WO2022065382A1 - 修飾天然物およびその用途 - Google Patents
修飾天然物およびその用途 Download PDFInfo
- Publication number
- WO2022065382A1 WO2022065382A1 PCT/JP2021/034861 JP2021034861W WO2022065382A1 WO 2022065382 A1 WO2022065382 A1 WO 2022065382A1 JP 2021034861 W JP2021034861 W JP 2021034861W WO 2022065382 A1 WO2022065382 A1 WO 2022065382A1
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- WIPO (PCT)
- Prior art keywords
- group
- resistant agent
- acid
- oil
- oil resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
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- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
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- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- 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
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/52—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type obtained by dehydration of polyhydric alcohols
- C08G2650/54—Polyglycerols
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Definitions
- the present disclosure relates to a modified natural product obtained by modifying a natural product, and its use, particularly an oil resistant agent.
- Paper containers are expected as an alternative to disposable plastic containers. Paper food packaging materials and food containers are required to prevent the moisture and oil content of the food from seeping out, and the oil resistant agent is applied to the paper by internal or external addition. In addition, there is an increasing need for biodegradable materials and bio-based materials from the viewpoint of environmental consideration.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2019-99953 discloses that oil resistance is exhibited by a combination of oxidized starch or hydrophobic starch and an epichlorohydrin-modified fatty acid-based sizing agent. However, it is necessary to adjust the pH of the mixture to prevent the odor of acetic acid. Furthermore, the compatibility between the modified starch and the fatty acid sizing agent is important, and it is difficult to adjust the composition.
- Patent Document 2 Japanese Unexamined Patent Publication No. 2020-066805 discloses an oil resistant agent using a modified starch, clay, a styrene-butadiene copolymer, and an antifoaming agent.
- Patent Document 3 Japanese Unexamined Patent Publication No. 2019-70202 discloses an oil-resistant paper in which a fluoropolymer having no perfluoroalkyl group having 7 or more carbon atoms and a water-soluble or water-dispersible cellulose derivative are combined.
- Patent Document 4 International Publication No. 2015/162787 discloses that cellulose having a long-chain alkyl group (12 to 18 carbon atoms) is used for an optical film application by acetylating cellulose acetate. Water resistance is stated, but oil resistance is not disclosed.
- Patent Document 5 Japanese Unexamined Patent Publication No. 2002-022578 discloses that a food container is imparted with oil resistance, water resistance, heat resistance, etc. by a cellulose acetate coating. However, in the examples, water resistance and heat resistance have been evaluated, and oil resistance has not been evaluated.
- Japanese Unexamined Patent Publication No. 2019-99953 Japanese Unexamined Patent Publication No. 2020-066805
- the purpose of the present disclosure is to provide an oil resistant agent capable of imparting sufficient oil resistance by using a natural product which is a biomass material while being in harmony with the environment.
- the present disclosure relates to a modified natural product (modified natural compound) in which the natural product (natural compound) is modified to have an organic modifying group.
- organic modifying groups are aliphatic hydrocarbon groups having 1 to 40 carbon atoms, substituted aliphatic hydrocarbon groups having 1 to 40 carbon atoms, or polysiloxanes.
- the modified natural product can be used as an oil resistant agent.
- Aspect 1 An oil resistant agent containing a modified natural product in which the hydrogen atom of the hydroxy group of the natural product having at least one hydroxy group is substituted with an R group.
- Aspect 2 The oil resistant agent according to aspect 1, wherein the natural product is a natural product other than starch.
- Aspect 3 The oil resistant agent according to Aspect 1 or 2, wherein the natural product is a compound as it is or a compound derived from the natural product.
- Aspect 4 The oil-resistant agent according to any one of aspects 1 to 3, wherein the natural product is a monosaccharide or a polysaccharide, glycerin, or polyglycerin.
- Aspect 5 The natural product is at least one selected from high molecular weight natural products and low molecular weight natural products.
- High molecular weight natural products include cellulose, curdlan, pullulan, alginic acid, carrageenan, guar gum, chitin, chitosan, locust bean gum, kappa carrageenan, iota carrageenan, polyglycerin, isomalt dextrin, zansan gum, jera gum, tamarind seed gum and cycloamylose.
- At least one selected from Low molecular weight natural products include glucose, sucrose, mannitol, sorbitol, sorbitan, martitol, stepioxide, cyclodextrin, glycerin, menthol, xylitol, glucosamine, catechin, anthocyanin and quercetin, gluconic acid, malic acid, xylose, inositol, phytic acid.
- Aspect 6 The oil-resistant agent according to any one of aspects 1 to 5, wherein the substitution rate of the hydrogen atom of the hydroxy group by R is 3 to 100%.
- Aspect 7 is an aliphatic hydrocarbon group or polysiloxane having 1 to 40 carbon atoms which may have a substituent, and the substituent is a hydroxyl group, an ester group, an R'3 Si group, (R'O). 3
- Aspect 8 The oil-resistant agent according to any one of aspects 1 to 7, wherein the contact angle of the oil-resistant agent n-hexadecane is 11 degrees or more.
- Aspect 9 The oil resistant agent according to any one of aspects 1 to 8, wherein the modified natural product has a melting point of 40 degrees or higher or does not exist.
- Aspect 10 The oil-resistant agent according to any one of aspects 1 to 9, which indicates that the viscosity of the oil-resistant agent having a solution concentration of 14.8 mg / mL is 5 cP or more and 100 cP or less.
- Aspect 11 The oil resistant agent according to any one of aspects 1 to 10, which is an aqueous dispersion composition.
- Aspect 12 The oil resistant agent according to any one of aspects 1 to 11 for paper.
- Aspect 13 A textile product to which the oil resistant agent according to any one of aspects 1 to 12 is attached.
- Aspect 14 An oil-resistant paper containing the oil-resistant agent according to any one of aspects 1 to 12.
- Aspect 15 The oil-resistant paper according to aspect 14, which is a food packaging material or a food container.
- Aspect 16 A treatment method for externally or internally adding paper with the oil resistant agent according to any one of aspects 1 to 12.
- the modified natural products of the present disclosure exhibit excellent oil resistance. Since the oil resistant agent containing the modified natural product of the present disclosure is derived from biobase, it is excellent in biodegradability without imposing a burden on the ecological environment.
- the present disclosure provides a modified natural product (modified natural compound) in which the hydrogen atom of the hydroxy group of the natural product having at least one hydroxy group is substituted with an R group.
- substituents are hydroxyl groups, ester groups, R'3 Si groups, (R'O) 3 Si groups, carboxyl groups, or salts of carboxyl groups (each of R'is a hydrogen atom or carbon independently. It is an alkyl group of numbers C 1 to C 4 ). Any two of R may be bonded to each other to form a ring.
- Modified natural products have -OR groups that were not present in natural products. When the modified natural product (modified natural product compound) contains two or more —OR groups, the —OR groups may be the same or may be a combination of —OR groups having different structures.
- -Z in the formula, Z and R'have the same meaning as above).
- Z is a monovalent base.
- Z is a hydrocarbon group having 1 to 40 carbon atoms or a hydrocarbon group having 1 to 40 carbon atoms having a substituent.
- Z may be a hydrocarbon group having 1 to 3 carbon atoms, but is a branched hydrocarbon group or a long-chain hydrocarbon group (or a (long-chain) linear hydrocarbon group) having 4 or more carbon atoms, or a cyclic group. It is preferably a hydrocarbon group.
- the hydrocarbon group is preferably an aliphatic hydrocarbon group, particularly a saturated aliphatic hydrocarbon group, particularly an alkyl group.
- -CH 3 groups have lower surface free energy than -CH 2- and tend to show liquid repellency. Therefore, a structure with many branches and many -CH 3 groups is preferable.
- a long-chain alkyl group having a certain length exhibits high liquid repellency derived from its crystallinity.
- the number of -CH 3 groups is preferably 2 to 15, for example, 3 to 10 or 4 to 9.
- a long-chain alkyl group having a certain length exhibits high water repellency derived from its crystallinity.
- branched hydrocarbon groups eg, branched (eg, 3-10 or 4-8) alkyl groups
- Hydrocarbon groups of the structure, or long-chain hydrocarbon groups (or long-chain linear hydrocarbon groups), such as 16-40 or 16-26 carbon atoms, particularly 18-22 alkyl groups are preferred.
- the long-chain hydrocarbon group is preferably a stearyl group, an icosyl group or a behenyl group.
- the number of carbon atoms of the hydrocarbon group may be 2 or more, 4 or more, 7 or more, 10 or more, 12 or more, 14 or more, 16 or more, 18 or more, or 20 or more, preferably 10 or more or 12 or more.
- the hydrocarbon group may have 40 or less, 35 or less, 30 or less, 25 or less, 22 or less, 20 or less, or 18 or less. It is preferably 30 or less.
- the hydrocarbon group may be an aliphatic hydrocarbon group, an aromatic hydrocarbon group or an aromatic aliphatic hydrocarbon group, and is preferably an aliphatic hydrocarbon group.
- the hydrocarbon group may be linear, branched or cyclic, but is preferably linear or branched, more preferably linear.
- the hydrocarbon group may be unsaturated (eg, monounsaturated, divalently unsaturated, trivalently unsaturated, tetravalently unsaturated, or polyunsaturated) or saturated, eg, an alkyl group.
- hydrocarbon group examples include n-butyl group, tbutyl group, pentyl group, neopentyl group, hexyl group, heptyl group, octyl group, isooctyl group, nonyl group, decyl group, undecyl group, lauryl group and tridecyl group.
- Tetradecyl group pentadecyl group, palmityl group, heptadecyl group, stearyl group, nonadecyl group, behenyl group, 2-ethylhexyl group, isostearyl group and other alkyl groups; oleyl group, palmitoyl group, eicosenyl group and other alkenyl groups; cyclohexyl and the like. Cycloalkyl group of.
- Z may be a hydrocarbon group substituted with a carboxyl group.
- Z may be a hydrocarbon group substituted with a salt of the carboxyl group. That is, it may be a hydrocarbon group substituted with a salt of a carboxyl group and a base.
- As the base ammonia, an organic amine or an alkali metal hydroxide is preferably used.
- Examples of the organic amine include methylamine, ethylamine, diethylamine, dimethylethanolamine, diethanolamine, triethanolamine and the like.
- Examples of the alkali metal hydroxide include sodium hydroxide, potassium hydroxide, lithium hydroxide and the like. These bases may be used alone or in combination of two or more.
- the dispersibility of the modified natural product in an aqueous dispersion medium is good, and an aqueous dispersion of an oil resistant agent can be preferably obtained.
- Z may be a polysiloxane group.
- the polysiloxane group is, for example, the formula: -B- [-Si (R 21 ) 2 -O-] a -[-Si (R 22 ) (R 21 ) -O-] b -A [In the formula, A is -Si (R 21 ) 3 or -X 1 and B is-[-(R 24 ) -O-] q-R 23- [-Si (R 21 ) 2 -O-] p- (p and q are 0 or 1).
- X 1 may be interrupted by an oxygen atom and may have an epoxy ring, a hydroxy group, a (meth) acrylic group (or acryloyloxy group) and / or a carboxyl group having 1 to 20 carbon atoms (or 1 carbon group).
- ⁇ 40) is a linear or branched hydrocarbon group.
- Each of R 21 independently has a hydrogen atom, an alkyl group having 1 to 20 carbon atoms (or 1 to 40 carbon atoms), an aryl group having 6 to 20 carbon atoms (or 6 to 40 carbon atoms), or 1 to 1 carbon atoms.
- R 22 independently has a hydrogen atom, an alkyl group having 1 to 20 carbon atoms (or 1 to 40 carbon atoms), an aryl group having 6 to 20 carbon atoms (or 6 to 40 carbon atoms), or 1 to 1 carbon atoms.
- R 23 represents a hydrocarbon group having 1 to 20 carbon atoms which may be interrupted by an oxygen atom.
- R 24 represents a hydrocarbon group having 1 to 20 carbon atoms which may be interrupted by an oxygen atom.
- a represents an integer of 0 or more
- b represents an integer of 1 or more
- (a + b) is 3 to 200. ] It may be a group indicated by.
- R 21 may have an epoxy ring, a hydroxy group, a (meth) acrylic group (or acryloyloxy group) and / or a carboxyl group.
- p and q are 0 or 1. It is preferred that both p and q are 0 or 1.
- polysiloxane group is the formula: -(R 24 ) -O- (R 23 ) -Si (R 21 ) 2 -O- [-Si (R 21 ) 2 -O-] a -[-Si (R 22 ) (R 21 ) -O- ] b -Si (R 21 ) 3 or -(R 24 ) -O- (R 23 ) -Si (R 21 ) 2 -O- [-Si (R 21 ) 2 -O-] a -[-Si (R 22 ) (R 21 ) -O- ] b -X 1 or -R 23 -[-Si (R 21 ) 2 -O-] a -[-Si (R 22 ) (R 21 ) -O-] b -Si (R 21 ) 3 or -R 23 -[-Si (R 21 ) 2 -O-] a
- each of R 21 independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an alkoxy group having 1 to 4 carbon atoms.
- Each of R 22 independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an alkoxy group having 1 to 4 carbon atoms.
- R 23 represents a hydrocarbon group having 1 to 20 carbon atoms.
- R 24 represents a hydrocarbon group having 1 to 20 carbon atoms.
- a represents an integer of 0 or more
- b represents an integer of 1 or more
- (a + b) is 3 to 200.
- It may be a group indicated by.
- R 21 and R 22 may be hydrocarbon groups having 1 to 40 carbon atoms.
- X 1 is Hydrocarbon groups having 1 to 40 carbon atoms (for example, t-butyl group), A hydrocarbon group having 1 to 40 carbon atoms, which is interrupted by an oxygen atom (that is, has an ether group).
- a hydrocarbon group having 1 to 40 carbon atoms having an ether group and a hydroxy group Hydrocarbon groups having 1 to 40 carbon atoms with an epoxy ring, A hydrocarbon group having 1 to 40 carbon atoms having a hydroxy group (for example, one or two hydroxy groups), It is a hydrocarbon group having 1 to 40 carbon atoms having a (meth) acrylic group (or (meth) acryloyloxy group) and a hydrocarbon group having 1 to 40 carbon atoms having a carboxyl group.
- the (meth) acrylic group means an acrylic group and a methacrylic group.
- Z which is a polysiloxane group
- Z is the formula: -(R 3 ) 2 Si-O-[-Si (R 1 ) 2 -O-] a -[-Si (R 1 ) (R 2 ) -O-] b -Si (R 3 ) 3
- R 1 independently represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms.
- R 2 independently represents a saturated hydrocarbon group having 1 to 40 carbon atoms.
- Each of R3 independently has a hydrogen atom , an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a saturated hydrocarbon group having 1 to 40 carbon atoms.
- the alkyl group having 1 to 20 carbon atoms and the aryl group having 6 to 20 carbon atoms may be unsubstituted or substituted. May be.
- Specific examples of an alkyl group having 1 to 20 carbon atoms and an aryl group having 6 to 20 carbon atoms include a methyl group, an ethyl group, a propyl group, a butyl group and a pentyl.
- R 21 , R 22 , R 1 and R 3 are preferably methyl or ethyl groups.
- R 21 , R 22 , R 1 and R 3 have an alkyl group having 3 to 22 carbon atoms or an unsaturated hydrocarbon group having 8 to 40 carbon atoms (for example, a hydrocarbon group having an aromatic ring). It is good, but it is preferable that it does not have these groups.
- the alkoxy group having 1 to 4 carbon atoms may be linear or branched. Examples of alkoxy groups having 1 to 4 carbon atoms are a methoxy group, an ethoxy group, a propoxy group, and a butoxy group.
- R 21 , R 22 , R 1 and R 3 are preferably hydrogen atoms or methyl groups, more preferably methyl groups, in that they are industrially easy to manufacture and easily available.
- the polysiloxane group has at least one hydrocarbon group having 1 to 40 carbon atoms, particularly a saturated hydrocarbon group.
- hydrocarbon group having 1 to 40 carbon atoms in the polysiloxane group the same description as in the case where Z is a hydrocarbon group having 1 to 40 carbon atoms can be given.
- the hydrocarbon group may have 7 to 40 carbon atoms, for example 18 to 38 or 23 to 36.
- the saturated hydrocarbon group having 1 to 40 carbon atoms may be linear or branched, and is preferably an alkyl group.
- saturated hydrocarbon groups having 1 to 40 carbon atoms include a methyl group (1 carbon atom), an ethyl group (2 carbon atoms), a lauryl group (12 carbon atoms), a stearyl group (18 carbon atoms), and a trichosyl group. (23 carbon atoms), lignoceryl group (tetracosyl group, 24 carbon atoms), cellotyl group (hexacosyl group, 26 carbon atoms), montyl group (octacosyl group, 28 carbon atoms), melicyl group (triacontan group, 30 carbon atoms) , Dotoria Contane group (32 carbon atoms).
- A is an integer of 0 or more. In terms of easy industrial production and easy availability, a is preferably 40 or less, and more preferably 30 or less.
- the total of a and b is 3 to 200 or 5 to 200.
- the total of a and b is preferably 10 to 100, more preferably 40 to 60, in terms of being industrially easy to manufacture, easily available, and easy to handle.
- a may be 0 to 150, for example 1 to 100.
- the lower limit of b may be 1 or 2 or 3, and the upper limit of b may be 150, 10 or 5.
- each of R 1 and R 2 existing in a plurality may be the same or different. It is preferable that 50 mol% or more of the total of R 1 , R 2 and R 3 is a methyl group.
- the order of existence of the repeating units enclosed by a or b is not limited to the order of existence indicated by the chemical formula, and is arbitrary. That is, the polysiloxane group may be a random polymer or a block polymer.
- polysiloxane groups are as follows. [In the formula, a represents an integer from 0 to 150, b represents an integer from 1 to 150 and represents (A + b) is 5 to 200, n is an integer from 0 to 36. ]
- a natural product is a compound that naturally exists and has at least one hydroxy group (hydroxy group-containing natural compound).
- Natural products may be small molecules (eg, weight average molecular weight less than 1000 or less than 500) and / or macromolecules.
- the weight average molecular weight of the polymer may be 1000 or more, 3000 or more, 5000 or more, 10000 or more, 30,000 or more, 100,000 or more, 300,000 or more, and 500,000 or more.
- the weight average molecular weight of the polymer may be 1,000,000 or less, 750000 or less, 500,000 or less, 3,000,000 or less, 100,000 or less, 75,000 or less, and 50,000 or less.
- the weight average molecular weight can be measured by a gel permeation chromatograph (GPC) in terms of pullulan.
- the natural product may be a high molecular weight natural product, a low molecular weight natural product or a derivative thereof. It also contains compounds converted from microorganisms in natural products.
- high molecular weight natural products are starch, cellulose, curdlan, pullulan, alginic acid, carrageenan, guar gum, chitin and chitosan.
- Other examples include locust bean gum, kappa carrageenan, iota carrageenan, polyglycerin, isomaltodextrin, zansan gum, gera gum, tamarind seed gum, cycloamylose. It is preferable that the natural product is other than starch.
- low molecular weight natural products examples include glucose, sucrose, mannitol, sorbitol, sorbitan, martitol, stepioxide, cyclodextrin, glycerin, menthol, xylitol, glucosamine, catechin, anthocyanin, quercetin, gluconic acid and malic acid, xylose, inositol.
- the natural product may be a compound as it is or a compound derived from the natural product. That is, the natural product also includes a derivative of the natural product.
- a derivative of the natural product for example, as starch derivatives, oxidized starch, hydrophobic starch, acetate starch, phosphoric acid esterified starch, acetylated starch, etherified starch, cationized starch, carbamate starch, hydroxymethylated starch, hydroxyethylated starch, hydroxypropyl Contains modified starch.
- Hydroxypropyl cellulose methyl cellulose, carboxymethyl cellulose (CMC), monoacetate cellulose, triacetate cellulose, hydroxyethyl cellulose (HEC), hydroxypropylmethyl cellulose (HPMC), hydroxyethyl methyl cellulose (HEMC), cellulose TEAE (triethylamino) as cellulose derivatives.
- Ethyl Cellulose O- [2-Hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose.
- the derivative of a natural product When the derivative of a natural product has high oil resistance, it can be used as an oil resistant agent without modification. That is, the derivative of the natural product may be a modified natural product (modified natural compound).
- the natural product may be a monosaccharide or a polysaccharide (such as a disaccharide and a trisaccharide).
- monosaccharides include glucose, galactose, fructose, aldose, alditol, ketose, pyranose, furanose, aldonic acid, uronic acid, and aldaric acid.
- the polysaccharide is a compound in which a plurality of (3 or more, for example, 3 to) monosaccharides such as glucose, galactose, and fructose are bound.
- the polysaccharide may be an oligosaccharide in which 3 to 10 monosaccharides are bound.
- polysaccharides include starch, cellulose, xanthan gum, karaya gum, welan gum, guar gum, pectin, tamarind gum, carrageenan, chitosan, arabic gum, locust bean gum, alginic acid, agar, dextran, pullulan, isomalt dextrin, and zansangum.
- examples include gera gum, tamarind seed gum, curdlan, pullulan and cycloamylose.
- the natural product may be starch, cellulose, curdlan, pullulan, alginic acid, carrageenan, guar gum, chitin, chitosan, but cellulose is particularly preferable.
- the modified cellulose may be, for example, formula: [In the formula, at least one R group is a —YZ group and the remaining R groups are hydrogen atoms. All three R groups may be —YZ groups. The Y group and the Z group have the same meaning as described above. n is a number of 2 or more, for example 100 or more or 500 or more. ] It has a repeating structure indicated by.
- Natural products may be, for example, aldose, alditol, ketose, pyranose, furanose, aldonic acid, uronic acid, and aldaric acid.
- Aldose is a monosaccharide having a chemical formula of Cm H 2 m O m (m is 3 or more, the upper limit of m is generally 100, 20 or 10).
- aldose include erythrose, threose, ribose, arabinose, xylose, lyxose, allose, altrose, glucose, mannose, growth, idose, galactose, and talose.
- Arditol is a monosaccharide obtained by reducing the aldehyde group of aldose to a hydroxymethyl group, and is a monosaccharide having 3 or more carbon atoms (the upper limit of the number of carbon atoms is generally 100, 20 or 10).
- argitol examples include erythritol, threitol, ribitol, arabinitol, xylitol, arabinitol, aritol, altitol, sorbitol (glucitol), mannitol, sorbitol (glucitol), iditol, galactitol, and altitol.
- Ketose is a monosaccharide containing one keto group (ketonic carbonyl group) inside a chain structure (upper limit of carbon number is generally 100, 20 or 10).
- ketose specific examples having 3 to 6 carbon atoms
- ketose include dihydroxyacetone, erythrulose, ribulose, xylulose, psicose, fructose, sorbose and tagatose.
- Pyranose is a monosaccharide with a six-membered ring composed of five carbon atoms and one oxygen atom.
- pyranose include ribopyranose, arabinopyranose, xylopyranose, lyxopyranose, allopyranose, altropyranose, glucopyranose, mannopyranose and glopyranose.
- Furanose is a monosaccharide having a five-membered ring composed of four carbon atoms and one oxygen atom.
- furanose include erythrofuranose, treofranose, ribofuranose, arabinofuranose, xylofranose and lyxofuranose.
- the modified natural compound can be produced by reacting the modifying agent with a hydroxy group of a natural product.
- the synthetic method for reacting the modifier with the hydroxy group include a method for forming a urethane bond, a method for forming an ester bond, and a method for forming an ether bond.
- the modifier is preferably a compound having a hydrocarbon group, particularly a compound having an aliphatic hydrocarbon group.
- the substitution rate of the hydroxy group with the modifier may be 1 to 100% (0.01 to 1.00).
- the substitution rate is preferably 1% or more, 3% or more, 5% or more or 10% or more, for example, 15% or more, 20%, 30% or more, 40%, 45% or 50% or more, preferably 100%.
- it is preferably 99% or less, 90% or less or 80% or less, for example, 70% or less, 60% or less or 50% or less.
- substitution rate means the rate (%) in which the hydroxy group present in the structure of the modified natural product (modified natural compound) is replaced by the modifying agent.
- the percentage of unmodified hydroxy groups is 0% or higher, 1% or higher, 3% or higher, 5% or higher or 7% or higher, for example, 10% or higher or 20% or higher. It may be 99% or less, 97% or less or 95% or less, for example, 90% or less, 85% or less, 80% or less or 70% or less.
- Aliphatic isocyanates and / or aromatic isocyanates (Z-NCOs) are reacted with hydroxy groups to form urethane bonds.
- the hydroxy group-containing natural product is reacted with an aliphatic isocyanate or an aromatic isocyanate in the presence of a tin catalyst or an amine. Then, the hydrogen atom of the hydroxy group reacts with the isocyanate group, and various modifying groups (Z groups) can be introduced via the urethane bond.
- the aliphatic hydrocarbon group may be linear or branched.
- aliphatic isocyanate examples include methyl isocyanate, ethyl isocyanate, propyl isocyanate, isopropyl isocyanate, butyl isocyanate, t-butyl isocyanate, pentyl isocyanate, neopentyl isocyanate, hexyl isocyanate, heptyl isocyanate, octyl isocyanate, nonyl isocyanate and decyl isocyanate.
- Saturated aliphatic isocyanates such as dodecyl isocyanate and octadecyl isocyanate
- unsaturated aliphatic isocyanates such as butenyl isocyanate, pentenyl isocyanate, hexenyl isocyanate, octenyl isocyanate and dodecenyl isocyanate.
- aromatic isocyanate examples include 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate, 2,2'-diphenylmethane diisocyanate, 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4.
- an aliphatic isocyanate or an aromatic isothiocyanate is used in the presence of a tin catalyst, an amine, or the like on the hydroxy group-containing natural product in an organic solvent.
- a tin catalyst, an amine, or the like on the hydroxy group-containing natural product in an organic solvent.
- Z groups various modifying groups
- the aliphatic hydrocarbon group may be linear or branched.
- aliphatic isothiocyanates include methyl isothiocyanate, ethyl isothiocyanate, propyl isothiocyanate, isopropyl isothiocyanate, butyl isothiocyanate, pentyl isothiocyanate, hexyl isothiocyanate, heptyl isothiocyanate, octyl isothiocyanate, and nonyl isothiocyanate.
- Saturated aliphatic isothiocyanates such as decyl isothiocyanate, dodecyl isothiocyanate, octadecyl isothiocyanate; and unsaturated fatty groups such as butenyl isothiocyanate, pentenyl isothiocyanate, hexenyl isothiocyanate, octenyl isothiocyanate, dodecenyl isothiocyanate.
- Isothiocyanate can be mentioned.
- aromatic isothiocyanates include 4,4'-diphenylmethane diisothiocyanate, 2,4'-diphenylmethane diisothiocyanate, 2,2'-diphenylmethane diisothiocyanate, 2,4-toluene diisothiocyanate, and 2, , 6-Toluene diisothiocyanate, 4,4'-diphenyl ether diisothiocyanate, 2,2'-diphenylpropane-4,4'-diisothiocyanate, 3,3'-dimethyldiphenylmethane-4,4'-diiso Thiothiocyanate, 4,4'-diphenylpropane diisothiocyanate, 1,2-phenylenediisothiocyanate, 1,3-phenylenediisothiocyanate, 1,4-phenylenediisothiocyanate, 1,4-naphthalenediisothiocyanate, 1
- the synthetic method of substituting the hydrogen atom of the hydroxy group of a natural product with a saturated aliphatic acyl group includes a method of reacting a saturated fatty acid halide with a hydroxy group-containing natural product in the presence of a base such as pyridine, and a hydroxy group-containing natural product.
- the aliphatic hydrocarbon group may be linear or branched.
- Specific examples of saturated fatty acids are saturated fatty acids having 2 to 26 carbon atoms, such as acetic acid, butyric acid, caproic acid, enanthic acid, capric acid, pelargonic acid, capric acid, undecanoic acid, lauric acid, tridecanoic acid and myristic acid. , Pentadecanoic acid, palmitic acid, margaric acid, stearic acid, isostearic acid, nonadecanic acid, arachidic acid, henikosanoic acid, behenic acid.
- unsaturated fatty acids are palmyrin oleic acid, oleic acid, ellaic acid, buxenic acid, erucic acid, linoleic acid, ⁇ -linolenic acid, ⁇ -linolenic acid, eikosaventaenoic acid, docosahexaenoic acid, and lanolin fatty acid.
- the aliphatic hydrocarbon group may be linear or branched.
- acid-halogen compounds include palmitoyl chloride, heptanoyl chloride, octanoyl chloride, nonanoyl chloride, laurinoyl chloride, decanoyl chloride, myristoyl chloride tetradecanoyl chloride, heptadecanoyl chloride, undecanoyl chloride, and stearoyl.
- the aliphatic hydrocarbon group may be linear or branched.
- the acid anhydride may form a 5-membered ring structure or a 6-membered ring structure.
- Specific examples of the acid anhydride forming a 5-membered ring structure include succinic anhydride, methyl succinic acid anhydride (4-methyl succinic acid anhydride), and dimethyl succinic acid anhydride (4,4-dimethyl succinic acid anhydride).
- the acid anhydride forming a 6-membered ring structure examples include cyclohexanedicarboxylic acid anhydride (cyclohexane-1,2-dicarboxylic acid anhydride, etc.), 4-cyclohexene-1,2-dicarboxylic acid anhydride, and the like.
- Examples thereof include glutaric acid anhydride, glutaconic acid anhydride, 2-phenylglutaric acid anhydride and the like, and their analogs and the like.
- a halogenated alkyl compound (ZX) or an epoxy compound (Z-CHOCH 2 ) is reacted with a hydroxy group to form an ether bond.
- the synthetic method of substituting the hydrogen atom of the hydroxy group of the natural product with an alkyl group is a method of reacting the hydroxy group-containing natural product with an alkaline aqueous solution of a halogenated alkyl compound (for example, sodium hydroxide or potassium hydroxide), or Examples thereof include a method of reacting a basic compound with an alkyl halide in an organic solvent. As a result, the hydrogen atom of the hydroxy group is replaced with the alkyl group.
- Specific examples of the alkyl halide compound include methyl halide, ethyl halide, propyl halide, butyl halide, pentyl halide, hexyl halogenated, heptyl halogenated, octyl halogenated, nonyl halogenated, decyl halogenated, and the like.
- a natural product having an ether bond By reacting a hydroxy group-containing natural product (hydroxy group-containing natural compound) with an epoxy compound, a natural product having an ether bond can be obtained.
- the epoxy compound is preferably a monofunctional epoxy compound having one 3-membered ring ether structure.
- Specific examples of the epoxy compound include ethylene oxide, propylene oxide, 1-butene oxide, 2-butene oxide, stearyl glycidyl ether, cetyl glycidyl ether and the like.
- the hydrogen atom of the hydroxy group of a natural product may be substituted with a substituent having ionicity other than R.
- the ion donor group is an anionic group and / or a cationic group.
- anionic group examples include a monomer having a carboxyl group, a sulfonic acid group or a phosphoric acid group.
- anionic group salt examples include alkali metal salts, alkaline earth metal salts, or ammonium salts such as methyl ammonium salt, ethanol ammonium salt, and triethanol ammonium salt.
- the cationic group is an amino group, preferably a tertiary amino group and a quaternary amino group.
- the two groups bonded to the nitrogen atom are the same or different, an aliphatic group having 1 to 5 carbon atoms (particularly an alkyl group) and an aromatic group having 6 to 20 carbon atoms (aryl group).
- it is preferably an aromatic aliphatic group having 7 to 25 carbon atoms (particularly an aralkyl group, for example, a benzyl group (C 6 H 5 -CH 2- )).
- the three groups bonded to the nitrogen atom are the same or different, an aliphatic group having 1 to 5 carbon atoms (particularly an alkyl group) and an aromatic group having 6 to 20 carbon atoms (aryl group). Alternatively, it is preferably an aromatic aliphatic group having 7 to 25 carbon atoms (particularly an aralkyl group, for example, a benzyl group (C 6 H 5 -CH 2- )).
- the remaining one group bonded to the nitrogen atom may have a carbon-carbon double bond.
- the cationic group may be in the form of a salt.
- the cationic group that is a salt is a salt with an acid (organic acid or inorganic acid).
- Organic acids such as carboxylic acids having 1 to 20 carbon atoms (particularly monocarboxylic acids such as acetic acid, propionic acid, butyric acid and stearic acid) are preferred.
- the treatment agent comprises a modified natural product.
- the oil resistant agent has oil resistance, and may further have water resistance, water repellency, and oil repellency.
- the oil resistant agent may contain a liquid medium (water, an organic solvent or a mixed solution thereof) in addition to the modified natural product.
- the oil resistant agent may further contain at least one selected from surfactants, blocked isocyanate compounds and additives.
- the amount of the modified natural product is 0.1% by weight or more, 1% by weight or more, 3% by weight or more, 5% by weight or more, 10% by weight or more, 15% by weight or more, 20% by weight or more, or It may be 30% by weight or more.
- the amount of the modified natural product may be 100% by weight or less, 75% by weight or less, 50% by weight or less, or 40% by weight or less with respect to the oil resistant agent.
- the oil resistant agent may contain an aqueous medium.
- the liquid medium is water alone, an organic solvent (eg, alcohol, ketone, ester) alone, or a mixture of water and an organic solvent, preferably water alone.
- the amount of the liquid medium may be 30% by weight or more, 50% by weight or more, 60% by weight or more, 75% by weight or more, or 90% by weight or more with respect to the oil resistant agent, and the amount of the liquid medium is 99% by weight or more. Hereinafter, it may be 95% by weight or less, 75% by weight or less, or 50% by weight or less.
- the amount of the organic solvent (for example, alcohol, ester and ketone) is 3% by weight or more, 10% by weight or more, 30% by weight or more, and 50% by weight with respect to the liquid medium. % Or more, or 75% by weight or more.
- the amount of the organic solvent may be 90% by weight or less, 50% by weight or less, 30% by weight or less, or 10% by weight or less with respect to the liquid medium.
- the oil resistant agent may be a solution (particularly an aqueous solution) or a dispersion composition (particularly an aqueous dispersion (water dispersion composition)).
- the oil resistant agent may or may not contain a surfactant (emulsifier) or a dispersant.
- a surfactant or a dispersant is added at the time of the reaction (for example, 0. It may be added in an amount of 01 to 100 parts by weight or 0.01 to 50 parts by weight, for example, 0.1 to 15 parts by weight), or a surfactant or a dispersant may be added after the reaction.
- the surfactant or the dispersant contains a nonionic surfactant in the oil resistant agent.
- the surfactant preferably contains one or more surfactants selected from a cationic surfactant, an anionic surfactant, and an amphoteric surfactant. It is preferable to use a combination of a nonionic surfactant and a cationic surfactant.
- Each of the nonionic surfactant, the cationic surfactant, and the amphoteric surfactant may be one or a combination of two or more.
- the amount of the surfactant or dispersant is 100 parts by weight or less, 50 parts by weight or less, 25 parts by weight or less, 15 parts by weight or less, and 10 parts by weight or less with respect to 100 parts by weight of the total of the natural product (or modified natural product). , 7.5 parts by weight or less, 5 parts by weight or less, or 2.5 parts by weight or less.
- the addition of a surfactant or dispersant improves the stability of the aqueous dispersion and the permeability to the cloth.
- the oil resistant agent may or may not contain the blocked isocyanate compound.
- the blocked isocyanate compound may be added before the substitution reaction of the hydroxyl group, or may be added after the reaction (for example, before the curing step).
- the blocked isocyanate compound is a compound represented by isocyanate (A (NCO) m [in the formula, A is a group remaining after the isocyanate group is removed from the isocyanate compound, and m is an integer of 2 to 8].
- A isocyanate
- m is an integer of 2 to 8
- a blocking agent RH [in the formula, R may be a hydrocarbon group optionally substituted with a hetero atom such as a nitrogen atom or an oxygen atom, H is a hydrogen atom]]. It can be produced by reacting with (may be a compound to be).
- a (NCO) m is, for example, tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HDI), or the like.
- blocking agents that form R groups are oximes, phenols, alcohols, mercaptans, amides, imides, imidazoles, ureas, amines, imines, pyrazoles and active methylene compounds.
- blocked isocyanate compound blocked isocyanate such as oxime blocked toluene diisocyanate, blocked hexamethylene diisocyanate, and blocked diphenylmethane diisocyanate is preferable.
- the amount of the blocked isocyanate compound may be 15 parts by weight or less, 10 parts by weight or less, 7.5 parts by weight or less, 5 parts by weight or less, and 2.5 parts by weight or less with respect to 100 parts by weight of the modified natural product.
- the oil resistant agent may contain an additive.
- additives include binder resins, dispersants, water resistant agents, oil resistant agents, water repellents, oil repellents, drying rate regulators, cross-linking agents, film-forming aids, defoamers, antifreeze agents, viscosity regulators, etc. UV absorbers, antioxidants, pH regulators, defoamers, texture regulators, slipperiness regulators, antistatic agents, hydrophilic agents, antibacterial agents, preservatives, insect repellents, fragrances, flame retardants, sizing agents , A paper power enhancer.
- the amount of the additive may be 0.1 to 20 parts by weight, for example 0.1 to 10 parts by weight, based on 100 parts by weight of the modified natural product.
- the contact angle (on the glass substrate) of n-hexadecane is 5 ° or more, 10 ° or more, 11 ° or more, 12 ° or more or 15 ° or more, preferably 20 ° or more, 25 °.
- the above, or 30 ° or more, more preferably 35 ° or more, 40 ° or more, or 45 ° or more may be used.
- the oil resistant agent has excellent liquid repellency, and is particularly preferable from the viewpoint of oil resistance and the like.
- the surface free energy of the modified natural product is preferably 20 mNm -1 or more, 25 mNm -1 or more, or 30 mNm -1 or more, and 70 mNm -1 or less, 60 mNm -1 or less, or 50 mNm -1 or less. It is preferable to have.
- the preferred range of the difference between the modified natural product (or oil resistant agent) and the SP value of corn oil may be 3 or more, 5 or more, or 7 or more.
- the melting point of the modified natural product is preferably 40 ° C. or higher, 50 ° C. or higher, 60 ° C. or higher, 70 ° C. or higher, 80 ° C. or higher, 90 ° C. or higher, 100 ° C. or higher, 110 ° C. or higher, 120 ° C. or higher or 140 ° C. or higher. ..
- the melting point of the oil resistant agent is preferably 200 ° C. or lower, 180 ° C. or lower, and 160 ° C. or lower.
- the glass transition temperature of the modified natural product is 30 ° C or higher, 40 ° C or higher, 50 ° C or higher, 60 ° C or higher, 70 ° C or higher, 80 ° C or higher, 90 ° C or higher, 100 ° C or higher, 110 ° C or higher, 120 ° C or higher or 140 ° C.
- the above is preferable.
- the glass transition temperature of the modified natural product is preferably 180 ° C. or lower, 140 ° C. or lower, 130 ° C. or lower, and 120 ° C. or lower.
- the viscosity of the oil-resistant polymer (modified natural product) solution concentration of 14.8 mg / mL is preferably 3 cP or higher, 5 cP or higher, 7 cP or higher, or 10 cP or higher.
- the viscosity of the oil-resistant agent having a polymer solution concentration of 14.8 mg / mL is preferably 1000 cP or less, 500 cP or less, or 100 cP or less.
- the air permeability of the treated paper is preferably 100 s / 100 cc or more, 200 s / 100 cc or more, 300 s / 100 cc or more, 400 s / 100 cc or more, 500 s / 100 cc or more, 700 s / 100 cc or more, or 1000 s / 100 cc or more.
- the air permeability of the treated paper is equal to or higher than the above value, the voids between the fibers may be blocked, and oil resistance may be particularly improved.
- the treated paper for measuring the air permeability is 0 mil on the base paper of the oil-resistant polymer (modified natural product) solution concentration 14.8 mg / mL and the paper density of 0.58 g / cm 3 and the basis weight of 45 g / m 2. It was produced by repeatedly applying and drying with a baker-type applicator set in 1) and annealing at 70 ° C to 180 ° C (for example, 70 ° C) for 10 minutes.
- the preferable range of the combination of the contact angle and the air permeability of hexadecane may be 5 degrees or more ⁇ 200s or more, 10 degrees or more ⁇ 200s or more, 30 degrees or more ⁇ 200s or more, or 40 degrees or more ⁇ 200s or more.
- the preferred range of the combination of the contact angle and the air permeability of hexadecane may be 11 degrees or more ⁇ 250s or more, 15 degrees or more ⁇ 250s or more, 30 degrees or more ⁇ 250s or more, or 40 degrees or more ⁇ 250s or more.
- the preferred range of the combination of the contact angle and the air permeability of hexadecane may be 11 degrees or more ⁇ 300s or more, 15 degrees or more ⁇ 300s or more, 30 degrees or more ⁇ 300s or more, or 40 degrees or more ⁇ 300s or more.
- the preferred range of the combination of hexadecane contact angle and air permeability is 11 degrees or more x 350s or more, 15 degrees or more x 350s or more, 30 degrees or more x 350s or more, or 40 degrees or more x 350s or more. good.
- the product of the contact angle of hexadecane and the air permeability is 1500 (degrees / s) or more, 2000 (degrees / s) or more, 2500 (degrees / s) or more, 3000 (degrees / s) or more, 3500 (degrees / s). 4000 (degrees) or more, 5000 or more (degrees), 6000 (degrees) or more, 7000 (degrees) or more, 8000 (degrees) or more, 9000 (degrees) or more, Alternatively, it is preferably 10000 (degrees / s) or more.
- the upper limit of the product of the contact angle of hexadecane and the air permeability may be 300,000 (degrees), 200,000 (degrees) or 100,000 (degrees).
- the product of the contact angle of hexadecane and the air permeability is equal to or more than the above value, it means that either the liquid repellency or the covering property of the oil resistant agent is sufficient to develop the oil resistance.
- the modified natural product can be used as various agents such as an oil resistant agent, a water resistant agent, a water repellent agent, an oil repellent agent, an antifouling agent, a stain removing agent, a release agent or a mold release agent, or components thereof.
- the modified natural product can be used as an external treatment agent (surface treatment agent) or an internal treatment agent or a component thereof.
- the modified natural product can form a surface coating structure on the surface of the substrate.
- the treated object (base material) is dried in order to exhibit liquid repellency, and is preferably heated at a temperature of, for example, Tg or higher of the modified natural product, for example, 100 ° C to 200 ° C. preferable. Treatment at a temperature above Tg of the modified natural product coats the surface of the substrate with the modified natural product and further induces the arrangement of side chains. As a result, a surface coating structure having excellent hydrophobicity can be formed.
- the surface coating structure can be formed by applying the modified natural product to the object to be treated (base material) by a conventionally known method and adhering it to the surface of the base material.
- a method of dispersing the modified natural product in an organic solvent or water, diluting it, adhering it to the surface of the object to be treated by a known method such as dip coating, spray coating, foam coating, etc., and drying it is adopted. .. If necessary, it may be applied together with a suitable cross-linking agent (for example, a blocked isocyanate compound) for curing.
- a suitable cross-linking agent for example, a blocked isocyanate compound
- an insect repellent a softener, an antibacterial agent, a flame retardant, an antistatic agent, a paint fixing agent, an anti-wrinkle agent, a sizing agent, a paper strength enhancer, etc.
- an insect repellent a softener, an antibacterial agent, a flame retardant, an antistatic agent, a paint fixing agent, an anti-wrinkle agent, a sizing agent, a paper strength enhancer, etc.
- Objects to be treated with agents containing modified natural materials include textile products, stones, filters (eg, electrostatic filters), dust masks, fuel cell parts (eg, gas diffusion electrodes and gas diffusion supports), and the like.
- filters eg, electrostatic filters
- dust masks e.g., fuel cell parts
- fuel cell parts e.g, gas diffusion electrodes and gas diffusion supports
- Examples include glass, wood, leather, fur, asbestos, bricks, cement, metals and oxides, ceramic products, plastics, coated surfaces, plasters and the like.
- textile products include various examples of textile products, such as cloth products and paper products.
- cloth products include animal and vegetable natural fibers such as cotton, linen, wool and silk, synthetic fibers such as polyamide, polyester, polyvinyl alcohol, polyacrylonitrile, polyvinyl chloride and polypropylene, and semi-synthetic fibers such as rayon and acetate. Examples thereof include inorganic fibers such as glass fibers, carbon fibers and asbestos fibers, or mixed fibers thereof.
- Fabric products include textiles, knitted fabrics and non-woven fabrics, fabrics and carpets in the form of clothing, but with respect to fibers, yarns, intermediate textile products (eg, sliver or crude yarn, etc.) in their pre-fabric state. Processing may be done.
- paper products include bleached or unbleached chemical pulp such as kraft pulp or sulfide pulp, crushed wood pulp, bleached or unbleached high-yield pulp such as mechanical pulp or thermomechanical pulp, used newspaper, used magazine, and used cardboard.
- bleached or unbleached chemical pulp such as kraft pulp or sulfide pulp, crushed wood pulp, bleached or unbleached high-yield pulp such as mechanical pulp or thermomechanical pulp, used newspaper, used magazine, and used cardboard.
- paper made of used paper pulp such as deinked used paper, a container made of paper, a molded body made of paper, and the like can be mentioned.
- Specific examples of paper products include food wrapping paper, gypsum board base paper, coated base paper, medium quality paper, general liner and core, neutral pure white roll paper, neutral liner, rustproof liner and metal interleaving paper, and kraft paper.
- the modified natural product can be applied to fibrous substrates (eg, textiles, etc.) by any of the methods known for treating textiles with liquids.
- the textile product is a cloth
- the cloth may be dipped in the solution, or the solution may be attached or sprayed on the cloth.
- the process may be an external addition process or an internal addition process.
- the textile product is paper, it may be coated on paper, a solution may be attached or sprayed on the paper, or it may be mixed with a pulp slurry before papermaking and treated.
- the process may be an external addition process or an internal addition process.
- the modified natural product may be applied to preformed textile products (especially paper, cloth, etc.) or at various stages of papermaking, for example during the drying period of the paper.
- the modified natural product may be applied to textile products by a cleaning method and may be applied to textile products by, for example, a washing application or a dry cleaning method.
- the fibrous base material may be leather.
- Aqueous or aqueous emulsification of modified natural products at various stages of leather processing eg, during the wet processing of the leather, or during the finishing of the leather, in order to make the leather hydrophobic and oleophobic. It may be applied from things to leather.
- the modified natural product can also be used as an external mold release agent.
- the surface of the substrate can be easily stripped from another surface (another surface on the substrate or a surface on another substrate).
- paper products there is a method of spraying a natural modification solution on a pulp mold and heating and drying it.
- a natural modification dispersed by an emulsifier or the like may be mixed with the pulp slurry solution, and dehydration molding and heating pressing may be performed.
- a cross-linking agent, a paper strength enhancer, a fixing agent and the like may be added to this pulp slurry.
- the paper may be immersed in a natural modified dispersion solution and dried by heating.
- cloth products there is a method of immersing or spraying the cloth in a natural modified dispersion solution, dehydrating the cloth, and then heating and drying the cloth.
- Treatment means applying the treatment agent to the object to be treated by dipping, spraying, coating, or the like.
- the modified natural product which is the active ingredient of the treatment agent, penetrates into the inside of the object to be treated and / or adheres to the surface of the object to be treated.
- the modified natural product can be suitably used as an additive for paper.
- Paper additives containing modified natural products can be used as water resistant agents, oil resistant agents, water repellent agents, and / or oil repellent agents.
- Paper additives are preferably in the form of solutions (particularly solutions of organic solvents), emulsions (particularly aqueous emulsions) or aerosols.
- Paper additives include modified natural products and media (eg, liquid media such as organic solvents and water).
- the paper additive is preferably an aqueous dispersion of modified natural products.
- the concentration of the modified natural product may be, for example, 0.01-50% by weight. Paper additives do not have to contain surfactants.
- the removal of the organic solvent contained in the paper additive can be performed by heating the modified natural product solution (preferably under reduced pressure) (for example, to 30 ° C. or higher, for example, 50 to 120 ° C.).
- Paper additives can be used to treat (eg, surface treat) paper substrates.
- the paper additive can be applied to the object to be treated by a conventionally known method.
- a method of dispersing and diluting a paper additive in an organic solvent or water, adhering it to the surface of the object to be treated by a known method such as dip coating, spray coating, foam coating, etc., and drying it is adopted.
- the paper base material of the object to be treated include paper, a container made of paper, and a molded product made of paper (for example, pulp mold).
- the modified natural products of the present disclosure adhere well to paper substrates.
- adhesion means a physical bond or a chemical bond. Oil-resistant paper is obtained by adhering the modified natural product to the paper substrate.
- parts,% or ratios represent parts by weight,% by weight or ratios by weight unless otherwise specified.
- LBKP broad-leaved bleached kraft pulp
- NBKP coniferous bleached kraft pulp
- a wetting paper strength agent and a sizing agent are added to this pulp slurry, and a paper with a paper density of 0.58 g / cm3 and a basis weight of 45 g / m2 is externally treated by a Nagami papermaking machine. Used as base paper for size press processing).
- the oil resistance (KIT value) of this base paper was 0, and the water resistance (Cobb value) was 52 g / m2.
- a polymer solution (chloroform, toluene, or acetone) of 14.9 mg / cm 3 was applied to this base paper with a baker-type applicator with a gap of 0 mil, and repeated drying was performed three times at 70 ° C. Treated paper was prepared by annealing for 10 minutes.
- KIT test oil resistance Measured by 3M kit test (TAPPI T-559cm-02).
- 3M kit test method a test oil containing castor oil, toluene, and heptane was placed on the surface of the treated paper, and when the test oil was wiped after 15 seconds, the evaluation was made based on the presence or absence of oil stains on the treated paper. The test was carried out with the test oils of kit numbers 1 to 6, and the maximum kit number in which no stain was observed was used as the evaluation result of oil resistance.
- Corn oil resistance evaluation When corn oil was placed on the surface of the treated paper and the test oil was wiped after 15 seconds, the evaluation was made based on the presence or absence of oil stains on the treated paper. When there is no stain, it is marked as " ⁇ ”, and when there is a stain, it is marked as " ⁇ ".
- Liquid repellent for the liquid repellency, a solution of a modified natural product having a solid content concentration of 1.0% was spin-coated on a glass substrate to which a cellophane film was attached, and the static contact angle was measured.
- the static contact angle was obtained by dropping 2 ⁇ L of hexadecane (HD) onto the coating film and measuring the contact angle 1 second after the drip.
- HD hexadecane
- the air permeability (air permeability resistance) of the air permeability treated paper is measured by JIS P8117 using an automatic denso meter (product No. 323-AUTO, ventilation hole diameter 28.6 ⁇ 0.1 mm) manufactured by Yasuda Seiki Seisakusho Co., Ltd. Measured according to (2009).
- substitution rate of the oil resistant agent was determined by 1 H NMR or elemental analysis.
- Example 1 A stirrer, 4.0 g of cellulose (20 ⁇ m Powder) and 4.0 g of LiCl were placed in a reaction vessel equipped with a reflux condenser and a nitrogen introduction tube, and dried under reduced pressure at 80 ° C. for 4 hours. 40 mL of dimethylformamide was added, and the mixture was stirred at 150 ° C. for 1 hour. Then, the temperature was returned to room temperature, and 0.1 g of dibutyltin dilaurate was added. The temperature was changed to 120 ° C., 22.2 g of octadecyl isocyanate (3 equivalents with respect to OH of the repeating unit) and 10 mL of dimethylformamide were added, and the mixture was stirred for 12 hours.
- Example 2 In a reaction vessel equipped with a reflux condenser and a nitrogen introduction tube, 1.6 g of hydroxypropyl cellulose (molecular weight 80,000) synthesized from a stirrer and cellulose is placed, and dried under reduced pressure at 80 ° C. for 4 hours. Add 25 mL of chloroform and stir at 60 ° C. for 1 hour. Then, 0.1 g of dibutyltin dilaurate is added, 4.4 g of octadecylisocyanate (3 equivalents with respect to OH of the repeating unit) and 5 mL of chloroform are added, and the mixture is stirred at 60 ° C. for 7 hours.
- hydroxypropyl cellulose molethoxypropyl cellulose (molecular weight 80,000) synthesized from a stirrer and cellulose is placed, and dried under reduced pressure at 80 ° C. for 4 hours.
- Example 3 As an oil resistant agent, cellulose acetate (1.14 eq modified product, substitution rate: 38%) synthesized from cellulose was used to evaluate liquid repellency, KIT test, corn oil resistance, and air permeability. The results are shown in Table 1.
- Comparative Example 1 Cellulose (20 ⁇ m Powder) was used as an oil resistant agent, and the liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated. The results are shown in Table 1.
- Example 4 To the reaction vessel, 5.0 g of a stirrer, polyglycerin (average molecular weight 500), 20 mL of pyridine, and 25 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of polyglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 289 s / 100 cc.
- Example 5 The same procedure as in Example 4 was carried out except that the octadecyl isocyanate was changed to 12 g. The substitution rate of this derivative was 54%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 232 s / 100 cc.
- Example 6 0.1 g of the derivative obtained in Example 5 was made into an emulsified solution with 0.1 g of polyoxyethylene oleyl ether and 9.8 g of water, and the same was applied.
- the liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 185 s / 100 cc.
- Example 7 The same procedure as in Example 4 was carried out except that the octadecyl isocyanate was changed to 6.3 g. The substitution rate of this derivative was 25%. The liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test, corn oil resistance ⁇ , and air permeability 231 s / 100 cc.
- Example 8 The same as in Example 4 was carried out except that the octadecyl isocyanate was changed to 6.2 g of octadecyl isocyanate and 4.5 g of dodecyl isocyanate. The substitution rate of this derivative was 100%.
- the liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 224 s / 100 cc.
- Example 9 To the reaction vessel, a stirrer, 2.5 g of polyglycerin (average molecular weight 750), 20 mL of pyridine, and 10.6 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of polyglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 286 s / 100 cc.
- Example 10 To the reaction vessel, a stirrer, 2.5 g of polyglycerin (average molecular weight 750), 20 mL of pyridine, and 0.89 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, the solvent was distilled off to obtain a derivative of polyglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 8%. The liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test, corn oil resistance ⁇ , and air permeability 277 s / 100 cc.
- Example 11 The compound obtained in Example 10 was applied as a 1% aqueous solution.
- the liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test, corn oil resistance ⁇ , and air permeability 269 s / 100 cc.
- Example 12 To the reaction vessel, a stirrer, 2.5 g of polyglycerin (average molecular weight 750), 20 mL of pyridine, and 0.44 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, the solvent was distilled off to obtain a derivative of polyglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 4%. This compound was applied as a 1% aqueous solution. The liquid repellency evaluation of this oil resistant agent was KIT test 3 points, corn oil resistance ⁇ , and air permeability 225 s / 100 cc.
- Example 13 To the reaction vessel, a stirrer, 0.46 g of glycerin, 10 mL of pyridine, and 4.4 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of glycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test and corn oil resistance ⁇ .
- Example 14 To the reaction vessel, a stirrer, 0.92 g of glycerin, 10 mL of pyridine, and 4.4 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of glycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 50%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test and corn oil resistance ⁇ .
- Example 15 To the reaction vessel, 1.7 g of diglycerin, 20 mL of pyridine and 11.8 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of diglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test and corn oil resistance ⁇ .
- Example 16 To the reaction vessel, 1.7 g of diglycerin, 20 mL of pyridine and 3.0 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecyl isocyanate by 1 H NMR, it was added dropwise to hexane to precipitate a solid. The solid precipitated by suction filtration was recovered to obtain a derivative of diglycerin modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 25%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test and corn oil resistance ⁇ .
- Example 17 To the reaction vessel, a stirrer, 0.5 g of maltitol, 15 mL of DMSO, and 4.0 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and water to obtain a derivative of maltitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 1243 s / 100 cc.
- Example 18 The same procedure as in Example 17 was carried out except that the octadecyl isocyanate was changed to 2.0 g, and a derivative obtained by modifying maltitol with octadecyl isocyanate was obtained. The substitution rate of this derivative was 60%.
- the liquid repellency evaluation of this oil resistant agent was KIT test 3 points, corn oil resistance ⁇ , and air permeability 400 s / 100 cc.
- Example 19 A stirrer, 1.8 g of sorbitol, 20 mL of DMF, and 18 g of octadecyl isocyanate were added to the reaction vessel, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and acetone to obtain a derivative of sorbitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 100%. The liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test and corn oil resistance ⁇ .
- Example 20 A stirrer, 1.8 g of sorbitol, 20 mL of DMF, and 8.9 g of octadecyl isocyanate were added to the reaction vessel, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and acetone to obtain a derivative of sorbitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 50%.
- the liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test, corn oil resistance ⁇ , and air permeability 729 s / 100 cc.
- Example 21 A stirrer, 1.8 g of sorbitol, 20 mL of DMF, and 4.4 g of octadecyl isocyanate were added to the reaction vessel, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and acetone to obtain a derivative of sorbitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 25%. The liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test, corn oil resistance ⁇ , and air permeability 449 s / 100 cc.
- Example 22 To the reaction vessel, a stirrer, 1.8 g of sorbitol, 20 mL of DMF, and 2.9 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and acetone to obtain a derivative of sorbitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 16%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test, corn oil resistance ⁇ , and air permeability 897 s / 100 cc.
- Example 23 A stirrer, 1.8 g of sorbitol, 20 mL of pyridine, and 9.1 g of C17H35COCl were added to the reaction vessel, and the mixture was stirred at 60 ° C. overnight. Washing with hexane and acetone gave a derivative of sorbitol modified with C17H35 ester as an oil resistant agent. The substitution rate of this derivative was 50%. The liquid repellency evaluation of this oil resistant agent was 4 points in the KIT test and corn oil resistance ⁇ .
- Example 24 To the reaction vessel, a stirrer, 1.8 g of mannitol, 20 mL of DMF, and 8.9 g of octadecyl isocyanate were added, 1 drop of dibutyltin dilaurate was added, and the mixture was stirred at 60 ° C. for 1 hour. 1 After confirming the disappearance of octadecylisocyanate by 1 H NMR, it was washed with hexane and acetone to obtain a derivative of mannitol modified with octadecyl isocyanate as an oil resistant agent. The substitution rate of this derivative was 50%. The liquid repellency evaluation of this oil resistant agent was 5 points in the KIT test and corn oil resistance ⁇ .
- Example 25 Add 0.40 g of stirrer, dextrin and 10 mL of DMSO to the reaction vessel and heat to 60 ° C. to dissolve the dextrin, then add 1 drop of dibutyltin dilaurate, 2.2 g of octadecyl isocyanate and 2 ml of CHCl3 and stir at 60 ° C. did. The solid was recovered with a poor solvent to obtain a derivative. The substitution rate of this derivative was 70%.
- the liquid repellency evaluation of this oil resistant agent was KIT test 3 points, corn oil resistance ⁇ , and air permeability 1281.7 s / 100 cc.
- Example 26 Liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated using decaglycerol tristearyl ester as an oil resistant agent.
- the HD contact angle of this oil resistant agent was 41.1 °, KIT test 4 points, corn oil resistance ⁇ , and air permeability 252.1 s / 100 cc.
- Example 27 Hexaglycerol tristearyl ester was used as an oil resistant agent, and the liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated.
- the HD contact angle of this oil resistant agent was 40.6 °, KIT test 4 points, corn oil resistance ⁇ , and air permeability 230.4 s / 100 cc.
- Example 28 Hexaglycerol pentastearyl ester was used as an oil resistant agent, and the liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated.
- the HD contact angle of this oil resistant agent was 41.9 °, KIT test 4 points, corn oil resistance ⁇ , and air permeability 230.6 s / 100 cc.
- Example 29 Liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated using decaglycerol heptabehenyl ester as an oil resistant agent.
- the HD contact angle of this oil resistant agent was 40.5 °, KIT test 5 points, corn oil resistance ⁇ , and air permeability 604.0 s / 100 cc.
- Example 30 Liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated using decaglycerol decavehenyl ester as an oil resistant agent.
- the HD contact angle of this oil resistant agent was 40.5 °, KIT test 5 points, corn oil resistance ⁇ , and air permeability 236.6 s / 100 cc.
- Example 31 Hexaglycerol monostearyl ester was used as an oil resistant agent, and the liquid repellency, KIT test, corn oil resistance, and air permeability were evaluated.
- the HD contact angle of this oil resistant agent was 41.1 °, KIT test 5 points, corn oil resistance ⁇ , and air permeability 237.6 s / 100 cc.
- Example 32 5.8 g of lanolin fatty acid was mixed with 30 ml of pyridine and heated to 50 ° C. 8.85 g of BOP reagent was added, and after 1 hour, 0.46 g of glycerin was added and heated overnight. The produced solid was washed with dilute hydrochloric acid and acetone, and suction filtration was performed to obtain a derivative of glycerin modified with lanolin fatty acid as an oil resistant agent. The substitution rate of this derivative was 100%. The oil resistance evaluation of this oil resistant agent was 3 points in the KIT test.
- Example 33 4.35 g of carboxylic acid-modified polyorganosiloxane (functional group equivalent 1,450 g / mol), 10 ml of pyridine, and 1.77 g of BOP reagent are stirred for 1 hour, 4.35 g of glycerin is added, and the temperature is 60 ° C. for one day. Stirred. After cooling, the product was extracted with chloroform and washed with water, and the solvent was distilled off. Derivatives modified with carboxylic acid-modified polyorganosiloxane were obtained. The substitution rate of this derivative was 100%. The oil resistance evaluation of this oil resistant agent was 3 points in the KIT test.
- Table 1 shows the results of Examples 1 to 33 and Comparative Examples 1 and 2.
- the modified natural product of the present disclosure can be used as an oil resistant agent, a water resistant agent, a water repellent agent, an oil repellent agent, an antifouling agent, a stain removing agent, a release agent or a mold release agent, and in particular, can be used as an oil resistant agent.
- the modified natural product is suitably used for applications requiring oil resistance, particularly for food applications such as food packaging materials and food containers.
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Abstract
Description
修飾天然物は、耐油剤として使用できる。
態様1:
少なくとも一つのヒドロキシ基を有する天然物のヒドロキシ基の水素原子が、R基で置換されている修飾天然物を含む耐油剤。
R基:-Y-Z
[式中、
Yは、直接結合、-C(=O)-、-C(=O)-NR’-又は-C(=S)-NR’-(R’は水素原子又は炭素数C1~C4のアルキル基である。)であり、
Zは、置換基を有していてもよい炭素数1~40の炭化水素基、又はポリシロキサンである。]
で示される基である。
態様2:
天然物が、澱粉以外の天然物である態様1に記載の耐油剤。
態様3:
天然物が、天然物そのままの化合物、あるいは天然物由来の化合物である態様1または2に記載の耐油剤。
態様4:
天然物が、単糖類または多糖類、グリセリン、ポリグリセリンである態様1~3のいずれかに記載の耐油剤。
態様5:
天然物が、高分子天然物および低分子天然物から選択された少なくとも1種であり、
高分子天然物が、セルロース、カードラン、プルラン、アルギン酸、カラギーナン、グアーガム、キチン、キトサン、ローカストビーンガム、カッパカラギーナン、イオタカラギーナン、ポリグリセリン、イソマルトデキストリン、ザンサンガム、ジェラガム、タマリンドシードガムおよびシクロアミロースから選択された少なくとも1種であり、
低分子天然物が、グルコース、スクロース、マンニトール、ソルビトール、ソルビタン、マルチトール、ステピオキシド、シクロデキストリン、グリセリン、メントール、キシリトール、グルコサミン、カテキン、アントシアニンおよびケルセチン、グルコン酸、リンゴ酸、キシロース、イノシトール、フィチン酸、メントール、スクラロース、フルクトース、マルトース、トレハロース、ラクトスクロース、エリスリトール、エリスリトール、アスコルビン酸、コウジ酸、コレステロール、バニリン、乳酸、酒石酸、クエン酸、およびクロロゲン酸から選択された少なくとも1種である態様1~4のいずれかに記載の耐油剤。
態様6:
ヒドロキシ基の水素原子のRによる置換率が3~100%である態様1~5のいずれかに記載の耐油剤。
態様7:
Zは、置換基を有していてもよい炭素数1~40の脂肪族炭化水素基、又はポリシロキサンであり、置換基が、水酸基、エステル基、R’3Si基、(R’O)3Si基、カルボキシル基、又はカルボキシル基の塩である(R’は水素原子又は炭素数C1~C4のアルキル基である。)態様1~6のいずれかに記載の耐油剤。
態様8:
耐油剤のn-ヘキサデカンの接触角が11度以上を示す態様1~7のいずれかに記載の耐油剤。
態様9:
修飾天然物の融点が40度以上もしくは存在しない態様1~8のいずれかに記載の耐油剤。
態様10:
耐油剤の溶液濃度14.8 mg/mLの粘度が5cP以上100cP以下であることを示す態様1~9のいずれかに記載の耐油剤。
態様11:
水分散組成物である態様1~10のいずれかに記載の耐油剤。
態様12:
紙用である態様1~11のいずれかに記載の耐油剤。
態様13:
態様1~12のいずれかに記載の耐油剤が付着した繊維製品。
態様14:
態様1~12のいずれかに記載の耐油剤を含む耐油紙。
態様15:
食品包装材または食品容器である態様14に記載の耐油紙。
態様16:
態様1~12のいずれかに記載の耐油剤で紙を外添処理または内添処理する処理方法。
-Y-Z
[式中、
Yは、直接結合、-C(=O)-、-C(=O)-NR’-又は-C(=S)-NR’-(R’は水素原子又は炭素数C1~C4のアルキル基である。)であり、
Zは、置換基を有していてもよい炭素数1~40の炭化水素基、又はポリシロキサンである。]
で示される基であることが好ましい。
置換基の例は、水酸基、エステル基、R’3Si基、(R’O)3Si基、カルボキシル基、又はカルボキシル基の塩である(R’のそれぞれは、独立に、水素原子又は炭素数C1~C4のアルキル基である。)。
Rはいずれか2つがお互いに結合して、環を形成してもよい。
修飾天然物(修飾天然化合物)は、天然物では存在しなかった-O-R基を有する。
修飾天然物(修飾天然物化合物)が-O-R基を2個以上含む場合は、-O-R基は同一でもよいし、異なる構造の-O-R基の組合せであってもよい。
Zは、炭素数1~40の炭化水素基、又は置換基を有する炭素数1~40の炭化水素基である。
Zは、炭素数1~3の炭化水素基であってよいが、炭素数4以上の分岐状炭化水素基又は長鎖炭化水素基(もしくは(長鎖の)直鎖状炭化水素基)、環状炭化水素基であることが好ましい。炭化水素基は、脂肪族炭化水素基、特に飽和の脂肪族炭化水素基、特別にアルキル基であることが好ましい。-CH3基は-CH2-に比べ表面自由エネルギーが低く撥液性を示しやすい。このため分岐が多く、-CH3基が多い構造が好ましい。また、一方で一定の長さの長鎖アルキル基はその結晶性由来の高い撥液性を示す。
カルボキシル基で置換されている炭化水素基は、式:-A-C(=O)-OH(Aは、直接結合または炭素数1~40又は1~10の炭化水素基、例えばアルキレン基)で示される基であることが好ましい。
カルボキシル基の塩で置換されている炭化水素基は、式:-A-C(=O)-OH(Aは、直接結合または炭素数1~40または1~10の炭化水素基、例えばアルキレン基)で示される基の塩であることが好ましい。
塩基としては、アンモニア、有機アミンまたはアルカリ金属水酸化物が好適に用いられる。
-B-[-Si(R21)2-O-]a-[-Si(R22)(R21)-O-]b-A
[式中、Aは、-Si(R21)3または-X1であり、
Bは、-[-(R24)-O-]q-R23-[-Si(R21)2-O-]p-(pおよびqは、0または1である。)であり、
X1は、酸素原子で中断されていてよく、エポキシ環、ヒドロキシ基、(メタ)アクリル基(またはアクリロイルオキシ基)および/またはカルボキシル基を有してよい炭素数1~20(または炭素数1~40)の直鎖または分岐の炭化水素基であり、
R21のそれぞれは、独立に、水素原子、炭素数1~20(または炭素数1~40)のアルキル基、炭素数6~20(または炭素数6~40)のアリール基または炭素数1~4のアルコキシ基を表し、
R22のそれぞれは、独立に、水素原子、炭素数1~20(または炭素数1~40)のアルキル基、炭素数6~20(または炭素数6~40)のアリール基または炭素数1~4のアルコキシ基を表し、
R23は、酸素原子で中断されていてよい炭素数1~20の炭化水素基を表し、
R24は、酸素原子で中断されていてよい炭素数1~20の炭化水素基を表し、
aは0以上の整数を表し、bは1以上の整数を表し、(a+b)は3~200である。]
で示される基であってよい。
pおよびqは、0または1である。pおよびqの両方が0であるかまたは1であることが好ましい。
-(R24)-O-(R23)-Si(R21)2-O-[-Si(R21)2-O-]a-[-Si(R22)(R21)-O-]b-Si(R21)3
または
-(R24)-O-(R23)-Si(R21)2-O-[-Si(R21)2-O-]a-[-Si(R22)(R21)-O-]b-X1
または
-R23-[-Si(R21)2-O-]a-[-Si(R22)(R21)-O-]b-Si(R21)3
または
-R23-[-Si(R21)2-O-]a-[-Si(R22)(R21)-O-]b-X1
[式中、X1は、酸素原子で中断されていてよく、エポキシ環、ヒドロキシ基、(メタ)アクリル基(またはアクリロイルオキシ基)および/またはカルボキシル基を有してよい炭素数1~20(または炭素数1~40)の直鎖または分岐の炭化水素基であり、
R21のそれぞれは、独立に、水素原子、炭素数1~20のアルキル基、炭素数6~20のアリール基または炭素数1~4のアルコキシ基を表し、
R22のそれぞれは、独立に、水素原子、炭素数1~20のアルキル基、炭素数6~20のアリール基または炭素数1~4のアルコキシ基を表し、
R23は炭素数1~20の炭化水素基を表し、
R24は炭素数1~20の炭化水素基を表し、
aは0以上の整数を表し、bは1以上の整数を表し、(a+b)は3~200である。]
で示される基であってよい。
R21およびR22は、炭素数1~40の炭化水素基であってもよい。
炭素数1~40の炭化水素基(例えば、t-ブチル基)、
酸素原子で中断されていている(すなわち、エーテル基を有する)炭素数1~40の炭化水素基、
エーテル基およびヒドロキシ基を有する炭素数1~40の炭化水素基、
エポキシ環を有する炭素数1~40の炭化水素基、
ヒドロキシ基(例えば1つまたは2つのヒドロキシ基)を有する炭素数1~40の炭化水素基、
(メタ)アクリル基(または(メタ)アクリロイルオキシ基)を有する炭素数1~40の炭化水素基、および
カルボキシル基を有する炭素数1~40の炭化水素基
である。
本明細書において、(メタ)アクリル基とは、アクリル基およびメタクリル基を意味する。
-(R3)2Si-O-[-Si(R1)2-O-]a-[-Si(R1)(R2)-O-]b-Si(R3)3
[式中、R1のそれぞれは、独立に、水素原子、炭素数1~20のアルキル基、炭素数6~20のアリール基または炭素数1~4のアルコキシ基を表し、
R2のそれぞれは、独立に、炭素数1~40の飽和の炭化水素基を表し、
R3のそれぞれは、独立に、水素原子、炭素数1~20のアルキル基、炭素数6~20のアリール基、炭素数1~4のアルコキシ基または炭素数1~40の飽和の炭化水素基を表し、
aは0以上の整数を表し、bは1以上の整数を表し、(a+b)は3~200である。]
で示される基であってよい。
炭素数1~20のアルキル基および炭素数6~20のアリール基(例えば、R21、R22、R1およびR3)の具体例は、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、ドデシル基、テトラデシル基、ヘキサデシル基、オクタデシル基;シクロペンチル基、シクロヘキシル基、シクロヘプチル基;フェニル基、トリル基、ナフチル基、又はこれらの基に結合する水素原子の一部又は全部がハロゲン原子、アミノ基、シアノ基等で置換された基等が挙げられる。R21、R22、R1およびR3は、メチル基またはエチル基であることが好ましい。
R21、R22、R1およびR3は、炭素数3~22のアルキル基または炭素数8~40の不飽和炭化水素基(例えば芳香族環を有する炭化水素基)を有していてもよいが、これら基を有しないことが好ましい。
R21、R22、R1およびR3において、炭素数1~4のアルコキシ基は、直鎖状であっても分岐状であってもよい。炭素数1~4のアルコキシ基の例は、メトキシ基、エトキシ基、プロポキシ基、ブトキシ基である。
ポリシロキサン基における炭素数1~40の炭化水素基については、Zが炭素数1~40の炭化水素基である場合の説明と同様の説明を行うことができる。
炭化水素基の炭素数は、7~40、例えば18~38又は23~36であってよい。炭素数1~40の飽和の炭化水素基は、直鎖又は分岐であってよく、アルキル基であることが好ましい。炭素数1~40の飽和の炭化水素基の具体例は、メチル基(炭素数1)、エチル基(炭素数2)、ラウリル基(炭素数12)、ステアリル基(炭素数18)、トリコシル基(炭素数23)、リグノセリル基(テトラコシル基、炭素数24)、セロチル基(ヘキサコシル基、炭素数26)、モンチル基(オクタコシル基、炭素数28)、メリシル基(トリアコンタン基、炭素数30)、ドトリアコンタン基(炭素数32)である。
R1とR2基とR3基の合計の50モル%以上がメチル基であることが好ましい。
aまたはbによって括られる繰り返し単位の存在順序は、化学式で表示した存在順序に限定されず、任意である。すなわち、ポリシロキサン基は、ランダム重合体であっても、あるいはブロック重合体であってもよい。
天然物は低分子(例えば重量平均分子量1000未満、又は500以下)および/または高分子であってもよい。高分子の重量平均分子量は、1000以上、3000以上、5000以上、10000以上、30000以上、100000以上、300000以上、500000以上であってよい。高分子の重量平均分子量は、1000000以下、7500000以下、500000以下、3000000以下、100000以下、75000以下、50000以下であってよい。重量平均分子量は、ゲルパーミェーションクロマトグラフ(GPC)にて、プルラン換算で、測定できる。
天然物は、高分子天然物、低分子天然物またはこれらの誘導体であってよい。天然物の中に微生物から変換された化合物も含む。
低分子天然物の例としては、グルコース、スクロース、マンニトール、ソルビトール、ソルビタン、マルチトール、ステピオキシド、シクロデキストリン、グリセリン、メントール、キシリトール、グルコサミン、カテキン、アントシアニン、ケルセチン、グルコン酸およびリンゴ酸、キシロース、イノシトール、フィチン酸、メントール、スクラロース、フルクトース、マルトース、トレハロース、ラクトスクロース、エリスリトール、エリスリトール、アスコルビン酸、コウジ酸、コレステロール、バニリン、乳酸、酒石酸、クエン酸、クロロゲン酸が挙げられる。
天然物の誘導体は、耐油性が高い場合に、修飾を行わずに、耐油剤として使用できる。すなわち、天然物の誘導体は、修飾天然物(修飾天然化合物)であってよい。
式:
[式中、少なくとも1つのR基は-Y-Z基であり、残りのR基は水素原子である。3つのR基の全てが-Y-Z基であってよい。Y基およびZ基は、上記と同意義である。
nは、2以上、例えば100以上または500以上の数である。]
で示される繰り返し構造を有する。
アルジトールは、アルドースのアルデヒド基が還元されてヒドロキシメチル基になった単糖類であり、炭素数3以上(炭素数の上限は一般に100、20または10)の単糖類である。アルジトールの具体例としては、エリトリトール、トレイトール、リビトール、アラビニトール、キシリトール、アラビニトール、アリトール、アルトリトール、ソルビトール(グルシトール)、マンニトール、ソルビトール(グルシトール)、イジトール、ガラクチトール、およびアルトリトールが挙げられる。
ケトースは、鎖状構造(炭素数の上限は一般に100、20または10)の内部にケト基(ケトン性カルボニル基)を1つ含む単糖類である。ケトースの具体例(炭素数3~6の具体例)としては、ジヒドロキシアセトン、エリトルロース、リブロース、キシルロース、プシコース、フルクトース、ソルボースおよびタガトースが挙げられる。
フラノースは、4つの炭素原子と1つの酸素原子によって構成されている五員環を有する単糖類である。フラノースの具体例としては、エリトロフラノース、トレオフラノース、リボフラノース、アラビノフラノース、キシロフラノースおよびリキソフラノースが挙げられる。
修飾剤は、炭化水素基を有する化合物、特に脂肪族炭化水素基を有する化合物であることが好ましい。修飾剤の例は、次のとおりである。
脂肪族イソシアネートおよび/または芳香族イソシアネート(Z-N=C=O)、
脂肪族イソチオシアネートおよび/または芳香族イソチオシアネート(Z-N=C=S)、
脂肪酸(Z-C(=O)-OH)、
酸ハロゲン化合物(Z-C(=O)-X)、
酸無水物(Z-[C=O]-O-[C=O]-Z)、
ハロゲン化アルキル化合物(Z-X)、
エポキシ化合物(Z-CHOCH2)、
アクリル酸エステル(Z-CH2=CH)、
アミン(Z-NH2)、
脂肪族アルコール(Z-OH)、
[式中、Xは、ハロゲン原子(例えば、塩素原子、臭素原子またはヨウ素原子)、
Zは、置換基を有していてもよい炭素数1~40の炭化水素基、又はポリシロキサンである。]
脂肪族イソシアネートおよび/または芳香族イソシアネート(Z-NCO)をヒドロキシ基と反応させて、ウレタン結合を形成する。イソシアネートに代えて又は加えて、脂肪族イソチオシアネートおよび/または芳香族イソチオシアネート(Z-N=C=S)を使用してよい。
脂肪族イソシアネートは、CnH2n+1-NCO(n=1~40、特に3~18)で示される化合物であることが好ましい。脂肪族炭化水素基は、直鎖または分岐であってよい。
ブテニルイソシアネート、ペンテニルイソシアネート、ヘキセニルイソシアネート、オクテニルイソシアネート、ドデセニルイソシアネート等の不飽和脂肪族イソシアネートが挙げられる。
脂肪族イソチオシアネートは、CnH2n+1-NSO(n=1~40、特に3~18)で示される化合物であることが好ましい。脂肪族炭化水素基は、直鎖または分岐であってよい。
ブテニルイソチオシアネート、ペンテニルイソチオシアネート、ヘキセニルイソチオシアネート、オクテニルイソチオシアネート、ドデセニルイソチオシアネート等の不飽和脂肪族イソシアネートが挙げられる。
脂肪酸(Z-C(=O)-OH)、酸ハロゲン化合物(Z-C(=O)-X)、酸無水物(Z-[C=O]-O-[C=O]-Z)をヒドロキシ基と反応させて、エステル結合を形成する。
飽和脂肪酸の具体例は、炭素数2~26の飽和脂肪酸であり、例えば、酢酸、酪酸、カプロン酸、エナント酸、カプリル酸、ペラルゴン酸、カプリン酸、ウンデカン酸、ラウリン酸、トリデカン酸、ミリスチン酸、ペンタデカン酸、パルミチン酸、マルガリン酸、ステアリン酸、イソステアリン酸、ノナデカン酸、アラキジン酸、ヘンイコサン酸、ベヘン酸である。
酸ハロゲン化合物は、CnH2n+1-CO-X(n=1~39、X=Br、Cl、I)で示される化合物であることが好ましい。脂肪族炭化水素基は、直鎖または分岐であってよい。
ハロゲン化アルキル化合物(Z-X)またはエポキシ化合物(Z-CHOCH2)をヒドロキシ基と反応させて、エーテル結合を形成する。
天然物のヒドロキシ基の水素原子をアルキル基で置換する合成法には、ヒドロキシ基含有天然物を、ハロゲン化アルキル化合物のアルカリ性水溶液(例えば、水酸化ナトリウム、水酸化カリウム)と反応させる方法、又は塩基性化合物とハロゲン化アルキルを溶解した有機溶媒中で反応させる方法が挙げられる。これにより、ヒドロキシ基の水素原子がアルキル基に置換される。
ハロゲン化アルキル化合物の具体例としては、ハロゲン化メチル、ハロゲン化エチル、ハロゲン化プロピル、ハロゲン化ブチル、ハロゲン化ペンチル、ハロゲン化ヘキシル、ハロゲン化ヘプチル、ハロゲン化オクチル、ハロゲン化ノニル、ハロゲン化デシル、ハロゲン化ウンデシル、ハロゲン化ドデシル、ハロゲン化トリデシル、ハロゲン化テトラデシル、ハロゲン化ペンタデシル、ハロゲン化ヘキサデシル、ハロゲン化ヘプタデシル、ハロゲン化オクタデシル、ハロゲン化ノナデシル、ハロゲン化イコシル、ハロゲン化ヘンイコシル、ハロゲン化ドコシル、ハロゲン化トリコシル等が挙げられる。
エポキシ化合物は、3員環エーテル構造を1つ有する単官能エポキシ化合物であることが好ましい。エポキシ化合物の具体例には、エチレンオキシド、プロピレンオキシド、1-ブテンオキシド、2-ブテンオキシド、ステアリルグリシジルエーテル、セチルグリシジルエーテル等が挙げられる。
天然物のヒドロキシ基の水素原子がR以外のイオン性を有する置換基で置換されていてもよい。イオン供与基は、アニオン性基及び/又はカチオン性基である。
処理剤(耐油剤)は、修飾天然物を含んでなる。耐油剤は、耐油性を有し、さらに耐水性、撥水性、撥油性を有してよい。耐油剤は修飾天然物に加えて、液状媒体(水、有機溶媒又はこれらの混合溶液)を含んでよい。耐油剤は、さらに、界面活性剤、ブロックイソシアネート化合物及び添加剤から選択される少なくとも一種を含んでいてよい。
耐油剤は、界面活性剤(乳化剤)又は分散剤を含有しなくてもよいし、あるいは含有していてもよい。一般に、ヒドロキシル基の置換反応中の粒子の安定化、反応後の水分散体の安定化のために、反応時に界面活性剤又は分散剤を少量(例えば、天然物100重量部に対して0.01~100重量部又は0.01~50重量部、例えば、0.1~15重量部)で添加してよく、又は、反応後に界面活性剤又は分散剤を添加してよい。
界面活性剤又は分散剤の量は、天然物(又は修飾天然物)の合計100重量部に対して100重量部以下、50重量部以下、25重量部以下、15重量部以下、10重量部以下、7.5重量部以下、5重量部以下、又は2.5重量部以下であってよい。一般に界面活性剤又は分散剤を添加すると、水分散体の安定性や布への浸透性は向上する。
耐油剤は、ブロックイソシアネート化合物を含有しなくてもよいし、あるいは含有していてもよい。ブロックイソシアネート化合物はヒドロキシル基の置換反応前に添加されてもよいし、反応後(例えば、キュアリング工程前)に添加されてもよい。
耐油剤は、添加剤を含有してもよい。添加剤の例は、バインダー樹脂、分散剤、耐水剤、耐油剤、撥水剤、撥油剤、乾燥速度調整剤、架橋剤、造膜助剤、相溶化剤、凍結防止剤、粘度調整剤、紫外線吸収剤、酸化防止剤、pH調整剤、消泡剤、風合い調整剤、すべり性調整剤、帯電防止剤、親水化剤、抗菌剤、防腐剤、防虫剤、芳香剤、難燃剤、サイズ剤、紙力増強剤である。添加剤の量は、修飾天然物100重量部に対して、0.1~20重量部、例えば0.1~10重量部であってよい。
修飾天然物(または耐油剤)についてn-ヘキサデカンの接触角(ガラス基板上)は5°以上、10°以上、11°以上、12°以上又は15°以上、好ましくは、20°以上、25°以上、又は30°以上、さらに好ましくは、35°以上、40°以上、又は45°以上であってよい。n-ヘキサデカンの接触角が上記範囲にあることで耐油剤が撥液性に優れ、特に耐油性の観点等から好ましい。
耐油剤の融点が上記範囲にあることで繊維製品に処理した際の被覆性や温度に対する耐性が向上し、特に耐油性の観点等から好ましい。
修飾天然物は、耐油剤、耐水剤、撥水剤、撥油剤、防汚剤、汚れ脱離剤、剥離剤又は離型剤等の各種剤又はその成分として使用できる。修飾天然物は、外的処理剤(表面処理剤)又は内的処理剤又はその成分として使用できる。
あるいはパルプスラリー溶液に乳化剤などによって分散した天然修飾物を混合し、脱水成形、加熱プレスを行ってもよい。このパルプスラリーには架橋剤、紙力増強剤、定着剤などを添加してよい。
あるいは、天然修飾物分散溶液中に紙を浸漬、加熱乾燥させてもよい。
布製品の場合、天然修飾物分散溶液中に布を浸漬あるいは噴霧し、脱水後加熱乾燥させる方法がある。
修飾天然物は紙用添加剤に好適に用いることができる。修飾天然物を含む紙用添加剤は耐水剤、耐油剤、撥水剤、及び/又は撥油剤として用いることができる。紙用添加剤は、溶液(特に、有機溶媒の溶液)、エマルション(特に、水系エマルション)又はエアゾールの形態であることが好ましい。紙用添加剤は、修飾天然物及び媒体(例えば、有機溶媒及び水などの液状媒体)を含んでなる。紙用添加剤は、修飾天然物の水分散体であることが好ましい。紙用添加剤において、修飾天然物の濃度は、例えば、0.01~50重量%であってよい。紙用添加剤は、界面活性剤を含まなくてよい。
木材パルプとして、LBKP(広葉樹さらしクラフトパルプ)とNBKP(針葉樹さらしクラフトパルプ)の重量比率が、60重量%と40重量%で、かつ、パルプのろ水度が400ml(Canadian Standard Freeness)の
パルプスラリーを調製し、このパルプスラリーに湿潤紙力剤、サイズ剤を添加して長網抄紙機により、紙密度が0.58g/cm3の坪量45g/m2の紙を外添処理(サイズプレス処理)の原紙として使用した。この原紙の耐油性(KIT値)は0、耐水性(Cobb値)は52g/m2であった。
この原紙に対して、14.9 mg/cm3のポリマー溶液(クロロホルム又はトルエン又はアセトン)を、ギャップを0milの設定したベーカー式アプリケータ―で塗工し乾燥を繰り返す操作を三回行い、70℃で10分アニールすることで、処理紙を作成した。
3Mキットテスト(TAPPI T-559cm-02)により測定した。3Mキットテスト法は、ヒマシ油、トルエン、ヘプタンが配合された試験油を処理紙の表面におき、15秒後に試験油を拭った際、処理紙への油染みの有無により評価した。キット番号1~6の試験油にて試験を実施し、染みが見られなかった最大のキット番号を耐油性の評価結果とした。
コーン油を処理紙の表面におき、15秒後に試験油を拭った際、処理紙への油染みの有無により評価した。染みがない場合を「〇」、染みが見られるときを「×」とした。
撥液性は、修飾天然物の固形分濃度1.0%の溶液をセロファンフィルムを貼付したガラス基板上にスピンコートし、静的接触角を測定した。静的接触角は、塗膜上に、2μLのヘキサデカン(HD)を滴下し、着滴1秒後の接触角を測定して得られた。
処理紙の透気度(透気抵抗度)を、株式会社安田精機製作所製の自動ガーレー式デンソーメーター(製品No.323-AUTO、通気孔径直径28.6±0.1mm)を用いてJIS P8117(2009)に準拠して測定した。
耐油剤の置換率は1H NMRあるいは元素分析によって求めた。
還流冷却器及び窒素導入管を備えた反応容器に、攪拌子、セルロース(20μm Powder)4.0g、LiCl 4.0gを入れ、80℃で4時間減圧乾燥を行った。ジメチルホルムアミド 40mLを加え、150℃で1時間攪拌した。その後、室温の戻し、ジラウリン酸ジブチルすず 0.1gを加えた。温度を120℃に変更し、オクタデシルイソシアネート 22.2g(繰り返し単位のOHに対して3当量)とジメチルホルムアミド10mLを加え、12時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、反応容器を室温まで冷却し、反応混合液を水に滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、メタノールで1回洗浄、アセトンで1回洗浄する。回収した固体を良溶媒としてクロロホルム、貧溶媒としてヘキサンを用いて再沈殿を行い、耐油剤としてセルロースをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この誘導体を用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。結果を表1に示す。
還流冷却器及び窒素導入管を備えた反応容器に、攪拌子、セルロースから合成されたヒドロキシプロピルセルロース(分子量80,000)1.6gを入れ、80℃で4時間減圧乾燥を行う。クロロホルム 25mLを加え、60℃で1時間攪拌する。その後、ジラウリン酸ジブチルすず 0.1gを加え、オクタデシルイソシアネート 4.4g(繰り返し単位のOHに対して3当量)とクロロホルム5mLを加え、60℃で7時間攪拌する。1H NMRにてオクタデシルイソシアネートの消失を確認した後、反応容器を室温まで冷却し、反応混合物をロータリーエバポレータ―で濃縮し、酢酸エチルを貧溶媒として再沈殿を行い、耐油剤としてヒドロキシプロピルセルロースをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この誘導体を用いて撥液性、KIT試験、コーン油耐性、透気度を評価した。結果を表1に示す。
耐油剤として、セルロースから合成された酢酸セルロース(1.14 eq修飾体、置換率:38%)を用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。結果を表1に示す。
耐油剤として、セルロース(20μm Powder)を用いて撥液性、KIT試験、コーン油耐性、透気度を評価した。結果を表1に示す。
耐油剤として、ポリグリセリン(平均分子量500)を用いて撥液性を評価したところ、KIT試験0点、コーン油耐性×、透気度136s/100ccであった。
反応容器に、攪拌子、ポリグリセリン(平均分子量500) 5.0g、ピリジン 20mL、オクタデシルイソシアネート25gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてポリグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度289s/100ccであった。
オクタデシルイソシアネートを12gに変更した以外は実施例4と同様にした。
この誘導体の置換率は54%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度232s/100ccであった。
実施例5で得られた誘導体0.1gをポリオキシエチレンオレイルエーテル0.1gと水9.8gで乳化液とし、同様に塗布した。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度185s/100ccであった。
オクタデシルイソシアネートを6.3gに変更した以外は実施例4と同様にした。
この誘導体の置換率は25%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇、透気度231s/100ccであった。
オクタデシルイソシアネートを、オクタデシルイソシアネート6.2g、ドデシルイソシアネート4.5gに変更した以外は実施例4と同様にした。
この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度224s/100ccであった。
反応容器に、攪拌子、ポリグリセリン(平均分子量750) 2.5g、ピリジン 20mL、オクタデシルイソシアネート10.6gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてポリグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度286s/100ccであった。
反応容器に、攪拌子、ポリグリセリン(平均分子量750) 2.5g、ピリジン 20mL、オクタデシルイソシアネート0.89gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、溶媒を留去し、耐油剤としてポリグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は8%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇、透気度277s/100ccであった。
実施例10で得られた化合物を1%水溶液として塗布した。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇、透気度269s/100ccであった。
反応容器に、攪拌子、ポリグリセリン(平均分子量750) 2.5g、ピリジン 20mL、オクタデシルイソシアネート0.44gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、溶媒を留去し、耐油剤としてポリグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は4%であった。
この化合物を1%水溶液として塗布した。この耐油剤の撥液性評価は、KIT試験3点、コーン油耐性〇、透気度225s/100ccであった。
反応容器に、攪拌子、グリセリン0.46g、ピリジン 10mL、オクタデシルイソシアネート4.4gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇であった。
反応容器に、攪拌子、グリセリン0.92g、ピリジン 10mL、オクタデシルイソシアネート4.4gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は50%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇であった。
反応容器に、攪拌子、ジグリセリン1.7g、ピリジン 20mL、オクタデシルイソシアネート11.8gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてジグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇であった。
反応容器に、攪拌子、ジグリセリン1.7g、ピリジン 20mL、オクタデシルイソシアネート3.0gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンに滴下し、固体を析出させた。吸引濾過にて析出した固体を回収し、耐油剤としてジグリセリンをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は25%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇であった。
反応容器に、攪拌子、マルチトール0.5g、DMSO 15mL、オクタデシルイソシアネート4.0gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンと水で洗浄し、耐油剤としてマルチトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度1243s/100ccであった。
オクタデシルイソシアネートを2.0gに変更した以外は実施例17と同様にし、マルチトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は60%であった。この耐油剤の撥液性評価は、KIT試験3点、コーン油耐性〇、透気度400s/100ccであった。
反応容器に、攪拌子、ソルビトール1.8g、DMF20mL、オクタデシルイソシアネート18gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンとアセトンで洗浄し、耐油剤としてソルビトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇であった。
反応容器に、攪拌子、ソルビトール1.8g、DMF20mL、オクタデシルイソシアネート8.9gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンとアセトンで洗浄し、耐油剤としてソルビトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は50%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇、透気度729s/100ccであった。
反応容器に、攪拌子、ソルビトール1.8g、DMF20mL、オクタデシルイソシアネート4.4gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンとアセトンで洗浄し、耐油剤としてソルビトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は25%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇、透気度449s/100ccであった。
反応容器に、攪拌子、ソルビトール1.8g、DMF20mL、オクタデシルイソシアネート2.9gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンとアセトンで洗浄し、耐油剤としてソルビトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は16%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇、透気度897s/100ccであった。
反応容器に、攪拌子、ソルビトール1.8g、ピリジン20mL、C17H35COCl 9.1gを加え、60℃で一晩攪拌した。ヘキサンとアセトンで洗浄し、耐油剤としてソルビトールをC17H35エステル修飾した誘導体を得た。
この誘導体の置換率は50%であった。この耐油剤の撥液性評価は、KIT試験4点、コーン油耐性〇であった。
反応容器に、攪拌子、マンニトール1.8g、DMF20mL、オクタデシルイソシアネート8.9gを加え、ジラウリン酸ジブチルすず 1滴を加え、60℃で1時間攪拌した。1H NMRにてオクタデシルイソシアネートの消失を確認した後、ヘキサンとアセトンで洗浄し、耐油剤としてマンニトールをオクタデシルイソシアネートで修飾した誘導体を得た。この誘導体の置換率は50%であった。この耐油剤の撥液性評価は、KIT試験5点、コーン油耐性〇であった。
反応容器に、攪拌子、デキストリン 0.40g、DMSO10mLを加え60℃に加熱し、デキストリンを溶解させた後、ジラウリン酸ジブチルすず 1滴、オクタデシルイソシアネート2,2gとCHCl3 2 ml加え、60℃で攪拌した。貧溶媒で固体を回収し、誘導体を得た。この誘導体の置換率は70%であった。この耐油剤の撥液性評価は、KIT試験3点、コーン油耐性〇、透気度1281.7s/100ccであった。
耐油剤として、デカグリセロールトリステアリルエステルを用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は41.1°、KIT試験4点、コーン油耐性〇、透気度252.1s/100ccであった。
耐油剤として、ヘキサグリセロールトリステアリルエステルを用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は40.6°、KIT試験4点、コーン油耐性〇、透気度230.4s/100ccであった。
耐油剤として、ヘキサグリセロールペンタステアリルエステルを用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は41.9°、KIT試験4点、コーン油耐性〇、透気度230.6s/100ccであった。
耐油剤として、デカグリセロールヘプタベヘニルエステルを用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は40.5°、KIT試験5点、コーン油耐性〇、透気度604.0s/100ccであった。
耐油剤として、デカグリセロールデカベヘニルエステル を用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は40.5°、KIT試験5点、コーン油耐性〇、透気度236.6s/100ccであった。
耐油剤として、ヘキサグリセロールモノステアリルエステルを用いて、撥液性、KIT試験、コーン油耐性、透気度を評価した。この耐油剤のHD接触角は41.1°、KIT試験5点、コーン油耐性〇、透気度237.6s/100ccであった。
ラノリン脂肪酸5.8gをピリジン30mlに混合し、50℃に加熱した。BOP試薬8.85gを加え、1時間後、グリセリン0.46gを加え、一晩加熱した。生成した固体を希塩酸とアセトンで洗浄し、吸引濾過により耐油剤としてグリセリンをラノリン脂肪酸で修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の耐油性評価は、KIT試験3点であった。
カルボン酸変性ポリオルガノシロキサン(官能基当量1,450g/mol)4.35 g、ピリジン10 ml、BOP試薬1.77 gを1時間攪拌し、グリセリン4.35 gを入れ、60℃で一日攪拌した。冷却後生成物をクロロホルムで抽出水洗し、溶媒を留去した。カルボン酸変性ポリオルガノシロキサンで修飾した誘導体を得た。この誘導体の置換率は100%であった。この耐油剤の耐油性評価は、KIT試験3点であった。
Claims (16)
- 少なくとも一つのヒドロキシ基を有する天然物のヒドロキシ基の水素原子が、R基で置換されている修飾天然物を含む耐油剤。
R基:-Y-Z
[式中、
Yは、直接結合、-C(=O)-、-C(=O)-NR’-又は-C(=S)-NR’-(R’は水素原子又は炭素数C1~C4のアルキル基である。)であり、
Zは、置換基を有していてもよい炭素数1~40の炭化水素基、又はポリシロキサンである。]
で示される基である。 - 天然物が、澱粉以外の天然物である請求項1に記載の耐油剤。
- 天然物が、天然物そのままの化合物、あるいは天然物由来の化合物である請求項1または2に記載の耐油剤。
- 天然物が、単糖類または多糖類、グリセリン、ポリグリセリンである請求項1~3のいずれかに記載の耐油剤。
- 天然物が、高分子天然物および低分子天然物から選択された少なくとも1種であり、
高分子天然物が、セルロース、カードラン、プルラン、アルギン酸、カラギーナン、グアーガム、キチン、キトサン、ローカストビーンガム、カッパカラギーナン、イオタカラギーナン、ポリグリセリン、イソマルトデキストリン、ザンサンガム、ジェラガム、タマリンドシードガムおよびシクロアミロースから選択された少なくとも1種であり、
低分子天然物が、グルコース、スクロース、マンニトール、ソルビトール、ソルビタン、マルチトール、ステピオキシド、シクロデキストリン、グリセリン、メントール、キシリトール、グルコサミン、カテキン、アントシアニンおよびケルセチン、グルコン酸、リンゴ酸、キシロース、イノシトール、フィチン酸、メントール、スクラロース、フルクトース、マルトース、トレハロース、ラクトスクロース、エリスリトール、エリスリトール、アスコルビン酸、コウジ酸、コレステロール、バニリン、乳酸、酒石酸、クエン酸、およびクロロゲン酸から選択された少なくとも1種である請求項1~4のいずれかに記載の耐油剤。 - ヒドロキシ基の水素原子のRによる置換率が3~100%である請求項1~5のいずれかに記載の耐油剤。
- Zは、置換基を有していてもよい炭素数1~40の脂肪族炭化水素基、又はポリシロキサンであり、置換基が、水酸基、エステル基、R’3Si基、(R’O)3Si基、カルボキシル基、又はカルボキシル基の塩である(R’のそれぞれは、独立に、又は炭素数C1~C4のアルキル基である。)請求項1~6のいずれかに記載の耐油剤。
- 耐油剤のn-ヘキサデカンの接触角が10度以上を示す請求項1~7のいずれかに記載の耐油剤。
- 修飾天然物の融点が40度以上もしくは存在しない請求項1~8のいずれかに記載の耐油剤。
- 耐油剤の溶液濃度14.8 mg/mLの粘度が5cP以上100cP以下であることを示す請求項1~9のいずれかに記載の耐油剤。
- 水分散組成物である請求項1~10のいずれかに記載の耐油剤。
- 紙用である請求項1~11のいずれかに記載の耐油剤。
- 請求項1~12のいずれかに記載の耐油剤が付着した繊維製品。
- 請求項1~12のいずれかに記載の耐油剤を含む耐油紙。
- 食品包装材または食品容器である請求項14に記載の耐油紙。
- 請求項1~12のいずれかに記載の耐油剤で紙を外添処理または内添処理する処理方法。
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| KR1020257017627A KR20250084980A (ko) | 2020-09-24 | 2021-09-22 | 수식 천연물 및 그 용도 |
| JP2022552042A JP7741404B2 (ja) | 2020-09-24 | 2021-09-22 | 修飾天然物およびその用途 |
| KR1020237003163A KR102902219B1 (ko) | 2020-09-24 | 2021-09-22 | 수식 천연물 및 그 용도 |
| CN202510445012.3A CN120291397A (zh) | 2020-09-24 | 2021-09-22 | 改性天然物及其用途 |
| CN202180057302.0A CN116096824B (zh) | 2020-09-24 | 2021-09-22 | 改性天然物及其用途 |
| EP21872511.7A EP4219638A4 (en) | 2020-09-24 | 2021-09-22 | Modified natural material and use thereof |
| US18/188,110 US20230220217A1 (en) | 2020-09-24 | 2023-03-22 | Modified natural material and use thereof |
| JP2025062437A JP2025096398A (ja) | 2020-09-24 | 2025-04-04 | 修飾天然物およびその用途 |
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| WO2024185687A1 (ja) | 2023-03-03 | 2024-09-12 | ダイキン工業株式会社 | 含フッ素化合物 |
| WO2024185688A1 (ja) | 2023-03-03 | 2024-09-12 | ダイキン工業株式会社 | 含フッ素重合体 |
| WO2024185707A1 (ja) | 2023-03-03 | 2024-09-12 | ダイキン工業株式会社 | 含フッ素化合物 |
| WO2024203476A1 (ja) * | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
| WO2024203467A1 (ja) * | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
| WO2024203478A1 (ja) * | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
| WO2024203477A1 (ja) | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
| WO2024203464A1 (ja) * | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
| JP2024137715A (ja) * | 2023-03-24 | 2024-10-07 | ダイキン工業株式会社 | 撥剤 |
| WO2025004962A1 (ja) * | 2023-06-27 | 2025-01-02 | ダイキン工業株式会社 | 撥剤 |
| JP2025083906A (ja) * | 2023-11-21 | 2025-06-02 | ダイキン工業株式会社 | パルプ組成物 |
| WO2025159198A1 (ja) * | 2024-01-24 | 2025-07-31 | ダイキン工業株式会社 | 耐油剤 |
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| WO2024143275A1 (ja) | 2022-12-26 | 2024-07-04 | ダイキン工業株式会社 | 撥水耐油剤、繊維製品および繊維製品の製造方法 |
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| WO2024185688A1 (ja) | 2023-03-03 | 2024-09-12 | ダイキン工業株式会社 | 含フッ素重合体 |
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| WO2024203477A1 (ja) | 2023-03-24 | 2024-10-03 | ダイキン工業株式会社 | 撥剤 |
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| WO2025004962A1 (ja) * | 2023-06-27 | 2025-01-02 | ダイキン工業株式会社 | 撥剤 |
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| WO2025159198A1 (ja) * | 2024-01-24 | 2025-07-31 | ダイキン工業株式会社 | 耐油剤 |
| JP2025114516A (ja) * | 2024-01-24 | 2025-08-05 | ダイキン工業株式会社 | 耐油剤 |
Also Published As
| Publication number | Publication date |
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| TW202233696A (zh) | 2022-09-01 |
| KR20230029935A (ko) | 2023-03-03 |
| JP7741404B2 (ja) | 2025-09-18 |
| US20230220217A1 (en) | 2023-07-13 |
| JPWO2022065382A1 (ja) | 2022-03-31 |
| JP2025096398A (ja) | 2025-06-26 |
| CN116096824B (zh) | 2025-04-29 |
| KR20250084980A (ko) | 2025-06-11 |
| CN120291397A (zh) | 2025-07-11 |
| CN116096824A (zh) | 2023-05-09 |
| EP4219638A1 (en) | 2023-08-02 |
| TWI883268B (zh) | 2025-05-11 |
| EP4219638A4 (en) | 2025-03-19 |
| KR102902219B1 (ko) | 2025-12-23 |
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