WO2006123577A1 - 繊維強化熱溶融エポキシ樹脂の製造方法 - Google Patents
繊維強化熱溶融エポキシ樹脂の製造方法 Download PDFInfo
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- WO2006123577A1 WO2006123577A1 PCT/JP2006/309543 JP2006309543W WO2006123577A1 WO 2006123577 A1 WO2006123577 A1 WO 2006123577A1 JP 2006309543 W JP2006309543 W JP 2006309543W WO 2006123577 A1 WO2006123577 A1 WO 2006123577A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
- C08G59/245—Di-epoxy compounds carbocyclic aromatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/248—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using pre-treated fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2363/02—Polyglycidyl ethers of bis-phenols
Definitions
- the present invention relates to a method for producing a fiber-reinforced hot-melt epoxy resin, and more specifically, fiber reinforcement using a hot-melt epoxy resin having a high melting start temperature using a bifunctional compound having a fluorene skeleton.
- the present invention relates to a method for producing a hot-melt epoxy resin.
- Fiber Reinforced Thermoplastic Resin is a composite material in which the strength is improved by reinforcing the thermoplastic resin with reinforcing fibers, and the fiber reinforced thermosetting is achieved by reinforcing the thermosetting resin with reinforcing fibers.
- FRTP is generally formed and manufactured by a method of kneading a thermoplastic resin and reinforcing fibers.
- thermoplastic resin has a high molecular weight
- the reinforcing fiber is not sufficiently impregnated with the thermoplastic resin, and a void is generated at the interface between the thermoplastic resin and the reinforcing fiber.
- thermoplastic resin is decomposed or deteriorated by being held at a high temperature for a long time.
- much greater molding energy is required compared to the production of composites of thermosetting resins and reinforcing fibers.
- the reinforcing fibers are impregnated at the stage of the thermoplastic resin that has already been polymerized, there is no chemical reaction with the coupling agent of the reinforcing fibers and the interface between the reinforcing fibers and the thermoplastic resin. The chemical bonding does not occur and the composite efficiency is greatly reduced.
- the reactive compound is mixed with the reinforcing fiber and then polymerized to polymerize the fiber.
- a method for producing a fiber-reinforced hot-melt FRP is known (for example, see Patent Document 1).
- This technology generally discloses a combination of reactive compounds that can be linearly increased in molecular weight by polyaddition reaction or polycondensation reaction. Specifically, naphthalenic epoxy resin and Use polymer with bisphenol A.
- Thermal melting FRP melts by heating, so it can be reused, recycled, and secondary processed, but it can be impregnated in reinforcing fibers with low viscosity.
- Patent Document 1 Pamphlet of International Publication No. 2004/060981
- an object of the present invention is to provide a method for producing a fiber-reinforced hot-melt epoxy resin having excellent heat resistance using a hot-melt epoxy resin having a high melting start temperature, and molding by the method. It is to provide a reinforced fiber reinforced plastic.
- the present invention comprises a step of mixing a compound (A) having two epoxy groups in one molecule and a compound (B) having two phenolic hydroxyl groups in one molecule with a reinforcing fiber (1) And a method of producing a fiber-reinforced hot-melt epoxy resin comprising the step (II) of polymerizing the compound (A) and the compound (B) mixed with the reinforcing fiber in a linear form by a polyaddition reaction. And at least a part of the compound (A) and at least a part of Z or the compound (B) are compounds having a fluorene skeleton, and the number of moles of the epoxy group in the compound (A) is as described above.
- Fiber reinforced heat characterized by blending the compound (A) and the compound (B) at a ratio of 0.9 to 1.1 times the number of moles of phenolic hydroxyl groups in the compound (B). This is a method for producing a molten epoxy resin.
- the present invention is also a fiber reinforced plastic produced by the above production method.
- the invention's effect [0008] With the above-described configuration, the production method of the present invention can obtain a hot-melt epoxy resin having a high melting start temperature, and a fiber-reinforced hot-melt epoxy resin having excellent heat resistance using this resin. Can be manufactured.
- the reactive compound when compounded with reinforcing fibers, the reactive compound has a low viscosity, so the wettability with the reinforcing fibers is extremely good, and voids do not remain between the fiber bundles. Is obtained. For this reason, it becomes possible to easily and easily produce moldings having various complicated shapes in which generation of voids becomes a problem.
- the low molecular weight compound and the reinforcing fiber are in a wet state, and then the polymerization of the resin proceeds while the reinforcing fiber and the compound are wet.
- the chemical reaction with the coupling agent is sufficiently performed and a strong bond is possible.
- the fiber and the resin react with each other in a wet state, such as the conventional FRTP, in which the strength is not reduced due to fiber damage. Progresses and the chemical bond at the interface becomes stronger.
- FIG. 1 is a diagram showing the viscoelasticity test results of the fiber-reinforced hot-melt resin of Example 1.
- FIG. 2 is a graph showing the viscoelasticity test results of the FRP of Comparative Example 1.
- the compound (A) and the compound (B) that form a hot-melt epoxy resin are combined with the reactive compound.
- a reactive compound Of the above-mentioned compound (A) and compound (B) mixed and impregnated into the reinforcing fiber without being polymerized yet (step (1)).
- a polymerization reaction is caused to obtain a hot melt epoxy resin in which reinforcing fibers are arranged (step (II)).
- the compound (A) and the compound (B) are each preferably in a molten state in the step (I).
- the compound (A) and the compound (B) need to be in a molten state at least when polymerized in the above step (II), and can be sufficiently impregnated in the reinforcing fiber at that time. As long as it can be mixed with the fibers for use, it is not always necessary to be in the molten state in the step (I).
- the hot-melt epoxy resin means an epoxy compound or a compound that can react with an epoxy compound and an epoxy.
- the compound (A1) having a fluorene skeleton includes two compounds having a structure in which a compound having a glycidyl group is substituted for fluorene, for example, two compounds having one glycidyl group in fluorene.
- a compound having a substituted structure for example, a compound represented by the following general formula (1) can be exemplified.
- Rl and R2 may be the same or different and may have a hydrogen atom or a substituent.
- C1-C5 saturated or unsaturated linear or cyclic hydrocarbon It represents a group (for example, methyl, ethyl, t-butyl, cyclohexyl, etc.) or an aryl group (for example, phenyl, tolyl, etc.) which may have a substituent.
- the substitution positions of Rl and R2 can be ortho or meta with respect to the daricidyl group, respectively.
- a plurality of R1 and R2 may be the same or different.
- the plurality of R1 and R2 may have the same or different substitution positions.
- Such a compound include, for example, bisphenol fluorene type epoxy resin, biscresol fluorene type epoxy resin, a plurality of R1s are all hydrogen atoms, a plurality of R2s are both, and both are phenyl groups. And bis (diphenol) fluorene type epoxy resin. These compounds can be used alone or in combination of two or more. Of these, biscresol fluorene type epoxy resin is preferable.
- mononuclear aromatic diepoxy compounds having one benzene ring such as catechol diglycidyl ether, resorcin diglycidyl ether, t-butylhydroquinone diglycidyl ether, phthalic acid diglycidyl ether, dimethylol cyclohexane, and the like.
- alicyclic epoxy compounds such as limonene dioxide, bis (4 —Hydroxyphenyl) methane diglycidyl ether, 1,1_bis (4-hydroxyphenyl) ethanediglycidyl ether, 2,2_bis (4-hydroxyphenyl) propyl propanediglycidyl ether, etc.
- 5-Di-tert-butylhydroquinone diglycidyl ether, biphenyl type or tetramethyl biphenyl type epoxy resins, etc. show crystallinity alone and melt at a temperature of 200 ° C or less even when solid at room temperature.
- the resulting epoxy resin can be used.
- the compound (B1) having a fluorene skeleton includes two compounds having a structure in which a compound having a phenolic hydroxyl group is substituted for fluorene, for example, a compound having one phenolic hydroxyl group in fluorene.
- Examples of the compound having one substituted structure include, for example, a compound represented by the following general formula (2).
- R 3 and R 4 are the same or different and may have a hydrogen atom or a substituent.
- C1-C5 saturated or unsaturated linear or cyclic hydrocarbon group (For example, Til, ethyl, t-butyl, cyclohexyl, etc.) or an aryl group (eg, phenyl group, tolyl group, etc.) which may have a substituent.
- the substitution positions of Rl and R2 can be ortho or meta with respect to the glycidinole group, respectively.
- the plurality of R3 and R4 may be the same or different.
- a plurality of R1 and R2 may have the same or different substitution positions.
- Such compounds include, for example, bisphenols such as bisphenol fluorene and biscresol fluorene.
- bisphenols such as bisphenol fluorene and biscresol fluorene.
- a certain compound, bis (phenolphenol) fluorene, etc. can be mentioned. These compounds can be used alone or in combination of two or more. Of these, biscresol fluorene is preferable.
- Examples of the compound (B) having two phenolic hydroxyl groups in one molecule other than those having a fluorene skeleton include, for example, catechol, resorcin, hydroquinone, methylhydroquinone, t-butylhydroquinone, 2, 5 Mononuclear aromatic dihydroxy compounds having one benzene ring such as di-t-butylhydroquinone, 2,2-bis (4-hydroxyphenyl) propane (bisphenolanol A), 1,1 bis (4-hydroxyphenol) Ninore) ethane (bisphenolenole AD), bis (hydroxyphenol) methane (bisphenol F), dihydroxynaphthalene and other compounds having a fused ring, diarylresorcin, diarylbisphenol A, triallyldihydroxybiphenyl, etc. And bifunctional phenol compounds into which an aryl group has been introduced.
- Examples of combinations of reactive compounds include: (1) Compound (A1), compound (A) other than those having a fluorene skeleton, compound (B1), and compound (B) other than those having a fluorene skeleton. (2) Compound (A1) and a compound other than those having a fluorene skeleton (A) and a compound (B) other than those having a fluorene skeleton, (3) A compound other than those having a fluorene skeleton A combination of (A), compound (B1) and compound (B) other than those having a fluorene skeleton; (4) a combination of compound (A1) and compound (B1); (5) compound (A1) And a compound (B) other than those having a fluorene skeleton, and (6) a combination of a compound (A) other than those having a fluorene skeleton and the compound (B1).
- the combination (6) is preferred mainly from the viewpoint of economy.
- 7 mol% or more is preferably a compound having a fluorene skeleton, more preferably 15 mol% or more. If it is less than 7 mol%, the heat resistance may be insufficient.
- the number of moles of the epoxy group in the compound (A) is from 0.9 to 1.1 times the number of moles of the phenolic hydroxyl group in the compound (B).
- (A) and compound (B) are blended.
- it is 0.995-1.05 times. If the molar ratio is outside the above range, the molecular weight does not increase, and it is inconvenient because good mechanical strength cannot be obtained.
- reinforcing fibers used in the present invention for example, organic fibers such as aramid fibers and inorganic fibers such as glass fibers and carbon fibers can be used, but carbon fibers and glass fibers are used. Is preferred.
- a fiber braid woven fabric, knitted fabric, braid
- a mat chopped strand mat, long fiber mat
- the glass fiber a long fiber such as a glass fiber monofilament, a glass fiber strand, a glass fiber mouthbing, or a glass fiber yarn; a glass fiber chopped strand, a glass fiber chopped fiber such as a cut piece of a glass fiber roving, or the like is used. It can also include glass fiber milled fiber etc.
- Glass fiber braids such as glass fiber woven fabrics, glass fiber braids, glass fiber braids, and glass fiber nonwoven fabrics are also applicable. Glass fiber may be surface treated with an epoxy silane coupling agent or a surface treatment agent such as an acrylic silane coupling agent.
- the blending ratio of the reinforcing fibers in the molded body may vary depending on the type of fiber.
- the reinforcing fiber is preferably 10 to 75% by weight based on the molded body. -70 wt% is more preferred. If the amount of reinforcing fiber is less than 10% by weight, the physical properties of the molded product tend to be low, and warping and undulation tend to increase. If the amount exceeds 75% by weight, the fiber tends to become unimpregnated with resin. It is in.
- the blending known to those skilled in the art can be easily used with reference to the blending amount.
- the compound (A) and the compound (B) can be polymerized linearly by a polyaddition reaction as exemplified below.
- the linear polymerization can be confirmed by solubility in a solvent and heat melting property. Unless the object of the present invention is hindered, it does not exclude the presence of a partial crosslinked structure.
- a polymerization catalyst can be used for this reaction.
- the polymerization catalyst include phosphorus catalysts, 1,2-alkylenebenzimidazole (TBZ), and 2-aryl-4,5-diphenylimidazole (NPZ). These are used alone or in combination of two or more. Phosphorus catalysts are preferred because they improve reflowability.
- Examples of the phosphorus catalyst include dicyclohexylphenylphosphine, toly o-tolylphosphine, toly m-tolylphosphine, toly p-trinolephosphine, cyclohexyldiphenylphosphine, triphenylphosphine, and triphenyl.
- Examples include phosphine monotriphenylborane complexes, tri-m-tolylphosphine monotriphenylborane complexes, and the like. Of these, tri-o-tolylphosphine and tri-m-tolylphosphine-triphenylborane complexes are preferred.
- the amount of the polymerization catalyst used is usually 0.1 to 10 parts by weight, more preferably 0.4 to 6 parts by weight, and particularly 1 to 5 parts by weight with respect to 100 parts by weight of the compound (A). This is preferable because it has a good balance between short-time polymerization and pot life.
- the mixture of the compound (A), the compound (B) and the polymerization catalyst is in a liquid state at room temperature, heating is not required in the impregnation step of the reinforcing fiber, or the polymerization of the mixture starts. By heating to such an extent that it does not cause a significant increase in viscosity, the viscosity is sufficiently lowered and reinforcing fibers It is preferable from the viewpoint of easy impregnation into fibers.
- the mixture of the compound (A), the compound (B) and the polymerization catalyst was heated at a temperature of 200 ° C or lower. Combinations in which the viscosity in this case is less than or equal to lOOOOmPa's can be applied to the present invention by using a two-component mixing apparatus equipped with a tank that can be heated and a static mixer.
- a reaction retarder can also be used in the present invention.
- the resin In the two-component mixing and impregnation process for reinforcing fibers, the resin is uniformly liquefied and the viscosity needs to be reduced as much as possible. The reaction starts, the viscosity increases and can cause poor impregnation.
- a reaction retarding agent that delays the reaction at the time of heating for decreasing the viscosity and does not inhibit the reaction at the polymerization reaction after the impregnation is preferably used.
- trialkyl borates such as tri-n-butyl borate, tri-n-octyl borate, tri-n-dodecyl borate, and triaryl borates such as triphenyl borate can be used. These are used alone or in combination of two or more. Of these, tri-n-octylporate is preferred because it is liquid at room temperature and has excellent miscibility and significantly delays the reaction at 80 ° C or lower.
- the amount of the reaction retarder used is such that the boron nuclear ester of boric acid ester is 0.1 to 2.0 mono to the mole of phosphorus atom of the phosphorus catalyst, and further 0.5 to 1. 2 Monore, particularly 0.7 to 1.0. Molar power is preferred from the point that the impregnation time is long and the polymerization can be performed in a short time.
- fillers made of inorganic powders such as organic powder and aluminum hydroxide, as well as known flame retardants, solvents, and the like, are optionally added (for example, for viscosity adjustment). Or other solvents) may be added.
- the solvent include ketones such as acetone, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and cyclohexanone, and ethers such as methyl solvate and ethylene glycol dibutyl ether.
- MEK methyl ethyl ketone
- MIBK methyl isobutyl ketone
- ethers such as methyl solvate and ethylene glycol dibutyl ether.
- acetone is preferable because it can easily fly during polymerization.
- the amount used is preferably 0.1 to 15 parts by weight, more preferably 4 to 8 parts by weight, based on 100 parts by weight of the resin component. If it is too little, phenols will precipitate. If it is too much, the solvent will remain in the resin after polymerization. As a result, the deterioration of physical properties increases.
- the polymerization conditions are around the set temperature of the mold.
- the temperature of the mold is generally from about 80 ° C by hot water heating to about 200 ° C by steam heating or electric heater.
- the temperature range for causing the polymerization reaction varies, but the polymerization temperature is usually 120 to 230 ° C, and the polymerization time is 3 to 60. About minutes.
- the fiber-reinforced hot-melt epoxy resin molded body obtained in the polymerization reaction step (II) has a Tg and a melting start temperature depending on the compounding ratio of the compound (A1) and / or the compound (B1).
- the heat resistance characteristics such as can be adjusted.
- the molded article of the present invention can preferably be provided with a melting start temperature exceeding 100 ° C., for example, 120 ° C. or higher, or 150 ° C. or higher.
- Tg is measured as the peak of tan ⁇ in the measurement of dynamic viscoelasticity
- the melting start temperature is a value measured by differential thermal analysis.
- AER260 Bisphenol manufactured by Asahi Kasei Corporation Type IV liquid epoxy resin (epoxy equivalent: 190 g Z eq)
- BCF Biscresol fluorene manufactured by Osaka Gas Co., Ltd. (OH equivalent: 189 ⁇ 3g / eq)
- BPA-M Bisphenol A from Mitsui Chemicals (OH equivalent: 114 g / eq)
- Example 1 The blends of Example 1 and Comparative Example 1 were supplied to an impregnation tank, kept at 100 ° C, and completely melted. After impregnating glass fiber woven fabric (glass cloth, WF2 30N, thickness: 0.22 mm, weight: 203 g / m2, silane coupling agent treated product), which is a reinforcing fiber, at 100 ° C, 20 A pre-preda was prepared in which the reactive compound was in an unreacted state. After drying, 12 sheets of pre-preda were stacked and contact-heated with a mold heated to 120 ° C for 5 minutes, and then removed from the mold and defoamed with a roller.
- glass fiber woven fabric glass cloth, WF2 30N, thickness: 0.22 mm, weight: 203 g / m2, silane coupling agent treated product
- silane coupling agent treated product silane coupling agent treated product
- Bubbles and the like were not observed on the surface and cross section of the glass fiber reinforced hot-melt epoxy resin molded product obtained in Example 1, and the surface was beautiful.
- hot melt FRP glass fiber reinforced hot melt epoxy resin molded body
- the measurement was performed by a dynamic viscoelasticity test according to JIS K7244-5.
- the test machine was a dynamic viscoelasticity measuring machine DMS _6100 (manufactured by Seiko Fungsturmen), both ends were completely fixed, the center of the sample was clamped with a width of 5 mm, and sinusoidal strain due to bending was added.
- the test conditions were a measurement temperature of 50 to 250 ° C, a temperature increase rate of 2 ° C / min, and an excitation frequency of 1 Hz.
- Figure 1 shows the storage elastic modulus ( ⁇ ') (left vertical axis) and tan ⁇ (right vertical axis) measurement results.
- Example 1) and Figure 2 (Comparative Example 1) are shown. In both cases, the horizontal axis is temperature. C.
- the composite material produced by the molding method of the present invention is a high-melting hot-melt epoxy resin composite material, and can be applied to applications requiring heat resistance. Secondary processing can be reused and recycled. It is possible to expand the applicable range of possible fiber-reinforced hot-melt epoxy resin moldings, which is extremely advantageous in industry.
- Applications of the composite material produced by the molding method of the present invention include, for example, automotive applications, such as car bodies, platforms, bonnets, bumpers, doors, roofs, seats, seat rails, boilers, fender mirrors, trucks. It can be applied to a cab roof-installed boiler, bus body, etc.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2007516262A JP5280681B2 (ja) | 2005-05-18 | 2006-05-12 | 繊維強化熱溶融エポキシ樹脂の製造方法 |
US11/920,497 US20090215929A1 (en) | 2005-05-18 | 2006-05-12 | Method for Producing Fiber-Reinforced Thermally Meltable Epoxy Resin |
EP06746340.6A EP1882714B1 (en) | 2005-05-18 | 2006-05-12 | Method for producing fiber-reinforced thermally molten epoxy resin |
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JP2005-146101 | 2005-05-18 | ||
JP2005146101 | 2005-05-18 |
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WO2006123577A1 true WO2006123577A1 (ja) | 2006-11-23 |
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US (1) | US20090215929A1 (ja) |
EP (1) | EP1882714B1 (ja) |
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WO (1) | WO2006123577A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004339633A (ja) * | 2003-05-14 | 2004-12-02 | Nitto Boseki Co Ltd | 繊維強化接着シート、その製造方法及び被着体の仮固定方法 |
JP2008255308A (ja) * | 2007-03-13 | 2008-10-23 | Osaka Gas Co Ltd | フルオレン骨格を有するフェノキシ樹脂およびその製造方法 |
JP2008255309A (ja) * | 2007-03-13 | 2008-10-23 | Osaka Gas Co Ltd | エポキシ樹脂組成物およびその硬化物 |
JP2008274000A (ja) * | 2007-04-06 | 2008-11-13 | Osaka Gas Co Ltd | 熱硬化性樹脂組成物およびその硬化物 |
JP2011219683A (ja) * | 2010-04-13 | 2011-11-04 | Sony Chemical & Information Device Corp | 硬化性樹脂組成物、接着性エポキシ樹脂ペースト、ダイボンド剤、非導電性ペースト、接着性エポキシ樹脂フィルム、非導電性エポキシ樹脂フィルム、異方性導電ペースト及び異方性導電フィルム |
KR20190022551A (ko) * | 2016-06-28 | 2019-03-06 | 도레이 카부시키가이샤 | 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합 재료 |
JP2021001245A (ja) * | 2019-06-20 | 2021-01-07 | 三菱ケミカル株式会社 | 繊維強化エポキシ樹脂複合材及び繊維強化プラスチック |
JP2021066805A (ja) * | 2019-10-23 | 2021-04-30 | 日鉄ケミカル&マテリアル株式会社 | フェノキシ樹脂及びその製造方法、その樹脂組成物及び硬化物 |
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JP4632152B2 (ja) * | 2004-08-25 | 2011-02-16 | ナガセケムテックス株式会社 | 重合性組成物 |
JP6200887B2 (ja) * | 2011-08-26 | 2017-09-20 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 成形物の製造方法 |
WO2018003690A1 (ja) * | 2016-06-28 | 2018-01-04 | 東レ株式会社 | エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料 |
JP6761121B2 (ja) * | 2017-05-30 | 2020-09-23 | 日本製紙パピリア株式会社 | 水分散性シート |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004339633A (ja) * | 2003-05-14 | 2004-12-02 | Nitto Boseki Co Ltd | 繊維強化接着シート、その製造方法及び被着体の仮固定方法 |
JP2008255308A (ja) * | 2007-03-13 | 2008-10-23 | Osaka Gas Co Ltd | フルオレン骨格を有するフェノキシ樹脂およびその製造方法 |
JP2008255309A (ja) * | 2007-03-13 | 2008-10-23 | Osaka Gas Co Ltd | エポキシ樹脂組成物およびその硬化物 |
JP2013032549A (ja) * | 2007-03-13 | 2013-02-14 | Osaka Gas Co Ltd | フルオレン骨格を有するフェノキシ樹脂およびその製造方法 |
JP2008274000A (ja) * | 2007-04-06 | 2008-11-13 | Osaka Gas Co Ltd | 熱硬化性樹脂組成物およびその硬化物 |
JP2011219683A (ja) * | 2010-04-13 | 2011-11-04 | Sony Chemical & Information Device Corp | 硬化性樹脂組成物、接着性エポキシ樹脂ペースト、ダイボンド剤、非導電性ペースト、接着性エポキシ樹脂フィルム、非導電性エポキシ樹脂フィルム、異方性導電ペースト及び異方性導電フィルム |
KR20190022551A (ko) * | 2016-06-28 | 2019-03-06 | 도레이 카부시키가이샤 | 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합 재료 |
KR102294515B1 (ko) | 2016-06-28 | 2021-08-27 | 도레이 카부시키가이샤 | 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합 재료 |
JP2021001245A (ja) * | 2019-06-20 | 2021-01-07 | 三菱ケミカル株式会社 | 繊維強化エポキシ樹脂複合材及び繊維強化プラスチック |
JP2021066805A (ja) * | 2019-10-23 | 2021-04-30 | 日鉄ケミカル&マテリアル株式会社 | フェノキシ樹脂及びその製造方法、その樹脂組成物及び硬化物 |
JP7359639B2 (ja) | 2019-10-23 | 2023-10-11 | 日鉄ケミカル&マテリアル株式会社 | フェノキシ樹脂及びその製造方法、その樹脂組成物及び硬化物 |
Also Published As
Publication number | Publication date |
---|---|
EP1882714A4 (en) | 2011-10-12 |
US20090215929A1 (en) | 2009-08-27 |
JP5280681B2 (ja) | 2013-09-04 |
JPWO2006123577A1 (ja) | 2008-12-25 |
EP1882714B1 (en) | 2017-11-08 |
EP1882714A1 (en) | 2008-01-30 |
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