WO1998039375A1 - Composes insatures polymerisables, compositions de resine durcissables les contenant et leurs produits de durcissement - Google Patents
Composes insatures polymerisables, compositions de resine durcissables les contenant et leurs produits de durcissement Download PDFInfo
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- WO1998039375A1 WO1998039375A1 PCT/JP1997/000721 JP9700721W WO9839375A1 WO 1998039375 A1 WO1998039375 A1 WO 1998039375A1 JP 9700721 W JP9700721 W JP 9700721W WO 9839375 A1 WO9839375 A1 WO 9839375A1
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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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/68—Unsaturated polyesters
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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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
Definitions
- the present invention relates to a polymerizable unsaturated compound exhibiting excellent adhesiveness, heat resistance, water resistance and flexibility when cured, and a method for producing the same.
- the present invention also relates to a curable resin composition containing the polymerizable unsaturated compound and a diluent, and a molded article obtained by curing the curable resin composition.
- Curable resin compositions such as UV curable resin compositions have characteristics such as high drying speed and no pollution of working environment, and are used in many fields such as paints, inks and adhesives.
- (meth) acrylate-based cured resin compositions for injection type gasket-sealing materials and coating applications has been growing, and the required quality has also become stricter.
- Gasket / seal materials require not only flexibility and adhesiveness in terms of adhesion to the base material, but also strict requirements for water resistance and heat resistance as durability in a high-temperature and high-humidity environment. .
- acrylate-based cured resin compositions for example, Japanese Patent Application Laid-Open Nos. 58-74614 and 61-210120 disclose polybutadienepolyol / polyisobutane.
- a curable resin composition containing a polymerizable unsaturated polybutadiene obtained by reacting a cyanate / hydroxyalkyl acrylate is disclosed.
- cured molded articles of these compositions containing a polymerizable unsaturated polybutadiene have problems of poor flexibility and water resistance, but poor adhesion and heat resistance.
- UV / EB curing materials (published by CMC Corporation), P74, (1992) include dicarboxylic acids such as adipic acid, succinic acid, terephthalic acid, and isophthalic acid, and ethylene glycol, diethylene glycol, Degenerate with pentyl glycol, glycols such as 1,4-butanediol '
- a curable resin composition containing a polymerizable unsaturated polyurethane obtained by reacting a polyisocyanate hydroxyalkyl acrylate is disclosed.
- a cured molded article of the composition containing the polymerizable unsaturated polyurethane has excellent heat resistance, but has problems such as poor flexibility, adhesiveness and water resistance.
- Japanese Patent Application Laid-Open No. 2-248414 discloses that acrylic acid is esterified to a polyester polyol obtained by condensation polymerization of adipic acid and 2-butyl-2-ethyl-1,3-propanediol.
- a curable resin composition containing a polymerizable unsaturated polyester has been disclosed.
- the cured molded article of the composition containing the polymerizable unsaturated polyester has improved heat resistance, but suffers from poor adhesion, water resistance and flexibility. Disclosure of the invention
- An object of the present invention is to provide a polymerizable unsaturated compound having excellent adhesion to a substrate when cured, and also having excellent heat resistance, water resistance and flexibility.
- Another object of the present invention is to provide a curable resin composition containing a polymerizable unsaturated compound and a diluent, and having excellent adhesiveness, water resistance, heat resistance and flexibility.
- Still another object of the present invention is to provide a molded article obtained by curing a curable resin composition and having excellent airtightness and durability at high temperature and high humidity.
- the present inventors have conducted intensive studies to overcome the problems of the prior art, and as a result, as a polymerizable unsaturated component, (1) a polyvalent carboxylic acid containing a polymerized fatty acid and a polyvalent alcohol
- unsaturated (poly) urethane obtained by reacting with a polymerizable unsaturated compound, a curable resin group that has excellent adhesion to the base material, and is also excellent in flexibility, heat resistance and water resistance It has been found that a molded article such as a gasket produced by curing the curable resin composition is extremely excellent in airtightness and durability at high temperature and high humidity. Based on the above, the present invention has been completed.
- a polyester polyol (a) obtained by polycondensation of a polyhydric carboxylic acid component containing at least one selected from a polymerized fatty acid and a polymerized fatty acid ester with a polyhydric alcohol is used in the molecule.
- An unsaturated polyester (i) having a single carbon unsaturated bond is provided.
- a polyester polyol (a) obtained by polycondensing a polyhydric alcohol and a polyvalent carboxylic acid component containing at least one selected from polymerized fatty acids and polymerized fatty acid esters. And a unsaturated carboxylic acid (b) having a polymerizable carbon-carbon unsaturated bond in the molecule.
- the process for producing the unsaturated polyester (i) is provided.
- a polyester polyol (c) obtained by condensation polymerization of a polyhydric alcohol and a polyvalent carboxylic acid component containing at least one selected from a polymerized fatty acid and a polymerized fatty acid ester;
- the weight average molecular weight (Mw) obtained by reacting isocyanate (d) and compound (e) having an active hydrogen and a polymerizable carbon-carbon unsaturated bond in the molecule is from 1,000 to 10
- a polyester polyol (c) obtained by condensation polymerization of a polyhydric alcohol and a polyvalent carboxylic acid component containing at least one selected from a polymerized fatty acid and a polymerized fatty acid ester; Production of unsaturated (poly) urethane (ii) characterized by reacting isocyanate (d) and compound (e) having an active hydrogen and a polymerizable carbon-carbon unsaturated bond in the molecule A method is provided.
- a polyester polyol (c) obtained by polycondensation of a polyhydric alcohol and a polyvalent carboxylic acid component containing at least one selected from a polymerized fatty acid and a polymerized fatty acid ester. Is reacted with polyisocyanate (d) to form a (poly) urethane compound (f) having at least two isocyanate groups. And then reacting the isocyanate group-containing (poly) urethane compound (f) with a compound (e) having active hydrogen and a polymerizable carbon-carbon unsaturated bond in the molecule.
- a method for producing the above-mentioned unsaturated (poly) urethane (ii) is provided.
- the polyisocyanate (d) is further reacted with a compound (e) having a carbon-carbon unsaturated bond that is polymerizable with active hydrogen in the molecule to react the polyisocyanate-containing (poly).
- a compound (e) having a carbon-carbon unsaturated bond that is polymerizable with active hydrogen in the molecule to react the polyisocyanate-containing (poly).
- a urethane compound (g) is produced, and then a polyester polyol obtained by polycondensing a polyhydric alcohol with a polyhydric carboxylic acid component containing at least one selected from polymerized fatty acids and polymerized fatty acid esters.
- a curable resin composition comprising a polymer unsaturated compound (h) having at least two polymerizable carbon-carbon unsaturated groups in a molecule and a diluent (j).
- a molded article obtained by curing the curable resin composition.
- FIG. 1 is a conceptual diagram of one embodiment of an apparatus for discharging and curing a curable resin composition used when producing a molded article of the present invention.
- FIG. 2 is a plan view of the dust cover manufactured in Examples 13 to 14.
- FIG. 3 is an explanatory diagram of the airtightness test device. BEST MODE FOR CARRYING OUT THE INVENTION
- the unsaturated polyester (i) of the present invention is a polymerized fatty acid and A polyester polyol ( a ) obtained by condensation polymerization of a polycarboxylic acid component containing an ester and a polyhydric alcohol is esterified with an unsaturated carboxylic acid (b) having a polymerizable carbon-carbon unsaturation in the molecule. It is an unsaturated polyester having at least two polymerizable carbon-carbon unsaturated bonds in the molecule obtained by the polymerization reaction.
- polymerized fatty acid there is no particular limitation on the polymerized fatty acid, and those used in ordinary polyester synthesis are used. Generally, a fatty acid or a fatty acid ester obtained by polymerizing a fatty acid ester by a known method is used. However, a polyvalent polymerized fatty acid obtained by polymerizing a higher fatty acid or a higher fatty acid ester has adhesiveness, flexibility, water resistance and heat resistance. Both properties are preferred because they provide a high degree of balance. Fatty acids may be either saturated or unsaturated, and the number of carbon atoms is usually in the range of 8 to 30, preferably 12 to 24, more preferably 16 to 20. As the fatty acid ester, alkyl esters of higher fatty acids such as methyl, ethyl, propyl, butyl, amyl and cyclohexyl are usually used.
- Preferred polymerized fatty acids include, for example, those obtained by polymerizing unsaturated higher fatty acids such as oleic acid, linoleic acid, ricinoleic acid, and eleostearic acid, and those obtained by polymerizing natural fatty acids such as tall oil and tallow. Hydrogenated carbon-carbon unsaturated bonds remaining in the polymerized fatty acid may be used.
- the ratio of divalent carboxylic acid (hereinafter referred to as “dimeric acid”) and trivalent or higher carboxylic acid in the polymerized fatty acid is not particularly limited, and is appropriately selected depending on the purpose of use.
- dimer monoacid is used as a main component, and its proportion in the polymerized fatty acid is usually 40% by weight or more, preferably 50 to 100% by weight, more preferably 70 to 100% by weight. It is in the range of 100% by weight, most preferably 90 to 100% by weight.
- trimer acid As the remaining trivalent or higher carboxylic acid in the polymerized fatty acid, a trivalent carboxylic acid (hereinafter, referred to as “trimer acid”) and a tetravalent or higher carboxylic acid are used, and preferably a trimeric acid is a polymerized fatty acid.
- the ester is not particularly limited, but is usually an ester of the above-mentioned polymerized fatty acid. A rualkyl ester is used.
- alkyl ester examples include lower alkyl esters such as methyl ester, ethyl ester, propyl ester, isopropyl ester, butyl ester, amyl ester, and hexyl ester; octyl ester, decyl ester, dodecyl ester, pen decyl ester, and octyl decyl.
- higher alkyl esters such as esters, preferably lower alkyl esters, and more preferably methyl esters, ethyl esters, propyl esters, and butyl esters.
- polymerized fatty acids and polymerized fatty acid esters can be used alone or in combination of two or more.
- the ratio of the polymerized fatty acid and the polymerized fatty acid ester in the polycarboxylic acid component is not particularly limited and may be appropriately selected depending on the purpose of use. It is preferably at least 50% by weight, more preferably at least 70% by weight, most preferably at least 90% by weight. It is not preferable to use a polycarboxylic acid component containing no polymerized fatty acid or polymerized fatty acid ester, because it is inferior in adhesiveness, water resistance, heat resistance and flexibility.
- the remainder of the polyvalent carboxylic acid component other than the polymerized fatty acid and polymerized fatty acid ester is not particularly limited, and may be any other divalent carboxylic acid, other divalent carboxylic acid ester, other trivalent or higher carboxylic acid, or other And other divalent carboxylic acids, and other divalent carboxylic acids and other divalent carboxylic acid esters are preferred.
- divalent carboxylic acids include, for example, succinic acid, daltaric acid, adipic acid, maleic acid, itaconic acid, pimelic acid, methylmalonic acid, dimethylmalonic acid, suberic acid, azelaic acid, terephthalic acid, isophthalic acid, methyl isophthalic acid
- Examples include phosphoric acid, sebacic acid, brassic acid, and polyalkylene succinic acid.
- higher divalent rubonic acids such as suberic acid, azelaic acid, terephthalic acid, isophthalic acid, methylisophthalic acid, sebacic acid, brassic acid, and polyalkylene succinic acid are preferred.
- trivalent or higher carboxylic acids include three or more carboxylic acids in one molecule There is no particular limitation as long as the compound has a group. Specifically, for example, trimellitic acid, trimethylvalivalic acid, camphoronic acid, trimesic acid and the like can be mentioned.
- the other divalent carboxylic acid ester or other trivalent or higher carboxylic acid ester is not particularly limited, but usually, the above other divalent carboxylic acid or other trivalent or higher carboxylic acid alkyl ester is used.
- the alkyl ester include lower alkyl esters such as methyl ester, ethyl ester, propyl ester, isopropyl ester, butyl ester, amyl ester, and hexyl ester; octyl ester, decyl ester, dodecyl ester, pencil decyl ester, and o Higher alkyl esters such as dimethyl decyl ester and the like are preferable, and lower alkyl esters are preferable, and methyl ester, ethyl ester, propyl ester, and butyl ester are more preferable.
- polyvalent carboxylic acids and polyvalent carboxylic acid esters are used alone or in combination of two or more.
- the balance of [A: other divalent carboxylic acid and Z or other divalent carboxylic acid ester] and [B: other trivalent or more carboxylic acid and di or other trivalent or more carboxylic acid ester] is as follows. Although there is no particular limitation as long as it is appropriately selected according to the purpose of use, [A]: [B] in the total polyvalent carboxylic acid amount excluding the polymerized fatty acid and the polymerized fatty acid ester is 50: 50-: L 0: 0, preferably 70: 30 to: L00: 0, more preferably 90: 10 to; L00: 0 (weight ratio).
- polycarboxylic acid component formic acid, acetic acid, butyric acid, 2-methylpropanoic acid, valeric acid, isooctylic acid, isononanoic acid, lauric acid, myristic acid, palmitic acid, as long as the effects of the present invention are not impaired.
- Monovalent carboxylic acids such as stearic acid, isostearic acid, arachinic acid, linoleic acid, oleic acid, and elaidic acid, and ester compounds of these monocarboxylic acids may be used in combination.
- the allowable capacity is usually not more than 20% by weight, preferably not more than 10% by weight, more preferably not more than 5% by weight of the total polycarboxylic acid component.
- the polyhydric alcohol is not particularly limited as long as it is used in ordinary polyester synthesis.
- dihydric alcohol or dihydric alcohol and trihydric or higher Can be used.
- dihydric alcohol or dihydric alcohol and trihydric or higher Can be used.
- dihydric alcohol or dihydric alcohol and trihydric or higher Can be used.
- dihydric alcohol examples include alkanediol, cycloalkanediol, aromatic diol, oligooxyalkylene glycol, polyoxyalkylene glycol, and hindered glycol.
- alkanediol, cycloalkanediol, hindered glycol and the like are preferable, and hindered glycol is particularly preferable.
- alkanediol examples include ethylene glycol, propylene glycol, 1,2-butanediol, 1,4-butanediol, 1,6-hexanediol, and 3-methyl-1,5-pentanediol. , 1,8-octanediol, 1,9-nonanediol and the like.
- carbons such as 1,4-butanediol, 1,6-hexanediol, 3-methyl-1,5-pentyldiol, 1,8-octanediol, 1,9-nonanediol, etc.
- Alkanediols with 4 to 9 numbers are preferred.
- cycloalkanediol examples include cyclopentane-1,2-diol, cyclohexane-1,2-diol, cyclohexane_1,3-diol, cyclohexane-1,4-diol, Cyclooctane-1,4-diol, 2,5-norbornanediol and the like can be mentioned.
- aromatic diol examples include p-xylene diol, 4,4′-methylenediphenol, 4,4′-dihydroxybiphenyl, 2,5-naphthalenediol and the like.
- oligooxyalkylenedalicol and the polyoxyalkylenedalicol for example, those obtained by polymerizing alkylene oxides alone or a mixture thereof such as ethylene oxide, propylene oxide, and butylene oxide by a known method can be used.
- alkylene oxides alone or a mixture thereof such as ethylene oxide, propylene oxide, and butylene oxide by a known method
- alkylene oxides alone or a mixture thereof such as ethylene oxide, propylene oxide, and butylene oxide by a known method
- Ri represents a hydrogen atom or a lower alkyl group such as a methyl group or an ethyl group, and is preferably a hydrogen atom or a methyl group.
- a is 1 to 6
- b represents an integer of 2 to 100, preferably an integer of 2 to 50, and more preferably an integer of 2 to 25.
- oligooxyalkylene glycols such as ethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, and tripropylene dalicol; polyethylene glycol, polypropylene glycol, polyethylene propylene glycol, and polybutylene glycol And the like.
- R 2 and R 3 each independently represent an alkyl group.
- the number of carbon atoms in the alkyl group is not particularly limited, but is usually 1 to 50, preferably 1 to 20, and more preferably 2 to 10.
- Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, an amyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, and a decyl group.
- methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, sec-butyl, Amyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, etc. are preferable, and ethyl group, propyl group, butyl group, amyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group Etc. are particularly preferred.
- hindered glycol examples include, for example, 2,2-dimethyl-1,3-propanediol, 2,2-diethyl-1,3-propanediol, 2,2-dipropyl1,3-propanediol, 2,2 —Diisopropyl— 1,3-propanediol, 2,2-dibutyl_1,3-propanediol, 2,2-diisobutyl—1,3-propanediol, 2 _methyl—2-dodecyl-1,3_propanediol, Examples include 2-ethyl-2-butyl-1,3-propanediol, 2-propyl-2-pentyl-1,3-propanediol, and among these, 2,2-getyl-1,3-propanediol, 2,2-dipropyl-1-, 3-propyl Mouth pandiol, 2,2-dibutyl-1,3-propan
- the trivalent or higher alcohol is not particularly limited as long as it has three or more hydroxyl groups.
- examples of the trivalent or higher alcohol include glycerol compounds such as glycerol, diglycerol, and polyglycerol; saccharides such as sorbitol, darcos, mannitol, sucrose, and glucose; ditrimethylol propane, dipentyl erythritol, and the like. .
- R 5 each independently represent an alkyl group or an alkyl group having a hydroxyl group, and at least one of R 4 and R 5 is an alkyl group having a hydroxyl group.
- the number of carbon atoms of the alkyl group is not particularly limited, but is usually 1 to 50, preferably 1 to 20 and more preferably 2 to 10 carbon atoms.
- Examples of such trihydric or higher-valent alcohols include trimethylolethane, trimethylolpropane, trimethylolbutane, and pen-erythritol.
- polyhydric alcohol components can be used alone or in combination of two or more.
- the water resistance is synergistically excellent and suitable.
- the proportion of hindered glycol in the polyhydric alcohol component is appropriately selected according to the purpose of use, but is usually at least 30% by weight, preferably at least 50% by weight, more preferably at least 30% by weight of the total amount of the polyhydric alcohol component. Is 70% by weight or more.
- the remaining polyhydric alcohol component is not particularly limited, and a dihydric alcohol other than the above-mentioned hindered glycol and / or a trihydric or higher alcohol can be used, preferably a dihydric alcohol, and more preferably an alkylander. Recall.
- the polyhydric alcohol component does not impair the effects of the present invention.
- Monohydric alcohols such as 2-butanol, 1-decanol, and nonyl alcohol may be used in combination.
- the allowable amount is usually 20% by weight or less, preferably 15% by weight or less, more preferably 10% by weight or less in all polyhydric alcohol components.
- the ratio of the total polyhydric carboxylic acid component to the total polyhydric alcohol component may be appropriately selected according to the desired molecular weight of the polyester and the hydroxyl value, but is usually 1.05 to 5, Preferably, it is in the range of 1.1 to 3, more preferably 1.2 to 2.
- the polycondensation reaction may be carried out in a conventional manner, for example, at a reaction temperature of 100 to 300 ° C., preferably 150 to 280 ° C., particularly in the presence of an inert gas. It is preferred to do so. If necessary, a water-insoluble organic solvent azeotropic with water, such as toluene or xylene, may be used, and the reaction may be performed under reduced pressure. At the time of the esterification condensation polymerization reaction, an esterification catalyst is usually used.
- esterification catalyst examples include Bronsted acids such as paratoluenesulfonic acid, sulfuric acid, and phosphoric acid; Lewis acids such as boron trifluoride complex, titanium tetrachloride, and tin tetrachloride; zinc stearate, and alkyl tin oxide.
- organometallic compounds such as titanium alkoxide, etc., and from the viewpoint of the oxidation stability of the obtained polyester, an organometallic compound belonging to Group IV of the periodic table is preferable.
- the molecular weight of the polyester polyol (a) thus obtained is not particularly limited, but is usually from 1,000 to 100,000 as a weight average molecular weight (Mw) in terms of standard polyester measured by GPC. When it is 0000, preferably 1,500 to 50,000, more preferably 2,000 to 20,000, properties such as water resistance and flexibility are particularly excellent. It is preferable because it is excellent.
- the hydroxyl value of the polyester polyol (a) used in the present invention is not particularly limited, but is usually 3 to 20 Omg KOH / g, preferably 5 to: 150 mgK ⁇ H / g, more preferably 10 to 100 mgK ⁇ H / g. ⁇ 120 mgKOH / g.
- the unsaturated carboxylic acid (b) used in the present invention is a compound having at least one polymerizable carbon-carbon unsaturated bond and at least one hydroxyl group in the molecule.
- the polymerizable carbon-carbon unsaturated bond is not particularly limited as long as it is a carbon-carbon unsaturated bond involved in the polymerization reaction initiated by irradiation with radiation, heat and various polymerization initiators, but is preferably a vinyl bond. ⁇ Vinylidene bond and the like.
- the unsaturated carboxylic acids (b) include, for example, monobasic unsaturated carboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, p-carboxystyrene; maleic acid, fumaric acid, citraconic acid, itaconic acid, dartaric acid, Examples include dibasic unsaturated carboxylic acids such as 3-methyl-2-pentene diacid and 2-methyl-2-pentene diacid. Among these, monobasic unsaturated carboxylic acids are preferred, and acrylic acid and methacrylic acid are particularly preferred.
- unsaturated carboxylic acids (b) can be used alone or in combination of two or more.
- the amount of the unsaturated carboxylic acid (b) to be used is appropriately selected so that the resulting unsaturated polyester has at least two polymerizable carbon-carbon unsaturated bonds. It is usually in the range of 0.8-5 equivalents, preferably 0.9-3 equivalents, more preferably 1-2 equivalents, based on the group.
- the esterification reaction between the polyester polyol (a) and the unsaturated carboxylic acid (b) can be carried out according to a conventional method.
- the polymerization inhibitor (m) described below is used in an amount of 0.0001 to 0.1% by weight, preferably 0.001 to 0.1% by weight based on the unsaturated carboxylic acid (b). It can be carried out by adding 0.05% by weight, more preferably 0.001 to 0.01% by weight.
- the reaction temperature is usually 50 to 300 ° C, preferably 80 to 250 ° (:, more preferably 100 to 200 ° C, and the reaction time is usually 0.5 to 15 hours, preferably Is 1 to 10 hours, more preferably 2 to 7 hours.
- Preferred unsaturated polyesters (i) of the present invention include, for example, those represented by the general formula (4) Pi (OH) m (4)
- Pi is a polyvalent carbohydrate containing a polymerized fatty acid and Z or a polymerized fatty acid ester.
- the polyester chain formed by polycondensation of an acid component and a polyhydric alcohol, m is the average number of hydroxyl groups per molecule represented by (hydroxyl value X weight average molecular weight) (56.1 X 1 000), and 2. 0 to 20.
- hydroxyl value X weight average molecular weight 56.1 X 1 000
- R6R7C C R8- (CH 2 ) n-COOH (5)
- Pi in the general formulas (4) and (6) represents a polyester chain formed by polycondensation of a polyhydric alcohol and a polyhydric carboxylic acid component containing a polymerized fatty acid and / or a polymerized fatty acid ester.
- m is preferably 2.5 to 15 and more preferably 3.0 to 10.
- R 6 in the general formulas (5) and (6) each independently represents a hydrogen atom, an alkyl group or an alkenyl group, and is preferably a hydrogen atom.
- R 8 represents a hydrogen atom or an alkyl group, preferably a hydrogen atom or a lower alkyl group, more preferably a hydrogen atom or a methyl group.
- n represents 0 or an integer of 1 to 6, and is preferably 0.
- the unsaturated polyester (i) of the present invention preferably has a molecular weight of 1,000 to 100,000 as a polystyrene equivalent weight average molecular weight (Mw) measured by gel permeation chromatography (GPC). Ranges from 3,000 to 50,000, more preferably from 5,000 to 30,000. If the molecular weight of the unsaturated polyester compound (i) is too small, the flexibility is insufficient, and if it is too large, the curability of the resin composition is inferior.
- Mw polystyrene equivalent weight average molecular weight measured by gel permeation chromatography
- the unsaturated (poly) urethane (ii) of the present invention is obtained by polycondensing a polyhydric carboxylic acid component containing a polymerized fatty acid and / or a polymerized fatty acid ester with a polyhydric alcohol.
- the resulting polyester polyol (c), polyisocyanate (d), and a compound (e) having an active hydrogen and a polymerizable carbon-carbon unsaturated bond in the molecule are reacted. It is an unsaturated urethane compound having at least two polymerizable carbon-carbon unsaturated bonds or an unsaturated (poly) urethane compound.
- polyester polyol (c) include those similar to the specific examples of the polyester polyol (a).
- the polyisocyanate (d) is not particularly limited as long as it is used in ordinary polyurethane synthesis. Examples thereof include hexamethylene diisocyanate, 2,2 succinate, and tetramethylene diisocyanate. Aliphatic polyisocyanates such as isophorone diisocyanate, 4,4'-dicyclohexylmethane diisocyanate; 2,4-tolylene diisocyanate, 2, 6-tolylene Isocyanate, xylylene diisocyanate, 4,4'-diphenylmethane diisocyanate, naphthalene diisocyanate, triphenyl methane triisocyanate, tris (4-phenylisocynate) thiophosphoate, etc.
- Aliphatic polyisocyanates such as isophorone diisocyanate, 4,4'-dicyclohexylmethane diisocyanate; 2,4-tolylene diisocyanate, 2, 6-
- Aromatic polyisocyanates such as hydrogenated 4,4'-diphenyl Examples include hydrogenated aromatic polyisocyanates such as methane diisocyanate, hydrogenated tolylene diisocyanate, hydrogenated xylylene diisocyanate, and the like. Of these, alicyclic polyisocyanates and aromatic polyisocyanates are preferable, and aromatic polyisocyanates are particularly preferable.
- polyisocyanates (d) may be used alone or in combination of two or more.
- the amount of polyisocyanate used depends on the number of hydroxyl groups in the polyester polyol (c), the number of active hydrogens in the active hydrogen-containing carbon-carbon unsaturated compound (e), or the polyester polyol (c) and the active hydrogen-containing carbon.
- the active hydrogen reacting with at least one isocyanate in the molecule and at least one polymerizable carbon-carbon unsaturated bond
- the compound is not particularly limited as long as it has a bond, but is preferably a compound having one active hydrogen and one polymerizable carbon-carbon unsaturated bond in the molecule.
- the active hydrogen include a hydroxyl group, an amino group, a carboxyl group and the like, and a hydroxyl group is preferable.
- the polymerizable carbon-carbon unsaturated bond is not particularly limited as long as it is a carbon-carbon unsaturated group that participates in a polymerization reaction initiated by irradiation, heat, and various polymerization initiators. Vinyl bond ⁇ ⁇ ⁇ vinylidene bond.
- Preferred compounds (e) include, for example, (meth) acrylic acid; acrylamide, methacrylamide, N-methoxymethyl (meth) acrylamide, N-ethoxymethyl (meth) acrylamide and the like.
- Active hydrogen-containing (meth) acrylic acid derivatives such as (meth) acrylic acid amides; active hydrogen-containing (meth) acrylic acid esters; and active hydrogen-containing styrenes, among which active Hydrogen-containing (meth) acrylates and styrenes containing active hydrogen are preferred, and (meth) acrylates containing active hydrogen are most preferred.
- Examples of (meth) acrylates containing active hydrogen include (meth) acrylates containing hydroxyl groups, (meth) acrylates containing propyloxyl groups, and (meth) acrylates containing amino groups. Preferred are hydroxyl group-containing (meth) acrylates.
- hydroxyl group-containing (meth) acrylic acid ester for example, a compound represented by the general formula (7)
- R 9 represents a hydrogen atom or a methyl group
- A represents an alkyleneoxy group
- p represents an integer of 1 to 100.
- the compound represented by the general formula (7) when p is 1 is particularly preferred.
- a in the general formula (7) represents an alkyleneoxy group.
- A include, for example, a methyleneoxy group, an ethyleneoxy group, a propyleneoxy group, an isopropylene group oxy, a butyleneoxy group, an isobutyleneoxy group, a sec_butyleneoxy group, a tert-butyleneoxy group, a pentamethyleneoxy group, and a hexene group.
- Examples include a methyleneoxy group, an isohexyleneoxy group, an octamethyleneoxy group, a dodecylmethyleneoxy group, a tetradodecylmethyleneoxy group, and a pendodecylmethyleneoxy group.
- a lower alkyleneoxy group such as an isohexylene group is preferable, and a linear lower alkyleneoxy group such as a methyleneoxy group, an ethyleneoxy group, a propyleneoxy group, a butyleneoxy group, a pentamethyleneoxy group, and a hexymethyleneoxy group.
- p represents an integer of 1 to 100, preferably an integer of 1 to 50, more preferably an integer of 1 to 10 and most preferably 1.
- Examples of the acrylate in which p is 1 in the general formula (7) include, for example, hydroxymethyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and 3-hydroxy Propyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 6-hydroxyhexyl (meth) acrylate, 8-hydroxyoctyl (meth) acrylate, 2-hydroxylauryl (meth) Acrylates and the like.
- examples of the (meth) acrylate in which p is 2 to 100 include diethylene glycol mono (meth) acrylate, triethylene glycol mono (meth) acrylate, and polyethylene glycol mono (meth) acrylate.
- dipropylene glycol mono (meth) acrylate, tripropylene glycol (meth) acrylate, polypropylene glycol (meth) acrylate, etc. preferably diethylene glycol mono (meth) acrylate, triethylene glycol mono (meth) acrylate And dipropylene glycol mono (meth) acrylate and tripropylene glycol (meth) acrylate.
- Examples of (meth) acrylates of trihydric or higher polyhydric alcohols include, for example, glycerin di (meth) acrylate, pentaerythritol di (meth) acrylate, pentaerythritol tri (meth) atarylate, and trimethylolpropane di.
- (Meth) acrylates and the like preferably glycerin di (meth) acrylate, pendus erythitol tri (meth) acrylate, trimethylolpropane (meth) acrylate and the like.
- hydroxyl-containing (meth) acrylates include alkoxy groups such as 3-butoxy-2-hydroxypropyl (meth) acrylate and hydroxyl-containing (meth) acrylates; stearic acid-modified pen Modified acrylates such as eristol diacrylate; and the like.
- Rio represents a hydrogen atom or an alkyl group
- B represents a phenylene group
- X represents a hydroxyl group, an amino group or a carboxyl group, and is preferably a hydroxyl group.
- Specific examples of such compounds include, for example, p-hydro Xystyrene, P-carboxystyrene and the like.
- active hydrogen-containing polymerizable carbon-carbon unsaturated compounds (e) can be used alone or in combination of two or more.
- the dose of the compound (e) is usually 0.5 to 3, preferably 0.5 to 3, in terms of the ratio of the active hydrogen (equivalent) of the isocyanate group to the compound (d) and / or (f)] having the isocyanate group. Is in the range of 0.8 to 2, more preferably 1 to: L.5.
- the unsaturated (poly) urethane (ii) of the present invention can be produced by (1) simultaneously reacting the above-mentioned components [(c), (d) and (e)]. Further, the unsaturated (poly) urethane (ii) of the present invention is obtained by reacting the component (c) with the component (d) to produce a (poly) urethane compound (f) having an isocyanate group at the terminal, Then, the polyisocyanate-containing (poly) urethane compound (f) and the active hydrogen-containing carbon-carbon unsaturated compound ( e ) can be produced by reacting the polyisocyanate-containing (poly) urethane compound.
- the unsaturated (poly) urethane (ii) of the present invention is produced by reacting (3) (d) with (e) to produce a (poly) urethane compound (g) having an isocyanate group at the end, Reacting the terminal isocyanate-containing (poly) urethane compound (g) with a polyester polyol (c) obtained by polycondensing a polyhydric carboxylic acid component containing a polymerized fatty acid and / or a polymerized fatty acid ester with a polyhydric alcohol; It can be manufactured by reacting (3) (d) with (e) to produce a (poly) urethane compound (g) having an isocyanate group at the end, Reacting the terminal isocyanate-containing (poly) urethane compound (g) with a polyester polyol (c) obtained by polycondensing a polyhydric carboxylic acid component containing a polymerized fatty acid and / or a polymerized
- the amount of unreacted isocyanate groups after the reaction is usually 1 mol% of the amount of isocyanate before the reaction.
- each component may be appropriately adjusted so as to be preferably 0.5 mol% or less, more preferably 0.1 mol% or less.
- the hydroxyl group of component (c) and the active hydrogen of component (e) are used. It is charged so that the total amount of the amounts and the amount of the isocyanate group of the component (d) become approximately equivalent.
- the isocyanate group Z (hydroxyl group + active hydrogen) equivalent ratio is usually in the range of 0.5 to 3, preferably 0.7 to 2, more preferably 0.9 to 1.1
- the group / active hydrogen (equivalent) ratio is usually in the range of 0.2 to 5, preferably 0.5 to 2, more preferably 0.9 to 1.1.
- the reaction of (1) may be without a catalyst, but usually, triethylamine or morpholine Tertiary amines such as dibutyltin, piperazine, etc .; organometallic compounds such as dibutyltin dilaurate, octyltin acetate, monobutyltin oxide, stannous oleate, stannous tallate, lead octanoate, etc .; It is performed in the presence of a catalyst such as.
- the amount of the catalyst used is usually from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 10% by weight, based on the total amount of (c), (d) and (e).
- the reaction (1) may be carried out using a chemically inert solvent such as xylene, toluene, or 2-ethoxysethyl acetate, but is usually carried out without a solvent.
- the reaction temperature is generally in the range of 0 to 200 ° C, preferably 30 to 150 ° C, more preferably 50 to 120 ° C, and the reaction time is usually 0.5 to 15 hours, preferably 1 to 150 ° C. 110 hours, more preferably 2-8 hours.
- the first-stage reaction of (c) and (d) in (2) above is carried out such that the (poly) urethane compound (f), which is the reaction product, has an isocyanate group and a (Equivalent)
- the ratio is usually 1 or more, preferably 1 to 5, more preferably 1.1 to 3, most preferably 1.2 to 2.
- This reaction may be performed without a catalyst, but is usually performed in the presence of a catalyst such as a tertiary amine or an organometallic compound similar to the reaction (1).
- the amount of the catalyst used is usually from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 10% by weight, based on the total amount of (c) and (d). In the range of ⁇ 1% by weight.
- the reaction temperature is usually 0 to 200 ° C, preferably 30 to 150 ° ⁇ , more preferably 50 to 120 ° C, and the reaction time is usually 0.5 to 15 hours. It is preferably in the range of 1 to 10 hours, more preferably 2 to 8 hours.
- the second stage reaction (f) and (e) of the above (2) is carried out according to the number of polymerizable carbon-carbon unsaturations of the unsaturated (poly) urethane (i) of the present invention, which is a reaction product.
- the proportions of component (e) and component (c) are appropriately selected such that the number of components is at least two.
- the ratio of the component (f) to the component (e) is usually in the range of 0.5 to 3, preferably 1 to 2, and more preferably 1 to 1.5 in terms of the ratio of isocyanate group Z active hydrogen (equivalent).
- This reaction may be performed without a catalyst, but is usually performed in the presence of a catalyst such as a tertiary amine or an organometallic compound similar to the reaction (1).
- the amount of catalyst used is the sum of (f) and (e). It is usually in the range from 0.01 to 1% by weight, preferably from 0.05 to 0.5% by weight, based on the weight.
- the reaction temperature is usually in the range of 0 to 200 ° C, preferably 30 to 150 ° C, more preferably 50 to 120 ° C, and the reaction time is usually 0.5 to 15 hours. Preferably it is in the range of 1 to 10 hours, more preferably 2 to 8 hours.
- the first-stage reaction of reacting (d) and (e) in the above (3) is carried out so that the (poly) urethane compound (g) as a reaction product has an isocyanate group in the molecule.
- the reaction is usually performed in an active oxygen (equivalent) ratio of 1 or more, preferably 1 to 5, more preferably 1 to 3, and most preferably 1 to 2.
- This reaction may be performed without a catalyst, but is usually performed in the presence of a catalyst such as a tertiary amine or an organometallic compound similar to the reaction (1).
- the amount of the catalyst used is usually from 0.01 to 10% by weight, preferably from 0.05 to 5% by weight, more preferably from 0.1 to 1% by weight, based on the total amount of (d) and (e).
- the reaction temperature is usually in the range of 0 to 200 ° C, preferably 30 to 150 ° C, more preferably 50 to 120 ° C, and the reaction time is usually 0.5 to 15 hours. Preferably, it is in the range of 1 to 10 hours, more preferably 2 to 8 hours.
- the unsaturated (poly) urethane (i) of the present invention which is a reaction product, contains at least two polymerizable carbon monocarbons.
- the proportions of component (e) and component (c) are appropriately selected so as to have unsaturation.
- the ratio of component (g) to component (c) is generally in the range of 0.5 to 3, preferably 1 to 2, and more preferably 1 to 1.5 in terms of isocyanate group / hydroxyl group (equivalent) ratio. .
- This reaction may be carried out without a catalyst, but is usually carried out in the presence of a catalyst such as a tertiary amine or an organometallic compound similar to the reaction (1).
- the amount of the catalyst used is usually in the range of 0.01 to 1% by weight, preferably 0.05 to 0.5% by weight, based on the total amount of (g) and (c).
- the reaction temperature is usually 0 to 200 ° C, preferably 30 to 150 ° C, more preferably 50 to 120 ° C, and the reaction time is usually 0.5 to 15 hours, preferably Ranges from 1 to 10 hours, more preferably from 2 to 8 hours.
- a polymerization inhibitor in order to prevent a polymerization reaction of a polymerizable carbon-carbon bond.
- a polymerization inhibitor There is no particular limitation as long as it is generally used to prevent radical polymerization.
- the amount of the polymerization inhibitor to be used is generally 0.0001 to 0.5% by weight, preferably 0.0001 to 0.1% by weight, more preferably 0.1% by weight, based on the compound (c). The range is from 00 1 to 0.05% by weight.
- the unsaturated (poly) urethane (ii) of the present invention thus obtained is, for example, represented by the general formula (9)
- a polyester polyol (c) represented by the following formula: Using the general formula (10)
- R 9 and A in the formula (1 1) include those similar to the specific examples of R 9 and A in the general formula (7).
- Rii in the general formula (11) represents an alkylene group, a cycloalkylene group, a cycloalkylenealkylene group or an arylene group, preferably a cycloalkylenealkylene group or an arylene group, more preferably an arylene group. It is a len group.
- the alkylene group include a methylene group, an ethylene group, an n-propylene group, an isopropylene group, an n-butylene group, an isobutylene group, a sec-butylene group, a tert-butylene group, and an n-hexylene group. .
- cycloalkylene group For example, a cyclopentylylene group, a cyclohexylylene group and the like can be mentioned.
- examples of the cycloalkylenealkylene group include a cyclohexylenemethylene group and a cyclohexylethylene group, and 1 to 4 lower alkyl groups may be substituted.
- Examples of the arylene group include a phenylene group, a biphenylene group, a tolylene group, a naphthalene group and the like, and 1 to 4 lower alkyl groups may be substituted.
- P 2 in the general formula (11) represents a polyester chain obtained by polycondensation of a divalent carboxylic acid containing dimeric acid and a divalent alcohol.
- Q represents an integer of 1 to 20, preferably an integer of 1 to 10, and more preferably an integer of 1 to 5.
- the molecular weight of the unsaturated (poly) urethane (ii) of the present invention is preferably from 1,000 to 100,000 in terms of polystyrene-equivalent weight average molecular weight (M w) measured by gel-pumping-and-mouth chromatography (GPC). Ranges from 3,000 to 50,000, more preferably from 5,000 to 30,000. If the molecular weight of the unsaturated (poly) urethane (ii) is too small, the flexibility is poor, and if it is too large, the water resistance is poor.
- the curable resin composition of the present invention contains a polymerizable unsaturated compound (h) having at least two carbon-carbon unsaturated bonds in a molecule and a diluent (j), and comprises a polymerizable unsaturated compound.
- the compound (h) contains at least one polymerizable unsaturated compound selected from the unsaturated polyester (i) and the unsaturated (poly) urethane (ii).
- the content of the unsaturated polyester (i) and the unsaturated (poly) urethane (ii) in the polymerizable unsaturated compound is usually 50% by weight or more of the total polymerizable unsaturated compound (h), It is preferably at least 70% by weight, more preferably at least 90% by weight.
- the remainder of the polymerizable unsaturated compound (h) other than (i) and (ii) is not particularly limited as long as it has at least two polymerizable carbon-carbon unsaturated bonds in the molecule. Is particularly limited as long as it is generally used in the curable resin composition of Is not done.
- urethane acrylate oligomers of polyether polyols urethane acrylate oligomers of other polyester polyols
- urethane acrylate oligomers having both ether groups and ester groups examples include urethane acrylate oligomers of nate polyols.
- These polymerizable unsaturated compounds are used alone or in combination of two or more. These polymerizable unsaturated compounds are used alone or in combination of two or more.
- the diluent (j) is not particularly limited as long as it is generally used in ordinary curable resin compositions.
- a monovinyl compound is used.
- the monovinyl compound include aliphatic vinyl, aromatic vinyl, heterocyclic vinyl, unsaturated alcohol ester, unsaturated ether, and unsaturated carboxylic acid ester. Among these, unsaturated carboxylic acid esters are preferred.
- Examples of the aliphatic vinyl include ethylene, propylene, 1-butene, 1-hexene, 3-methyl-1-butene, 3_methyl_1_pentene, 4-methyl-1-1-1pentene, 1-octene, 1 —Olefin compounds having a carbon-carbon double bond at the molecular terminal, such as —nonene, 1-decene, 1-dodecene, and 1-octanedecene. Of these, higher olefins having a carbon-carbon double bond at the molecular terminal such as 1-octene, 1-nonene, 1-decene, 1-dodecene, and 11-year-old decene are preferred.
- aromatic vinyl examples include styrene, high methyl styrene, 2-methyl styrene, 3-methyl styrene, 4-methyl styrene, 2,4-diisopropyl styrene, 2,4-dimethyl styrene, 4-t-butyl styrene, — T-butyl-1-methylstyrene, monochlorostyrene, dichlorostyrene, monofluorostyrene and the like. Of these, styrene is preferred.
- heterocyclic vinyl examples include N-vinyl-2-pyrrolidone, N-vinyl imidazoline, N-vinyl caprolactam and the like.
- Unsaturated alcohols used in unsaturated alcohol esters and unsaturated ethers have usually 2 to 20 carbon atoms, preferably 2 to 10 carbon atoms, more preferably 2 to 6 carbon atoms. Things are used.
- Preferred examples of the unsaturated alcohol include vinyl alcohol, 1-methylvinyl alcohol, aryl alcohol, 10-pundene-1-ol, 1-octen-3-ol, 2-methanol norbornene, and p-hydroxystyrene. Among them, vinyl alcohol and 1-methylvinyl alcohol are particularly preferable.
- the ester of the unsaturated alcohol is not particularly limited as long as it is an ester compound of the above-mentioned unsaturated alcohol.
- a saturated carboxylic acid ester of the unsaturated alcohol is used.
- the saturated carboxylic acid has usually 1 to 20 carbon atoms, preferably:! ⁇ 10, more preferably 1 ⁇ 6.
- Examples of the saturated carboxylic acid include formic acid, acetic acid, propionic acid, butyric acid, valeric acid, octanoic acid, lauric acid, stearic acid, eicoic acid and the like, and preferably formic acid, acetic acid, propionic acid, butyric acid, valeric acid and the like. It is.
- esters of unsaturated alcohols include vinyl formate, aryl formate, vinyl acetate, aryl acetate, vinyl propionate, aryl aryl propionate, vinyl butyrate, aryl allyl butyrate, among which vinyl acetate, aryl allyl and the like. Is most preferred.
- the unsaturated ether is not particularly limited as long as it is an ether compound of the above-mentioned unsaturated alcohol.
- examples thereof include hydroxymethyl vinyl ether, 2-hydroxyethyl vinyl ether, hydroxymethyl propylenyl ether, and 2-hydroxyethyl isopropyl alcohol. And the like.
- Preferred examples thereof include hydroxymethyl vinyl ether and 2-hydroxyethylvinyl ether.
- an ester compound of acrylic acid / methacrylic acid is particularly preferable.
- Examples of the (meth) acrylic acid ester include an alkyl ester which may have a substituent such as acrylic acid ⁇ methacrylic acid, a cycloalkyl ester which may have a substituent, and a compound which may have a substituent.
- Examples include good aryl esters and aralkyl esters that may have a substituent, and among these, alkyl esters that may have a substituent are preferable.
- alkyl having no substituent of the alkyl ester examples include, for example, methyl, ethyl, propyl, isopropyl, butyl, amyl, hexyl, heptyl, and octyl. , 2-ethylhexyl, nonyl, isonoel, sec-noel, 1-ethylheptyl, 1-propylhexyl, 1-butylamyl, isoponyl, octyldecyl, etc.
- octyl 2- Higher alkyls such as ethylhexyl, nonyl, isononyl, sec-nonyl, 1-ethylheptyl, 1-propylhexyl, 1-butylamyl, isoponyl and octadecyl are preferred.
- the alkyl substituent is not particularly limited as long as it does not affect the reaction of the present invention. Examples thereof include a hydroxyl group, an alkoxy group, an aryloxy group, an alkylamino group, and a halogen atom. , An alkoxy group and an aryloxy group. As such an alkyl group having a substituent, a lower alkyl group having the substituent is particularly preferable.
- Examples of the cycloalkyl of the cycloalkyl ester include cyclopentyl, 2-methylcyclopentyl, cyclohexyl, 4-methylcyclohexyl and the like.
- Examples of aryls of aryl esters include phenyl and the like.
- Examples of the aralkyl of the aralkyl ester include benzyl, phenethyl and the like.
- Examples of the substituents of the cycloalkyl, aryl and aralkyl include the specific examples of the substituents of the above-mentioned alkyl group and the alkyl group.
- (meth) acrylates include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, and n_butyl (meth) acrylate.
- alkyl (meth) acrylate dihydroxyalkyl (meth) acrylate is preferred, and 2-ethylhexyl (meth) acrylate, 1-ethylheptyl (meth) acrylate, nonyl (meth) acrylate, isononyl
- Higher alkyl (meth) acrylate hydroxymethyl (meth) such as (meth) acrylate, 1-butylamyl (meth) acrylate, isoponyl (meth) acrylate, lauryl (meth) acrylate, octyl decyl (meth) acrylate ) Acrylate, 2-hydroxylethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxybutyrate Le (meth) Akurireto, 6-hydro alkoxy hexyl (meth) lower hydroxyal
- (meth) acrylates include, for example, 2-hydroxy-3-phenoxypropyl (meth) acrylate, 3-chloro-2-hydroxypropyl (meth) acrylate, 2-ethylhexyl carbitol acrylate Rates.
- diluents (j) can be used alone or in combination of two or more.
- the amount of the diluent (j) used should be the polymerizable unsaturated compound (h) 10
- the amount is usually 10 to 300 parts by weight, preferably 20 to 200 parts by weight, and more preferably 30 to 150 parts by weight with respect to 0 parts by weight.
- Curing of the curable resin composition of the present invention is not particularly limited, and may be performed by, for example, irradiation with heat or a line of active energy.
- irradiation with an active energy ray is performed.
- Active energy rays refer to ionizing radiation such as ultraviolet rays and electron rays, ⁇ rays, three rays, and ⁇ rays.
- the curable resin composition of the present invention comprises a photopolymerization initiator (k ) And a photosensitizer (m).
- an ionizing radiation such as an electron beam or a ⁇ -ray
- the curing can proceed promptly without including a photopolymerization initiator or a photosensitizer.
- the photopolymerization initiator (k) is not particularly limited as long as it generates a radical by light and the radical efficiently reacts with the polymerizable unsaturated compound.
- a known photopolymerization initiator is used. can do.
- photopolymerization initiator (k) examples include benzoin alkyl ether compounds such as benzoin ethyl ether and benzoin isobutyl ether; benzophenone, methyl orthobenzoyl benzoate, and 4,4'-dichlorobenzene benzopheno.
- Benzophenone compounds such as benzophenone; benzyl compounds such as dibenzyl and benzyldimethylketal; 2,2-diethoxyacetophenone, 2-hydroxy-2-methylpropiophenone, 4-isopropyl-12-hydroxy-1-methylpropyl pifenenone
- Acetophenone compounds such as 1,1,1-dichloroacetophenone, 2,2-diethoxyacetophenone and 4'-phenoxy-12,2-dichloroacetophenone
- anthraquinone compounds such as 2-ethylanthraquinone, 2-chloroanthraquinone and naphthoquinone
- 2-hydroxy-2-methylpropiophenone, 4'-dodecyl-2-hydroxy-2 —Propiofenone compounds such
- photopolymerization initiators (k) can be used alone or in combination of two or more.
- the amount of photopolymerization initiator (k) used depends on the polymerizable monomer component
- the amount is usually 0.1 to 20 parts by weight, preferably 0.5 to 15 parts by weight, more preferably 1 to 10 parts by weight, per 100 parts by weight.
- the photosensitizer (m) is not particularly limited as long as it is used in a usual photocurable resin composition, and examples thereof include aliphatic amines such as methylamine, triptylamine, n-methylgenoleamine, and the like; Aromatic amines such as diphenylamine, tribenzylamine, and the like; o-tolylthiourea, sodium getyl dithiophosphate, s-benzylisothiuronium dimethyl compounds such as p_toluenesulfone; N, N Nitrites such as di-substituted mono-p-aminobenzononitrile compounds; Phosphorous compounds such as tri-n-butylphosphine; Nitrosamines such as N-nitrosohydroxylamine Can be done.
- aliphatic amines such as methylamine, triptylamine, n-methylgenoleamine, and the like
- Aromatic amines such as diphenylamine, tribe
- photosensitizers (m) can be used alone or in combination of two or more.
- the amount of the photosensitizer (m) to be used is appropriately selected within a range that does not impair the effects of the present invention.
- a polymerization inhibitor (n) is preferably added to prevent polymerization during storage.
- the polymerization inhibitor (n) is not particularly limited as long as it is used in a usual curable resin composition, and examples thereof include t-butylhydrid quinone, hydroquinone, 1,4-naphthoquinone, and parabenzoquinone. , Tolhide mouth quinone, p_tert-butylcatechol, 2,6-tert-butyl-4-methyl phenol and the like.
- polymerization inhibitors (n) can be used alone or in combination of two or more.
- the amount of the polymerization inhibitor (n) used in the curable resin composition is usually:! 11000 ppm, preferably 5 50500 ppm, more preferably 100 ⁇ 100 ppm.
- the curable resin composition of the present invention can be produced by mixing the above components according to a conventional method. Can be.
- the curable resin composition of the present invention may further contain, if necessary, other compounding agents generally used in ordinary curable resin compositions.
- Other compounding agents include, for example, natural and synthetic high molecular compounds disclosed in Japanese Patent Application Laid-Open No. Hei 7-26846; Japanese Patent Application Laid-Open No. Hei 7-26846. Fiber reinforced material; iron, chromium, nickel, cobalt or their alloys or their oxides; phenyl-2- ⁇ -naphthylamine, phenyl-3- / 3-naphthylamine, ⁇ , ⁇ '-diphenyl!
- Molded body The molded article of the present invention can be produced by curing the curable resin composition.
- the method of curing the curable resin composition can be performed according to a conventional method, and for example, can be performed by irradiating the active energy ray or applying heat.
- the method for producing a molded article of the present invention is particularly superior to the method using active energy ray irradiation, and ultraviolet irradiation is the most excellent.
- the ultraviolet light source include a xenon lamp, a low-pressure mercury lamp, a high-pressure mercury lamp, and an ultra-high-pressure mercury lamp.
- the atmosphere for irradiating the ultraviolet rays is preferably an atmosphere of an inert gas such as a nitrogen gas or a carbon dioxide gas or an atmosphere having a reduced oxygen concentration, but the curable resin composition of the present invention can be cured even in a normal air atmosphere. can do.
- the irradiation atmosphere may be at room temperature or may be heated positively to utilize heat for the curing reaction.
- the curing is usually performed in the range of 10 to 200.
- the molded article of the present invention is particularly useful as a gasket, for example, a gasket for sealing a casing of precision equipment such as a magnetic hard disk drive unit (HDD) of an electronic computer.
- gaskets are usually formed to have a width of l to 3 mm in contact with the substrate and a height of about 0.5 to 1.5 mm from the surface of the substrate, and the cross section is substantially semicircular. No.
- the production of such a gasket can be carried out by first shaping the curable resin composition of the present invention into a required shape (thread or sheet), and then irradiating with an active energy ray to cure. Further, in the present invention, the curable resin composition of the present invention is discharged onto a substrate such as a metal or a synthetic resin plate by an XYZ drive automatic coating robot, and is cured by irradiating ultraviolet rays. Can also be produced.
- the production of a gasket using the curable resin composition of the present invention is compared with a conventional method of molding into a sheet and then cutting out the ring or molding and then deburring. It has the advantage that a gasket can be formed with a much smaller amount of material, and that there is no need to process or install the gasket.
- the gasket thus obtained is extremely excellent in airtightness and durability at high temperature and humidity, and can be used for various applications by utilizing its characteristics.
- Molded products other than gaskets include, for example, FRP molding materials, putties, cast products, adhesives, inks, etc. Binder, sealing material, gel coat material, sealing material, waterproofing material, lining material, flooring material and the like.
- the measurement of physical properties was based on the following methods.
- the weight average molecular weight of the polyester was calculated as a standard polystyrene equivalent in accordance with the GPC method.
- the hydroxyl value of the polyester was measured according to "Standard Fat and Oil Analysis Test Methods 2, 4, 9, 2-83" (Japan Oil Chemistry Association).
- the sample was dissolved in dry toluene, an excess of di-n-butylamine solution was added and reacted, and the amount of remaining di-n-butylamine was determined by back titration with a hydrochloric acid standard solution.
- liquid paraffin as a solvent and isoamyl benzoate as an azeotropic solvent were added to the sample to form a solution, and the azeotropic solvent and free TDI were distilled out of the solution by vacuum distillation.
- the distilled free TDI was reacted by adding an excess of di- ⁇ -butylamine solution, and the remaining di- ⁇ -butylamine was determined by back titration with a hydrochloric acid standard solution.
- Adhesive property Apply the photo-curable resin composition to a polypropylene plate to a thickness of 50 / m, place the SUS 304 plate heated in advance at 140 for 4 minutes on the coating surface, Press for 10 seconds at a pressure of kg gcm2.
- the normal peel strength after 12 hours at 80 ⁇ X was measured at a tensile speed of 5 Omm / min.
- the airtightness of the gasket was measured using the test device shown in Fig. 3 in a constant temperature room at 25 ° C. That is, the metal plate 4 is placed on the test stand 6 with the gasket 5 facing down, and fixed to the stand with a fixing jig (not shown). Next, air is sent from the air supply pipe 7 to the lower space of the metal plate 4, and the air is sealed when the pressure of the water column reaches 3 Omm. After 10 minutes, the manometer 8 was read, and a pass was judged if the 3 Omm water column was maintained, and a reject was judged if the water column dropped even slightly.
- the weight gain (%) was measured, and then the sample was kept at a constant temperature of 25 ° C. After one hour in the room, the above airtightness test was performed.
- a metal plate to which a gasket of known weight was adhered was placed on a thermobalance, and the temperature was raised from 25 ° C to 60 ° C at a rate of 10 ° C per minute, and was maintained at 60 ° C after reaching 60 ° C. After 2 hours, the weight was measured, and the rate of weight loss per hour was determined.
- the obtained polyester polyol 1 had a weight average molecular weight of 3,980, an acid value of 0.23, a hydroxyl value of 86.5, and an average number of hydroxyl groups per molecule of 6.1.
- the obtained polyester polyol 2 had a weight average molecular weight of 6,300, an acid value of 0.3, a hydroxyl value of 41.4, and an average number of hydroxyl groups per molecule of 4.6.
- polyester polyol 2 prepared above was placed in a four-necked flask for 1,000 cc equipped with a stirrer, a thermometer, a reflux condenser, a water separator, and a nitrogen gas inlet tube, and 240 g of the polyester polyol 2 prepared above.
- 30.8 g of range isocyanate was charged, and 10 ppm of dibutyltin dilaurate was added as a catalyst and reacted at 60 ° C. for 4 hours. After the reaction, the hydroxyl value was 0.15 mgKmgHZg, and the NCO content was 2.73%.
- the obtained polyester polyol 3 had a weight average molecular weight of 9860, an acid value of 0.21, a hydroxyl value of 25.7, and an average number of hydroxyl groups per molecule of 4.5.
- the obtained polyester polyol 4 had a weight average molecular weight of 3660, an acid value of 0.35, a hydroxyl value of 89.8, and the number of hydroxyl groups per molecule was 5.9.
- polyester-based urethane acrylate (A-4) having an acryloyl group. ).
- the weight-average molecular weight of the obtained urethane acrylate was 14,800, and the amount of the remaining isocyanate was 0.03% by weight.
- the obtained polyester polyol 5 had a weight average molecular weight of 5120, an acid value of 0.3, a hydroxyl value of 63.5, and an average number of hydroxyl groups per molecule of 5.8.
- the amount of residual isocyanate was 12, 70, and the amount of residual isocyanate was 0.02% by weight.
- the obtained polyester polyol 6 had a weight average molecular weight of 4,700, an acid value of 0.1, a hydroxyl value of 57, and an average number of hydroxyl groups per molecule of 4.8.
- Reference Example 1 70 parts of the unsaturated polyester (A-1) to (A-5) obtained in Examples 1 to 5 or (B-1) obtained in Reference Example 1, and 4-hydroxybutyl acrylate 15 parts, 35 parts of isoporyl acrylate, 10 parts of 2-ethylhexyl carbitol acrylate, 1 part of photopolymerization initiator (I RGACURE-184; manufactured by Ciba-Geigy) After blending and mixing, the mixture was spread on a quartz glass plate, and a quartz glass was placed on a spacer with a thickness of 2 mm. This was irradiated with ultraviolet light of 1200 mJ Zcm 2 to prepare a cured sheet, and various tests were performed. Table 1 shows the results.
- Table 1 shows that polyester polyols obtained from polycarboxylic acids containing polymerized fatty acids
- Photocurable resin composition of the present invention containing unsaturated polyester using polyester (Example)
- the obtained polyester polyol 7 had a weight average molecular weight of 630.
- the acid value was 0, the acid value was 0.3, the hydroxyl value was 41.4, and the average number of hydroxyl groups per molecule was 4.6.
- the obtained polyester polyol 8 had a weight average molecular weight of 3540, an acid value of 0.1, a hydroxyl value of 57.3, and an average number of hydroxyl groups per molecule of 3.6.
- FIG. 1 is a plan view of the formed dustproof cover.
- a gasket 5 having a width of 2.0 mm at a portion in contact with the metal plate and a height of 1.0 mm from the metal plate surface is formed around the metal plate 4.
- the curable resin composition was cured by ultraviolet light after being discharged, and had a substantially semicircular cross section and was adhered to the metal plate 4. According to the present invention, since the gasket is molded and set at a predetermined position, it can be simply and efficiently manufactured. Table 3 shows the results of various tests on the manufactured gaskets. Table 3
- the gasket prepared by irradiating the curable resin composition of the present invention with ultraviolet rays has sufficient airtightness and durability under high temperature and high humidity. .
- it has low heating loss and has no components that evaporate from the gasket, indicating that it is suitable for precision equipment.
- a polymerizable unsaturated compound excellent in curability, and also excellent in adhesiveness, heat resistance, water resistance and flexibility, and a curable resin composition containing the polymerizable unsaturated compound are obtained. Can be provided.
- the curable resin composition and a molded article obtained by curing the curable resin composition can be used for FRP molding materials, putties, cast articles, binders such as adhesives and inks, and binders. It can be used for civil engineering and architectural applications such as gel materials, gaskets and coatings, for example, gel coat materials, sealing materials, waterproofing materials, lining materials, flooring materials, etc.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polyurethanes Or Polyureas (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04059896A JP3560096B2 (ja) | 1996-02-02 | 1996-02-02 | 重合性不飽和化合物及びそれを含む硬化性樹脂組成物並びに成形体 |
KR10-1999-7008143A KR100507663B1 (ko) | 1997-03-07 | 1997-03-07 | 중합성 불포화 화합물, 그를 함유하는 경화성 수지 조성물 및 그의 경화 제품 |
PCT/JP1997/000721 WO1998039375A1 (fr) | 1996-02-02 | 1997-03-07 | Composes insatures polymerisables, compositions de resine durcissables les contenant et leurs produits de durcissement |
EP97905465A EP0980882B1 (en) | 1997-03-07 | 1997-03-07 | Polymerizable unsaturated compounds, curable resin compositions containing the same, and products of curing thereof |
DE69738655T DE69738655T2 (de) | 1997-03-07 | 1997-03-07 | Polymerisierbare ungesättigte verbindungen, härtbare zusammensetzungen die diese verbindungen enthalten und ihre härtungsprodukte |
US09/380,449 US6277929B1 (en) | 1997-03-07 | 1997-03-07 | Polymerizable unsaturated compounds, curable resin compositions containing the same, and products of curing thereof |
AT97905465T ATE393182T1 (de) | 1997-03-07 | 1997-03-07 | Polymerisierbare ungesättigte verbindungen, härtbare zusammensetzungen die diese verbindungen enthalten und ihre härtungsprodukte |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04059896A JP3560096B2 (ja) | 1996-02-02 | 1996-02-02 | 重合性不飽和化合物及びそれを含む硬化性樹脂組成物並びに成形体 |
PCT/JP1997/000721 WO1998039375A1 (fr) | 1996-02-02 | 1997-03-07 | Composes insatures polymerisables, compositions de resine durcissables les contenant et leurs produits de durcissement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998039375A1 true WO1998039375A1 (fr) | 1998-09-11 |
Family
ID=14180180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/000721 WO1998039375A1 (fr) | 1996-02-02 | 1997-03-07 | Composes insatures polymerisables, compositions de resine durcissables les contenant et leurs produits de durcissement |
Country Status (6)
Country | Link |
---|---|
US (1) | US6277929B1 (ja) |
EP (1) | EP0980882B1 (ja) |
KR (1) | KR100507663B1 (ja) |
AT (1) | ATE393182T1 (ja) |
DE (1) | DE69738655T2 (ja) |
WO (1) | WO1998039375A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0127252D0 (en) * | 2001-11-13 | 2002-01-02 | Vantico Ag | Production of composite articles composed of thin layers |
US6808788B2 (en) * | 2002-05-17 | 2004-10-26 | The University Of Maine | Method for strengthening wood products and modified unsaturated polyester resins therefor |
JP2004175866A (ja) * | 2002-11-26 | 2004-06-24 | Nippon Kayaku Co Ltd | 光ディスク用接着剤組成物、硬化物および物品 |
AT503373A1 (de) * | 2003-08-27 | 2007-09-15 | Surface Specialties Austria | Strahlenhärtbares ungesättigtes polyesterurethanharz |
JP2005133034A (ja) * | 2003-10-31 | 2005-05-26 | Fuji Xerox Co Ltd | 脂肪族ポリエーテルケトン類ポリマー、および樹脂組成物 |
JP4831065B2 (ja) * | 2005-01-25 | 2011-12-07 | 大日本印刷株式会社 | 賦型シート |
US8187695B2 (en) * | 2005-09-30 | 2012-05-29 | Dai Nippon Printing Co., Ltd. | Shaping sheet, resin decorative material and method of producing the same |
US20090246411A1 (en) * | 2008-03-25 | 2009-10-01 | Fenton Jarrod | System and method of sealing seams of heating and cooling products |
WO2009133817A1 (ja) * | 2008-04-28 | 2009-11-05 | 日立化成工業株式会社 | 感光性樹脂組成物、感光性エレメント、レジストパターンの形成方法、及び、プリント配線板の製造方法 |
WO2009147913A1 (ja) * | 2008-06-02 | 2009-12-10 | 日立化成工業株式会社 | 感光性樹脂組成物、感光性エレメント、レジストパターンの製造方法、及びプリント配線板の製造方法 |
JP2011034633A (ja) * | 2009-07-31 | 2011-02-17 | Fujifilm Corp | 放射線硬化性ポリウレタン樹脂組成物およびその製造方法、ポリウレタン樹脂、磁気記録媒体、ならびに、放射線硬化性ポリウレタン樹脂用保存安定剤 |
EP2445029A1 (en) | 2010-10-25 | 2012-04-25 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Multilayered protective layer, organic opto-electric device and method of manufacturing the same |
EP2445028A1 (en) | 2010-10-25 | 2012-04-25 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Opto-electric device and method of manufacturing an opto-electric device |
WO2012096625A1 (en) * | 2011-01-11 | 2012-07-19 | Spn Intl Pte Ltd | A coating process for hard disk drive enclosures or components |
DE112014000568B4 (de) | 2013-01-25 | 2023-09-07 | Axalta Coating Systems Gmbh | Zusammensetzung zum Fixieren von bewickelten Gegenständen, Verfahren zu deren Herstellung, Verfahren zum Fixieren von bewickelten Gegenständen und bewickelter Gegenstand |
US10767073B2 (en) * | 2016-10-18 | 2020-09-08 | Ppg Industries Ohio, Inc. | Curable film-forming compositions containing hydroxyl functional, branched acrylic polymers and multilayer composite coatings |
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JPH06298893A (ja) * | 1993-04-20 | 1994-10-25 | Dainippon Ink & Chem Inc | ポリウレタン樹脂の製造方法 |
JPH07216073A (ja) * | 1994-01-27 | 1995-08-15 | Hitachi Chem Co Ltd | 不飽和ポリエステル樹脂組成物およびパテ塗料 |
JPH08269153A (ja) * | 1995-03-31 | 1996-10-15 | Nippon Zeon Co Ltd | 熱硬化性樹脂および熱硬化性樹脂組成物 |
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JPS5876414A (ja) | 1981-10-30 | 1983-05-09 | Okura Ind Co Ltd | 嫌気硬化性組成物及びその製造方法 |
DE4437535A1 (de) * | 1994-10-20 | 1996-04-25 | Basf Lacke & Farben | Polyurethanmodifziertes Polyacrylat |
-
1997
- 1997-03-07 US US09/380,449 patent/US6277929B1/en not_active Expired - Fee Related
- 1997-03-07 AT AT97905465T patent/ATE393182T1/de not_active IP Right Cessation
- 1997-03-07 DE DE69738655T patent/DE69738655T2/de not_active Expired - Lifetime
- 1997-03-07 EP EP97905465A patent/EP0980882B1/en not_active Expired - Lifetime
- 1997-03-07 KR KR10-1999-7008143A patent/KR100507663B1/ko not_active IP Right Cessation
- 1997-03-07 WO PCT/JP1997/000721 patent/WO1998039375A1/ja active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06298893A (ja) * | 1993-04-20 | 1994-10-25 | Dainippon Ink & Chem Inc | ポリウレタン樹脂の製造方法 |
JPH07216073A (ja) * | 1994-01-27 | 1995-08-15 | Hitachi Chem Co Ltd | 不飽和ポリエステル樹脂組成物およびパテ塗料 |
JPH08269153A (ja) * | 1995-03-31 | 1996-10-15 | Nippon Zeon Co Ltd | 熱硬化性樹脂および熱硬化性樹脂組成物 |
Also Published As
Publication number | Publication date |
---|---|
ATE393182T1 (de) | 2008-05-15 |
KR100507663B1 (ko) | 2005-08-09 |
DE69738655T2 (de) | 2009-06-10 |
US6277929B1 (en) | 2001-08-21 |
EP0980882B1 (en) | 2008-04-23 |
EP0980882A1 (en) | 2000-02-23 |
KR20000076055A (ko) | 2000-12-26 |
DE69738655D1 (de) | 2008-06-05 |
EP0980882A4 (en) | 2000-07-19 |
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