KR20010042284A - 폴리에스테르우레탄 엘라스토머 및 이의 제조방법 - Google Patents
폴리에스테르우레탄 엘라스토머 및 이의 제조방법 Download PDFInfo
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- KR20010042284A KR20010042284A KR1020007010827A KR20007010827A KR20010042284A KR 20010042284 A KR20010042284 A KR 20010042284A KR 1020007010827 A KR1020007010827 A KR 1020007010827A KR 20007010827 A KR20007010827 A KR 20007010827A KR 20010042284 A KR20010042284 A KR 20010042284A
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- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
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- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
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- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- YJGJRYWNNHUESM-UHFFFAOYSA-J triacetyloxystannyl acetate Chemical compound [Sn+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YJGJRYWNNHUESM-UHFFFAOYSA-J 0.000 description 1
- MZHULIWXRDLGRR-UHFFFAOYSA-N tridecyl 3-(3-oxo-3-tridecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCC MZHULIWXRDLGRR-UHFFFAOYSA-N 0.000 description 1
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- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- JZZBTMVTLBHJHL-UHFFFAOYSA-N tris(2,3-dichloropropyl) phosphate Chemical compound ClCC(Cl)COP(=O)(OCC(Cl)CCl)OCC(Cl)CCl JZZBTMVTLBHJHL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6618—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4202—Two or more polyesters of different physical or chemical nature
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims (21)
- 하기 식(1)의 기 및/또는 하기 식(2)의 기를 포함하는 우레탄 성분(C)의 매개에 의해 서로 연결된 폴리에스테르 공중합체(A) 및 히드록실 말단 중합체(B)를 함유하는 블록 공중합체로 이루어진 에스테르 엘라스토머:-0-CO-NH-R1-NH-CO-0- (1)[식 중, R1은 C2-15의 알킬렌, -C6H4-, -C6H4-CH2- 또는 -C6H4-CH2-C6H4- (여기서, -C6H4- 는 페닐렌을 나타낸다)을 나타낸다];-0-CO-NH-R2-NH-CO- (2)[식 중, R2은 C2-15의 알킬렌기, -C6H4-, -C6H4-CH2- 또는 -C6H4-CH2-C6H4- (여기서, -C6H4- 는 페닐렌을 나타낸다)을 나타낸다];상기 폴리에스테르 공중합체(A) 는 순환 단위체로서 하기 식(3) 의 기를 포함하는 50 내지 95 중량% 의 짧은 사슬 폴리에스테르 성분(a1), 및 하기 식(4)의 기를 포함하는 50 내지 5 중량% 의 긴 사슬 폴리에스테르 성분(a2)로 이루어진다:-CO-R3-CO-0-R4-0- (3)(식 중, R3는 C6-12의 2가 방향족 탄화수소 기를 나타내고,R4는 C2-8의 알킬렌 기를 나타낸다);-CO-R5-CO-O-L- (4)(식 중, R5는 C6-12의 2가 방향족 탄화수소 기를 나타내고,L 은 유리전이온도 20 ℃ 이하 및 수평균분자량 500 내지 5000 을 갖는 올리고머 성분(L)을 나타낸다);상기 히드록실 말단 중합체(B)는 유리전이온도 20 ℃ 이하 및 수평균분자량 500 내지 5000 를 가지며,절대 차이|δB - δL|[여기서, δB 는 상기 히드록실 말단 중합체(B)의 용해도 파라미터를 나타내고, δL 은 상기 긴 사슬 폴리에스테르 성분(a2) 의 상기 올리고머 성분(L)의 용해도 파라미터를 나타낸다] 는 0.5 이하이다.
- 제 1 항에 있어서, 블록 공중합체는 100 중량부의 폴리에스테르 공중합체(A)를 기준으로 50 내지 500 중량부의 히드록실 말단 중합체(B) 및 10 내지 100 중량부의 우레탄 성분(C)로 구성되는 것을 특징으로 하는 에스테르 엘라스토머.
- 제 1 항 또는 제 2 항에 있어서, 히드록시 말단 중합체(B), 및 긴 사슬 폴리에스테르 성분(a2)의 올리고머 성분(L) 각각은 반복 단위체로서 하기 식(5)로 표현되는 기를 포함하는 폴리에테르(M)인 것을 특징으로 하는 에스테르 엘라스토머:-R6-O- (5)(식 중, R6은 C2-10의 알킬렌 기를 나타낸다).
- 제 1 항 또는 제 2 항에 있어서, 히드록시 말단 중합체(B), 및 긴 사슬 폴리에스테르 성분(a2)의 올리고머 성분(L) 각각은 반복 단위체로서 하기 식(6)으로 표현되는 기를 포함하는 지방족 폴리에스테르(N)인 것을 특징으로 하는 에스테르 엘라스토머:-R7-O-CO-R8-CO-0- (6)(식 중, R7및 R8각각은 C2-10의 알킬렌 기를 나타낸다).
- 제 1 항 또는 제 2 항에 있어서, 히드록시 말단 중합체(B), 및 긴 사슬 폴리에스테르 성분(a2)의 올리고머 성분(L) 각각은 반복 단위체로서 하기 식(7)로 표현되는 기를 포함하는 폴리락톤(N)인 것을 특징으로 하는 에스테르 엘라스토머:-R9-CO-0- (7)(식 중, R9는 C2-10의 알킬렌기를 나타낸다).
- 제 1 항 또는 제 2 항에 있어서, 히드록시 말단 중합체(B), 및 긴 사슬 폴리에스테르 성분(a2)의 올리고머 성분(L) 각각은 반복 단위체로서 하기 식(8)로 표현되는 기를 포함하는 폴리카르보네이트(P)인 것을 특징으로 하는 에스테르 엘라스토머:-R10-O-CO-0- (8)(식 중, R10은 C2-10의 알킬렌 기를 나타낸다).
- 제 1 항 내지 제 6 항 중의 어느 한 항에 있어서, 폴리에스테르 공중합체(A)가 0.05 내지 1.0 의 고유 점도를 갖는 것을 특징으로 에스테르 엘라스토머.
- 제 1 항 내지 제 7 항 중의 어느 한 항에 있어서, 히드록실 말단 중합체(B)는 500 내지 3000 의 수평균분자량을 갖는 것을 특징으로 하는 에스테르 엘라스토머.
- 제 1 항 내지 제 8 항 중의 어느 한 항에 있어서, 폴리에스테르 공중합체(A)의 짧은 사슬 폴리에스테르 성분(a1)이 폴리(부틸렌 테레프탈레이트)인 것을 특징으로 하는 에스테르 엘라스토머.
- 제 1 항 내지 제 8 항 중의 어느 한 항에 있어서, 폴리에스테르 공중합체(A)의 짧은 사슬 폴리에스테르 성분(a1)이 폴리(부틸렌 나프탈레이트)인 것을 특징으로 하는 에스테르 엘라스토머.
- 제 1 항 내지 제 8 항 중의 어느 한 항에 있어서, 폴리에스테르 공중합체(A)의 짧은 사슬 폴리에스테르 성분(a1)이 폴리(에틸렌 나프탈레이트)인 것을 특징으로 하는 에스테르 엘라스토머.
- 50 내지 95 중량% 의 짧은 사슬 폴리에스테르 성분(a1) 및 50 내지 5 중량% 의 긴 사슬 폴리에스테르 성분(a2)로 이루어진 100 중량부의 폴리에스테르 공중합체 (A), 유리전이온도 20 ℃ 이하 및 수평균분자량 500 내지 5000 의, 50 내지 500 중량부의, 히드록실 말단 중합체(B), 및 10 내지 100 중량부의 이소시아네이트 화합물(C') 를 용융 혼련하는 것으로 이루어진 에스테르 엘라스토머의 제조방법:상기 긴 사슬 폴리에스테르 성분(a2)는 유리전이온도 20 ℃ 이하 및 수평균분자량 500 내지 5000 을 갖는 올리고머 성분(L)을 함유하고, 절대 차이|δB - δL|[여기서, δB 는 상기 히드록실 말단 중합체(B)의 용해도 파라미터를 나타내고, δL 은 상기 긴 사슬 폴리에스테르 성분(a2) 의 상기 올리고머 성분(L)의 용해도 파라미터를 나타낸다] 는 0.5 이하이다.
- 제 12 항에 있어서, 이소시아네이트 화합물(C')가 3작용성 또는 다작용성 이소시아네이트 화합물을 포함하고 이의 평균 이소시아네이트 기의 수가 2 내지 2.2 인 것을 특징으로 하는 에스테르 엘라스토머의 제조방법.
- 제 12 항에 있어서, 100 중량부의 폴리에스테르 공중합체 (A), 50 내지 500 중량부의, 히드록실 말단 중합체(B), 10 내지 100 중량부의 이소시아네이트 화합물(C') 및 0.01 내지 20 중량부의 다작용성 에폭시 화합물을 용융 혼련하는 것으로 이루어진 것을 특징으로 하는 에스테르 엘라스토머의 제조방법.
- 제 12 항에 있어서, 100 중량부의 폴리에스테르 공중합체 (A), 50 내지 500 중량부의, 히드록실 말단 중합체(B), 10 내지 100 중량부의 이소시아네이트 화합물(C') 및 0.01 내지 20 중량부의 다가 알코올 화합물을 용융 혼련하는 것으로 이루어진 것을 특징으로 하는 에스테르 엘라스토머의 제조방법.
- 제 12 항에 있어서, 100 중량부의 폴리에스테르 공중합체 (A), 50 내지 500 중량부의, 히드록실 말단 중합체(B), 10 내지 100 중량부의 이소시아네이트 화합물(C'), 및 질소에 결합된 둘 이상의 수소 원자를 갖는 0.01 내지 20 중량부의 아민 화합물을 용융 혼련하는 것으로 이루어진 것을 특징으로 하는 에스테르 엘라스토머의 제조방법.
- 제 12 항에 있어서, 100 중량부의 폴리에스테르 공중합체 (A), 50 내지 500 중량부의, 히드록실 말단 중합체(B), 10 내지 100 중량부의 이소시아네이트 화합물(C'), 및 0.01 내지 20 중량부의, 질소에 결합된 둘 이상의 수소 원자를 갖는 아민 화합물 및 다작용성 에폭시 화합물의 결합물을 용융 혼련하는 것으로 이루어진 것을 특징으로 하는 에스테르 엘라스토머의 제조방법.
- 60 내지 90 의 표면 경도 및 90 % 이하의 2 시간 압축영구왜(壓縮永久歪) (120 ℃)를 갖는 에스테르 엘라스토머.
- 제 18 항에 있어서, 방향족 폴리에스테르 및 폴리에테르의 블록 공중합체로 이루어진 것을 특징으로 하는 에스테르 엘라스토머.
- 제 18 항 또는 제 19 항에 있어서, 시차주사 열량계로 측정한 170 내지 230 ℃ 의 용융점을 갖는 것을 특징으로 하는 에스테르 엘라스토머.
- 제 19 항 또는 제 20 항에 있어서, 방향족 폴리에스테르가 폴리(부틸렌 나프탈레이트) 또는 폴리(에틸렌 나프탈레이트) 인 것을 특징으로 하는 에스테르 엘라스토머.
Applications Claiming Priority (4)
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JP98-86517 | 1998-03-31 | ||
JP8651798 | 1998-03-31 | ||
JP98-133756 | 1998-05-15 | ||
JP10133756A JPH11325329A (ja) | 1998-05-15 | 1998-05-15 | 管状成形体 |
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KR20010042284A true KR20010042284A (ko) | 2001-05-25 |
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US (1) | US6579952B1 (ko) |
EP (1) | EP1068252B1 (ko) |
KR (1) | KR100583215B1 (ko) |
CA (1) | CA2325921A1 (ko) |
DE (1) | DE69928511T2 (ko) |
WO (1) | WO1999051656A1 (ko) |
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DE10138298A1 (de) | 2001-08-10 | 2003-02-27 | Basf Ag | Thermoplastische Polyurethane |
DE60223086T2 (de) * | 2002-03-26 | 2008-07-17 | Dainippon Ink And Chemicals, Inc. | Modifiziermittel für polymilchsäure und das modifiziermittel enthaltende polymilchsäurezusammensetzung |
US20100100124A1 (en) * | 2005-05-05 | 2010-04-22 | Tyco Healthcare Group Lp | Bioabsorbable surgical composition |
US20090177226A1 (en) * | 2005-05-05 | 2009-07-09 | Jon Reinprecht | Bioabsorbable Surgical Compositions |
US8044234B2 (en) * | 2005-05-05 | 2011-10-25 | Tyco Healthcare Group Lp | Bioabsorbable surgical composition |
US7858078B2 (en) * | 2005-12-06 | 2010-12-28 | Tyco Healthcare Group Lp | Bioabsorbable surgical composition |
CA2628575C (en) * | 2005-12-06 | 2014-07-08 | Tyco Healthcare Group Lp | Biocompatible surgical compositions |
CA2628582C (en) * | 2005-12-06 | 2015-03-31 | Tyco Healthcare Group Lp | Biocompatible tissue sealants and adhesives |
EP1957089A4 (en) * | 2005-12-06 | 2012-06-20 | Tyco Healthcare | CARBODIIMIDE CROSSLINKING OF FUNCTIONALIZED POLYETHYLENE GLYCOLS |
AU2006321914B2 (en) | 2005-12-06 | 2012-01-19 | Covidien Lp | Bioabsorbable compounds and compositions containing them |
AU2006321721B2 (en) | 2005-12-08 | 2012-07-05 | Covidien Lp | Biocompatible surgical compositons |
CA2629932C (en) * | 2005-12-08 | 2014-07-08 | Tyco Healthcare Group Lp | Viscosity-reduced sprayable compositions |
CA2629936A1 (en) * | 2005-12-08 | 2007-06-14 | Tyco Healthcare Group Lp | Biocompatible surgical compositions |
EP2212367B1 (en) | 2007-11-21 | 2015-03-18 | DSM IP Assets B.V. | Class e segment cables and tubes |
CN101868351B (zh) * | 2007-11-21 | 2014-08-20 | 帝斯曼知识产权资产管理有限公司 | 多层结构 |
JP5201105B2 (ja) * | 2008-10-23 | 2013-06-05 | 日立電線株式会社 | ポリブチレンナフタレート系樹脂組成物及びポリブチレンナフタレート系樹脂組成物を用いた電線 |
EP4282449A3 (en) | 2009-01-12 | 2024-02-28 | University Of Massachusetts Lowell | Polyisobutylene-based polyurethanes |
CN104520345B (zh) | 2012-11-21 | 2017-10-03 | 马萨诸塞州大学 | 高强度聚氨异丁烯聚氨甲酸酯 |
EP3420009B1 (de) * | 2016-02-22 | 2021-04-07 | Basf Se | Verfahren zur herstellung eines diblockcopolymers |
WO2018165273A1 (en) | 2017-03-07 | 2018-09-13 | Cardiac Pacemakers, Inc. | Hydroboration/oxidation of allyl-terminated polyisobutylene |
CN110997746B (zh) | 2017-08-17 | 2021-12-28 | 心脏起搏器股份公司 | 用于增强的耐久性的光交联聚合物 |
WO2019143629A1 (en) | 2018-01-17 | 2019-07-25 | Cardiac Pacemakers, Inc. | End-capped polyisobutylene polyurethane |
CN113227226B (zh) | 2018-12-22 | 2023-10-24 | 帝斯曼知识产权资产管理有限公司 | 泡沫 |
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US4186257A (en) * | 1977-02-15 | 1980-01-29 | Bayer Aktiengesellschaft | Process for the preparation of new segmented polyurethane resins derived from block copolymers being linked together through ester and/or urethane and/or urea groups |
US4182898A (en) | 1978-01-20 | 1980-01-08 | Anderson Development Company | Stable and storable polyester-polyether co-prepolymers |
US4568717A (en) * | 1984-10-09 | 1986-02-04 | Texaco, Inc. | Polymer polyols from liquid terephthalic polyester polyols |
US4980445A (en) | 1989-01-17 | 1990-12-25 | The Dow Chemical Company | Thermoplastic polyurethanes |
JPH05117381A (ja) * | 1991-10-25 | 1993-05-14 | Sekisui Chem Co Ltd | ポリエステル共重合体の製造方法 |
DE4201608A1 (de) | 1992-01-22 | 1993-07-29 | Bayer Ag | Verwendung von reaktionsgemischen als vergussmassen |
DE4429076A1 (de) | 1994-08-17 | 1996-02-22 | Bayer Ag | Isocyanatpräpolymere, ein Verfahren zu ihrer Herstellung und ihre Verwendung |
-
1999
- 1999-03-31 US US09/647,416 patent/US6579952B1/en not_active Expired - Fee Related
- 1999-03-31 EP EP99910799A patent/EP1068252B1/en not_active Expired - Lifetime
- 1999-03-31 CA CA002325921A patent/CA2325921A1/en not_active Abandoned
- 1999-03-31 WO PCT/JP1999/001714 patent/WO1999051656A1/en active IP Right Grant
- 1999-03-31 KR KR1020007010827A patent/KR100583215B1/ko not_active Expired - Fee Related
- 1999-03-31 DE DE69928511T patent/DE69928511T2/de not_active Expired - Fee Related
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KR100583215B1 (ko) | 2006-05-24 |
DE69928511D1 (de) | 2005-12-29 |
CA2325921A1 (en) | 1999-10-14 |
EP1068252B1 (en) | 2005-11-23 |
US6579952B1 (en) | 2003-06-17 |
EP1068252A1 (en) | 2001-01-17 |
DE69928511T2 (de) | 2006-08-10 |
WO1999051656A1 (en) | 1999-10-14 |
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