BG63505B1 - Формовъчна смес, метод за получаване и използването й - Google Patents
Формовъчна смес, метод за получаване и използването й Download PDFInfo
- Publication number
- BG63505B1 BG63505B1 BG101975A BG10197597A BG63505B1 BG 63505 B1 BG63505 B1 BG 63505B1 BG 101975 A BG101975 A BG 101975A BG 10197597 A BG10197597 A BG 10197597A BG 63505 B1 BG63505 B1 BG 63505B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- weight
- ethylene
- methyl methacrylate
- molding mixture
- polymerization
- Prior art date
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 239000004576 sand Substances 0.000 title abstract 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000005977 Ethylene Substances 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 35
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 20
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 10
- 239000003999 initiator Substances 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 1
- 229920002959 polymer blend Polymers 0.000 claims 1
- 238000009757 thermoplastic moulding Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 229920001577 copolymer Polymers 0.000 description 12
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 10
- 239000004926 polymethyl methacrylate Substances 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 238000007334 copolymerization reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- -1 polyethylene Polymers 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010526 radical polymerization reaction Methods 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 3
- 229920000193 polymethacrylate Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- YAJYJWXEWKRTPO-UHFFFAOYSA-N 2,3,3,4,4,5-hexamethylhexane-2-thiol Chemical compound CC(C)C(C)(C)C(C)(C)C(C)(C)S YAJYJWXEWKRTPO-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
- JJRDRFZYKKFYMO-UHFFFAOYSA-N 2-methyl-2-(2-methylbutan-2-ylperoxy)butane Chemical compound CCC(C)(C)OOC(C)(C)CC JJRDRFZYKKFYMO-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- CWERGRDVMFNCDR-UHFFFAOYSA-N alpha-mercaptoacetic acid Natural products OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VKLYZBPBDRELST-UHFFFAOYSA-N ethene;methyl 2-methylprop-2-enoate Chemical group C=C.COC(=O)C(C)=C VKLYZBPBDRELST-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- YLOWTPHXXDJBAH-UHFFFAOYSA-N methyl 2-methylprop-2-enoate Chemical compound COC(=O)C(C)=C.COC(=O)C(C)=C YLOWTPHXXDJBAH-UHFFFAOYSA-N 0.000 description 1
- LDTLDBDUBGAEDT-UHFFFAOYSA-N methyl 3-sulfanylpropanoate Chemical compound COC(=O)CCS LDTLDBDUBGAEDT-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Graft Or Block Polymers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Mold Materials And Core Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19607003A DE19607003C2 (de) | 1996-02-24 | 1996-02-24 | Thermoplastisch verarbeitbare Formmasse auf Polymethylmethacrylat-Basis mit Ethylen-Comonomer und Verfahren zu ihrer Herstellung |
| PCT/EP1997/000503 WO1997031043A1 (de) | 1996-02-24 | 1997-02-05 | Polymethacrylat-formmasse mit ethylen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BG101975A BG101975A (en) | 1998-05-29 |
| BG63505B1 true BG63505B1 (bg) | 2002-03-29 |
Family
ID=7786353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG101975A BG63505B1 (bg) | 1996-02-24 | 1997-10-15 | Формовъчна смес, метод за получаване и използването й |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5872202A (cs) |
| EP (1) | EP0830399B1 (cs) |
| JP (1) | JPH11504678A (cs) |
| AT (1) | ATE224407T1 (cs) |
| AU (1) | AU1600797A (cs) |
| BG (1) | BG63505B1 (cs) |
| CZ (1) | CZ291351B6 (cs) |
| DE (2) | DE19607003C2 (cs) |
| DK (1) | DK0830399T3 (cs) |
| ES (1) | ES2180924T3 (cs) |
| SK (1) | SK284035B6 (cs) |
| TW (1) | TW389771B (cs) |
| WO (1) | WO1997031043A1 (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407179B1 (en) | 1999-11-02 | 2002-06-18 | Denki Kagaku Kogyo Kabushiki Kaisha | Acrylic rubber and its composition |
| JP4742647B2 (ja) * | 2005-03-31 | 2011-08-10 | 住友化学株式会社 | 極性モノマー−オレフィン共重合体の製造方法 |
| CN105255084B (zh) * | 2015-10-27 | 2017-07-21 | 上海锦湖日丽塑料有限公司 | 一种具有优异外观性能的高韧性pmma树脂 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE607096A (cs) * | 1960-08-22 | |||
| NL293879A (cs) * | 1963-01-03 | |||
| US3770627A (en) * | 1971-12-07 | 1973-11-06 | Phillips Petroleum Co | Containing and removing oil spills on water |
| GB1423288A (en) * | 1972-08-15 | 1976-02-04 | Mitsubishi Rayon Co | Process for the production of methacrylate polymer moulding materials |
| DE2941586A1 (de) * | 1979-10-13 | 1981-04-23 | Bayer Ag, 5090 Leverkusen | Kontaktlinsen aus methacrylsaeuremethylester-copolymerisaten |
| JPS57149313A (en) * | 1981-03-13 | 1982-09-14 | Asahi Chem Ind Co Ltd | Methacrylic resin having good mold flow and its production |
| JPH0699521B2 (ja) * | 1984-06-11 | 1994-12-07 | 出光興産株式会社 | エチレン共重合体の製造法 |
| EP0367577B1 (en) * | 1988-10-31 | 1994-01-05 | Japan Synthetic Rubber Co., Ltd. | Novel ester group-containing (meth) acrylic acid ester, novel (co)polymer thereof, composition comprising the (co) polymer and composition comprising the ester group- containing (meth) acrylic acid ester |
| US5506322A (en) * | 1991-01-28 | 1996-04-09 | Toyoda Gosei Co., Ltd. | Acrylic rubber composition and rubber hose obtained using the same |
| DE4219129A1 (de) * | 1992-06-11 | 1993-12-16 | Basf Ag | Verfahren zur Herstellung von Copolymerisaten des Ethylens mit Acrylsäureestern |
| DE4219983A1 (de) * | 1992-06-19 | 1993-12-23 | Basf Ag | Verfahren zur Herstellung von Copolymerisaten des Ethylens mit Acrylsäureestern oder Acrylsäure |
-
1996
- 1996-02-24 DE DE19607003A patent/DE19607003C2/de not_active Expired - Fee Related
-
1997
- 1997-02-05 DK DK97902324T patent/DK0830399T3/da active
- 1997-02-05 ES ES97902324T patent/ES2180924T3/es not_active Expired - Lifetime
- 1997-02-05 WO PCT/EP1997/000503 patent/WO1997031043A1/de active IP Right Grant
- 1997-02-05 CZ CZ19973359A patent/CZ291351B6/cs not_active IP Right Cessation
- 1997-02-05 US US08/945,268 patent/US5872202A/en not_active Expired - Fee Related
- 1997-02-05 JP JP9529739A patent/JPH11504678A/ja active Pending
- 1997-02-05 DE DE59708249T patent/DE59708249D1/de not_active Expired - Lifetime
- 1997-02-05 AU AU16007/97A patent/AU1600797A/en not_active Abandoned
- 1997-02-05 EP EP97902324A patent/EP0830399B1/de not_active Expired - Lifetime
- 1997-02-05 AT AT97902324T patent/ATE224407T1/de not_active IP Right Cessation
- 1997-02-05 SK SK1433-97A patent/SK284035B6/sk unknown
- 1997-02-21 TW TW086102100A patent/TW389771B/zh not_active IP Right Cessation
- 1997-10-15 BG BG101975A patent/BG63505B1/bg unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5872202A (en) | 1999-02-16 |
| DE19607003C2 (de) | 1998-09-24 |
| CZ335997A3 (cs) | 1998-03-18 |
| SK143397A3 (en) | 1998-02-04 |
| BG101975A (en) | 1998-05-29 |
| ES2180924T3 (es) | 2003-02-16 |
| DE19607003A1 (de) | 1997-08-28 |
| EP0830399B1 (de) | 2002-09-18 |
| CZ291351B6 (cs) | 2003-02-12 |
| EP0830399A1 (de) | 1998-03-25 |
| SK284035B6 (sk) | 2004-08-03 |
| TW389771B (en) | 2000-05-11 |
| ATE224407T1 (de) | 2002-10-15 |
| WO1997031043A1 (de) | 1997-08-28 |
| DE59708249D1 (de) | 2002-10-24 |
| DK0830399T3 (da) | 2003-01-27 |
| JPH11504678A (ja) | 1999-04-27 |
| AU1600797A (en) | 1997-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3654532B2 (ja) | 加熱寸法安定性の高いポリメタクリレート成形材料を製造するための多段法 | |
| US5530080A (en) | Polymethacrylate molding compound with high heat deflection temperature and stability against thermal degradation | |
| US5980790A (en) | Process for producing a copolymer | |
| CN1446231A (zh) | 三氧杂环庚烷在制备高固体分丙烯酸类、苯乙烯类和ldpe类树脂的方法中的用途 | |
| JPH07258340A (ja) | 熱可塑性に加工可能なポリメタクリレート成形材料から製造された押出成形したプレート及びシート、射出成形部品、成形体及び工作部品 | |
| JP3664575B2 (ja) | メタクリル酸エステル系樹脂組成物及びそれを成形してなるフィルム | |
| HK1050016A1 (en) | Process for producing vinylpyrrolidone polymer | |
| KR100345911B1 (ko) | 아크릴적중합체들의제조방법 | |
| GB2148908A (en) | Process for the preparation of high impact strength moulding compositions | |
| JPS6390515A (ja) | 耐熱性樹脂組成物の製造方法 | |
| US4902745A (en) | Rubber-like thermoplastic polymer mixtures | |
| BG63505B1 (bg) | Формовъчна смес, метод за получаване и използването й | |
| JP3013951B2 (ja) | アクリル系樹脂の製造法 | |
| FR2726827A1 (fr) | Procede de preparation de copolymeres de methacrylate d'alkyle | |
| US4746705A (en) | Vinyl chloride polymer composition containing (meth)acrylate-alpha methyl styrene copolymer | |
| JPS6099113A (ja) | 耐衝撃性メタクリル樹脂組成物 | |
| JPH10152505A (ja) | スチレン−メチルメタクリレート系重合体の製造方法 | |
| JPH08104712A (ja) | 熱可塑性プラスチック−成形材料の連続的製法 | |
| GB2149414A (en) | Moulding compositions for optically readable data carriers | |
| JPH0154361B2 (cs) | ||
| JP3894804B2 (ja) | ビニルエーテル基含有（メタ）アクリル酸エステル系重合体の製造方法 | |
| JP3776462B2 (ja) | 共重合体の製造方法 | |
| JP3013953B2 (ja) | アクリル系樹脂の製造法 | |
| JP3319483B2 (ja) | 耐熱分解性を有するメタクリル樹脂及びその製造方法 | |
| JPH01201307A (ja) | メタクリル重合体の製造法 |