WO2015118952A1 - 新規化合物及びそれを含有してなるエポキシ樹脂組成物 - Google Patents
新規化合物及びそれを含有してなるエポキシ樹脂組成物 Download PDFInfo
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- WO2015118952A1 WO2015118952A1 PCT/JP2015/051613 JP2015051613W WO2015118952A1 WO 2015118952 A1 WO2015118952 A1 WO 2015118952A1 JP 2015051613 W JP2015051613 W JP 2015051613W WO 2015118952 A1 WO2015118952 A1 WO 2015118952A1
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- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
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- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
- C07D233/58—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
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- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
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- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/08—Radicals containing only hydrogen and carbon atoms
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- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/06—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
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- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/14—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Definitions
- the present invention relates to a novel compound and an epoxy resin composition containing the compound, and more specifically, a specific dicyanamide salt and a thiocyanate salt, and a combination thereof, which has excellent storage stability and excellent curability.
- the present invention relates to a liquid thermosetting epoxy resin composition.
- Epoxy resins have excellent adhesion to various substrates, and cured products obtained by curing epoxy resins with curing agents have relatively good heat resistance, chemical resistance, electrical properties, mechanical properties, etc. Therefore, it is used in a wide range of applications such as paints, adhesives, and various molding materials.
- epoxy resin compositions have mainly been two-component systems in which a curing agent or a curing accelerator is added immediately before use.
- the two-component system has the characteristics that it can be cured at room temperature or low temperature, but on the other hand, it must be weighed and mixed immediately before use, and the pot life is short, so it can be applied to automatic machines. It has a drawback that its use conditions are limited such as difficulty. In order to eliminate such drawbacks, a one-component curable epoxy resin composition is desired.
- a curing agent that does not react at room temperature but has a property of starting and curing by heating
- a so-called latent curing agent is required.
- the latent curing agent for example, dicyandiamide, dibasic acid dihydrazide, boron trifluoride amine complex salt, guanamines, melamine, imidazoles and the like have been proposed.
- a mixture of dicyandiamide, melamine, and guanamines with an epoxy resin is excellent in storage stability, but has a drawback of requiring high temperature of 150 ° C. or more and long curing conditions. .
- Patent Document 1 proposes to use an ionic liquid composed of a combination of an ammonium cation or a phosphonium cation, a carboxylic acid anion, or the like as a curing agent for an epoxy resin. Absent.
- An object of the present invention is to provide an epoxy resin composition having excellent storage stability and excellent curability.
- the present invention provides a compound represented by the following general formula (I).
- R1 is a hydrocarbon group that can contain a nitrogen atom, and can form a cyclic structure that can have a substituent
- R2 represents a hydrogen atom, an alkyl group, or an aryl group
- R3 can form an unsaturated bond together with R1, R3 represents a hydrogen atom, an alkyl group, or an aryl group, and X represents dicyanate or thiocyanate.
- the present invention also provides an epoxy resin composition
- an epoxy resin composition comprising (A) an epoxy resin and (B) a compound represented by the following general formula (I).
- R1 is a hydrocarbon group that can contain a nitrogen atom, and can form a cyclic structure that can have a substituent
- R2 represents a hydrogen atom, an alkyl group, or an aryl group
- R3 can form an unsaturated bond together with R1, R3 represents a hydrogen atom, an alkyl group, or an aryl group, and X represents dicyanate or thiocyanate.
- a practical epoxy resin composition having a balance between moderate curing characteristics and storage stability can be obtained using readily available raw materials as components.
- a one-pack type epoxy resin composition that does not contain a curable resin component that is solid at room temperature it is possible to provide a one-pack type epoxy resin composition that is excellent in workability and suitable for narrow space adhesion and impregnation adhesion Became.
- Example 1 is a chart of 1 H-NMR spectrum of curing agent B-1 (Compound No. 2-1) produced in Example 2-1.
- 2 is a chart of 13 C-NMR spectrum of curing agent B-1 (Compound No. 2-1) produced in Example 2-1.
- 3 is a chart of 1 H-NMR spectrum of Curing Agent B-2 (Compound No. 2-2) produced in Example 2-2.
- 4 is a chart of 13 C-NMR spectrum of curing agent B-2 (Compound No. 2-2) produced in Example 2-2.
- R1 in the general formula (I) is a hydrocarbon group that forms a cyclic structure together with two nitrogen atoms or two nitrogen atoms and R2 in the formula, and the hydrocarbon group includes a nitrogen atom. And may contain an unsaturated bond. Further, the number and position of nitrogen atoms and the number and position of unsaturated bonds are not limited. Specific ring structures include five-membered nitrogen-containing heterocycles such as imidazole ring, imidazoline ring, and triazole ring, six-membered nitrogen-containing heterocycles such as pyrimidine ring and triazine ring, benzimidazole ring, and benzotriazole ring.
- a nitrogen-containing heterocycle formed by condensing the above heterocycle such as a purine ring, pteridine ring, quinazoline ring and the like with another ring.
- These ring structures may have a substituent.
- the substituent include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a tertiary butyl group, an amyl group, C 1-10 alkyl groups such as isoamyl group, tertiary amyl group, hexyl group, isohexyl group, octyl group, 2-ethylhexyl group, tertiary octyl group, nonyl group, decyl group, phenyl group, naphthyl group, etc.
- Examples thereof include aryl groups having 6 to 12 carbon atoms, halogen atoms such as fluorine, chlorine, bromine and iodine, cyano groups, sulfo groups, hydroxyl groups and nitro groups.
- Examples of the alkyl group represented by R2 and R3 include methyl group, ethyl group, propyl group, isopropyl group, butyl group, isobutyl group, tertiary butyl group, amyl group, isoamyl group, tertiary amyl group, hexyl group, and isohexyl.
- aryl group represented by R2 and R3 examples include aryl groups having 6 to 12 carbon atoms such as a phenyl group and a naphthyl group.
- Preferred examples of the compound represented by the general formula (I) include compounds represented by the following general formulas (I-1) to (I-5).
- R2 ′ and R3 to R15 each independently represent a hydrogen atom, an alkyl group or an aryl group, and X represents a dicyanate or a thiocyanate.
- R2 ′ and R3 to R15 examples of the alkyl group represented by: methyl group, ethyl group, propyl group, isopropyl group, butyl group, isobutyl group, tertiary butyl group, amyl group, isoamyl group, tertiary amyl group, hexyl group, isohexyl group, octyl Group, 2-ethylhexyl group, tertiary octyl group, nonyl group, decyl group and other alkyl groups having 1 to 10 carbon atoms, such as R2 ′ and R3 to R15.
- Examples of the aryl group represented by the formula include aryl groups having 6 to 12 carbon atoms such as a phenyl group and a naphthyl group.
- compounds in which X is dicyanate include the following compound No. 1-1-No. 5-1 and the like, but are not limited thereto.
- compounds in which X is thiocyanate include the following compound No. 1-2 to No. 5-2 and the like, but are not limited thereto.
- R1 to R3 have the same meaning as in the general formula (I).
- a nitrogen-containing heterocyclic ring corresponding to a cation structure is used as a method for producing a compound in which X is thiocyanate.
- An acidic substance such as hydrochloric acid is added to the compound to form an intermediate (I-2), and this is reacted with a thiocyanate salt such as sodium thiocyanate in the presence of alcohol or water (H 2 O).
- a thiocyanate salt such as sodium thiocyanate in the presence of alcohol or water (H 2 O).
- the manufacturing method is not limited.
- the compound represented by the general formula (I) of the present invention described above has a balance between moderate curing characteristics and storage stability because it is composed of readily available raw materials, and is therefore a thermosetting latent curing agent. Can be added to the epoxy resin and used for various applications described later.
- Examples of the epoxy resin that is the component (A) used in the epoxy resin composition of the present invention include polyglycidyl ether compounds of mononuclear polyhydric phenol compounds such as hydroquinone, resorcin, pyrocatechol, and phloroglucinol; Naphthalene, biphenol, methylene bisphenol (bisphenol F), methylene bis (orthocresol), ethylidene bisphenol, isopropylidene bisphenol (bisphenol A), isopropylidene bis (orthocresol), tetrabromobisphenol A, 1,3-bis (4-hydroxy) Cumylbenzene), 1,4-bis (4-hydroxycumylbenzene), 1,1,3-tris (4-hydroxyphenyl) butane, 1,1,2,2-tetra (4-hydroxyphenyl) Polyglycidyl ether compounds of polynuclear polyhydric phenol compounds such as ethane, thiobisphenol, sulfonyl
- Examples include heterocyclic compounds such as epoxidized conjugated diene polymers and triglycidyl isocyanurate.
- these epoxy resins may be those internally crosslinked by a prepolymer of a terminal isocyanate or those having a high molecular weight with a polyvalent active hydrogen compound (polyhydric phenol, polyamine, carbonyl group-containing compound, polyphosphate ester, etc.). .
- the (A) epoxy resin preferably has an epoxy equivalent of 70 to 3000, more preferably 90 to 2000. If the epoxy equivalent is less than 70, the physical properties of the cured product may be lowered, and if it is greater than 3000, sufficient curability may not be obtained.
- the component (B) used in the epoxy resin composition of the present invention is a compound represented by the general formula (I) of the present invention described above, and includes the compounds described above.
- Preferred examples of the compound represented by the general formula (I) include the compounds represented by the general formulas (I-1) to (I-5) described above.
- the content of the compound represented by (B) the general formula (I) is preferably 0.1 to 50 parts by mass with respect to 100 parts by mass of the (A) epoxy resin. More preferably, it is 1 to 20 parts by mass. (B) If the content of the compound represented by the general formula (I) is less than 0.1 parts by mass, it may cause poor curing. If it exceeds 50 parts by mass, the storage stability may be remarkably deteriorated. There is sex.
- Non-reactive diluent plasticizer
- glass fiber carbon fiber, cellulose, silica sand, cement, kaolin, clay, aluminum hydroxide, bentonite, talc, silica, finely divided silica, titanium dioxide, carbon black, graphite, Fillers or pigments such as iron oxide and bitumen substances; ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) -N′- ⁇ -(Aminoethyl) - ⁇ -aminopropyltriethoxysilane, ⁇ -anilinopropyltriet Sisilane, ⁇ -glycidoxypropyltriethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltriethoxysilane, vinyltriethoxys
- the epoxy resin composition of the present invention is, for example, a paint or adhesive for concrete, cement mortar, various metals, leather, glass, rubber, plastic, wood, cloth, paper, etc .; adhesive tape for packaging, adhesive label, frozen food label , Removable labels, POS labels, adhesive wallpaper, adhesives for adhesive flooring; processed paper such as art paper, lightweight coated paper, cast coated paper, coated paperboard, carbonless copying machine, impregnated paper; natural fiber, synthetic fiber, Fiber treatment agents such as glass fibers, carbon fibers, metal fibers, etc., fraying prevention agents, processing agents, etc .; building materials such as sealing materials, cement admixtures, waterproofing materials; a wide range of sealing agents for electronic and electrical equipment, etc. Can be used for various purposes.
- Example 1-1 [Production of Curing Agent A-1] In 17 ml of water, 1.0 g (8.5 mmol) of Intermediate B was dissolved, and while stirring at 25 ° C., Intermediate A-1 was added in 1.5 g (8.5 mmol) portions and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.2 g of a light yellow liquid curing agent A-1.
- Example 1-2 [Production of Curing Agent A-2] In 17 ml of water, 1.0 g (8.5 mmol) of Intermediate B was dissolved, and while stirring at 25 ° C., Intermediate A-2 was added in 1.0 g (8.5 mmol) portions and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.1 g of a light yellow liquid curing agent A-2.
- Example 2-1 [Production of Curing Agent B-1]
- Intermediate C 1.5 g (10.0 mmol) of Intermediate C was dissolved, and while stirring at 25 ° C., Intermediate A-1 was added in 1.7 g (10.0 mmol) portions and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.7 g of a light yellow powdery curing agent B-1.
- the identification results of the obtained curing agent B-1 by 1 H-NMR and 13 C-NMR are shown below.
- FIG. 1 shows a 1 H-NMR chart
- FIG. 2 shows a 13 C-NMR chart.
- Example 2-2 [Production of curing agent B-2] In 20 ml of water, 1.5 g (10.0 mmol) of Intermediate C was dissolved, and while stirring at 25 ° C., Intermediate A-2 was added in 1.2 g (10.0 mmol) portions and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.6 g of a light yellow powdery curing agent B-2.
- the identification results of the obtained curing agent B-2 by 1 H-NMR and 13 C-NMR are shown below.
- FIG. 3 shows a 1 H-NMR chart
- FIG. 4 shows a 13 C-NMR chart.
- Example 3-1 [Production of Curing Agent C-1] 1.2 g (9.2 mmol) of Intermediate D was dissolved in 40 ml of water, and Intermediate A-1 was added in 1.6 g (9.2 mmol) portions while stirring at 25 ° C., and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.4 g of a light yellow liquid curing agent C-1.
- Example 3-2 [Production of Curing Agent C-2] 1.2 g (9.2 mmol) of Intermediate D was dissolved in 40 ml of water, and Intermediate A-2 was added in 1.1 g (9.2 mmol) portions while stirring at 25 ° C., and reacted for 24 hours. Thereafter, the solvent was removed with an evaporator and dried under reduced pressure to obtain 1.3 g of a light yellow liquid curing agent C-2.
- Example 4-1 [Production of one-pack type epoxy resin composition A-1]
- Adeka Resin EP-4100L bisphenol A diglycidyl ether type epoxy resin manufactured by ADEKA Corporation: epoxy equivalent 170 g / eq, total chlorine amount 600 ppm
- ADEKA Corporation epoxy equivalent 170 g / eq, total chlorine amount 600 ppm
- Example 4-2 [Production of one-pack type epoxy resin composition A-2]
- Adeka Resin EP-4100L bisphenol A diglycidyl ether type epoxy resin manufactured by ADEKA Co., Ltd .: epoxy equivalent 170 g / eq, total chlorine amount 600 ppm) 340 g and 14.1 g of curing agent A-2 were added and mixed uniformly.
- the desired one-pack type epoxy resin composition A-2 was obtained by sufficiently defoaming under reduced pressure.
- Example 5-1 [Production of One-Part Epoxy Resin Composition B-1]
- the target one-pack type epoxy resin composition B-1 was obtained in the same manner as in Example 4 except that 17.7 g of the curing agent B-1 was used.
- Example 5-2 [Production of one-pack type epoxy resin composition B-2]
- the intended one-pack type epoxy resin composition B-2 was obtained in the same manner as in Example 4-2, except that 16.9 g of the curing agent B-2 was used.
- Example 6-1 [Production of one-pack type epoxy resin composition C-1] A target one-pack type epoxy resin composition C-1 was obtained in the same manner as in Example 4-1, except that 16.5 g of the curing agent C-1 was used.
- Example 6-2 [Production of one-pack type epoxy resin composition C] A target one-pack type epoxy resin composition C-2 was obtained in the same manner as in Example 4-2, except that 15.7 g of the curing agent C-2 was used.
- Comparative Example 1 [Production of One-Part Epoxy Resin Composition D] A target one-pack type epoxy resin composition D was obtained in the same manner as in Example 4-1, except that 8.2 g of 1-methylimidazole was used.
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Abstract
Description
具体的な環構造としては、イミダゾール環、イミダゾリン環、トリアゾール環等の五員の窒素含有複素環や、ピリミジン環、トリアジン環等の六員の窒素含有複素環や、ベンゾイミダゾール環、ベンゾトリアゾール環、プリン環、プテリジン環、キナゾリン環等の上記複素環が他の環と縮合されて形成された窒素含有複素環が挙げられる。
これらの環構造は、置換基を有していてもよく、具体的な置換基としては、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、イソブチル基、第三ブチル基、アミル基、イソアミル基、第三アミル基、ヘキシル基、イソヘキシル基、オクチル基、2-エチルヘキシル基、第三オクチル基、ノニル基、デシル基等の炭素数1~10のアルキル基、フェニル基、ナフチル基等の炭素数6~12のアリール基、フッ素、塩素、臭素、ヨウ素等のハロゲン原子、シアノ基、スルホ基、水酸基、ニトロ基等が挙げられる。
R2及びR3で表されるアルキル基としては、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、イソブチル基、第三ブチル基、アミル基、イソアミル基、第三アミル基、ヘキシル基、イソヘキシル基、オクチル基、2-エチルヘキシル基、第三オクチル基、ノニル基、デシル基等の炭素数1~10のアルキル基が挙げられ、
R2及びR3で表されるアリール基としては、フェニル基、ナフチル基等の炭素数6~12のアリール基が挙げられる。
また(A)エポキシ樹脂は、エポキシ当量70~3000、更に90~2000のものが好ましい。該エポキシ当量が70未満では、硬化物の物性が低下するおそれがあり、3000よりも大きい場合には、十分な硬化性が得られないおそれがあるため好ましくない。
水40mlにナトリウムジシアナミド1.8g(20mmol)を溶解し、25℃撹拌中に0.1M硝酸銀水溶液200g(20mmol)を滴下し2時間反応を行った。その後、析出物をろ別し乾燥させることで淡黄色粉末状の中間体A-1(Ag+N(CN)2 -)を3.3g得た。
水40mlにナトリウムチオシアネート1.6g(20mmol)を溶解し、25℃撹拌中に0.1M硝酸銀水溶液200g(20mmol)を滴下し2時間反応を行った。その後、析出物をろ別し乾燥させることで淡黄色粉末状の中間体A-2(Ag+(SCN)-)を2.3g得た。
メタノール55mlに1-メチルイミダゾール4.5g(55mmol)を溶解し、25℃撹拌中に35%塩酸水溶液5.8g(55mmol)を滴下し1時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡褐色固体の中間体B(下記[化16]で示される化合物)を6.6g得た。
メタノール43mlに2-エチル-4-メチルイミダゾール4.7g(43mmol)を溶解し、25℃撹拌中に35%塩酸水溶液4.5g(43mmol)を滴下し1時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色粉末状の中間体C(下記[化17]で示される化合物)を5.9g得た。
メタノール26mlに1-metyl-1,4,5,6-tetrahydropyrimidineを2.6g(26mmol)溶解し、25℃撹拌中に35%塩酸水溶液2.7g(26mmol)を滴下し1時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色粉末状の中間体D(下記[化18]で示される化合物)を3.7g得た。
水17mlに中間体Bを1.0g(8.5mmol)溶解し、25℃撹拌中に中間体A-1を1.5g(8.5mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色液状の硬化剤A-1を1.2g得た。
水17mlに中間体Bを1.0g(8.5mmol)溶解し、25℃撹拌中に中間体A-2を1.0g(8.5mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色液状の硬化剤A-2を1.1g得た。
水20mlに中間体Cを1.5g(10.0mmol)溶解し、25℃撹拌中に中間体A-1を1.7g(10.0mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色粉末状の硬化剤B-1を1.7g得た。得られた硬化剤B-1の1H-NMR及び13C-NMRによる同定結果を下記に示す。また図1には、1H-NMRのチャートを示し、図2には、13C-NMRによるチャート示した。
<同定結果>
1H-NMR (400MHz,CD3OD) d: 1.36 (3H, t, J=7.6 Hz), 2.29 (3H, d, J=1.0 Hz), 2.92 (2H, q, J=7.7 Hz), 7.05 (1H, s)
13C-NMR(100MHz, CD3OD) d: 8.4, 10.3, 19.0, 114.7, 119.1, 129.1, 148.3
水20mlに中間体Cを1.5g(10.0mmol)溶解し、25℃撹拌中に中間体A-2を1.2g(10.0mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色粉末状の硬化剤B-2を1.6g得た。得られた硬化剤B-2の1H-NMR及び13C-NMRによる同定結果を下記に示す。また図3には、1H-NMRのチャートを示し、図4には、13C-NMRによるチャート示した。
<同定結果>
1H-NMR(400MHz, CD3OD) d: 1.36 (3H, t, J=7.8 Hz), 2.30 (3H, d, J=1.2 Hz), 2.93 (2H, q, J=7.6 Hz), 7.07 (1H, d, J=1.2 Hz)
13C-NMR(100MHz, CD3OD) d: 8.5, 10.3, 19.0, 114.8, 129.0, 132.4, 148.3
水40mlに中間体Dを1.2g(9.2mmol)溶解し、25℃撹拌中に中間体A-1を1.6g(9.2mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色液状の硬化剤C-1を1.4g得た。
水40mlに中間体Dを1.2g(9.2mmol)溶解し、25℃撹拌中に中間体A-2を1.1g(9.2mmol)分割で投入し24時間反応を行った。その後、溶媒をエバポレーターで除去、減圧乾燥することで淡黄色液状の硬化剤C-2を1.3g得た。
アデカレジンEP-4100L((株)ADEKA製 ビスフェノールAジグリシジルエーテル型エポキシ樹脂:エポキシ当量170g/eq、全塩素量600ppm)340gに硬化剤A-1を15g加え均一に混合した後、室温減圧下で十分に脱泡を行うことで目的とする一液型エポキシ樹脂組成物A-1を得た。
アデカレジンEP-4100L((株)ADEKA製 ビスフェノールAジグリシジルエーテル型エポキシ樹脂:エポキシ当量170g/eq、全塩素量600ppm)340gに硬化剤A-2を14.1gを加え均一に混合した後、室温減圧下で十分に脱泡を行うことで目的とする一液型エポキシ樹脂組成物A-2を得た。
硬化剤B-1を17.7g用いた以外は実施例4と同様にして目的とする一液型エポキシ樹脂組成物B-1を得た。
硬化剤B-2を16.9g用いた以外は実施例4-2と同様にして目的とする一液型エポキシ樹脂組成物B-2を得た。
硬化剤C-1を16.5g用いた以外は実施例4-1と同様にして目的とする一液型エポキシ樹脂組成物C-1を得た。
硬化剤C-2を15.7g用いた以外は実施例4-2と同様にして目的とする一液型エポキシ樹脂組成物C-2を得た。
1-メチルイミダゾールを8.2g用いた以外は実施例4-1と同様にして目的とする一液型エポキシ樹脂組成物Dを得た。
2-エチル-4-メチルイミダゾールを11g用いた以外は実施例4-1と同様にして目的とする一液型エポキシ樹脂組成物Eを得た。
1-metyl-1,4,5,6-tetrahydropyrimidineを9.8g用いた以外は実施例4-1と同様にして目的とする一液型エポキシ樹脂組成物Fを得た。
(1)一液安定性試験
製造直後の一液型エポキシ樹脂組成物について、密閉下40℃で保管を行い、該組成物の流動性がなくなるまでに所要した時間を計測することで一液安定性の評価を行った。
一液型エポキシ樹脂組成物について、150℃及び180℃の熱板上でゲルタイムを測定することで硬化性の評価を行った。
Claims (5)
- 一液型熱硬化性であることを特徴とする請求項3又は4記載のエポキシ樹脂組成物。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/111,937 US10253136B2 (en) | 2014-02-06 | 2015-01-22 | Compound and epoxy resin composition containing same |
| EP15745854.8A EP3103796B1 (en) | 2014-02-06 | 2015-01-22 | Novel compound and epoxy resin composition containing same |
| CN201580004685.XA CN105916844B (zh) | 2014-02-06 | 2015-01-22 | 化合物及含有其的环氧树脂组合物 |
| KR1020167019103A KR102311142B1 (ko) | 2014-02-06 | 2015-01-22 | 신규 화합물 및 그것을 함유하여 이루어지는 에폭시 수지 조성물 |
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| JP2014021055A JP6240940B2 (ja) | 2014-02-06 | 2014-02-06 | エポキシ樹脂組成物 |
| JP2014-021055 | 2014-02-06 | ||
| JP2014076349A JP6300608B2 (ja) | 2014-04-02 | 2014-04-02 | 新規化合物及びそれを含有してなるエポキシ樹脂組成物 |
| JP2014-076349 | 2014-04-02 |
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| WO2015118952A1 true WO2015118952A1 (ja) | 2015-08-13 |
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| US (1) | US10253136B2 (ja) |
| EP (1) | EP3103796B1 (ja) |
| KR (1) | KR102311142B1 (ja) |
| CN (1) | CN105916844B (ja) |
| TW (1) | TWI646086B (ja) |
| WO (1) | WO2015118952A1 (ja) |
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| DE102016223662A1 (de) * | 2016-11-29 | 2018-05-30 | Siemens Aktiengesellschaft | Vergussmasse, Isolationswerkstoff und Verwendung dazu |
| CN109525090A (zh) * | 2017-09-18 | 2019-03-26 | 大银微系统股份有限公司 | 线性马达的铁芯组 |
| CN111704844B (zh) * | 2020-05-20 | 2024-03-08 | 河北省同创交通工程配套产品产业技术研究院 | 改性环氧涂料及其制备方法和应用 |
| CN115557899B (zh) * | 2022-09-30 | 2024-03-08 | 福州大学 | 一种环氧树脂固化促进剂及其制备方法 |
| EP4488315A1 (en) * | 2023-07-07 | 2025-01-08 | Hilti Aktiengesellschaft | Curing agent composition comprising salts of thiocyanate |
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| US3642649A (en) * | 1969-04-18 | 1972-02-15 | Air Prod & Chem | Low temperature tertiary amine accelerators |
| US20090030158A1 (en) | 2007-07-26 | 2009-01-29 | Ajinomoto Co., Inc | Resin composition |
| JP2013155105A (ja) * | 2012-01-27 | 2013-08-15 | Centre National D'etudes Spatiales | 宇宙推進のためのn2oを主体とした新規なイオン単元推進薬 |
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| US4761466A (en) | 1987-08-12 | 1988-08-02 | Ashland Oil, Inc. | Inidazoline thiocyanates as cure accelerators for amine curing of epoxide resins |
| ATE243227T1 (de) | 1990-05-21 | 2003-07-15 | Dow Global Technologies Inc | Latente katalysatoren, härtungsinhibierte epoxyharzzusammensetzungen und daraus hergestellte laminate |
| JP2005032551A (ja) | 2003-07-11 | 2005-02-03 | Toshiba Corp | 非水電解質二次電池 |
| WO2008098137A2 (en) * | 2007-02-07 | 2008-08-14 | Zettacore, Inc. | Liquid composite compositions using non-volatile liquids and nanoparticles and uses thereof |
| EP2067835A1 (en) * | 2007-12-07 | 2009-06-10 | Bp Exploration Operating Company Limited | Improved aqueous-based wellbore fluids |
| DE102009000641A1 (de) * | 2009-02-05 | 2010-08-12 | Evonik Goldschmidt Gmbh | Verfahren zur Herstellung von antistatisch angerüsteten Kunststeinen für Flächengebilde |
| CN101950675B (zh) * | 2010-09-26 | 2012-06-20 | 华南理工大学 | 基于离子液体的染料敏化太阳能电池电解质及其制备方法 |
| WO2012042673A1 (ja) | 2010-10-01 | 2012-04-05 | リケンテクノス株式会社 | 床材用二液型硬化性エポキシ樹脂塗料組成物および床材 |
| DE102010043472A1 (de) * | 2010-11-05 | 2012-05-10 | Evonik Goldschmidt Gmbh | Zusammensetzung aus Polymeren und elektrisch leitfähigem Kohlenstoff |
| DE102011114132A1 (de) * | 2011-08-14 | 2013-02-14 | BLüCHER GMBH | Neue Konzepte für die Gasbehandlung und Gasreinigung |
| KR20140002355A (ko) | 2012-06-29 | 2014-01-08 | 삼성전기주식회사 | 인덕터 및 인덕터의 제조방법 |
| JP6240940B2 (ja) | 2014-02-06 | 2017-12-06 | 株式会社Adeka | エポキシ樹脂組成物 |
-
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- 2015-01-22 WO PCT/JP2015/051613 patent/WO2015118952A1/ja not_active Ceased
- 2015-01-22 US US15/111,937 patent/US10253136B2/en active Active
- 2015-01-22 KR KR1020167019103A patent/KR102311142B1/ko active Active
- 2015-01-22 CN CN201580004685.XA patent/CN105916844B/zh active Active
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| US3642649A (en) * | 1969-04-18 | 1972-02-15 | Air Prod & Chem | Low temperature tertiary amine accelerators |
| US20090030158A1 (en) | 2007-07-26 | 2009-01-29 | Ajinomoto Co., Inc | Resin composition |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3103796B1 (en) | 2021-08-25 |
| EP3103796A1 (en) | 2016-12-14 |
| TWI646086B (zh) | 2019-01-01 |
| KR102311142B1 (ko) | 2021-10-12 |
| US10253136B2 (en) | 2019-04-09 |
| CN105916844B (zh) | 2018-09-11 |
| US20160333138A1 (en) | 2016-11-17 |
| KR20160111922A (ko) | 2016-09-27 |
| EP3103796A4 (en) | 2017-06-21 |
| TW201533030A (zh) | 2015-09-01 |
| CN105916844A (zh) | 2016-08-31 |
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