chloride; organozinc compounds such as getylzinc; Organic cadmium compounds such as
- the molar ratio between the cyclic olefin monomer and the ring-opening metathesis catalyst is such that a transition metal alkylidene catalyst such as tungsten, molybdenum, rhenium, tantalum, or ruthenium or a titanic acid butane catalyst is used.
- the molar ratio of the cyclic olefin monomer to the transition metal alkylidene complex is from 2 to 100, preferably from 10 to 500.
- the cyclic olefin monomer is preferably 2 to 1000 in molar ratio to the organic transition metal halogen complex, preferably. Is from 10 to 500, and the molar ratio of the organometallic compound as the cocatalyst to the organic transition metal halogen complex is from 0.1 to 10, preferably from 1 to 5.
- a chain transfer agent such as olefin or gen in order to increase the catalyst efficiency.
- Examples of the olefin used as the chain transfer agent include ⁇ -olefins such as ethylene, propylene, butene, pentene, hexene, and otaten. Further, vinyltrimethylsilane, aryltrimethylsilane, aryltriethylsilane, arylaryl Examples include silicon-containing olefins such as soprovirsilane. Examples of the gen include non-conjugated gens such as 1,4-pentadiene, 1,5-hexadiene, and 1,6-hexadiene. Further, these olefins or gens may be used alone or in combination of two or more.
- the amount of olefin or gen used in the present invention is such that the olefin or the gen is added in a molar amount of 0.01 to 100 times, preferably 0.01 to 1 times the molar amount of the cyclic olefin monomer.
- the range is 100-fold molar.
- the amount of olefin or gen is in the range of 0.1 to 1000 equivalents, preferably 1 to 500 equivalents, per equivalent of the alkylidene of the transition metal alkylidene complex.
- a solvent may be used without solvent, or a solvent may be used.
- Aromatic hydrocarbons such as benzene, toluene, xylene or ethylbenzene, pentane and hexane.
- aliphatic hydrocarbons such as heptane, cyclopentane, cyclohexane, methylcyclohexane, dimethylcyclohexane or decalin, or methylene dichloride, dichloroethane, dichloroethylene, tetrachloroethane, Examples thereof include halogenated hydrocarbons such as benzene and trichlorobenzene, and two or more of these may be used in combination.
- the concentration of the ring-opening metathesis polymerization in the present invention varies depending on the reactivity of the cyclic olefin monomer and the solubility in the polymerization solvent, etc., and is not uniform, but is usually the concentration of the cyclic olefin monomer relative to the solvent. Is from 0.001 to 500 mol / L, preferably from 0.01 to: I0 Omo1 / L, more preferably from 0.05 to 50 mol ZL.
- the reaction temperature also varies depending on the type and amount of the cyclic olefin monomer and the ring-opening metathesis catalyst to be used, but is usually from 130 to 150 ° C, preferably from 0 to 120 ° C, and more preferably from 0 to 120 ° C. Preferably the temperature is between 15 and 100.
- the reaction time is generally 1 minute to 10 hours, preferably 5 minutes to 8 hours, and more preferably 10 minutes to 6 hours.
- the reaction is stopped with a deactivator such as an aldehyde such as butyl aldehyde, a ketone such as acetone, or an alcohol such as methanol to obtain a ring-opening metathesis polymer solution.
- a deactivator such as an aldehyde such as butyl aldehyde, a ketone such as acetone, or an alcohol such as methanol to obtain a ring-opening metathesis polymer solution.
- the polymer obtained by living ring-opening metathesis polymerization is a polymer having a desired molecular weight by controlling the molar ratio of a monomer to a catalyst, since ring-opening metathesis polymerization is a living polymerization reaction. It is also possible to control the molar ratio of monomer, chain transfer agent, and catalyst while maintaining the living polymerization reaction by performing living ring-opening metathesis polymerization in the presence of olefin or gen as a chain transfer agent. Also, a polymer having a desired molecular weight can be obtained. The molecular weight obtained by this ripening polymerization has a number average molecular weight Mn in terms of polystyrene of 500 to 200,000.
- the ratio of the weight average molecular weight Mw to the number average molecular weight Mn is within a narrow range of molecular weight distribution of 1.0 to 2.0. Even after hydrogenation of this ring-opening metathesis polymer in the presence of a hydrogenation catalyst, this molecular weight The range of the cloth does not change.
- the resist agent is preferably in the range of 1.0 to 1.8, and more preferably in the range of 1.0 to 1.6-The molecular weight and narrow molecular weight distribution in this range allow the resist agent to be dissolved in a solvent and applied to a silicon wafer by a spin coater. This is extremely important in forming a uniform smooth coating film in the step of applying a coating. Therefore, when the polymerization that determines the molecular weight and molecular weight distribution as a resist material is carried out by living polymerization, the polymer produced by hydrogenating olefins in the main chain portion of the polymer afterwards has a solubility in polar solvents and a silicon wafer. It is extremely important to exhibit the function of a resist material with improved adhesion or adhesion to the surface and applicability to the surface.
- a ring-opening metathesis polymer having an olefinic unsaturated bond in the main chain can be obtained by polymerizing the cyclic olefin monomer of the present invention with a ring-opening metathesis catalyst.
- a ring-opening metathesis catalyst in order to reduce the region of the maximum absorption wavelength of ultraviolet light (UV), and particularly to maximize the UV transmittance in this region with respect to one region of the octahedral excimer laser having a wavelength of 19311111, It is necessary to hydrogenate the olefin in the main chain of the ring-opening metathesis polymer. In this hydrogenation reaction, a known hydrogenation catalyst can be used.
- the hydrogenation catalyst in the case of a heterogeneous catalyst, metals such as palladium, platinum, nickel, rhodium and ruthenium are supported on a carrier such as carbon, silica, alumina, titania, magnesium, diatomaceous earth and synthetic zeolite.
- a carrier such as carbon, silica, alumina, titania, magnesium, diatomaceous earth and synthetic zeolite.
- M represents ruthenium, rhodium, osmium, iridium, palladium, platinum or nickel / nickel
- H represents a hydrogen atom
- Q represents a halogen atom
- T represents CO
- U is PR '1 R' 2 R ' 3
- P denotes phosphorus
- w is an integer of 0 or 1
- X is an integer of 1 to 3
- y is an integer of 0 or 1
- z represents an integer of 2 to 4.
- Q in the general formula [24] represents a halogen atom, and specific examples thereof include chlorine, fluorine, bromine and iodine atoms.
- T represents CO, NO, toluene, acetonitrile or tetrahydrofuran
- U represents an organic phosphorus compound, and specific examples thereof include trimethylphosphine, triethylphosphine, triisopropylphosphine, trin-propylphosphine, and tri-n-propylphosphine.
- t-butylphosphine triisobutylphosphine, tri-n-butylphosphine, tricyclohexylphosphine, triphenylphosphine, methyldiphen-zolephosphine, dimethinolephenylphosphine, trio_tolylphosphine, trim-tolylphosphine, trip — Tolylphosphine, getyltationphosphine, dichloro (ethyl) phosphine, dichloro (phne / le) phosphine, chlorodiphenylphosphine, trimethizolephosphite, triisopropylphosphine DOO, bird whistle - Specific examples of the organic metal complex expressed by Ruhosufui preparative exemplified c general formula [2 4], dichlorobis (tri phenylene / Les phosphine) nickel, dichlorobis (bird whistle - Le phosphin
- the amine compound examples include primary amine compounds such as methylamine, ethylamine, aniline, ethylenediamine, 1,3-diaminocyclobutane, dimethylamine compounds such as dimethylamine, methylisopropylamine, and 4-methylaniline, and trimethylamine.
- primary amine compounds such as methylamine, ethylamine, aniline, ethylenediamine, 1,3-diaminocyclobutane, dimethylamine compounds such as dimethylamine, methylisopropylamine, and 4-methylaniline, and trimethylamine.
- tertiary amine compounds such as triamine, triethylamine, triphenylamine, ⁇ , ⁇ -dimethylaniline, pyridine and ⁇ -picoline. Tertiary amine compounds are preferably used.
- the hydrogenation rate is markedly improved when it occurs.
- organometallic complexes or amine compounds can be used in combination of two or more in any proportion.
- the amount of the ring-opening metathesis polymer and the amount of the hydrogenation catalyst used are determined based on the amount of the known hydrogenation catalyst relative to that of the ring-opening metathesis polymer. 5 to 500 ppm, preferably 100 to 1000 ppm.
- the organometallic complex is 5 to 500 ppm with respect to the ring-opening metathesis polymer, and preferably 10 to 100 ppm. It is preferably 0000 ppm, particularly preferably 50 to 100 ppm.
- the amine compound is used in an amount of 0.1 to 1000 equivalents, preferably 0.5 to 500 equivalents, and particularly preferably 1 to 100 equivalents, based on the organometallic complex used.
- the hydrogenation catalyst composed of an organometallic complex and an amine compound can be used by pre-contacting the organometallic complex with the amine compound.
- the compounds may each be added directly to the reaction system without prior contact treatment.
- the solvent used in the hydrogenation reaction of the ring-opening metathesis polymer may be any solvent that is commonly used in hydrogenation reactions. Preferred is a solvent in which the solvent itself is not hydrogenated.
- ethers such as tetrahydrofuran, getyl ether, dibutyl ether or dimethoxetane
- aromatic hydrocarbons such as benzene, toluene, xylene or ethyl benzene
- aliphatic hydrocarbons such as pentane, hexane or heptane
- Aliphatic hydrocarbons such as cyclopentane, cyclohexane, methylcyclohexane, dimethylcyclohexane or decalin, or methylene dichloride, dichloroethane, dichloroethylene, tetrachloroethane, chlorobenzene or trichlorobenzene And halogenated hydrocarbons.
- the concentration of the hydrogenation reaction of the ring-opening metathesis polymer in the present invention varies depending on the type of the ring-opening metathesis polymer, the hydrogenation catalyst and the solvent, and is not uniform. 0.01 g to 10 kg / L, preferably 0.1 g to 5 kg / L, more preferably 0.1 Sglk gZL.
- the hydrogenation reaction of the ring-opening metathesis polymer is usually carried out at a hydrogen pressure of normal pressure to 3 OMPa, preferably 0.5 to 20 MPa, particularly preferably 2 to 15 MPa, and the reaction temperature is The temperature is usually from 0 to 300 ° C, preferably from room temperature to 250 t: particularly preferably from 50 to 200 ° C.
- the reaction time is generally 1 minute to 50 hours, preferably 10 minutes to 20 hours, more preferably 30 minutes to 10 hours.
- the production of the hydrogenated product of the ring-opening metathesis polymer in the present invention can be carried out by isolating the ring-opening metathesis polymer from the ring-opening metathesis polymer solution and then dissolving it in a solvent, but without isolation.
- a method of performing a hydrogenation reaction by adding a hydrogenation catalyst comprising the above-mentioned organometallic complex and an amine compound may be employed.
- the ring-opening metathesis catalyst or hydrogenation catalyst remaining in the polymer can be removed by a known method.
- filtration an adsorption method using an adsorbent, a method in which an organic acid such as lactic acid, a poor solvent and water are added to a solution using a good solvent, and the system is extracted and removed at room temperature or under heating.
- a method of contacting a solution or polymer slurry with a solvent with a basic compound and an acidic compound, followed by washing and removing the solution or the like can be used.
- the method for recovering the polymer hydride from the ring-opening metathesis polymer hydrogenated solution is not particularly limited, and a known method can be used.
- Examples thereof include a steam stripping method in which the solvent is precipitated, and a method in which the solvent is directly removed from the reaction solution by heating or the like.
- the hydrogenation rate is 90. / 0 or more can easily be achieved, 95. / 0 or more, especially 99% or more. It becomes a hydrogenated product.
- the structural unit [A] represented by the general formula [1] is optionally contained, and the structural unit [B] represented by the general formula [3] and / or the general formula [4] is represented.
- Consisting of at least the structural unit [C] and, if necessary, the structural unit [E] represented by the general formula [7] and, if necessary, the structural unit [F] represented by the general formula [22] It is, and the general formula X 1 of the structural unit represented by [1] [a], X 2, and of general formula [3] represented by the structural unit [B] [4]
- At least one of X 3 in the structural unit [C] is 1 O—, and its constituent molar ratio [A] / ([B] and [C]) is 0 100-99 / 1, preferably 20 /
- a hydrogenated ring-opening metathesis polymer having a weight-average molecular weight Mw and a number-average molecular weight Mn (Mw / Mn) of 1.0 to 2.0, which is
- the tertiary ester group of cyclic alkyl in the general formula [2] and the ester group in the general formula [8] Is converted into a carboxylic acid by decomposing at least a part of the structural unit [A] represented by the general formula [1] and the structural unit [B] represented by the general formula [3] Structural unit [C] represented by [4]
- Unit [F] 3 ⁇ 4 Includes and contains X 1 of structural unit [A] represented by general formula [1], X 2 of structural unit [B] represented by general formula [3], and general formula [ At least one of X 3 in the structural unit [C] represented by the formula [4] is ⁇ —, and its constituent molar ratio [A] Z ([
- a method for decomposing at least a part of the tertiary ester group of the cyclic alkyl and the amino group in the general formula [2] or at least a part of the ester group in the general formula [8] to a carboxylic acid usually, a method by hydrolysis and a method of The method by acid decomposition can be used.
- Examples of the method by hydrolysis include acid hydrolysis performed in the presence of an acidic catalyst such as sulfuric acid, hydrochloric acid, nitric acid, toluenesulfonic acid, trifluoroacetic acid or acetic acid, sodium hydroxide, Either alkaline hydrolysis performed in the presence of an alkaline catalyst such as potassium hydroxide or barium hydroxide, or neutral hydrolysis using sodium acetate, lithium iodide, or the like instead of acid or alkali metal can be used. .
- an acidic catalyst such as sulfuric acid, hydrochloric acid, nitric acid, toluenesulfonic acid, trifluoroacetic acid or acetic acid
- alkaline catalyst such as potassium hydroxide or barium hydroxide
- neutral hydrolysis using sodium acetate, lithium iodide, or the like instead of acid or alkali metal can be used.
- the amount of water to be used is at least the equimolar amount of the ester group to be converted into carboxylic acid, and preferably at least 5 times the molar amount. More preferably, it is 10 mole times or more, most preferably 20 mole times or more.
- an acid such as sulfuric acid, hydrochloric acid, nitric acid, toluenesulfonic acid, trifluoroacetic acid or acetic acid can be used.
- water may be present in the system, but it is not essential.
- the amount of acid catalyst, alkaline catalyst, neutral hydrolysis catalyst and acid used in the hydrolysis method is usually based on 1 mol of the ester group converted to carboxylic acid. It is 50 mol or less, preferably in the range of 0.0001 to 30 mol, and more preferably in the range of 0.001 to 10 mol.
- an aqueous solvent or an organic solvent may be used.
- the organic solvent to be used is methanol, ethanol, etc., alcohols, acetone, etc. Ketones, Tetrahydrofuran, Jethylethere Ethers such as toluene, dibutyl ether, dimethoxetane, and dioxane; aromatic hydrocarbons such as benzene, toluene, xylene, and ethylbenzene; aliphatic hydrocarbons such as pentane, hexane, heptane, and cyclohexane; and acetic acid.
- the reaction temperature is a temperature of usually 0 to 300 ° C, preferably from Atsushi Muro ⁇ 250 ° C, more preferably temperatures ranging from room temperature ⁇ 200 e C.
- the reaction time is generally 1 minute to 100 hours, preferably 5 minutes to 30 hours, more preferably 10 minutes to 20 hours.
- the embodiment of the hydrolysis reaction and the acid decomposition reaction in the method of the present invention is not particularly limited, and may be in any form as long as the hydrolysis reaction and the acid decomposition reaction can be effectively performed. It may be under an inert gas, under air, or under any of low pressure, normal pressure, pressurized, or batch, semi-batch, or continuous embodiments.
- a neutralization treatment may be appropriately performed with an alkali or an acid.
- the method of recovering the polymer from the ring-opening metathesis polymer hydrogen additive solution or slurry is not particularly limited, and a known method can be used, for example, in the case of a solution.
- the reaction solution is discharged into a poor solvent under stirring to precipitate the polymer hydride to form a slurry, which is recovered by a filtration method, a centrifugation method, a decantation method, or the like. Steam is blown into the reaction solution to form a polymer.
- Examples thereof include a steam stripping method for precipitation, a method for directly removing a solvent from a reaction solution by heating, and the like.
- a steam stripping method for precipitation a method for directly removing a solvent from a reaction solution by heating
- a slurry a method for directly collecting the slurry by a filtration method, a centrifugal separation method, a decantation method, and the like are exemplified.
- the structural unit [A] represented by the general formula [1] is optionally contained, and the structural unit [B] represented by the general formula [3] and the compound represented by the general formula [4]
- the structural unit [C], the structural unit [D] represented by the general formula [5], and if necessary, the structural unit [E] represented by the general formula [7], and further, if necessary, the general formula [5] include structural units [F] of you express 22], and, X 1 of the structural units [a] represented by the general formula [1], At least one of X 2 of the structural unit [B] represented by the general formula [3] and X 3 of the structural unit [C] represented by the general formula [4] is 100%, and its constituent mole
- the ratio [A] / ([B] and [C]) is 0 100 to 991, preferably 2080 to 99/1, and the ratio (Mw ⁇ ) of the weight average molecular weight Mw to the number average molecular weight Mn is A ring-opening metathesis polymer hydrogenated product
- the carboxylic acid functional group of the hydrogenated ring-opening metathesis polymer having a carboxylic acid functional group obtained as described above is converted into an ester, whereby it is represented by the general formula [1].
- Structural unit [A] Structural unit [B] which is included as desired and is represented by general formula [3] and structural unit [C] which is represented by general formula [4] or, if necessary, general formula [5] [D] and, if necessary, a structural unit [E :!] represented by the general formula [7], and further optionally a structure represented by the general formula [22] X 1 of the structural unit [A] containing the unit [F] and represented by the general formula [1], X 2 of the structural unit [B] represented by the general formula [3], and the general formula [ At least one of X 3 in the structural unit [C] represented by the formula [4] is 1 O—, and its constituent molar ratio [A] / ([B] and [C]) is 1 O—, and
- Ri and Ru can be produced a weight average molecular weight Mw and the ratio of the number average molecular weight Mn (Mw / Mn) is 1.0 to 2. Hydrogenated ring-opening metathesis polymer is 0.
- a usual method can be applied as a method of converting the carboxylic acid functional group into an ester.
- esterification by dehydration condensation reaction with alcohols esterification with ortho-alkylating agent, esterification by addition of olefins in the presence of acid, condensation with halide using organic basic compound Esterification by reaction, or alkoxyalkylesterification by addition of alkyl butyl ethers, and the like can be mentioned.
- any alcohols usually used in the esterification can be used.
- the amount of these alcohols to be used is usually 100 mol or less, preferably 1 to 50 mol, more preferably 2 to 30 mol, per 1 mol of the carboxylic acid to be converted into the ester. Range.
- Esterification by dehydration condensation reaction with alcohols is usually performed in the presence of an acid.
- an acid include hydrogen halide such as hydrogen chloride gas, sulfuric acid, phosphoric acid, hydrochloric acid, or odor.
- Mineral acids such as hydrofluoric acid, solid acids such as heteropoly acid or naphion, p-toluenesulfonic acid, trifluoroacetic acid, propionic acid, malonic acid, oxalic acid, chlorosulfonic acidpyrididine salt, trifluoroacetic acid
- Organic acids such as pyridine salts, sulfuric acid / pyridine salts, p-toluenesulfonic acid and pyridine salts, and Lewis acids such as boron fluoride ester.
- the amount of these acids to be used is generally 10 mol or less, preferably 0.0000 to 1 mol, more preferably 1 mol, per 1 mol of the carboxylic acid to be converted to the ester.
- the range is from 0.001 to 0.5 mole.
- a method using an acidic ion-exchange resin for example, a method in which a solvent is refluxed using a Soxhlet extractor containing a drying agent such as anhydrous magnesium sulfate, and a method in which a dehydrating agent such as DCC is used, and A method such as a method using a large excess of alcohol can also be used.
- any alkylating agent usually used for the esterification of carboxylic acid can be used, for example, diazoalkanes such as diazomethane, or triethyl orthoformate, for example. Or trialkyl orthocarboxylates such as trimethyl orthoacetate are preferred.
- the amount of these alkylating agents used depends on the amount of carboxylic acid The amount is usually 50 mol or less, preferably 1 to 30 mol, more preferably 2 to 20 mol, per 1 mol of the acid.
- any of the olefins usually used in the esterification can be used.
- the amount of these olefins to be used is usually 100 mol or less, preferably 1 to 50 mol, more preferably 2 to 30 mol, per mol of the carboxylic acid to be converted into an ester. Range. Esterification by addition of olefins is performed in the presence of an acid.
- an acid include a hydrogen halide such as hydrogen chloride gas, and a mineral acid such as sulfuric acid, phosphoric acid, hydrochloric acid, or hydrobromic acid.
- P-Toluenesulfonic acid trifluoroacetic acid, propionic acid, malonic acid, oxalic acid, chlorosulfonic acid 'pyridine salt, trifluoroacetic acid-pyridine salt, sulfuric acid-pyridine salt or p- Examples thereof include organic acids such as toluenesulfonic acid'pyridine salt, and Lewis acids such as boron fluoride etherate.
- the amount of these acids to be used is generally 10 mol or less, preferably 0.00001 to 2 mol, more preferably 0.1 mol, per 1 mol of the carboxylic acid to be converted into an ester. It is in the range of 0.1 to 0.5 mole.
- alkyl vinyl ethers used in the alkoxyalkyl esterification by addition of alkenyl / rebutyl ethers include methyl vinyl ether, ethyl vinyl ether, n-propyl vinyl ether, isopropyl vinyl ether, and n-petit / le.
- ethyl vinyl / ether n-propyl biether, isopropyl vinyl ether, n-butyl vinyl ether, 2,3-dihydrofuran, and 3,4-dihydro-2H-pyran
- the amount of use of these alkyl butyl ethers is usually 50 mol or less, preferably 1 mol to 30 mol, more preferably 2 mol to 2 mol, per mol of the carboxylic acid to be converted into ester. It is in the range of 0 mol.
- Alkoxyalkyl esterification by addition of alkyl vinyl ethers is usually performed in the presence of an acid.
- an acid examples include hydrogen halide such as hydrogen chloride gas, sulfuric acid, phosphoric acid, and the like.
- Mineral acid such as hydrochloric acid or hydrobromic acid, solid acid such as heteropolyacid or naphion, or p-toluenesulfonic acid, trifluoroacetic acid, propionic acid, malonic acid, oxalic acid, chlorosulfonic acid 'pyridine salt, trifluoroacetic acid Pyridine salts, sulfuric acid.
- Pyridine salts or organic acids such as p-toluenesulfonic acid and pyridine salts.
- hydrogen chloride gas hydrogen chloride gas, hydrochloric acid, trifluoroacetic acid, trifluoroacetic acid 'pyridine salts, p-toluenesulfonic acid 'Pyridine salts or sulfuric acid / pyridine salts are preferably used.
- These acids can be used alone or in combination of two or more, and simultaneously or sequentially.
- the amount of these acid catalysts to be used is generally 10 mol or less, preferably 0.00001 to 2 mol, more preferably 0.1 mol, per 1 mol of the carboxylic acid to be converted into an ester. The range is from 0.1 to 0.5 mole.
- a solvent is usually used. These solvents are not uniform depending on the method to be used and the kind of the target ester.Either an aqueous solvent or an organic solvent may be used.
- Ketones such as acetone, ethers such as tetrahydrofuran, dimethyl ether, dibutyl ether, dimethoxetane, and dioxane; aromatic hydrocarbons such as benzene, toluene, xylene, and ethyl benzene; pentane; hexane , Heptane, cyclohexane, aliphatic hydrocarbons such as decalin, methylene chloride, dichloroethane, tetrac Norogenated hydrocarbons such as roloethane, chloropho / rem, chlorobenzene, and orthodichlorobenzene; carboxylic acids such as acetic acid; nitro compounds such as nitromethane; pyridines such as pyridine and lutidine; and formamides such as dimethylformamide.
- aromatic hydrocarbons such as benzene, toluene, xylene, and
- the reaction temperature is usually from 0 to 200 ° C, preferably from 10 to 150 ° C, more preferably from room temperature to 200 ° C.
- the reaction time is usually 1 minute to 100 hours, preferably 5 minutes to 30 hours, more preferably 10 minutes to 20 hours.
- the embodiment of the method of converting a carboxylic acid functional group into an ester in the method of the present invention is not particularly limited, and may take any form as long as the method can convert the carboxylic acid functional group into an ester effectively.
- the embodiment may be performed under an inert gas such as nitrogen, under air, or in any of reduced pressure, normal pressure, pressurized, or batch, semi-batch, or continuous embodiments.
- a neutralization treatment may be appropriately performed with an alkali or an acid.
- the method for recovering the polymer from the ring-opening metathesis polymer hydrogenated solution or slurry is not particularly limited, and a known method can be used.c
- a solution The reaction solution is discharged into a poor solvent under stirring to precipitate the polymer hydride to form a slurry, which is recovered by filtration, centrifugation, decantation, or the like.Steam is blown into the reaction solution to polymerize the polymer.
- Examples include a steam stripping method for precipitation, a method for directly removing the solvent from the reaction solution by heating, and the like.
- a method for recovering the slurry as it is by a filtration method, a centrifugation method, a decantation method, or the like.
- the structural unit [A] represented by the general formula [1] is optionally contained, and the structural unit [B] and Z represented by the general formula [3] is represented by the general formula [4].
- the constituent molar ratio [A] / ([B] and [C]) is from 0.100 to 991, preferably from 2080 to 99/1, and the weight average molecular weight Mw and the number average molecular weight Mn A hydrogenated product of the ring-opening metathesis polymer having a ratio (MwZMn) of 1.0 to 2.0 is obtained.
- the hydrogenated ring-opening metathesis polymer in the present invention is useful as a base polymer for photoresist.
- it is used as a positive resist composition together with an acid generator and a solvent.
- the acid generator is a substance that generates Brenstead acid or Lewis acid when exposed to activating radiation such as excimer laser.
- a dissolution rate regulator, a surfactant, a storage stabilizer, a sensitizer, a striation inhibitor, or the like can be added to the resist composition.
- This resist composition can form a resist film by, for example, applying the composition to a substrate surface such as a silicon wafer by a conventional method such as spin coating, and then removing the solvent by drying.
- Exposure for pattern formation is performed by irradiating the resist film with far ultraviolet light, a KrF excimer laser, an ArF excimer laser, and an electron beam. ) Can further increase the sensitivity: Then, a relief pattern is obtained by washing out the exposed portion with a developing solution such as an aqueous solution of an aqueous solution, using the hydrogenated ring-opening metathesis polymer of the present invention.
- the formed relief pattern has extremely good resolution and contrast.
- the substrate can be etched using the pattern formed as described above as a mask.
- the molar ratio [A] / ([B] and [C]) of the structural units of is between 20/80 and 99/1.
- the structural unit [A] contains a tertiary ester group of a cyclic alkyl, which is a group decomposed by an acid generated from a photosensitizer upon exposure, and after exposure, is developed with an aqueous solution of an alkaline solution to form a resist pattern.
- the structural units [B] and [C] are needed to develop adhesion to a substrate to be processed, such as a silicon substrate. If the molar ratio [A] / ([B] and [C]) is less than 20Z80, the development will be insufficient, and if it exceeds 99Z1, adhesion to the substrate to be processed will not be exhibited.
- the structural unit [D] represented by the general formula [6] contains a carboxylic acid group, The adhesiveness with a substrate to be processed such as a substrate can be improved, and the solubility in a solvent can be improved.
- the molar ratio of the structural units [A], [B] and [C] to the structural unit [D] ([A] + [B] + [C]) / [D] is 100/0-20 It is preferred that the ratio be in the range of / 80, in order to improve the wetting tension at the time of development with an aqueous alkali solution after exposure and to solve uneven development.
- the fact that these structural units are within this range is suitable for preparing a resist composition, and is dissolved in a polar solvent such as, for example, 2'-butanone, together with a highly polar photosensitizer, and is used as a silicon substrate. It is extremely important as a resist material applied to the substrate to be processed.
- the hydrogenated ring-opening metathesis polymer can form a uniform smooth coating film by increasing the solubility or dissolution rate in a polar solvent when preparing a resist composition.
- an ester group having a different reactivity from the ester group included in the structural unit [A] may be included. This is useful because the decomposability at the time of exposure can be freely controlled.
- the preferred molar ratio of the structural unit ([A] + [B] + [C]) [E] is in the range of 100 to 4060.
- the structure represented by the general formula [4] The hydrogenated ring-opening metathesis polymer in which at least one of X 3 in the unit [C] is 1 O— and the other is 1 CH 2 — has an adhesive property to a substrate to be processed such as a silicon substrate, This has the effect of improving the wetting tension during development with an aqueous alkaline solution and further improving the solubility in polar organic solvents such as ketones and alcohols used in the process of applying a resist agent to a silicon wafer.
- polar organic solvents such as ketones and alcohols used in the process of applying a resist agent to a silicon wafer.
- the physical properties of the polymers obtained in the examples were measured by the following methods. Average molecular weight: Using a GPC, the obtained cyclic olefin-based ring-opening metasense polymer and the hydrogenated polymer were dissolved in tetrahydrofuran, and the detectors were JASCO 8300-RI and 875-UV Using Shodexk-805, 804, 803, 802.5 as a column, the molecular weight was calibrated with a polystyrene standard at room temperature with a flow rate of 1.0 ml Zmin.
- Ratio of carboxylic acid contained in polymer measured by neutralization titration using bromothymol blue as an indicator.
- UV absorption vector applied to a quartz glass plate with a spin coater at a rotation speed of 300 rpm at a thickness of 1.0 m, and measured at Shimadzu UV-3100.
- Adhesion to silicon wafer substrate similarly apply to the substrate with a spin coater, coat the film, bake at 120 ° C for 10 minutes, and scratch on the grid according to the test method of JISD202.
- X 50. /. The above separation is performed.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 9.46 g of a ring-opening metathesis polymer powder.
- This hydrogenated ring-opening metathesis polymer solution was added to methanol to precipitate a hydrogenated ring-opening metathesis polymer, separated by filtration and dried in vacuo to hydrogenate the white powdered ring-opening metathesis polymer. 8.0 g of the product were obtained.
- the hydrogenation rate calculated from 1 H-NMR of the obtained hydrogenated ring-opening metathesis polymer did not show a peak attributed to the protein of the main chain olefin, and the hydrogenation rate was 100%.
- the number-average molecular weight Mn in terms of polystyrene standard measured in Step 3 was 37,600 and Mw / Mn was 1.10.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 60 No. 40.
- FIG. 1 shows the 1 H—NMR spectrum (270 MHz, solvent: deuterated chloroform) of the hydrogenated ring-opening metathesis polymer obtained in Example 1.
- Example 1 the cyclic olefin monomer was replaced with 6,9-methylene-1-oxoxaspiro [4,5] 7-decene-1-one (1.31 g, 8 mmol), 3,6-epoxy-1 1,2,3,6-tetrahydrophthalide (1.83 g, 12 mmo 1) and 8— (ethylcyclopentoxy) carbonyltetracyclo [4. 4. 0. 1, 2, 5. 17, Ring opening metathesis polymerization was carried out in the same manner as in Example 1 except that 10] -3-dodecene (6.01 g, 20 mmo 1) was used, to obtain 9.10 g of a ring opening metathesis polymer.
- this ring-opening metathesis polymer powder was dissolved in THF (100 ml) in a 200 ml autoclave, and the hydridica / leponyltris (triphenylphosphine) ruthenium prepared in advance as a hydrogenation catalyst was prepared. (27 mg, 0.022 mm o 1) and triethylamine (11.3 mg, 0.108 mm o 1) in THF (20 m 1) were added, and hydrogen pressure 8. lMPa, 165 ° C for 5 hours After the hydrogenation reaction, the temperature was returned to room temperature and hydrogen gas was released. This ring-opening metathesis polymer hydrogenated solution is added to methanol to effect ring-opening metathesis polymerization.
- the hydrogenated product is precipitated, separated by filtration, and dried under vacuum to obtain a white powdered ring-opening metathesis polymer hydrogen. 8.1 g of additive were obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer calculated from 1 H-NMR did not show any peak attributed to the proton of the olefin of the main chain, and the hydrogenation rate was 100.
- / o and the number average molecular weight Mn of the polystyrene standard measured by GPC was 75,200 and MwZMn was 1.15.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 60/40.
- Example of a ring-opening metathesis polymerization Sawacho Ru in 2 (P (C ri Hn) 3) 2 (CH P h) C 1 2 (470mg, 0. 57mmo 1) was used in place in the same manner as in Example 2 The polymer was subjected to ring-opening metathesis polymerization to obtain 9.0 g of a ring-opening metathesis polymer.
- ring-opening metathesis polymer powder was subjected to a hydrogenation reaction for 5 hours at a hydrogen pressure of 8.1 MPa and 165 ° C in the same manner as in Example 2 to obtain a white powdery ring-opening metathesis polymer. 8.6 g of a hydrogenated polymer was obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer was calculated from 1 H-NMR, and no peak attributed to the proton of olefin in the main chain was observed. The hydrogenation rate was 100%.
- the number average molecular weight Mn of the polystyrene standard measured by GPC was 33,100, and Mw / Mn was 1.37.
- the composition ratio of the structural units [A] / [B] / [C] of the obtained polymer was 50/3020.
- 1,5-hexadiene (1.5 ml, 12.3 mmo 1) as a chain transfer agent and Mo (N-2,6—iPr 2 C 6 H 3 ) as a ring-opening metathesis polymer butterfly (CH CMe 3 ) (OC (CF 3 ) 2 Me) and (786 mg, 1.12 mmo 1) were added, and the mixture was reacted at room temperature with stirring for 2 hours. Thereafter, butyl aldehyde (404 mg, 5.6 Ommo 1) was added, and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 42.5 g of a ring-opening metathesis polymer powder.
- the hydrogenated product of the thesis polymer was precipitated, separated by filtration, and vacuum-dried to obtain 38.5 g of a hydrogenated hydrogenated ring-opening metathesis polymer in the form of a white powder.
- the hydrogenation rate calculated from 1 H-NMR of the obtained hydrogenated ring-opening metathesis polymer showed no peak attributable to the proton of the olefin in the main chain, and the hydrogenation rate was 100%.
- the number average molecular weight Mn of polystyrene standard measured by GPC was 8260, and MwZMn was 1.32.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was It was 50/50.
- 1,6-heptadiene (3.17 ml, 23.41 mmo 1) as a chain transfer agent and W (N-2,6-iPr 2 C 6 H 3 ) as a ring-opening metathesis polymer butterfly ) (CHCMe 3 ) (OC (CF 3 ) 2 Me) 2 (740 mg, 0.935 mmo 1) was added and reacted at room temperature for 3 hours. Then, butyl aldehyde (360 mg, 5.0 Ommo 1) was added, and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 48.9 g of a ring-opening metathesis polymer powder.
- this ring-opening metathesis polymer powder 5% palladium on carbon (5.0 g, 2.35 mmo 1 as palladium) as a hydrogenation catalyst, and THF (300 m 2 as a solvent) l) was added, and a hydrogenation reaction was performed at 120 MPa at a hydrogen pressure of 8.0 MPa for 24 hours, and then the temperature was returned to room temperature to release hydrogen gas.
- this ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opened metathesis polymer hydrogenated product, and then separated by filtration and vacuum-dried.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 46.3 g of a ring-opening metathesis polymer powder.
- this ring-opening metathesis polymer powder was placed in a 1000 ml autoclave, and dihydridotetrakis (triphenylphosphine) ruthenium (12. Omg, 0.013 mmo1), triethyla as a hydrogenation catalyst.
- Min (4.05 mg, 0.04 mmol) and toluene (600 ml) as a solvent were added, and a hydrogenation reaction was carried out at a hydrogen pressure of 8.0 MPa and 100 ° C for 24 hours. Then, the temperature was returned to room temperature. Hydrogen gas was released.
- the ring-opening metathesis polymer hydrogenated product is added to methanol to precipitate the ring-opened metathesis polymer hydrogenated product, separated by filtration, and dried in vacuo to obtain a white powdered ring-opened metathesis polymer hydrogenated product. 38.8 g was obtained.
- the hydrogenation rate of the obtained hydrogenated ring-opening metathesis polymer, calculated from —NMR, was 100%, the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 2880, and Mw / Mn was 1.42. Further, the structure of the obtained polymer is The composition ratio of the unit [A] / [B] was 4060.
- Example 5 20.0 g of the hydrogenated ring-opening metathesis polymer obtained in Example 5 was added to a solution of 5.0 ml of trifluoroacetic acid in 1,000 ml of toluene in a 20000 ml eggplant-shaped flask, and stirred at 70 ° C for 3 hours.
- 3,6-Epoxy-1,2,3,6-tetrahydrophthalide (9.89 g, 65.0 mmo 1) as a cyclic olefin monomer in a 500 ml autoclave equipped with a magnetic stirrer under nitrogen , 8— (1'-Ethylcyclopentoxy) force / reponinole Tetracyclo [4. 4.0.12, 5.17, 10] — 3-Dodecene (11.72 g, 39. Ommo 1) and 8-tert-butoxycarbonyltetracyclite [4.4 0.12, 5.17, 10] — 3-Dodecene (6.77 g, 26.0 mmo 1) was dissolved in 30 Om 1 of tetrahydrofuran.
- 1,5-hexadiene (0.75 m to 6.5 mmo 1) as a chain transfer agent and Mo (N-2,6-iPr 2 C 6 H 3 ) as a ring-opening metathesis polymerized butterfly ) (CHCMe 2 Ph) (OC (CF 3 ) 2 Me) 2 (536 mg, 0.70 mmo 1) was added and reacted at room temperature for 2 hours. Then, butyl aldehyde (250 mg, 3.47 mmo 1) was added and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 26.6 g of a ring-opening metathesis polymer powder.
- This ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opening metathesis polymer hydrogenated product, which is separated by filtration and vacuum-dried to obtain a white powdered ring-opened metathesis polymer hydrogenated product. 18.8 g were obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer calculated from —NMR is 100%, the number average molecular weight Mn in terms of polystyrene standard measured by GPC is 9110, and Mw / Mn is 1. 43
- the composition ratio of the structural units [A] / [B] / [E] of the obtained polymer was 3050/20.
- 1,5-hexagen (0.70 ml, 6.0 mmo 1) as a chain transfer agent and W (N—2,6-Me 2 C 6 H 3 ) ( CHCHCMe 2 ) (OC (CF 3 ) 2 Me) 2 (440 mg, 0.6 Ommo 1) was added and reacted at room temperature for 5 hours. Then, butyl aldehyde (216 mg, 3. Ommo 1) was added, and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 24.7 g of a ring-opening metathesis polymer powder.
- This hydrogenated ring-opening metathesis polymer solution was added to methanol to precipitate hydrogenated carbohydrate of the ring-opening metathesis polymer, separated by filtration and vacuum-dried to obtain a white powdered ring-opening metathesis weight. 17.9 g of the combined hydrogenated product was obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer was 100%, as calculated from 1 H-NMR, and the number average molecular weight Mn was 8810, and MwZMn was 1.10, as measured by GPC based on a polystyrene standard. 24.
- the composition ratio of the structural units [A] / [B] / [E] of the obtained polymer was 40/50/10.
- Ommo 1 was dissolved in 320 ml of THF. This as a chain transfer agent 1, to 5-Kisajen (0. 70m to 6. 0 mm o 1) and ring-opening Metase cis polymerization Sawacho as W (N- 2, 6 -Me 2 C 6 H 3) (CHCHCMe 2 ) (OB ⁇ () 2 (PMe 3 ) (356 mg, 0.6 Ommo 1) was added and reacted at room temperature for 5 hours, and then butyl aldehyde (216 mg, 3. Ommo 1) was added. The mixture was stirred for additional 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 24.3 g of a ring-opening metathesis polymer powder.
- 8.0 g of the compound was added to a 200 ml solution of 8 mg of p-toluenesulfonic acid / pyridine salt in 200 ml of toluene, and a solution of 5,6-dihydroxypyran (10 g) in 70 ml of toluene was added while stirring at 25 ° C.
- the mixture was added dropwise over about 1 hour, and after completion of the addition, the mixture was further stirred at 25 ° C for 2 hours.
- 1-hexene (0.42 ml, 3.5 mmo 1) as a chain transfer agent and W (N_2, 6-iPr 2 C 6 H 3 ) (CHCMe 3 ) as a ring-opening metathesis polymer butterfly (OB u *) 2 (288 mg, 0.5 Ommo 1) was added and reacted at room temperature for 5 hours. Then, butyl aldehyde (18 Omg, 2.5 mmol) was added, and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 23.3 g of a ring-opening metathesis polymer powder.
- This ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opening metathesis polymer hydrogenated product, separated by filtration and vacuum-dried to obtain a white powdered ring-opened metathesis polymer hydrogenated product.
- the hydrogenation rate of the obtained ring-opening metathesis polymer hydrogenated product calculated from 1 H-NMR was 100%, the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 12600, and Mw / Mn was 1.
- a was the 39: Further, the structural unit of the resulting polymer [a] / [a] ' / [B] the composition ratio of 40/30 / / 30 Deatta.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 20.8 g of a ring-opening metathesis polymer powder.
- the ring-opening metathesis polymer powder (15.Og) was then dissolved in THF (300 ml) in a 50 Om1 autoclave, and chlorohydridocarbonyltris (triphenylphosphine) prepared in advance as a hydrogenation catalyst was used.
- chlorohydridocarbonyltris triphenylphosphine
- the hydrogenated ring-opening metathesis polymer solution is added to methanol to precipitate a hydrogenated ring-opening metathesis polymer, which is separated by filtration and vacuum-dried to obtain a white powdered ring-opening metathesis polymer. 12.3 g of the combined hydrogenated product was obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer calculated from 1 H-NMR was 100 ° / 0
- the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 8450.
- Mw and Mn were 1.29.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 50/50.
- 3,6-epoxy-1,2,3,6-tetrahydrophthalide (11.41 g, 75.0 mm o) was used as a cyclic olefin monomer. 1), 8— (1'-ethylethyl pentoxy) carbo-tetracyclo [4.4.0.12, 5.17,10] —3-dodecene (7.51 g, 25.0 mm o 1) And 8— (2'-ethyl-2'-norbornyloxy) carbonyltetracyclo [4.4.0.1,2,5.17,10] —3-dodecene (8.16 g, 25.
- the ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 25.lg of the ring-opening metathesis polymer powder.
- the open metathesis polymer powder (10.Og) was dissolved in THF (350 ml), and dichlorotris (trimethylphosphite) ruthenium (44) previously prepared as a hydrogenation catalyst was dissolved. 8 mg, 0.10 mmo 1) and triethylamine (15.2 mg, 0.15 mmo 1) in THF (20 Om 1) were added, and the hydrogen pressure was 10.0 MPa, 70 ° C. After a hydrogenation reaction for 20 hours, the temperature was returned to room temperature and hydrogen gas was released.
- the hydrogenated ring-opening metathesis polymer solution is added to methanol to precipitate the hydrogenated ring-opening metathesis polymer, separated by filtration and vacuum-dried to add white powdered ring-opening metathesis polymer hydrogen. 8.8 g of the product was obtained.
- the hydrogenation rate of the obtained ring-opening metathesis polymer hydrogenated product calculated from 1 H-N MR was 100%, and the number average molecular weight Mn, measured by GPC, in terms of polystyrene standard was 8330, and Mw / Mn was 1.
- the composition ratio of the structural units [A] / [A] ′ / [B] of the obtained polymer was 20 20/60.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 9.13 g of a ring-opening metathesis polymer powder.
- the hydrogenated ring-opening metathesis polymer solution is added to methanol to precipitate the hydrogenated ring-opening metathesis polymer, separated by filtration and vacuum-dried to add white powdered ring-opening metathesis polymer hydrogen. 7.4 g were obtained.
- the hydrogenation rate of the obtained ring-opening metathesis polymer hydrogenated product calculated from 1 H—N MR was 100%, and the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 28,600, M w / M n was 1.07.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 6040.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried in vacuo to give 9.98 g of the ring-opening metathesis polymer. A polymer powder was obtained.
- This ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opening metathesis polymer hydrogenated product, which is separated by filtration and vacuum-dried to obtain a white powdered ring-opening metathesis polymer hydrogenated product.
- 8.0 g was obtained.
- the hydrogenation rate of the obtained ring-opening metathesis polymer hydrogenated product calculated from 1 H-NMR was 100%, the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 34,100, and MwZMn was 1. It was 09.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 4060.
- This ring-opening metathesis polymer solution was added to methanol to precipitate a ring-opening metathesis polymer, which was filtered, washed with methanol, and dried under vacuum to obtain 6.66 g of a ring-opening metathesis polymer powder.
- the hydrogenated ring-opening metathesis polymer solution is added to methanol to precipitate the hydrogenated ring-opening metathesis polymer, which is separated by filtration and vacuum-dried to add hydrogen-opened metathesis polymer in white powder. 5.4 g of the product were obtained.
- the hydrogenation rate of the obtained ring-opening metathesis polymer hydrogenated product calculated from 1 H—N MR was 100%, the number average molecular weight Mn as measured by GPC in terms of polystyrene standard was 26,900, and MwZMn was 1%. It was 06.
- the composition ratio of the structural units [A] / [B] of the obtained polymer was 30Z70.
- Ommo 1 Oyo Mo as BiHirakuwa metathesis polymerization Sawacho (N- 2, 6- i P r 2 C 6 H 3) (CHCM e 3 ) (OC (CF 3 ) 2 Me) 2 (950 mg, 1.2 Ommo 1) was added, and the mixture was reacted at room temperature for 2 hours with stirring. Then, butyl aldehyde (433 mg, 6.0 mmo 1) was added, and the mixture was stirred for 30 minutes to stop the reaction.- The ring-opening metathesis polymer solution was added to methanol to precipitate the ring-opening metathesis polymer. After filtration, washing with methanol, and vacuum drying, 44.4 g of a ring-opened metathesis polymer powder was obtained.
- This ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opening metathesis polymer hydrogenated product, which is separated by filtration and vacuum-dried to obtain a white powdered ring-opened metathesis polymer hydrogenated product. 37.9 g was obtained.
- the hydrogenation rate calculated from 1 H-NMR of the obtained hydrogenated ring-opening metathesis polymer was 100%, and the number average molecular weight Mn as measured by GPC in terms of polystyrene standard was 80 90, and MwZMn was 1%.
- the composition ratio of the structural units [B] / [E] in the obtained polymer was 5 OZ50.
- 1,5-hexadiene (1.6 ml, 14.0 mmo 1) as a chain transfer agent and Mo (N-2,6-iPrC 6 H 3 ) as a ring-opening metathesis polymer butterfly (CHCMe 3 ) (OC (CF 3 ) 2 Me) 2 (950 mg, 1.2 Ommo 1) was added, and the mixture was reacted at room temperature for 2 hours with stirring. Then, butyl aldehyde (433 mg, 6. Ommo 1) was added and the mixture was stirred for 30 minutes to stop the reaction.
- This ring-opening metathesis polymer solution is added to methanol to precipitate a ring-opening metathesis polymer, which is filtered, washed with methanol, and dried in vacuo to obtain 47.7 g of the ring-opening metathesis polymer. A polymer powder was obtained.
- This ring-opening metathesis polymer hydrogenated solution is added to methanol to precipitate the ring-opening metathesis polymer hydrogenated product, which is separated by filtration and vacuum-dried to obtain a white powdered ring-opened metathesis polymer hydrogenated product. 36.4 g was obtained.
- the hydrogenation rate of the obtained hydrogenated product of the ring-opening metathesis polymer was 100%, as calculated from 1 H-NMR.
- the number average molecular weight Mn in terms of polystyrene standard measured by GPC was 7940, and Mw / Mn 1. 3 also 1 a which was 3, the composition ratio of the structural units of the resulting polymer [B] Roh [beta '] was 50/50.
- the resolution was evaluated by KrF excimer laser single exposure.
- TMEMEA Trisme Toxixoxime Toxixylamine
- the resolution was evaluated by one exposure to ArF excimer laser.
- the resist solution is spin-coated on a silicon wafer coated with an anti-reflection film (ARC 25, manufactured by Nissan Chemical Industries, 77 nm), and heat-treated at 130 ° C for 90 seconds to form a resist film with a thickness of 375 nm.
- a material obtained by cleaving the the developed wafer was observed by SEM (Scanning Electron Microscope), a line-and-space of 0.
- TMM EA tris-methoxime toxicoselamine
- the hydrogenated ring-opening metathesis polymer of the present invention and the method for producing the same are suitable for a photoresist for semiconductor microfabrication using ultraviolet light or far ultraviolet light having excellent heat resistance, heat decomposition resistance, light transmittance and the like. It is an extremely valuable polymer and is extremely valuable industrially.
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
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Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01919897A EP1275676B1 (en) | 2000-04-13 | 2001-04-12 | Hydrogenated ring-opening metathesis copolymer and process for producing the same |
| DE60133890T DE60133890D1 (de) | 2000-04-13 | 2001-04-12 | Hydrogeniertes, durch ringöffnung erhlatenes metathesepolymer und verfahren zur herstellung |
| US10/009,565 US6800720B2 (en) | 2000-04-13 | 2001-04-12 | Hydrogenated ring-opening metathesis copolymer and process for producing the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000111646 | 2000-04-13 | ||
| JP2000-111646 | 2000-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001079324A1 true WO2001079324A1 (fr) | 2001-10-25 |
Family
ID=18623944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2001/003139 Ceased WO2001079324A1 (fr) | 2000-04-13 | 2001-04-12 | Copolymere de metathese a ouverture de cycle hydrogene et procede de production de ce dernier |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6800720B2 (ja) |
| EP (1) | EP1275676B1 (ja) |
| KR (1) | KR100436518B1 (ja) |
| CN (1) | CN1249119C (ja) |
| DE (1) | DE60133890D1 (ja) |
| TW (1) | TWI275603B (ja) |
| WO (1) | WO2001079324A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003064073A (ja) * | 2001-08-27 | 2003-03-05 | Nissan Chem Ind Ltd | 脂環式含酸素化合物及びその製造法 |
| WO2003033454A1 (en) * | 2001-10-10 | 2003-04-24 | Jsr Corporation | Norbornene derivative and norbornene polymer obtained therefrom through ring-opening polymerization |
| EP1538173A1 (en) * | 2003-12-01 | 2005-06-08 | Mitsui Chemicals, Inc. | Hydrogenated ring-opening metathesis polymer and process for producing the same |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW548516B (en) * | 2000-04-13 | 2003-08-21 | Shinetsu Chemical Co | Resist composition and patterning process |
| ITMI20012267A1 (it) * | 2001-10-29 | 2003-04-29 | Chemi Spa | Preparazione ed uso di un catalizzatore eterogeneo per l'idrogenerazione di un doppio legame di un composto carbonilico b-insaturo |
| KR100581179B1 (ko) * | 2003-12-12 | 2006-05-17 | 금호석유화학 주식회사 | 청색 발광 재료용 노보렌계 단량체 및 고분자 |
| TWI375121B (en) * | 2004-06-28 | 2012-10-21 | Fujifilm Corp | Photosensitive composition and method for forming pattern using the same |
| TWI427096B (zh) * | 2006-01-30 | 2014-02-21 | Zeon Corp | A laminated body, an active matrix substrate, and a planar display device having the substrate |
| JP4225427B2 (ja) * | 2006-09-28 | 2009-02-18 | 三井化学株式会社 | 開環メタセシス重合体水素添加物、それを含有するレジスト材料及びパターン形成方法 |
| JP5309526B2 (ja) * | 2007-10-19 | 2013-10-09 | 信越化学工業株式会社 | 開環メタセシス重合体水素添加物、それを含有するレジスト材料及びパターン形成方法 |
| JP5515232B2 (ja) * | 2008-03-26 | 2014-06-11 | 信越化学工業株式会社 | 高分子化合物及びその製造方法、並びにレジスト材料及びパターン形成方法 |
| WO2015077912A1 (en) * | 2013-11-26 | 2015-06-04 | Dow Corning (China) Holding Co., Ltd. | Novel silicone emulsion, water-based anchorage additive thereof and silicone release coating composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11171982A (ja) * | 1997-12-12 | 1999-06-29 | Mitsui Chem Inc | 酸解離性基を有する狭分散性重合体及びその製造方法 |
| JPH11327144A (ja) * | 1998-05-14 | 1999-11-26 | Fuji Photo Film Co Ltd | ポジ型感光性組成物 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058200A (ja) * | 1973-09-25 | 1975-05-20 | ||
| JP3678560B2 (ja) * | 1997-10-28 | 2005-08-03 | 三井化学株式会社 | 酸分解性重合体及びその製造方法 |
| TW444027B (en) * | 1998-06-30 | 2001-07-01 | Ind Tech Res Inst | Ring-opened polymer prepared from pericyclic olefin and photosensitive composition containing the polymer |
-
2001
- 2001-04-12 KR KR10-2001-7016026A patent/KR100436518B1/ko not_active Expired - Lifetime
- 2001-04-12 TW TW090108756A patent/TWI275603B/zh not_active IP Right Cessation
- 2001-04-12 US US10/009,565 patent/US6800720B2/en not_active Expired - Lifetime
- 2001-04-12 CN CNB018014887A patent/CN1249119C/zh not_active Expired - Lifetime
- 2001-04-12 WO PCT/JP2001/003139 patent/WO2001079324A1/ja not_active Ceased
- 2001-04-12 EP EP01919897A patent/EP1275676B1/en not_active Expired - Lifetime
- 2001-04-12 DE DE60133890T patent/DE60133890D1/de not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11171982A (ja) * | 1997-12-12 | 1999-06-29 | Mitsui Chem Inc | 酸解離性基を有する狭分散性重合体及びその製造方法 |
| JPH11327144A (ja) * | 1998-05-14 | 1999-11-26 | Fuji Photo Film Co Ltd | ポジ型感光性組成物 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1275676A4 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003064073A (ja) * | 2001-08-27 | 2003-03-05 | Nissan Chem Ind Ltd | 脂環式含酸素化合物及びその製造法 |
| WO2003033454A1 (en) * | 2001-10-10 | 2003-04-24 | Jsr Corporation | Norbornene derivative and norbornene polymer obtained therefrom through ring-opening polymerization |
| US6846890B2 (en) | 2001-10-10 | 2005-01-25 | Jsr Corporation | Norbornene derivative and norbornene polymer obtained therefrom through ring opening polymerization |
| CN1321971C (zh) * | 2001-10-10 | 2007-06-20 | Jsr株式会社 | 降冰片烯衍生物及其降冰片烯系开环聚合物 |
| EP1538173A1 (en) * | 2003-12-01 | 2005-06-08 | Mitsui Chemicals, Inc. | Hydrogenated ring-opening metathesis polymer and process for producing the same |
| US7081501B2 (en) | 2003-12-01 | 2006-07-25 | Mitsui Chemicals, Inc. | Hydrogenated ring-opening metathesis polymer and process for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1275676A4 (en) | 2004-10-20 |
| DE60133890D1 (de) | 2008-06-19 |
| KR100436518B1 (ko) | 2004-06-22 |
| EP1275676A1 (en) | 2003-01-15 |
| KR20020087000A (ko) | 2002-11-21 |
| CN1380888A (zh) | 2002-11-20 |
| CN1249119C (zh) | 2006-04-05 |
| EP1275676B1 (en) | 2008-05-07 |
| TWI275603B (en) | 2007-03-11 |
| US6800720B2 (en) | 2004-10-05 |
| US20020165328A1 (en) | 2002-11-07 |
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