KR100452813B1 - 2조성 선형 블락 공중합체, 그 제조방법 및 용도 - Google Patents
2조성 선형 블락 공중합체, 그 제조방법 및 용도 Download PDFInfo
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- KR100452813B1 KR100452813B1 KR10-2002-0026692A KR20020026692A KR100452813B1 KR 100452813 B1 KR100452813 B1 KR 100452813B1 KR 20020026692 A KR20020026692 A KR 20020026692A KR 100452813 B1 KR100452813 B1 KR 100452813B1
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- block
- monomer
- conjugated diene
- vinylaromatic
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- 229920001400 block copolymer Polymers 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000002902 bimodal effect Effects 0.000 title description 4
- 239000000178 monomer Substances 0.000 claims abstract description 119
- 150000001993 dienes Chemical class 0.000 claims abstract description 78
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 76
- 239000003999 initiator Substances 0.000 claims abstract description 46
- 229920001577 copolymer Polymers 0.000 claims abstract description 40
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 28
- 229920003046 tetrablock copolymer Polymers 0.000 claims abstract description 11
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 44
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 30
- 229920000642 polymer Polymers 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 24
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 18
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical group [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229920006216 polyvinyl aromatic Polymers 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 9
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 claims description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 150000008301 phosphite esters Chemical class 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 230000004075 alteration Effects 0.000 abstract description 4
- 125000000129 anionic group Chemical group 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 125000001979 organolithium group Chemical group 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- 238000005227 gel permeation chromatography Methods 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005684 linear copolymer Polymers 0.000 description 5
- 229920006026 co-polymeric resin Polymers 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000011925 1,2-addition Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000412 dendrimer Substances 0.000 description 1
- 229920000736 dendritic polymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- -1 hydrogen compound Chemical class 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 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
- C08F295/00—Macromolecular compounds obtained by polymerisation using successively different catalyst types without deactivating the intermediate polymer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Description
단계 | 단량체 | 성분(phm)* | 넓은 범위 (phm) | 바람직한 범위 (phm) |
1 | (L과 S) | L-1S-1 | 0.013-0.19220-30 | 0.023-0.09625-30 |
2 | (B와 S) | B-1S-2 | 2.5-155-20 | 5-105-15 |
3 | (L과 S) | L-2S-3 | 0.005-0.08210-15 | 0.006-0.03210-15 |
4 | (B와 S) | B-2S-4 | 2.5-3020-30 | 15-2030-20 |
합계 | SBL | 55-9545-50.018-0.274 | 70-8030-200.029-0.128 |
물성 | 규격 |
인장물성 | ASTM D638 |
굴곡물성 | ASTM D790 |
충격물성 | ASTM D256 |
경도 | ASTM D785 |
용융흐름지수 | ASTM D1238 |
단계 | 성분 | 실시예 1 | 실시예 2 | 실시예 3 |
phm | ||||
1 (L1과 S1) | CHXTHFSNBL | 3700.037290.039 | 3700.030270.046 | 3700.042270.051 |
2 (B1와 S2) | CHXBS | 10912 | 1089 | 1087 |
3 (L2과 S3) | CHXNBLS | 100.03810 | 100.03312 | 100.03414 |
4 (B2와 S4) | CHXBS | 101624 | 101726 | 101726 |
단계 | 성분 | phm |
1(L과 S1) | CHXTHFSNBL | 3850.18300.064 |
2(B와 S2) | CHXBS | 102515 |
3(S3) | CHXS | 530 |
단계 | 성분 | phm |
1 (L1과 S1) | CHXTHFSNBL | 3650.05320.03 |
2 (L2과 S2) | CHXLS | 100.02513 |
3 (B1) | CHXS | 56 |
4 (L3과 S3) | CHXLS | 100.0315 |
5 (B2와 S4) | CHXBS | 101915 |
단계 | 실시예 | 비교예 | |||
1 | 2 | 3 | 1 | 2 | |
Melt Flow(200℃, 5kg) | 3 | 7 | 10 | 1 | 10 |
Tensile Strength(kgf/cm2) | 264 | 260 | 266 | 246 | 260 |
Tensile Elongation(%) | 172 | 446 | 497 | 326 | 185 |
Flexural Strength(kgf/cm2) | 347 | 225 | 260 | 232 | 280 |
Flexural Modulus(kgf/cm2*10-3) | 12 | 10 | 11 | 9 | 12 |
Hardness, Shore D | 70 | 65 | 67 | 65 | 67 |
Impact Strength(kJ/m2) | 5.5 | 4.2 | 4.1 | 2.4 | 2.6 |
Mw *10-3 | 119 | 118 | 114 | 142 | 112 |
Dispersity | Bimodal | Monomodal | Trimodal |
Claims (15)
- 테이퍼드 블락을 포함하며 탄소수 8-12의 적어도 1종 이상의 비닐방향족 단량체와 탄소수 4-6의 적어도 1종 이상의 공역디엔 단량체로부터 얻어지고, 비닐방향족 단량체 55-95wt%와 공역디엔 단량체 5-45wt%로 이루어지며, 비닐방향족블락-공역디엔블락-테이퍼드블락-비닐방향족블락-공역디엔블락-테이퍼드블락-비닐방향족 블락의 헵타블락 공중합체와 비닐방향족블락-공역디엔블락-테이퍼드블락-비닐방향족블락의 테트라블락 공중합체로 이루어진 2조성 선형 블락공중합체.
- 제 1 항에 있어서, 헵타블락 공중합체 30-90wt%와 테트라블락 공중합체 70-10wt%로 이루어진 것임을 특징으로 하는 2조성 선형 블락공중합체.
- 제 1 항에 있어서, 비닐방향족 단량체 70-80wt%와 공역디엔 단량체 30-20wt%로 이루어진 것임을 특징으로 하는 2조성 선형 블락공중합체.
- 제 1 항에 있어서, 공역디엔 단량체는 1,3-부타디엔 및 이소프렌 중에서 선택된 1종 이상의 것이고, 비닐 방향족 단량체는 스티렌, p-메틸스티렌, o-메틸스티렌 및 α-메틸스티렌 중에서 선택된 1종 이상의 것임을 특징으로 하는 2조성 선형 블락공중합체.
- 개시제와 비닐방향족 단량체를 투입하여 폴리비닐 방향족 리빙 폴리머 사슬을 생성하는 제 1단계;상기 폴리비닐방향족 리빙 폴리머 사슬에 공역디엔 단량체와 비닐방향족 단량체를 동시 투입하여 상기 비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락의 리빙 폴리머 사슬을 얻는 제2단계;상기 제2단계의 리빙 폴리머 사슬에 유기리튬 개시제와 비닐방향족 단량체를 추가로 투입하여 비닐방향족 블락-공역디엔블락-테이퍼드블락-비닐방향족블락의 비닐방향족 블락을 연속적으로 성장시킴과 함께 새로운 비닐 방향족 블락의 리빙 폴리머를 형성하는 제3단계;상기 제3단계의 생성물에 공역디엔 단량체 및 비닐방향족 단량체를 투입하여 비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락의 헵타블락 리빙폴리머와 비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락의 리빙 폴리머를 생성하는 제4단계; 및중합종결제로 중합을 종결한 후 폴리머를 분리하여 비닐방향족 블락-공역디엔 블락-테이퍼드블락-비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락의 헵타블락 공중합체와 비닐방향족 블락-공역디엔 블락-테이퍼드 블락-비닐방향족 블락의 테트라블락 공중합체의 2조성 선형 블락공중합체를 제조하는 단계로 이루어지며, 상기 2조성 선형 블락공중합체는 테이퍼드 블락을 포함하며 탄소수 8-12의 적어도 1종 이상의 비닐방향족 단량체와 탄소수 4-6의 적어도 1종 이상의 공역디엔 단량체로부터 얻어지고, 비닐방향족 단량체 55-95wt%와 공역디엔 단량체 5-45wt%로 이루어지는 것을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 5 항에 있어서, 각 단계에서 첨가하는 단량체, 개시제는 다음에 기재된 투입범위를 갖는 것임을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.단계 1 : 개시제 (phm) 0.013-0.192 phm비닐방향족 단량체 20-30 phm단계 2 : 공역디엔 단량체 2.5-15 phm비닐방향족 단량체 5-20 phm단계 3 : 개시제 0.005-0.082 phm비닐방향족 단량체 10-15 phm단계 4 : 공역디엔 단량체 2.5-30 phm비닐방향족 단량체 20-30 phm총 비닐방향족 단량체 투입량 : 55-95 phm총 공역디엔 단량체 투입량 : 45-5 phm총 개시제 투입량 : 0.018-0.274 phm
- 제 5 항에 있어서, 각 단계에서 첨가하는 단량체, 개시제는 다음에 기재된 투입범위를 갖는 것임을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.단계 1 : 개시제 0.023-0.096 phm비닐방향족 단량체 25-30 phm단계 2 : 공역디엔 단량체 5-10 phm비닐방향족 단량체 5-15 phm단계 3 : 개시제 0.006-0.032 phm비닐방향족 단량체 10-15 phm단계 4 : 공역디엔 단량체 15-20 phm비닐방향족 단량체 30-20 phm총 비닐방향족 단량체 투입량 : 70-80 phm총 공역디엔 단량체 투입량 : 30-20 phm총 개시제 투입량 : 0.029-0.128 phm
- 제 5 항에 있어서, 중합은 비활성 탄화수소 용매 중에서 이루어지고; 산소와 물이 배제된 -10∼150℃ 범위에서 이루어지고; 중합이 완전히 진행되고 난 후, 중합 종결제로 중합 종결한 후 안정제를 투입하고, 남아있는 비활성 탄화수소 용매를 제거하는 단계를 거치는 것을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 8 항에 있어서, 비활성 탄화수소 용매는 시클로헥산, 시클로펜탄, n-헥산 및 n-헵탄 중에서 선택된 1종 이상의 것이고, 중합종결제는 물과 이산화탄소이며, 안정제는 힌더드 페놀(hindered phenol)계와 오가노포스파이트(organophosphite)계의 혼합물인 것을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 5 항에 있어서, 공역디엔 단량체는 1,3-부타디엔 및 이소프렌 중에서 선택된 1종 이상의 것이고, 비닐 방향족 단량체는 스티렌, p-메틸스티렌, o-메틸스티렌 및 α-메틸스티렌 중에서 선택된 1종 이상의 것이며, 개시제는 노말-부틸리튬인 것을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 5 항에 있어서, 중합 반응 전 또는 반응 중간에 테트라히드로퓨란을 0.01-1.0phm 투입하는 것을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 5 항에 있어서, 단계 3에서 생성되는 비닐방향족 블락 길이에 대한 단계 2에서 생성되는 비닐 방향족 블락의 비가 10-0.1인 2조성 선형 블락공중합체의 제조방법.
- 제 5 항에 있어서, 헵타블락 공중합체 30-90wt%와 테트라블락 공중합체 10-70wt%로 이루어진 것임을 특징으로 하는 2조성 선형 블락공중합체의 제조방법.
- 제 1항의 공중합체로부터 제조된 버블 팩(bubble pack).
- 제 5항의 제조방법에 따라 얻어진 공중합체로부터 제조된 버블 팩(bubble pack).
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US10/379,985 US6849692B2 (en) | 2002-05-15 | 2003-03-05 | Bimodal block copolymer containing tapered block, process for manufacturing method and its usage |
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US7776965B2 (en) * | 2004-11-09 | 2010-08-17 | Chevron Phillips Chemical Company, Lp | Monovinylarene conjugated diene copolymer compositions for acrylate blends |
EP2382250B1 (de) * | 2008-12-23 | 2018-05-16 | INEOS Styrolution Europe GmbH | Phasenseparierende blockcopolymere aus unverträglichen hartblöcken und formmassen mit hoher steifigkeit |
KR101717806B1 (ko) * | 2009-09-29 | 2017-03-17 | 덴카 주식회사 | 열수축성 적층 필름 |
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US4390663A (en) * | 1981-02-17 | 1983-06-28 | Atlantic Richfield Company | Semi-continuous process for making star-block copolymers |
US4409357A (en) * | 1981-09-10 | 1983-10-11 | Atlantic Richfield Company | Footwear-compounds from derivatized star-block copolymers |
US4417029A (en) * | 1981-08-03 | 1983-11-22 | Atlantic Richfield Company | Derivatization of star-block copolymers |
EP0242614A2 (en) * | 1986-03-24 | 1987-10-28 | Phillips Petroleum Company | Craze-resistant polymodal linear block copolymers with terminal tapered blocks |
US5545690A (en) * | 1993-11-15 | 1996-08-13 | Phillips Petroleum Company | Tapered block copolymers of monovinylarenes and conjugated dienes |
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JPS5628925B2 (ko) | 1973-01-24 | 1981-07-04 | ||
CA2028410C (en) * | 1990-01-02 | 1996-09-17 | William J. Trepka | Tapered block styrene/butadiene copolymers |
US5227419A (en) * | 1990-12-20 | 1993-07-13 | Phillips Petroleum Company | Tapered block styrene/butadiene copolymers |
US5436298A (en) * | 1993-09-30 | 1995-07-25 | Phillips Petroleum Company | Block copolymers of monovinylarenes and conjugated dienes and preparation thereof |
US5399628A (en) * | 1993-12-02 | 1995-03-21 | Phillips Petroleum Company | Block copolymers of monovinylarenes and conjugated dienes containing two interior tapered blocks |
US5438103A (en) * | 1994-03-23 | 1995-08-01 | Phillips Petroleum Company | Block copolymers of monovinylaromatic and conjugated diene monomers |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4390663A (en) * | 1981-02-17 | 1983-06-28 | Atlantic Richfield Company | Semi-continuous process for making star-block copolymers |
US4417029A (en) * | 1981-08-03 | 1983-11-22 | Atlantic Richfield Company | Derivatization of star-block copolymers |
US4409357A (en) * | 1981-09-10 | 1983-10-11 | Atlantic Richfield Company | Footwear-compounds from derivatized star-block copolymers |
EP0242614A2 (en) * | 1986-03-24 | 1987-10-28 | Phillips Petroleum Company | Craze-resistant polymodal linear block copolymers with terminal tapered blocks |
US5545690A (en) * | 1993-11-15 | 1996-08-13 | Phillips Petroleum Company | Tapered block copolymers of monovinylarenes and conjugated dienes |
US5910546A (en) * | 1993-11-15 | 1999-06-08 | Phillips Petroleum Company | Tapered block copolymers of monivinylarenes and conjugated dienes |
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US6849692B2 (en) | 2005-02-01 |
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