WO2003104295A1 - アセナフチレン変性フェノール性樹脂及びエポキシ樹脂組成物 - Google Patents
アセナフチレン変性フェノール性樹脂及びエポキシ樹脂組成物 Download PDFInfo
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- WO2003104295A1 WO2003104295A1 PCT/JP2003/007360 JP0307360W WO03104295A1 WO 2003104295 A1 WO2003104295 A1 WO 2003104295A1 JP 0307360 W JP0307360 W JP 0307360W WO 03104295 A1 WO03104295 A1 WO 03104295A1
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- acenaphthylene
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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
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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
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
Definitions
- the present invention relates to a phenolic resin useful as a curing agent for an epoxy resin, an epoxy resin intermediate, and the like.
- the present invention relates to an epoxy resin composition useful for a circuit board material and the like and a cured product thereof.
- Epoxy resins have been used in a wide range of industrial applications, but their required performance has been increasingly sophisticated in recent years.
- semiconductor encapsulants are a typical field of resin compositions containing epoxy resin as the main component.As semiconductor devices become more integrated, package sizes are becoming larger and thinner, and packaging is being carried out. The method is also shifting to surface mounting, and the development of materials with excellent solder heat resistance is desired. Therefore, as a sealing material, in addition to reducing moisture absorption, there is a strong demand for improved adhesion / adhesion at interfaces between different materials such as lead frames and chips.
- Japanese Patent Application Laid-Open No. Hei 9-208673 discloses that indene or indene oligomer-modified phenolic resin is applied to an epoxy resin composition as a curing agent, and has a low hygroscopicity. It is disclosed that it has excellent low dielectric properties, but it cannot be expected to improve the flame retardancy. Furthermore, heat resistance is not enough. Further, US Pat. No. 5,173,448 describes a method of reacting indene with phenol and epoxidizing the reaction product to obtain an epoxy-modified hydrocarbon resin.
- An object of the present invention is to provide a phenolic compound useful as an epoxy resin intermediate, a curing agent for an epoxy resin composition, and the like.
- the other purpose is electricity that gives a cured product with excellent moldability and low moisture absorption, heat resistance, adhesion and flame retardancy.
- Another object of the present invention is to provide an epoxy resin composition useful for the above, and a cured product thereof.
- the present invention relates to a phenol selected from a phenol resin or a polyhydric phenol.
- Acenaphthylene-modified phenol obtained by adding 3 to 50 parts by weight of acenaphthylene to 100 parts by weight of acenaphthylene and subjecting 30 to 100 mol% of the acenaphthylene to an addition reaction to the phenolic compound Resin.
- the present invention uses 3 to 50 parts by weight of acenaphthylene with respect to 100 parts by weight of a phenolic compound selected from a phenol resin or a polyhydric phenol, and obtains 30 to 100% by mole of acenaphthylene.
- a method for producing an acenaphthylene-modified phenolic resin characterized by reacting phenolic compounds with phenolic compounds.
- the present invention is an epoxy resin obtained by reacting this acenaphthylene-modified phenolic resin with epichlorohydrin.
- the present invention provides an epoxy resin composition comprising the above-mentioned acenaphthylene-modified phenolic resin or epoxy resin as a curing agent component or an epoxy resin component, and a method of curing this epoxy resin composition. It is a cured epoxy resin.
- the acenaphthylene-modified phenolic resin of the present invention is obtained by adding a part or all of the acenaphthylene to a phenolic compound (a phenolic resin having two or more phenolic hydroxyl groups, a polyvalent phenol, or both). It is obtained by reacting.
- the acenaphthylene-modified phenolic resin is obtained by substituting, on average, at least 0.1 acenaphthylene or an oligomer of an acenaphthylene with an OH group of a phenolic compound or a polyhydric phenol having an OH group. And other unreacted phenolic compounds such as acenaphthylene homologues.
- the excellent heat resistance, adhesiveness, moisture resistance and flame retardancy, which are the effects of the present invention, largely depend on the content of the acenaphthylene structure in the acenaphthylene-modified fu ⁇ ol resin.
- the amount of the acenaphthylene used in preparing the acenaphthylene-modified phenolic resin is in the range of 3 to 50 parts by weight, preferably 5 to 40 parts by weight, based on 100 parts by weight of the phenolic compound. It is preferably in the range of 8 to 30 parts by weight. If the amount is less than this, the heat resistance and the flame retardancy, which are the effects of the present invention, are hardly exhibited. If the amount is larger than this, the content of the remaining unreacted acenaphthylenes will increase, resulting in molding defects such as mold stains and voids, and a decrease in the effects of the cured product such as heat resistance and flame retardancy. However, the mechanical strength also decreases.
- the amount of the acenaphthylene used is larger than this, the amount of the acenaphthylene homooligomer produced by the polymerization of the acenaphthylene itself generated as a side reaction in the course of the addition reaction increases. If the amount of the homo-oligomers increases, the viscosity will increase and the moldability will decrease, and the homo-oligomer itself will not participate in the curing reaction, so its performance such as heat resistance and flame retardancy will decrease, and in some cases, In the process, there may be a problem such as mold contamination due to the homo-oligomer's pre-adhesion, which may cause a reduction in moldability.
- acenaphthylene used in the present invention include acenaphthylene or methylacenaphthylene, ethinoreasenaphthylene, propyl / raesenaphthylene, phenylacenaphthylene and the like.
- Such acenaphthylenes are usually It can be synthesized by dehydrogenating senaphthenes.
- the purity of the acenaphthylenes used in the present invention is preferably as high as possible.
- acenaphthenes and alkylnaphthalenes are often contained, but when these are too large, the flame retardancy, heat resistance, mechanical strength, etc. of the cured product are reduced.
- acenaphthylene-modified phenolic resin when preparing the acenaphthylene-modified phenolic resin, other monomers having an unsaturated bond other than the acenaphthylenes can be allowed to coexist with the acenaphthylenes.
- monomers include indene, alkylindenes, benzothiophene, methylbenzothiophenes, benzofuran, methinobenzobenzofurans, styrene, anoalkyl styrenes, polymethylstyrene, vinylnaphthalene, and vinyl / phthalene.
- Rebifene / re dibierbenzenes-diisopropenylbenzenes, acrylic acid, acrylic esters, methacrylic acid, methacrylic esters, maleic anhydride, fumaric acid, etc.
- the abundance of other monomers may be kept at 30 wt% or less, preferably at 10 wt% or less.
- the other monomers can be used alone or in combination of two or more. From the viewpoint of the physical properties of the cured product, the higher the content of acenaphthylene in the monomer having an unsaturated bond, the better.
- the acenaphthylene to be contained in the polymerization is usually 60 wt% or more in the polymerizable component. Is at least 70 wt%, more preferably at least 80 wt%, further preferably at least 90 wt%.
- the phenolic compound used as a raw material in the present invention refers to all compounds having two or more phenolic hydroxyl groups in one molecule, for example, bisphenol Nore A, Bisphenolone F, Bisphenolone S, Fusoleolene Bisphenolene, 4,4, -Biphenolone, 2,2'-Biphenolone, Hydroquinone, Resonolenzine, Naphthalenediol, etc.
- Phenols or tris- (4-hydroxyphenyl) methane, 1,1,2,2-tetrakis (4-hydroxyphenyl) ethane trivalent phenols, phenol phenols, o -There are trivalent or more polyvalent phenols and phenol resins represented by cresol novolak, naphthol nopolak, polyvinyl phenol and the like.
- phenol monovalent phenols such as alkylphenols substituted with an alkyl group having 1 to 6 carbon atoms, naphthols, or bisphenol phenol A, bisphenol phenol F, bisphenol phenol S, fluorene bisphenol, 4,4'-biphenol , 2, 2 '-divalent phenols such as biphenolone, hydroquinone, resorcin, naphthalene diol, etc., formaldehyde, acetonorehide, benzanolehide, p-hydroxylbenzobenolehide,:- Xylylene glycol cornole, p-xylylene glycol corn resinethyl ether, 4,4, -dimethoxymethylbiphenyl, 4,4'-dimethoxymethyldiphenyl ether, divinylbenzenes, divinylenobiphenyl, dibutyl Reaction with cross-linking agents such as naphthalenes There
- the phenolic compound referred to in the present invention is generally used in the sense that it includes a polyhydric phenol in addition to what is called a phenolic resin.
- One preferred phenolic compound is a phenolic resin.
- the phenolic resin is a phenolic resin synthesized by reacting the above monovalent phenols or divalent phenols with a crosslinking agent.
- Preferable phenol resins include phenol and an alkyl group substituted with an alkyl group having 1 to 6 carbon atoms.
- R is - C n H 2 n -, n represents the number of 1 ⁇ 6, a r is the number 6-1 5 carbon
- a phenolic resin having an aralkyl structure formed by condensing an agent.
- a phenolic resin having an aralkyl structure is particularly preferable because it has excellent reactivity with acenaphthylene and further has excellent flame retardancy and moisture resistance when it is a cured product.
- Specific examples include phenol or naphthyl aralkyl resins having a 1,4-phenylene group and a 4,4′-biphenylene group.
- the reaction between the phenolic compound and the acenaphthylenes can use a well-known catalyst such as an inorganic acid or an organic acid, but it is preferable to perform the reaction only by heat without using a catalyst.
- the temperature at this time is usually 40 to 150 ° C, preferably 60 to 130 ° C. If it is lower than this, the addition reaction takes a long time, and if it is higher than this, the amount of acenaphthylene homooligomers produced by polymerization of the acenaphthylenes itself generated by the side reaction increases.
- the reaction time is usually 30 minutes to 20 hours.
- the acenaphthylene-modified phenolic resin of the present invention can be prepared by controlling the reaction time.
- the catalyst may be, for example, hydrochloric acid, Mineral acids such as sulfuric acid and phosphoric acid; organic acids such as formic acid, oxalic acid, trifluoroacetic acid, p-toluenesulfonic acid, and methanesulfonic acid; zinc chloride, aluminum chloride, iron chloride, and boron trifluoride And solid acids such as activated clay, silica alumina and zeolite.
- the amount of the catalyst used in this case is usually in the range of 0.01 to 5 wt% based on the total amount of the phenolic compound and the acenaphthylenes used.
- the reaction temperature is usually 40 to 150 ° C., and the reaction time is usually 0.5 to 1 hour.
- phenolic alcohols such as methanol, ethanol, propanol, butanol, ethylene glycol, methyl sorb and ethyl sorb, ketones such as acetone, methyl ethyl ethyl ketone and methyl isobutyl ketone, and dimethyl ether Ethers such as tenor, getyl ether, diisopropyl propyl ether, tetrahydrofuran, dioxane and the like, and aromatic compounds such as benzene, tonolene, cyclobenzene, dichlorobenzene and the like can be used as a solvent.
- the removal of the catalyst after the reaction is carried out by washing with water or by adding an excessive amount of calcium hydroxide to the used catalyst to form a hardly soluble neutralized salt, followed by filtration.
- the amount of residual acenaphthylene is preferably 70 wt% or less, preferably 30 wt% or less, and more preferably 10 wt% or less. If the amount is more than this, the heat resistance and the flame retardancy of the cured product decrease.
- the content of the acenaphthylene homo-oligomers in the acenaphthylene-modified phenolic resin was 30 ⁇ .
- the content of the unmodified phenolic compound in the acenaphthylene-modified phenolic resin is preferably at most 80 wt%, preferably at most 70 wt%, more preferably at most 60 wt%.
- Unreacted acenaphthylenes can be removed from the system after preparing the acenaphthylene-modified phenolic resin of the present invention.
- a removing method a method such as vacuum distillation and steam distillation can be applied.
- the reaction mixture produced by the addition reaction of the production method of the present invention contains at least one acenaphthylene group-substituted phenolic compound in which at least one acenaphthylene is added to an aromatic ring having an OH group of the phenolic compound, and the unreacted phenolic compound Compound, unreacted acenaphthylenes or acenaphthylene homologers.
- it may contain the solvent and catalyst used in the reaction. From these, if necessary, an acenaphthyl group-substituted phenolic compound can be separated and purified to obtain the acenaphthylene-modified phenolic resin of the present invention.
- the acenaphthylene-modified phenolic resin of the present invention contains 20 to 100 wt%, preferably 30 to 90 wt%, of an acenaphthenyl group-substituted phenolic compound in a solid content excluding a solvent, and other components. It is preferable to include an unmodified phenolic resin, and the total of the two is preferably in the range of 70 to 100% by weight, preferably in the range of 80 to 100% by weight. The remaining solid components are mainly unreacted acenaphthylenes and acenaphthylene homooligomers.
- the preferred melt viscosity at 150 ° C. of the acenaphthylene-modified phenolic resin is 5 mPa as to 800 mPa as, more preferably 10 mPa as. 0
- the Pa ⁇ s force is 40 ° m Pa's.
- the softening point is preferably 30 to 150 ° C (more preferably, 40 to 120 ° C. If the softening point is lower than this, there is a problem of blocking during storage, and if it is higher than this, epoxy is used. There is a problem in kneadability and moldability at the time of preparing the resin composition
- the acenaphthylene-modified phenolic resin of the present invention can be reacted with epichlorohydrin to obtain the epoxy resin of the present invention.
- the acenaphthylene-modified phenolic resin and the epoxy resin can be used as one component of an epoxy resin composition containing an epoxy resin and a curing agent.
- the epoxy resin composition of the present invention contains at least an epoxy resin and a curing agent, and may contain the acenaphthylene-modified phenolic resin as a curing agent, or may contain an epoxy resin. And the above-mentioned epoxy resin of the present invention.
- the hydroxyl group in the acenaphthylene-modified phenolic resin is usually from 0.8 to 1 per mole of epoxy group in the epoxy resin. It is blended in a range of 2 moles. Whether it is smaller or larger, There is a problem that heat resistance, mechanical strength, and flame retardancy decrease because the bridge density decreases.
- the above compounding amount is a case where only the acenaphthylene-modified phenolic resin of the present invention is used as a curing agent, and when another curing agent is used in combination, the amount is deducted.
- this epoxy resin composition there is a method of blending the epoxy resin with the acenaphthylene-modified phenolic resin of the present invention. Separately, there is a method in which an epoxy resin, a phenolic compound, and acenaphthylenes are separately separated and mixed, and an addition reaction is performed between the phenolic compound and acenaphthylenes in the presence of the epoxy resin. At this time, after mixing the epoxy resin and the phenolic compound, acenaphthylenes may be added to form a mixture.
- the preferred temperature range is 70 to 20 ° C., and the reaction time is usually 10 minutes to 10 hours.
- a small amount of the epoxy resin and the acenaphthylene may be produced by the addition reaction.
- a method of performing the heating and melting mixing may be a reaction group with stirring blades, or a Henschel mixer or the like.
- a kneader such as a mixer, a roll kneader, or an eder may be used.
- epoxy resin used in the epoxy resin composition of the present invention is selected from those having two or more epoxy groups in one molecule.
- Bisphenol A Bisphenol F, Bisphenol S, Phenolelenbisph Enolole, 4, 4'-biphenol, 2,2'-biphenol, tetrahydromobisphenol A, hydroquinone, resonoresin, and other divalent phenols, or tris- (4-hydroxyphenyl) methane
- Novolak resins, phenols, cresols, etc. derived from trivalent or higher phenols such as 1,1,2,2-tetrakis (4-hydroxyphenyl) ethane, phenol, cresol, naphthol, etc.
- darcidyl ether compounds derived from phenolic resins such as aralkyl resins derived from naphthol.
- epoxy resins can be used alone or in combination of two or more.
- the above-mentioned epoxy resin of the present invention can also be used.
- the curing agent used in the epoxy resin composition other curing agents may be used in addition to the acenaphthylene-modified phenolic resin according to the present invention.
- other curing agents all those generally known as curing agents for epoxy resins can be used, and include dicyandiamide, acid anhydrides, phenols, aromatic and aliphatic amines, and the like. .
- the following are specific examples of the curing agent.
- Examples of the acid anhydride curing agent include phthalic anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, hexahydrophthalic anhydride, methynolehexahydrophthalic anhydride, and methyl anhydride
- phthalic anhydride tetrahydrophthalic anhydride
- methyltetrahydrophthalic anhydride methyltetrahydrophthalic anhydride
- hexahydrophthalic anhydride methynolehexahydrophthalic anhydride
- methyl anhydride There are citric acid, dodecyl-succinic anhydride, nadic acid anhydride, trimellitic anhydride and the like.
- the phenols include, for example, bisphenol A, bisphenol F. bisphenol A, bisphenol A, phenololenone bisphenol A, 4,4, -biphenol A.
- Divalent phenols such as 2,2'-biphenolone, hydroquinone, resorcinol, naphthalene diene, etc., are known as tris- (4-hydroxyphenyl) methane, 1,1,1,2 Trivalent represented by 2,2-tetrakis (4-hydroxyphenol) ethane, phenenolenovorac, ⁇ -cresoenorenoborac, naphthonorenoborac, poly-bufenphenol, etc. There are the above phenols.
- Polyvalent phenol resin synthesized with divalent phenols such as rangeols and condensing agents such as formaldehyde, acetate red, benzanolide, p-hydroxybenza / redide, and p-xylylene-le- danol Etc.
- Amines include 4,4'-diaminodiphenylmethane, 4,4'-diaminodiphenylinolepropane, 4,4'-diaminodipheninolesulfone, m-phenylenediamine, p-xylylene
- aromatic amines such as rangenamine
- aliphatic amines such as ethylenediamine, hexamethylenediamine, diethylenetriamine and triethylentramine.
- the acenaphthylene-modified phenolic resin of the present invention is at least 50 wt%. It is preferably at least 70 wt%, more preferably at least 90 wt%.
- an oligomer or a high molecular compound such as polyester, polyamide, polyimide, polyether, polyurethane, petroleum resin, and phenoxy resin is used as another modifier. May be appropriately compounded, The amount of addition is usually in the range of 2 to 30 parts by weight based on 100 parts by weight of the epoxy resin.
- the epoxy resin composition of the present invention may contain additives such as an inorganic filler, a pigment, a flame retardant, a thixotropic agent, a coupling agent, and a fluidity improver.
- additives such as an inorganic filler, a pigment, a flame retardant, a thixotropic agent, a coupling agent, and a fluidity improver.
- the inorganic filler include spherical or crushed fused silica, silica powder such as crystalline silica, alumina powder, glass powder, Myriki, talc, calcium carbonate, alumina, and hydrated alumina.
- the preferred compounding amount is 70. /. And more preferably at least 80 wt%.
- the pigment include organic or inorganic extender pigments and scaly pigments.
- the thixotropic agent include silicones, castor oils, aliphatic amide waxes, polyethylene oxides, and organic bentonites.
- curing accelerators can be used in the epoxy resin composition of the present invention, if necessary.
- examples include amines, imidazoles, organic phosphines, and Lewis acid.
- 1,8_diazabicyclo (5,4,0) ndene-7 triethylenediamine Tertiary amines such as benzyldimethylamine, triethanolamine, dimethylaminoethanol, and tris (dimethylaminomethyl) phenol, 2-methinolay midazonole, 2-phenylinomidazolone, 2-phenyl-1-4-methinolaymidazolone, 2-heptadecanole / Imidazonoles such as leimidazole, organic phosphines such as tributinolephosphine, methinolespheninolephosphine, triphenylinolephosphine, dipheninolephosphine, and pheninolephosphine, and tetrafeno
- Fenorebolate te Torafeninolefoshon ⁇ Echinoretri fenolporate, tetrabutylphosphonium- Tetra-substituted phosphodiest such as tetrabutylporate 'tetra-substituted porate, 2-ethyl-4-methylimidazole' tetraphenylphenyl, N-methylmorpholine ⁇ tetraphenylborate such as tetraphenylporate Salt.
- the amount of addition is usually in the range of 0.2 to 5 parts by weight based on 100 parts by weight of the epoxy resin.
- the resin composition of the present invention may contain a releasing agent such as carnauba wax and OP dex, a coupling agent such as ⁇ -glycidoxyprovir trimethoxysilane, a coloring agent such as carbon black, and the like.
- Flame retardants such as antimony oxide, low stress agents such as silicon oil, and lubricants such as calcium stearate can be used.
- the epoxy resin composition of the present invention may be in the form of a varnish in which an organic solvent is dissolved, and then impregnated into a fibrous material such as a glass cloth, an aramide nonwoven fabric, or a polyester nonwoven fabric such as a liquid crystal polymer. By removing the solvent, a pre-preda can be obtained.
- a laminate can be formed by applying the composition on a sheet material such as a copper foil, a stainless steel foil, a polyimide film, and a polyester film.
- the epoxy resin blended as the epoxy resin is the epoxy resin of the present invention, the above description is similarly applied except that the curing agent is optional.
- the epoxy resin of the present invention When the epoxy resin of the present invention is used in a mixture with another epoxy resin, the epoxy resin of the present invention should be used in an amount of at least 5 O wt% of the epoxy resin, preferably at least 8 O wt ° / 0. Is good. If the epoxy resin composition of the present invention is cured by heating, a cured epoxy resin It can be done.
- an epoxy resin composition containing a phenolic compound, an epoxy resin and acenaphthylenes is prepared, and a molding temperature of 150 ° C. or more is applied to advance the addition reaction between acenaphthylene and the fuenolic compound.
- a molding temperature 150 ° C. or more is applied to advance the addition reaction between acenaphthylene and the fuenolic compound.
- the molding time in this case is usually from 1 minute to 1 hour.
- FIG. 1 is an FD-MS spectrum diagram of the acenaphthylene-modified phenolic resin of Example 1
- FIG. 2 is an FD-MS spectrum of the acenaphthylene-modified phenolic resin of Example 2.
- FIG. 3 is a FD-MS spectrum diagram of the acenaphthylene-modified phenolic resin of Example 3.
- Modified resin A 198 g was obtained.
- the resulting modified resin A had a softening point of 51 ° C., a melt viscosity at 150 ° C. of 24 mPa ⁇ s, and a ⁇ H equivalent of 1332.
- the addition reaction rate of acenaphthylene determined by GPC measurement was 46%, and the amount of acenaphthylene homo-oligomers formed was 3 wt% or less. It was confirmed by measuring the FD-MS spectrum of the obtained modified resin A that the reaction of acenaphthylene proceeded by the addition reaction to phenol novolak. As shown in Fig.
- the viscosity was measured using an ICI type cone plate viscometer (CAP2000H type, manufactured by BROKIFIELD), and the softening point was measured by a ring and ball method according to JISK-6911.
- the GPC measurement conditions are as follows: the equipment: HLC-82A
- 1-naphthol aralkyl resin (OH equivalent: 208, Softening point Melt viscosity at 74 ° C and 150 ° C 35 mPas; Nippon Steel Chemical SN-475; phenolic resin B) 180 g, acenaphthylene 20 g ,
- modified resin B an acenaphthylene-modified phenolic resin (modified resin B).
- modified resin B has a softening point of 54 ° (:,
- the melt viscosity at 150 ° C. was 31 mPas and the OH equivalent was 236. G P.
- the addition reaction rate of acenaphthylene determined by the measurement was 99%, and the production of acenaphthylene homo-oligomers was not observed. Asenaphthylene
- phenol resin As phenol resin, phenol aralkyl resin (OH equivalent: 162, softening point: 50 ° C, melt viscosity at 150 ° C: 30 mPa ⁇ s; MEH-788 manufactured by Meiwa Kasei Co., Ltd.)
- An addition reaction was carried out in the same manner as in Example 2 using 0-4 L; phenol resin (C) to obtain 198 g of an acenaphthylene-modified funolic resin (modified resin C).
- the resulting modified resin C had a softening point of 59 ° C., a melt viscosity at 150 ° C. of 40 mPa ⁇ s, and an H equivalent of 184.
- Example 5 Using 140 g of phenol aralkyl resin (phenol resin C) and 60 g of acenaphthylene, the reaction was carried out in the same manner as in Example 3 to obtain 255 g of an acenaphthylene-modified phenolic resin (modified resin D).
- modified resin D had a softening point of 59 ° C., a melt viscosity at 150 ° C. of 64 mPa ⁇ s, and an OH equivalent of 234.
- the addition reaction rate of acenaphthylene determined by GPC measurement was 90%.
- Modified resin B obtained in Example 2 a l OO g was dissolved in Epiku Roruhi drill down 4 0 0 g, under vacuum (about 1 0 0 mmH g), 4 8% hydroxide sodium c at 6 0 ° C 34.8 g of the aqueous solution was added dropwise over 4 hours. During this time, the generated water was removed from the system by azeotropic distillation with epichlorohydrin, and the distilled epichlorohydrin was returned to the system. After the completion of the dropwise addition, the reaction was continued for another hour.
- the viscosity was 30 mPa's.
- the hydrolyzable chlorine was prepared by dissolving 0.5 g of resin sample in 30 ml of 1,4-dioxane and boiled and refluxed for 30 minutes with 5 ml of 1N-KOH / methanol solution. Were determined by potentiometric titration with a silver nitrate solution.
- epoxy resins A and B synthesized in Examples 5 and 6, o-cresol novolac type epoxy resin (epoxy equivalent 1 9 7, Softening point 54 ° C, melt viscosity at 150 ° C 90 mPas s; Nippon Kayaku EO CN-120; Epoxy resin C), 3, 3 ', 5 , 5'-Tetramethinole-4,4,-Epoxy terephthalate of dihydroxybiphenyl (epoxy equivalent: 195, hydrolyzable chlorine: 450 ppm, melting point: 105 ° C, 150 ° C Melt viscosity of 1 ImP a ⁇ s; manufactured by Japan Epoxy Resin YX-400 HK; epoxy resin D), phenolic resin used in Examples 1, 2, and 3 as a curing agent Using the modified resins A to D obtained in Examples A to C and Examples 1 to 4, silica (average particle size, 22 m) as a filler and triphenylphosphine
- Example 10 the powder was mixed at a ratio shown in Tables 1 and 2 using acenaphthylene pulverized to 30 mesh or less, and then kneaded with a heating roll to obtain an epoxy resin composition. It was a thing.
- the rate of addition of the acenaphthylene after the heating roll was determined by performing a Soxhlet extraction of the epoxy resin composition with toluene and analyzing the extraction amounts of the acenaphthylene monomer and homooligomers.
- the acenaphthylene-modified phenolic resin of the present invention is useful as an intermediate for epoxy resins and as a curing agent, and the epoxy resin composition obtained therefrom has excellent high heat resistance and flame retardancy, and has low It gives a cured product with excellent hygroscopicity. It can be suitably used for applications such as sealing of electrical and electronic components and materials for circuit boards.
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AU2003242221A AU2003242221A1 (en) | 2002-06-11 | 2003-06-10 | Acenaphthylene modified phenolic resin and epoxy resin composition |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008041749A1 (en) * | 2006-10-04 | 2008-04-10 | Nippon Steel Chemical Co., Ltd. | Epoxy resin, phenol resin, their production methods, epoxy resin composition and cured product |
WO2008111489A1 (ja) | 2007-03-08 | 2008-09-18 | Nippon Steel Chemical Co., Ltd. | 難燃性接着剤樹脂組成物及びそれを用いた接着剤フィルム |
US20140203190A1 (en) * | 2012-08-22 | 2014-07-24 | Empire Technology Development Llc | Optically active epoxy |
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JPS58176210A (ja) * | 1982-04-12 | 1983-10-15 | Nippon Steel Chem Co Ltd | 変性フエノ−ル樹脂の製造法 |
JPH11158100A (ja) * | 1997-11-26 | 1999-06-15 | Mitsui Chem Inc | フェノール性化合物及びその製造方法 |
JP2000204141A (ja) * | 1999-01-12 | 2000-07-25 | Nippon Steel Chem Co Ltd | 多価ヒドロキシ樹脂、エポキシ樹脂及びそれらを用いたエポキシ樹脂組成物並びにその硬化物 |
JP2001294623A (ja) * | 2000-04-11 | 2001-10-23 | Nippon Steel Chem Co Ltd | 芳香族オリゴマー、それを配合したフェノール樹脂組成物並びにエポキシ樹脂組成物およびその硬化物 |
JP2003160715A (ja) * | 2001-11-26 | 2003-06-06 | Nippon Steel Chem Co Ltd | 電子部品封止用エポキシ樹脂組成物及び電子部品 |
-
2003
- 2003-06-10 WO PCT/JP2003/007360 patent/WO2003104295A1/ja active Application Filing
- 2003-06-10 JP JP2004511362A patent/JP4237137B2/ja not_active Expired - Fee Related
- 2003-06-10 AU AU2003242221A patent/AU2003242221A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58176210A (ja) * | 1982-04-12 | 1983-10-15 | Nippon Steel Chem Co Ltd | 変性フエノ−ル樹脂の製造法 |
JPH11158100A (ja) * | 1997-11-26 | 1999-06-15 | Mitsui Chem Inc | フェノール性化合物及びその製造方法 |
JP2000204141A (ja) * | 1999-01-12 | 2000-07-25 | Nippon Steel Chem Co Ltd | 多価ヒドロキシ樹脂、エポキシ樹脂及びそれらを用いたエポキシ樹脂組成物並びにその硬化物 |
JP2001294623A (ja) * | 2000-04-11 | 2001-10-23 | Nippon Steel Chem Co Ltd | 芳香族オリゴマー、それを配合したフェノール樹脂組成物並びにエポキシ樹脂組成物およびその硬化物 |
JP2003160715A (ja) * | 2001-11-26 | 2003-06-06 | Nippon Steel Chem Co Ltd | 電子部品封止用エポキシ樹脂組成物及び電子部品 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008041749A1 (en) * | 2006-10-04 | 2008-04-10 | Nippon Steel Chemical Co., Ltd. | Epoxy resin, phenol resin, their production methods, epoxy resin composition and cured product |
TWI427093B (zh) * | 2006-10-04 | 2014-02-21 | Nippon Steel & Sumikin Chem Co | Epoxy resins, phenol resins, and the like, epoxy resin compositions and hardened materials |
WO2008111489A1 (ja) | 2007-03-08 | 2008-09-18 | Nippon Steel Chemical Co., Ltd. | 難燃性接着剤樹脂組成物及びそれを用いた接着剤フィルム |
US8268940B2 (en) | 2007-03-08 | 2012-09-18 | Nippon Steel Chemical Co., Ltd. | Flame-retardant adhesive resin composition and adhesive film using the same |
US20140203190A1 (en) * | 2012-08-22 | 2014-07-24 | Empire Technology Development Llc | Optically active epoxy |
US9376614B2 (en) * | 2012-08-22 | 2016-06-28 | Empire Technology Development Llc | Optically active epoxy |
Also Published As
Publication number | Publication date |
---|---|
JP4237137B2 (ja) | 2009-03-11 |
AU2003242221A1 (en) | 2003-12-22 |
JPWO2003104295A1 (ja) | 2005-10-06 |
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