JP2018510248A - 核生成剤の使用による微孔性pmma発泡体の製造 - Google Patents
核生成剤の使用による微孔性pmma発泡体の製造 Download PDFInfo
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- JP2018510248A JP2018510248A JP2017551148A JP2017551148A JP2018510248A JP 2018510248 A JP2018510248 A JP 2018510248A JP 2017551148 A JP2017551148 A JP 2017551148A JP 2017551148 A JP2017551148 A JP 2017551148A JP 2018510248 A JP2018510248 A JP 2018510248A
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- Prior art keywords
- meth
- acrylate
- polymer
- butyl
- foam
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- 239000006260 foam Substances 0.000 title claims abstract description 77
- 229920003229 poly(methyl methacrylate) Polymers 0.000 title claims abstract description 50
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 239000002667 nucleating agent Substances 0.000 title abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 57
- 239000004604 Blowing Agent Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims description 46
- 238000005187 foaming Methods 0.000 claims description 38
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 30
- 238000006116 polymerization reaction Methods 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 19
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- 238000000034 method Methods 0.000 claims description 17
- 239000003999 initiator Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 9
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
- 229920000193 polymethacrylate Polymers 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- -1 acryl Chemical group 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 229960004592 isopropanol Drugs 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 10
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- YKFLAYDHMOASIY-UHFFFAOYSA-N γ-terpinene Chemical compound CC(C)C1=CCC(C)=CC1 YKFLAYDHMOASIY-UHFFFAOYSA-N 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- RUDUCNPHDIMQCY-UHFFFAOYSA-N [3-(2-sulfanylacetyl)oxy-2,2-bis[(2-sulfanylacetyl)oxymethyl]propyl] 2-sulfanylacetate Chemical group SCC(=O)OCC(COC(=O)CS)(COC(=O)CS)COC(=O)CS RUDUCNPHDIMQCY-UHFFFAOYSA-N 0.000 description 7
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 7
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- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011162 core material Substances 0.000 description 6
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- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 5
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000006911 nucleation Effects 0.000 description 5
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- 239000004971 Cross linker Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 150000008282 halocarbons Chemical class 0.000 description 4
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 4
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 229910002020 Aerosil® OX 50 Inorganic materials 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical group SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000011074 autoclave method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
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- 238000003756 stirring Methods 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 2
- 229940071127 thioglycolate Drugs 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-M thioglycolate(1-) Chemical compound [O-]C(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-M 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-VAWYXSNFSA-N AIBN Substances N#CC(C)(C)\N=N\C(C)(C)C#N OZAIFHULBGXAKX-VAWYXSNFSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 150000007973 cyanuric acids Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
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- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
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- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/14—Methyl esters, e.g. methyl (meth)acrylate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F20/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- 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
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- 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
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
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- 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
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- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/142—Compounds containing oxygen but no halogen atom
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/236—Forming foamed products using binding agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
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Abstract
Description
ポリマー硬質発泡材は広く知られており、様々な分野において、例えば絶縁材料として、包装において、および軽量構造物において適用されている。特に軽量構造物の分野において、発泡材は、高い強度を低密度で有することが望ましい。ここで特に、PVC発泡材、PET発泡材、特定のPU発泡材およびP(M)I発泡材、(ポリ(メタ)アクリルイミド)発泡材が使用されており、これらは特に、サンドイッチ状複合材におけるコア材料として適用される。
a)高い核生成速度、つまり発泡剤による迅速かつ高い過飽和、または
b)いわゆる核生成剤(不均質核生成)
によって得られることが知られている。
よって本発明の課題は、ASTM D 3576により特定される500μm未満の平均細孔径を有する微孔性PMMA発泡体を製造するための、従来技術で論じられた欠点を有しない新たな方法を提供することであった。
これらの課題は、PMMA発泡材の新たな製造方法によって解決され、この製造方法では、発泡材の製造が、主にMMAを含有するモノマー混合物を、または主にもしくは完全にMMAから成るポリマーと、主にもしくは完全にMMAから構成されるモノマー混合物とからのシロップを、重合条件において非気体状の発泡剤の存在下で、および核生成剤の存在下で、重合、例えばプレート重合させることによって行われる。その後、第二工程では、そのように得られ、完全に重合され、かつ発泡剤が負荷されたPMMAプレートを加熱によって発泡させるが、ここで核生成剤を添加することによって、小さな均一の細孔が形成される。
実施例1
この実施例では、重合導入された発泡剤を用いて発泡させた。
この実施例では、重合導入されていない発泡剤を用いて発泡させ、核生成剤の量を倍にした。
この比較例では、実施例1との直接の比較において、核生成剤を省略した。
この比較例では、実施例2との直接の比較において、核生成剤を省略した。
この比較例では、実施例2との直接の比較において、本発明によるものではない核生成剤を使用した。
Claims (11)
- 開始剤を0.01〜2.0質量%、発泡剤を2〜20質量%、4〜1000nmの直径を有する酸化ケイ素粒子を0.2〜10質量%およびポリマー形成混合物を70〜97.79質量%、含有する組成物を、20℃〜100℃の温度で重合させ、引き続き130℃〜250℃で発泡させる、ポリメタクリレート発泡材の製造方法であって、
前記ポリマー形成混合物の少なくとも75mol%が、MMAまたはMMA繰り返し単位から成り、かつ0〜80質量%がポリマーおよび/またはオリゴマーとして存在できることを特徴とするポリメタクリレート発泡材の製造方法。 - 前記組成物が、5〜500nmの直径を有するSiO2粒子を0.5〜8質量%含有することを特徴とする、請求項1記載の製造方法。
- 前記組成物が、開始剤を0.2〜1.5質量%、発泡剤を3〜15質量%、SiO2粒子を0.5〜8質量%およびポリマー形成混合物を75〜97.8質量%を含有し、ここで前記ポリマー形成混合物の少なくとも75mol%が、MMAから成り、かつ0〜50質量%がポリマーおよび/またはオリゴマーとして存在することを特徴とする、請求項1または2記載の製造方法。
- 重合を30℃〜70℃の温度で、発泡を150℃〜230℃の温度で行うことを特徴とする、請求項1から3までのいずれか1項記載の製造方法。
- ポリマー形成組成物が、架橋剤を0.5質量%まで、および/または調整剤を1.5質量%まで含有することを特徴とする、請求項1から4までのいずれか1項記載の製造方法。
- 前記ポリマー形成混合物が、MMAと共重合可能なコモノマーおよび/または重合導入されたコモノマーをポリマーおよび/またはオリゴマー中に含有し、前記コモノマーが、(メタ)アクリル酸、メチルアクリレート、エチル(メタ)アクリレート、プロピル(メタ)アクリル、n−ブチル(メタ)アクリレート、tert−ブチル(メタ)アクリレート、イソ−プロピル(メタ)アクリレート、イソ−ブチル(メタ)アクリレート、スチレン、(メタ)アクリルアミド、1〜12個の炭素原子をアルキル基中に有するN−アルキル(メタ)アクリルアミド、1〜4個の炭素原子をアルキル基中に有するヒドロキシルアルキル(メタ)アクリレートまたはこれらのコモノマー少なくとも2種からの混合物であることを特徴とする、請求項1から5までのいずれか1項記載の製造方法。
- 重合および/または発泡を、段階的に様々な温度で行うことを特徴とする、請求項1から6までのいずれか1項記載の製造方法。
- 重合および発泡を、少なくとも部分的に同時に行うことを特徴とする、請求項1から7までのいずれか1項記載の製造方法。
- 前記発泡剤が、tert−ブチル(メタ)アクリレート、イソ−プロピル(メタ)アクリレート、tert−ブタノール、tert−ブチルメチルエーテル、イソ−プロパノールおよびポリ(tert−ブチル(メタ)アクリレート)であり、ここでイソ−プロピル(メタ)アクリレートおよび/またはtert−ブチル(メタ)アクリレートが、同時に上記モノマー組成物の構成要素であり、かつそこから形成されたポリマー中に、完全にまたは部分的に重合導入されることを特徴とする、請求項1から8までのいずれか1項記載の製造方法。
- PMMA発泡体において、このPMMA発泡体の固体割合が、酸化ケイ素粒子を0.2〜12.5質量%含み、かつ少なくとも75mol%のMMA繰り返し単位を有するポリマーを72〜98質量%含み、前記発泡体が、25〜250kg/m3の密度および500μm未満の平均細孔径を有することを特徴とするPMMA発泡体。
- 500μm未満の合計細孔径を有することを特徴とする、請求項10記載のPMMA発泡体。
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EP15161905.3A EP3075770A1 (de) | 2015-03-31 | 2015-03-31 | Herstellung feinporiger pmma-schäume mittels verwendung von nukleierungsmitteln |
PCT/EP2016/056477 WO2016156172A1 (de) | 2015-03-31 | 2016-03-24 | Herstellung feinporiger pmma schäume mittels verwendung von nukleierungsmitteln |
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KR20220045176A (ko) * | 2019-08-08 | 2022-04-12 | 에보닉 오퍼레이션스 게엠베하 | 개선된 기계적 특성을 갖는 pmma 계 주조 중합체 |
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EP3978215A1 (de) | 2020-09-30 | 2022-04-06 | Evonik Operations GmbH | Herstellung von komplexen schaum-formkernen mit class-a fähigen oberflächen |
CN113717464B (zh) * | 2021-08-09 | 2023-03-17 | 华合新材料科技股份有限公司 | 一种超低密度、隔热、隔音的微发泡pmma复合材料及其制备方法 |
FR3141180A1 (fr) | 2022-10-25 | 2024-04-26 | Arkema France | Composition (méth)acrylique, matériau en mousse obtenu à partir d’une telle composition, procédé de production de ladite composition et de ladite mousse, et leurs utilisations |
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JP2010018647A (ja) * | 2008-07-08 | 2010-01-28 | Sekisui Chem Co Ltd | (メタ)アクリル酸エステル樹脂発泡原反の製造方法、(メタ)アクリル酸エステル樹脂発泡原反を用いた(メタ)アクリル酸エステル樹脂発泡体の製造方法及び(メタ)アクリル酸エステル樹脂発泡体 |
JP2013512307A (ja) * | 2009-11-25 | 2013-04-11 | ダウ グローバル テクノロジーズ エルエルシー | 高い空隙率を有するナノ多孔質ポリマー発泡体 |
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JP2022518454A (ja) * | 2019-01-16 | 2022-03-15 | エボニック オペレーションズ ゲーエムベーハー | マイクロ波の使用による発泡剤含有ポリマーの発泡 |
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EP3075770A1 (de) | 2016-10-05 |
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CA2981221A1 (en) | 2016-10-06 |
IL254057B (en) | 2021-12-01 |
AU2020207864B2 (en) | 2022-02-24 |
RU2715527C2 (ru) | 2020-02-28 |
US10584225B2 (en) | 2020-03-10 |
CN107438641A (zh) | 2017-12-05 |
AU2020207864A1 (en) | 2020-08-13 |
TW201708331A (zh) | 2017-03-01 |
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AU2016239890A1 (en) | 2017-10-19 |
BR112017020350A2 (pt) | 2018-07-17 |
CN107438641B (zh) | 2021-03-26 |
KR102550273B1 (ko) | 2023-06-30 |
KR20180103678A (ko) | 2018-09-19 |
US20180079882A1 (en) | 2018-03-22 |
CA2981221C (en) | 2023-04-11 |
WO2016156172A1 (de) | 2016-10-06 |
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