WO2004048477A1 - 熱硬化性樹脂組成物 - Google Patents
熱硬化性樹脂組成物 Download PDFInfo
- Publication number
- WO2004048477A1 WO2004048477A1 PCT/JP2003/014837 JP0314837W WO2004048477A1 WO 2004048477 A1 WO2004048477 A1 WO 2004048477A1 JP 0314837 W JP0314837 W JP 0314837W WO 2004048477 A1 WO2004048477 A1 WO 2004048477A1
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- WO
- WIPO (PCT)
- Prior art keywords
- monoolefin
- thermosetting resin
- polymer
- phase
- resin composition
- Prior art date
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- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 57
- 239000011342 resin composition Substances 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 229920000642 polymer Polymers 0.000 claims abstract description 88
- 150000005673 monoalkenes Chemical class 0.000 claims abstract description 83
- 229920005989 resin Polymers 0.000 claims abstract description 45
- 239000011347 resin Substances 0.000 claims abstract description 45
- -1 ester compound Chemical class 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 23
- 125000003172 aldehyde group Chemical group 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 150000002902 organometallic compounds Chemical class 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 14
- 125000000468 ketone group Chemical group 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 41
- 239000003822 epoxy resin Substances 0.000 claims description 39
- 239000005011 phenolic resin Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- XARVANDLQOZMMJ-CHHVJCJISA-N 2-[(z)-[1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-(2-oxoethylamino)ethylidene]amino]oxy-2-methylpropanoic acid Chemical compound OC(=O)C(C)(C)O\N=C(/C(=O)NCC=O)C1=CSC(N)=N1 XARVANDLQOZMMJ-CHHVJCJISA-N 0.000 claims 1
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 21
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- 229930194542 Keto Natural products 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- 238000010525 oxidative degradation reaction Methods 0.000 abstract 1
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- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 7
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- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 6
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- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
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- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
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- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
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- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
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- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 description 1
- XZKLXPPYISZJCV-UHFFFAOYSA-N 1-benzyl-2-phenylimidazole Chemical compound C1=CN=C(C=2C=CC=CC=2)N1CC1=CC=CC=C1 XZKLXPPYISZJCV-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- BJDUIGDNWNRBMW-UHFFFAOYSA-N 2-phenyl-1h-imidazole-4,5-diol Chemical compound N1C(O)=C(O)N=C1C1=CC=CC=C1 BJDUIGDNWNRBMW-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
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- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
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- LUZSPGQEISANPO-UHFFFAOYSA-N butyltin Chemical compound CCCC[Sn] LUZSPGQEISANPO-UHFFFAOYSA-N 0.000 description 1
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- IGALFTFNPPBUDN-UHFFFAOYSA-N phenyl-[2,3,4,5-tetrakis(oxiran-2-ylmethyl)phenyl]methanediamine Chemical compound C=1C(CC2OC2)=C(CC2OC2)C(CC2OC2)=C(CC2OC2)C=1C(N)(N)C1=CC=CC=C1 IGALFTFNPPBUDN-UHFFFAOYSA-N 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N phthalic anhydride Chemical class C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
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- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
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- CMLWFCUAXGSMBB-UHFFFAOYSA-N tris(2,6-dimethoxyphenyl)phosphane Chemical compound COC1=CC=CC(OC)=C1P(C=1C(=CC=CC=1OC)OC)C1=C(OC)C=CC=C1OC CMLWFCUAXGSMBB-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- C08L63/04—Epoxynovolacs
-
- 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
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4215—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof cycloaliphatic
-
- 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
- C08G59/68—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 catalysts used
- C08G59/686—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 catalysts used containing nitrogen
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
Definitions
- the present invention relates to the improvement of the shock resistance of a thermosetting resin composition using a “reactive monoolefin liquid polymer” and an organometallic compound and a Z or metal ester compound.
- An object of the present invention is to provide an epoxy resin composition which is used as a sealing material and has improved impact resistance, crack resistance in a thermal crack test, oxidation resistance deterioration, and heat resistance deterioration. Background art
- thermosetting resins are used alone or in combination with other resins in many applications. Especially good electrical insulation, sufficient mechanical strength, good heat resistance Because of their low thermal expansion coefficient and low cost, they are widely used for electrical and mechanical parts. On the other hand, the greatest drawback common to thermosetting resins is low toughness, and various improvements have been studied.
- the mechanical strength such as heat resistance and flexural strength decreases, and core-shell structured rubber particles such as MBS powder (core-shell resin particles of methyl methacrylate, styrene, butadiene) and epoxy group-containing
- core-shell structured rubber particles such as MBS powder (core-shell resin particles of methyl methacrylate, styrene, butadiene) and epoxy group-containing
- the method of adding rubber fine particles such as composite acrylic rubber particles and crosslinked acrylic rubber fine particles causes a large increase in viscosity and also has a problem in storage stability.
- the method of adding a reactive liquid rubber for example, a terminally oxyl-modified acrylonitrile-butene rubber (CTBN) causes less of the above problem.
- CBN terminally oxyl-modified acrylonitrile-butene rubber
- the CTBN that was initially compatible with the epoxy resin is phase-separated from the epoxy resin, and the continuous phase composed of epoxy resin and the dispersed phase composed of CTBN are separated.
- the formation improves the impact resistance depending on its phase structure characteristics.
- CTBN incorporated into the epoxy resin continuous phase without phase separation degrades the heat resistance represented by the heat distortion temperature (HDT) of the epoxy resin.
- CTBN in the case of CTBN, the control of the reactivity and affinity depending on its structure is not sufficient, and the size and distribution of the CTBN dispersed phase changes depending on the type and curing conditions of the curing agent, and the epoxy resin composition It was pointed out that the characteristics of the product could change significantly.
- CTBN has an inherent problem in long-term reliability, for example, because it has an unsaturated bond in the main chain, and is susceptible to oxidation deterioration and thermal deterioration.
- phenol resins have also been studied for improvement.
- improvement of impact resistance of specific phenolic resin by aromatic polyester see Patent Document 8
- toughening of phenolic resin by specific polyethylene terephthalate, polyurethane, methyl methacrylate copolymer, etc. were not satisfactory because of insufficient improvement in toughness and reduced fluidity.
- Improvement of impact resistance of phenolic resin using reactive liquid rubber is a method that has been widely studied. For example, a method of kneading an emulsion polymerization latex of a functional rubber having a functional group of an epoxy group, a hydroxyl group, a hydroxyl group, or an amino group into a phenol resin (see Patent Document 10), NBR having good compatibility, and the like.
- Conjugated rubber latex is contained in an anionic surfactant, and then dispersed in the resin before the phenol resin dehydration step (see Patent Document 11), a molding material comprising an epoxidized polybutadiene and a radical polymerization initiator
- Patent Literature 12 it is inevitable that if the rubber is added to such an extent that the toughening of the phenolic resin is obtained, the fluidity will be extremely reduced. Therefore, there is a problem that the practical formability is impaired, and there is a problem that the excellent heat resistance of the phenol resin is reduced due to the toughness.
- the present invention provides an epoxy resin, a phenol resin, and the like suitable for encapsulating semiconductors and the like having improved impact resistance, thermal crack resistance, oxidation deterioration, and heat deterioration without impairing heat resistance represented by HDT. It is intended to provide a thermosetting resin composition.
- the present inventors have conducted intensive studies and found that the above object can be achieved by using a “reactive monoolefin liquid polymer” and an organometallic compound and / or a metal ester compound, and completed the present invention. It is a thing.
- a first aspect of the present invention is: (A) a thermosetting resin; (B) any of the following monorefin liquid polymers (a) to (c):
- a monoolefin liquid polymer containing at least one epoxy group hereinafter referred to as "epoxy group-containing monoolefin liquid polymer”
- a monoolefin liquid polymer containing at least one aldehyde group hereinafter referred to as "aldehyde-containing monoolefin liquid polymer”
- a monoolefin polymer containing at least one ketone group (hereinafter referred to as “monoolefin polymer containing ccCl I containing a ketone group”);
- thermosetting resin composition containing an organometallic compound and / or a metal ester compound.
- the “reactive monoolefin liquid polymer” includes, as (a), an “epoxy group-containing monoolefin liquid polymer” in which an epoxy group is formed on a terminal carbon; And / or (b) a thermosetting resin composition containing an “aldehyde group-containing monoolefin liquid polymer” in which an aldehyde group is formed on a terminal carbon.
- a third aspect of the present invention is that, in any one of the first and second aspects of the present invention, at least 80% of the repeating units in the main chain structure of the “reactive monoolefin liquid polymer” have the formula (I)
- the present invention relates to a thermosetting resin composition having a structure.
- a fourth aspect of the present invention is that, in any one of the first to third aspects of the present invention, the number average molecular weight of any of the ⁇ reactive monoolefin polymers '' is in the range of 300 to 6,000.
- the present invention relates to a thermosetting resin composition, You.
- a fifth aspect of the present invention is characterized in that in any one of the first to fourth aspects of the present invention, the “organometallic compound and / or metal ester compound” is any of the following (d) to (f).
- the present invention relates to a thermosetting resin composition.
- the metal species is cobalt, tin, zinc, or copper.
- the organic structure is a paraffin or a fatty acid having a branch having 10 or less carbon atoms in the main chain.
- the organic structure is a naphthenic acid fatty acid.
- the main phase structure of the resin phase is a sea-island structure including a continuous phase and a dispersed phase, and the entire outer peripheral portion of the dispersed phase is provided.
- the present invention relates to a thermosetting resin composition having a phase structure in which an interface phase exists.
- the heat characteristic is that the average particle size of the dispersed phase observed by a transmission electron microscope is 20 / m or less.
- the present invention relates to a curable resin composition.
- thermosetting resin composition according to any one of the first to fifth aspects of the present invention, wherein the “thermosetting resin” (A) is an epoxy resin or a phenol resin. Things. BRIEF DESCRIPTION OF THE FIGURES
- Figure 1 is a schematic diagram of a typical phase structure. BEST MODE FOR CARRYING OUT THE INVENTION
- thermosetting resin according to the present invention is initially a liquid low molecular weight compound (sometimes referred to as a prepolymer), but undergoes a chemical change by the action of heat, a catalyst, ultraviolet rays, or the like. This refers to those that have the property of causing the prepolymer to grow into a polymer and form a three-dimensional network structure. Therefore, heating is not necessarily required.
- the phenolic resin in the thermosetting resin used in the present invention is not particularly limited and is commercially available.
- phenols and formalin (aqueous formaldehyde solution) or formaldehyde, and the molar ratio of phenols to formaldehyde are used.
- the mixture was charged into a reactor at a mixing ratio of 0.5 to 1.0, and after adding a catalyst such as oxalic acid, hydrochloric acid, sulfuric acid, and toluenesulfonic acid, the mixture was heated and refluxed for an appropriate time.
- Nopolak-type phenolic resin which can be obtained by a method of removing water by vacuum dehydration or standing dehydration to remove separated water and further removing remaining water and unreacted phenols.
- Resol type phenol resin can also be used in the same way by controlling the heat history during dynamic vulcanization in detail.
- These resins or co-condensed phenol resins obtained by using a plurality of raw material components may be used alone or in combination of two or more.
- the epoxy resin in the thermosetting resin used in the present invention is not limited in properties, epoxy equivalent, molecular weight, molecular structure and the like, and compounds having two or more oxysilane rings in one molecule can be applied. Epoxy resin can be used.
- cricidyl ether type epoxy resins such as bisphenol A type, bisphenol F type, brominated bisphenol A type, nopolak glycidyl ether type and the like, and hexahydrophthalic acid daricidyl ester etc.
- a cricidyl ester type epoxy resin such as daricidyl dimer monoester, a daricidylamine type epoxy resin such as triglycidyl isocyanurate or tetraglycidyl diaminodiphenylmethane, a linear type of epoxy polybutadiene or epoxy soybean oil, etc.
- Aliphatic epoxy resins, and alicyclic epoxy resins such as 3,4-epoxy 6-methylcyclohexylmethylcarboxy and the like, and the like, and one or more of these can be used.
- Preferred epoxy resins include those which are liquid at room temperature.For example, dalicidyl ether type produced between epichlorohydrin and an aromatic compound having one or more hydroxyl groups under alkaline reaction conditions.
- Epoxy resins include, for example, bisphenol A-based epoxy resin, and commercially available products include Epicort # 828 (manufactured by Japan Epoxy Resin Co., Ltd.).
- the “reactive monoolefin liquid polymer” used in the present invention is obtained by introducing various reactive functional groups into a monoolefin polymer.
- a monoolefin liquid polymer containing at least one aldehyde group (hereinafter, referred to as an "aldehyde group-containing monoolefin liquid polymer").
- a ketone group is introduced,
- liquid polymers that is, a monoolefin liquid polymer containing at least one ketone group (hereinafter, referred to as a “ketone group-containing monoolefin liquid polymer”).
- the “reactive monoolefin polymer” used in the present invention can be easily produced by a known method for converting a carbon-carbon unsaturated bond in liquid polybutene into an aldehyde group or the like by a known technique.
- a polybutene containing a large amount of a polybutene having a vinylidene terminal structure is produced according to Japanese Patent Application Laid-Open No. 10-306128.
- n-butene is converted to isobutene. Since it hardly copolymerizes, it is possible to easily obtain liquid polybutene having a terminal vinylidene structure of at least 60 mol% and at least 80% of the repeating units in the main chain structure having the structure of the formula (I). .
- the terminal carbon or carbon unsaturated bond is subjected to an epoxidation reaction with a peroxide or the like (US Patent: US Pat. No. 3,382,255) to obtain an epoxidized product.
- the epoxidation product is an epoxy group-containing liquid polybutene having an epoxy structure formed substantially only on the terminal carbon (hereinafter, referred to as “epoxy group-containing monoolefin liquid polymer”).
- the ⁇ reactive liquid polybutene '' obtained by the above production method can be used as a highly purified product by isolation, as a mixture containing unreacted polybutenes, or as a mixture to which liquid polybutene is further added. Forms can also be used.
- a polymerization reaction is carried out using the C 4 olefin raw material as a raw material to produce a polybutene having a terminal vinylidene structure of a predetermined mol% or more, and an “aldehyde group-containing liquid polybutene” is used as an intermediate to obtain an aldehyde group-containing liquid polybutene.
- the method for producing “liquid polybutene” is preferable in that the unreacted product in each step can be used as it is.
- the “reactive monoolefin liquid polymer” preferably has a number average molecular weight in the range of 300 to 6,000. When it is larger than 6,000, effects such as impact resistance are improved, but a problem may occur in moldability due to an increase in viscosity. When the molecular weight is smaller than 300, the monoolefin polymer chain bonded to the ⁇ reactive monoolefin liquid polymer '' becomes short as shown by the epoxy group-containing liquid polybutene in EP 0 457 749. Therefore, the effect of improving the impact resistance and the like by solubilizing in the epoxy resin or the like becomes dominant, and the heat resistance represented by HDT becomes poor.
- thermosetting resin composition according to the present invention is excellent in heat resistance, impact resistance, and thermal crack resistance typified by HDT
- the inventors of the present invention have stated that "reactive monoolefin liquid polymer" This is thought to be due to the affinity between the thermosetting resin and the thermosetting resin, and the unique phase structure observed with a transmission electron microscope.
- Figure 1 shows a schematic diagram of a typical phase structure.
- phase structure A A sea-island structure composed of a continuous phase mainly composed of polyisocyanate and a dispersed phase mainly composed of liquid polybutene.
- phase structure B The thermosetting resin composition according to the present invention
- phase structure B The phase structure is such that the interfacial phase exists throughout the outer periphery of the dispersed phase (hereinafter referred to as “phase structure B”). Also, the average particle size becomes fine.
- the thickness of the interfacial phase is larger as the proportion of the “aldehyde-containing monoolefin liquid polymer” in the “reactive monoolefin liquid polymer” is larger. This depends on the difference in reactivity between the aldehyde group-containing monoolefin liquid polymer, other reactive monoolefin liquid polymers, and thermosetting resins, curing agents, curing accelerators, etc. Guessed.
- the total amount of the ⁇ reactive monoolefin liquid polymer '' may be referred to as ⁇ the aldehyde group-containing monoolefin liquid polymer '', but if the thickness of the interface phase is to be reduced, Increase the proportion of other "reactive monoolefin liquid polymers".
- Phase Structure A nor “Phase Structure B” has been reported in European Patent Publication EP 0 457 49.
- the adjustment of the average particle size can be carried out by the addition amount of the organometallic compound and / or the metal ester compound.
- Phase Structure A consists of a continuous phase mainly composed of a cured product that is a brittle material with a high elastic modulus, and a “reactive monoolefin liquid polymer” with a low elastic modulus and an elastic and tough material.
- This is a phase structure in which a disperse phase of zm units having such a component as a main component exists.
- a force for separating the interface is generated due to a difference in Poisson's ratio between the constituent material of the continuous phase and the constituent material of the dispersed phase, and the separation occurs.
- phase structure A since the affinity between the continuous phase and the dispersed phase is increased due to the similarity in the chemical structure, the energy consumed by the exfoliation is large. Since the stress (strain) is consumed (released) by the separation of the interface, cracks, etc., which cause fatal destruction of the material in the epoxy resin continuous phase occur. The impact resistance and thermal crack characteristics are improved.
- Phase structure B refers to a “reactive monoolefin liquid polymer” that is a low elastic modulus and elastic and tough material in a continuous phase mainly composed of a cured product that is a high elastic modulus and a brittle material.
- a thermosetting resin, a curing agent, and a ⁇ reactive monoolefin liquid polymer, '' which is a low-elasticity, elastic and tough material with a low elastic modulus throughout its outer periphery Is a phase structure having an interfacial phase containing / comprising a polymer as a main component.
- This structure is a structure confirmed by the phase structure of impact-resistant polypropylene resin (block-type polypropylene), and is called a multi-phase structure.
- a dispersed phase composed of polyethylene is present in a continuous phase composed of polypropylene, and an interfacial phase composed of an ethylene-propylene copolymer rubber is present around the polyethylene dispersed phase.
- an interfacial phase composed of an ethylene-propylene copolymer rubber is present around the polyethylene dispersed phase.
- the interfacial delamination energy per unit volume is larger than that of “Phase Structure A”.
- the organometallic compound and / or metal ester compound of the present invention is used.
- An organic metal compound is a compound in which an organic moiety represented by an alkyl group is chemically bonded to a metal species, while a metal ester compound is a compound in which a fatty acid and a metal species are bonded in an ester bond.
- Means The features that can be expected when used in the present invention include the following two points.
- thermosetting resin continuous phase 2 Coordination effect of “reactive monoolefin liquid polymer” to oxygen atom
- the dispersion effect of “reactive monoolefin liquid polymer” will be described.
- the compatibility between the thermosetting resin and the “reactive monoolefin liquid polymer” is important.
- the organic part of the organic metal of the present invention can impart a surface-active role to the thermosetting resin and the “reactive monoolefin liquid polymer”, and a certain dispersion state can be obtained.
- Preferred structures for the organic moiety include branched paraffins and branched paraffinic fatty acids.
- a paraffinic branch having a branch is preferable because it enhances the dispersibility of the “reactive monoolefin liquid polymer” in the system.
- an alicyclic carboxylic acid structure such as a naphthenic acid-based compound is also preferable for the above reason.
- Naphthenic acid is naphthenic acid which is a saturated carboxylic acid having a naphthene nucleus as a main component of petroleum acid.
- naphthenic acid is represented by the general formula C n H 2 n- 2 O 2 (monocyclic) or C n It is represented by a polymethylene carboxylic acid corresponding to H2n-4O2 (bicyclic), or even CnH2n-6O2 (tricyclic).
- the metal part of the organic metal is selected to be capable of coordinating with oxygen atoms in the “reactive monoolefin liquid polymer”, the formation of “phase structure B” can be promoted. It becomes.
- the metal species is preferably a metal having coordination bonding ability, for example, cobalt, tin, zinc, copper and the like. After the coordination bond, the catalytic function of the metal compound causes
- phase structure B Aldehyde group (2) As a result of the reaction between the “reactive monoolefin liquid polymer” that has become a ketone group and the thermosetting resin, etc., “phase structure B” is formed. You. Etc. can be confirmed, but details are unknown.
- organometallic compound and / or metal ester compound described above include butyltin, octylzinc, and the like as the organometallic compound, and tin (di) octylate, zinc (di) octylate as the metalester compound. , Tin naphthenate, zinc stearate, and the like, but are not limited thereto. Further, the organometallic compound of the present invention may be used alone or
- the “reactive monoolefin liquid polymer” is contained in an amount of 1 to 200 parts by weight based on 100 parts by weight of the total of the thermosetting resin and the curing agent. Preferably, 5 to 100 parts by weight can be added.
- Organometallic compounds and Z or metal ester compounds are 1
- any one can be used as long as it can be cured by reacting with the above-mentioned thermosetting resin or the ⁇ reactive monoolefin polymer ''.
- epoxy resin as an example, aliphatic polyamines, alicyclic polyamines, aromatic polyamines, acid anhydrides (eg, methylhexahydrophthalic anhydride, phthalic anhydride derivatives, etc.), phenolic nopolak resins, poly Examples include a polyaddition-type curing agent such as mercaptan and a catalyst-type curing agent such as an aromatic tertiary amine, an imidazole compound, and a Lewis acid complex.
- the curing agents listed here may be used alone or in combination as long as they do not inhibit curing.
- thermosetting resin As the components other than the thermosetting resin, the curing agent, and the “reactive monoolefin liquid polymer” used in the present invention, an epoxy resin is used as an example of the thermosetting resin. If so, there is a curing accelerator.
- BDMA benzyldimethylamine
- 1-benzyl-2-phenylimidazole 2-hepcidecyl-imidazole, 2-phenyl-4,5-dihydroxyimidazole
- 2-phenylimidazole 4 Metalhyl-5 —hydroxymethylimidazole, 2,4-diamino-6— [2-methylimidazolyl (1)] —ethyl—s-triazine, 1-cyanoethyl-2-undedecylimidazole, 2-ethyl—4—methylimidazo-1
- Amine compounds such as 1,8-diazabicyclo [5,4,0] decene 17 and their salt compounds
- phosphine compounds such as tripheny
- thermosetting resin composition when an epoxy resin is used as an example, a curing accelerator is used in an amount of 0 to 20 parts by weight based on 100 parts by weight of the thermosetting resin and the curing agent. Parts by weight can be added.
- liquid rubbers such as a known liquid reactive rubber, liquid rubber such as liquid-olefin polymer, and an elastomer as long as the effects of the present invention are not impaired.
- Additives such as impact modifiers such as elastomers, flame retardants, coupling agents, defoamers, pigments, dyes, antioxidants, weathering agents, lubricants, release agents, etc. Can be combined. Further, liquid polybutenes having other basic structures and / or chemically modified structures may be used.
- the filler may include fused silica, pulverized silica, talc, calcium carbonate, aluminum hydroxide, etc., but when applied to semiconductor encapsulation in recent years, the average particle size is 20 m.
- fused silicas are preferred, and these can be used alone or in any combination of two or more kinds. Examples>
- liquid polybutenes 1 to 6 shown in Table 1 the “reactive monoolefin liquid polymer” 1 ab to 6 ab was produced.
- the suffix “a” corresponds to “epoxy group-containing liquid polybutene”
- the suffix “b” corresponds to “aldehyde group-containing liquid polybutene”.
- 1 to 6 1 and 2 are LV50 and HV-100 manufactured by Nippon Petrochemical Co., Ltd. obtained from the market, respectively, and reference production examples 3 to 6 or the present inventors.
- “Epoxy group-containing liquid polybutene” (Reference Production Examples 1a to 6a) is prepared by adding peracid to the above liquid polybutenes 1 to 6 with reference to the method of the above-mentioned US Pat. No. 3,382,255.
- the aldehyde group-containing liquid polybutene (Reference Production Examples 1b to 6b) was prepared by reacting the above-mentioned “epoxy-based epoxy resin” with reference to the method of Japanese Patent No. Group-containing liquid polypentene "(Reference Production Examples 1a to 6a) was used as a raw material, and was produced by isomerization by reacting 98% by weight sulfuric acid.
- a flask equipped with a variable stirrer, a reaction temperature indicator, and a reaction dropper was placed in a heating medium bath capable of constant temperature control.
- MH700 / Epicoat # 828 was selected as the curing agent / epoxy resin component, and the functional group equivalent ratio was fixed at 0.9 under all conditions.
- Various reactive monoolefin liquid polymers, organometallic compounds and / or metal ester compounds were added to the curing agent Z epoxy resin component in the mixing ratio shown in Table 2, and mixed and stirred.
- the functional group (epoxy group) equivalent is about 190 g / eq.
- An acid anhydride-based curing agent based on methylhexahydrophthalic anhydride. is there.
- Functional group (acid anhydride group)
- the equivalent weight is about 168 g / e Q.
- BDMA Tokyo Kasei Kogyo Co., Ltd. Reagent
- tin 2-ethylhexanoate Also known as tin 2-ethylhexanoate, a tin content of about 28% was used.
- Evaluation of the physical properties of the epoxy resin composition was performed on five items of flexibility, moisture resistance, crack resistance, chemical resistance, and heat resistance.
- test pieces suitable for each measurement were prepared for the compositions obtained from each of the Examples and Comparative Examples.
- Moisture resistance The cured product test piece was immersed in boiling water for 10 hours, and the moisture resistance of the cured product was evaluated based on the change in weight before and after the test. The test was performed twice and the average was determined. Crack resistance: Japanese Industrial Standard (JIS) — C-125 (solvent-free for electrical insulation)
- the test method was used to create five hardened material specimens enclosing metal washers with different thermal conductivities, and each specimen was generated when it cooled from 150 ° C to 0 ° C. Cracks were observed and the average number of cracks was calculated.
- Heat resistance Heat distortion temperature (HDT) was measured according to the method of Japanese Industrial Standards (JIS) -K-6901, and the heat resistance of the cured product was evaluated from the measured value. The measurement was performed five times, and the average value was obtained.
- JIS Japanese Industrial Standards
- Phase Structure Observation The phase structures of the examples and the comparative examples were observed using a transmission microscope (TEM) “JEM-1010” manufactured by JEOL Ltd.
- the accelerating voltage was 100 kV, and ruthenium oxide was used for staining. Therefore, it was determined that the dyeing phase was a phase containing “reactive monoolefin liquid polymer” as a main component.
- Table 2 shows the compounding conditions of a series of epoxy resin compositions and the evaluation results of their physical properties.
- thermosetting resin a curing agent, a curing accelerator, and a thermosetting resin composition obtained by curing a composition obtained by blending an organic metal compound with a “reactive monoolefin liquid polymer” and It was found that problems in physical properties could be solved.
- This problem can be solved only by a continuous phase mainly composed of a cured product composed of a thermosetting resin (including a curing agent) and a sea island composed of a dispersed phase mainly composed of a “reactive monoolefin liquid polymer”. This is due to these phase structures, which exhibit a main phase structure of the structure and further have at least one interfacial phase over the entire outer peripheral portion of the dispersed phase.
Abstract
Description
Claims
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EP03774101A EP1564257A4 (en) | 2002-11-22 | 2003-11-20 | THERMOSETTING RESIN COMPOSITION |
AU2003284604A AU2003284604A1 (en) | 2002-11-22 | 2003-11-20 | Thermosetting resin composition |
US10/535,930 US20060156955A1 (en) | 2002-11-22 | 2003-11-20 | Thermosetting resin composition |
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JPH03504877A (ja) * | 1989-03-03 | 1991-10-24 | ビーピー ケミカルズ リミテッド | カルボニル化合物の合成 |
JP2003041123A (ja) * | 2001-05-25 | 2003-02-13 | Nippon Petrochemicals Co Ltd | 熱硬化性樹脂組成物、その製造方法及び懸濁液状混合物 |
JP2003049074A (ja) * | 2001-05-31 | 2003-02-21 | Nippon Petrochemicals Co Ltd | 熱硬化性樹脂組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5210121A (en) * | 1983-08-18 | 1993-05-11 | The Permethyl Corporation | Hydrophobic and/or abhesive materials, reactive diluents, and reactive plasticizers |
US5084531A (en) * | 1989-08-31 | 1992-01-28 | Amoco Corporation | Epoxy resins containing epoxidized polybutenes |
DE4234324A1 (de) * | 1992-10-12 | 1994-04-14 | Basf Ag | Härtbare Formmasse |
-
2002
- 2002-11-22 JP JP2002340067A patent/JP3941938B2/ja not_active Expired - Fee Related
-
2003
- 2003-11-20 AU AU2003284604A patent/AU2003284604A1/en not_active Abandoned
- 2003-11-20 WO PCT/JP2003/014837 patent/WO2004048477A1/ja not_active Application Discontinuation
- 2003-11-20 US US10/535,930 patent/US20060156955A1/en not_active Abandoned
- 2003-11-20 EP EP03774101A patent/EP1564257A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5257283A (en) * | 1975-11-05 | 1977-05-11 | Sumitomo Chem Co Ltd | Production of low-viscosity epoxidized polyisoprene |
JPS5891755A (ja) * | 1981-11-26 | 1983-05-31 | Sunstar Giken Kk | エポキシ樹脂組成物の製法 |
JPH03503783A (ja) * | 1989-01-31 | 1991-08-22 | アモコ・コーポレーション | ポリブチルケトンおよびエポキシ化ポリブテンのヒドロキシエステル |
JPH03504877A (ja) * | 1989-03-03 | 1991-10-24 | ビーピー ケミカルズ リミテッド | カルボニル化合物の合成 |
JPH03221555A (ja) * | 1990-01-26 | 1991-09-30 | Hitachi Chem Co Ltd | フェノール樹脂成形材料 |
JP2003041123A (ja) * | 2001-05-25 | 2003-02-13 | Nippon Petrochemicals Co Ltd | 熱硬化性樹脂組成物、その製造方法及び懸濁液状混合物 |
JP2003049074A (ja) * | 2001-05-31 | 2003-02-21 | Nippon Petrochemicals Co Ltd | 熱硬化性樹脂組成物 |
Non-Patent Citations (1)
Title |
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See also references of EP1564257A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP3941938B2 (ja) | 2007-07-11 |
JP2004175817A (ja) | 2004-06-24 |
AU2003284604A1 (en) | 2004-06-18 |
EP1564257A4 (en) | 2007-07-04 |
US20060156955A1 (en) | 2006-07-20 |
EP1564257A1 (en) | 2005-08-17 |
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