KR100415729B1 - 열가소성 폴리우레탄 탄성체의 제조방법 - Google Patents
열가소성 폴리우레탄 탄성체의 제조방법 Download PDFInfo
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- KR100415729B1 KR100415729B1 KR10-2000-0085075A KR20000085075A KR100415729B1 KR 100415729 B1 KR100415729 B1 KR 100415729B1 KR 20000085075 A KR20000085075 A KR 20000085075A KR 100415729 B1 KR100415729 B1 KR 100415729B1
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- South Korea
- Prior art keywords
- diisocyanate
- prepolymer
- formula
- polyurethane elastomer
- thermoplastic polyurethane
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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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/089—Reaction retarding agents
-
- 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
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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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)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
구분 | 인장강도(kg/mm2) | 신장율(%) | 인열강도(kg/mm) | 경도(shore A) | 융점(℃) | 열분해온도(℃) |
실시예 1 | 20 | 80 | 18.1 | 102 | 250 | 322 |
실시예 2 | 23 | 140 | 15.3 | 98 | 254 | 337 |
실시예 3 | 18 | 230 | 13.2 | 95 | 161 | 253 |
비교예 1 | 3.5 | 450 | 9.1 | 85 | - | 200 |
비교예 2 | 4.2 | 400 | 11.7 | 92 | - | 230 |
Claims (6)
- 폴리에테르형 폴리올과 방향족 디이소시아네이트를 반응시켜 말단에 이소시아네이트기를 가지는 프리폴리머를 제조한 후, 상기 프리폴리머에 쇄연장제로서 하기 화학식 1의 구조를 갖는 N,N'-비스(4-히드록시페닐)-3,4,3',4'-비페닐 디카르복시이미드 또는 하기 화학식 2의 구조를 갖는 N,N'-비스[4-(ω-히드록시알콕시)페닐]-3,4,3',4'-비페닐 디카르복시이미드 또는 하기 화학식 3의 구조를 갖는 N,N'-비스(ω-히드록시알콕시)-3,4,3',4'-비페닐 디카르복시이미드를 상기 프리폴리머의 말단 이소시아네이트기에 대하여 0.9∼1.4의 당량비로 첨가하고 더 반응시키는 단계를 포함하는 열가소성 폴리우레탄 탄성체의 제조방법.[화학식 1][화학식 2](상기 화학식중 n은 1~10임)[화학식 3](상기 화학식중 n은 1~10임)
- 제 1항에 있어서,상기 폴리에테르형 폴리올은 수평균 분자량이 650~2000이고 분자량 분포지수가 1.35~1.80인 것을 특징으로 하는 열가소성 폴리우레탄 탄성체의 제조방법.
- 제 2항에 있어서,상기 폴리에테르형 폴리올이 프로필렌 옥사이드, 에틸렌 옥사이드, 테트라하이드로퓨란의 개환중합에 의해서 얻어지는 폴리프로필렌 글리콜, 폴리에틸렌 글리콜, 또는 폴리테트라메틸렌 에테르 글리콜인 것을 특징으로 하는 열가소성 폴리우레탄 탄성체의 제조방법.
- 제 1항에 있어서,상기 방향족 디이소시아네이트가 1,6-헥사메틸렌 디이소시아네이트, 4,4'-디페닐메탄 디이소시아네이트, 1,5-디나프탈렌 디이소시아네이트, 2,4-톨루엔 디이소시아네이트, 2,6-톨루엔 디이소시아네이트, 2,4-톨루엔 디이소시아네이트와 2,6-톨루엔 디이소시아네이트의 혼합물, 3,3'-디톨루엔-4,4'-디이소시아네이트, m-페닐렌 디이소시아네이트, 또는 3,3'-디메틸-4,4'-디페닐메탄 디이소시아네이트인 것을 특징으로 하는 열가소성 폴리우레탄 탄성체의 제조방법.
- 삭제
- 제 1항에 있어서,상기 프리폴리머에 상기 디올계 쇄연장제를 첨가하고 50∼100℃에서 0.5∼1시간 동안 더 반응시키는 것을 특징으로 하는 열가소성 폴리우레탄 탄성체의 제조방법.
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KR10-2000-0085075A KR100415729B1 (ko) | 2000-12-29 | 2000-12-29 | 열가소성 폴리우레탄 탄성체의 제조방법 |
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KR10-2000-0085075A KR100415729B1 (ko) | 2000-12-29 | 2000-12-29 | 열가소성 폴리우레탄 탄성체의 제조방법 |
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KR20020055838A KR20020055838A (ko) | 2002-07-10 |
KR100415729B1 true KR100415729B1 (ko) | 2004-02-05 |
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CN112480353A (zh) * | 2020-11-30 | 2021-03-12 | 山东一诺威聚氨酯股份有限公司 | 超耐油耐热tpu材料及其制备方法 |
CN114163969B (zh) * | 2021-11-27 | 2023-09-29 | 中德新亚建筑材料有限公司 | 一种含酰亚胺杂环结构的密封胶及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6270458A (ja) * | 1985-09-24 | 1987-03-31 | Sakata Shokai Ltd | 被覆用樹脂組成物 |
JPH02202509A (ja) * | 1989-01-31 | 1990-08-10 | Nippon Polyurethane Ind Co Ltd | 低温速硬化性に優れた繊維強化ポリウレタン樹脂組成物 |
JPH05163450A (ja) * | 1991-12-11 | 1993-06-29 | Arakawa Chem Ind Co Ltd | 印刷インキ用バインダー及び印刷インキ組成物 |
JPH07113004A (ja) * | 1993-10-18 | 1995-05-02 | Regurusu:Kk | 熱可塑性ポリウレタンエラストマー及びその製造方法 |
KR19980070663A (ko) * | 1997-01-24 | 1998-10-26 | 월리엄에프.마쉬 | 개선된 역학적 특성을 갖는 엘라스토머 제조용 폴리우레탄프리폴리머 |
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- 2000-12-29 KR KR10-2000-0085075A patent/KR100415729B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6270458A (ja) * | 1985-09-24 | 1987-03-31 | Sakata Shokai Ltd | 被覆用樹脂組成物 |
JPH02202509A (ja) * | 1989-01-31 | 1990-08-10 | Nippon Polyurethane Ind Co Ltd | 低温速硬化性に優れた繊維強化ポリウレタン樹脂組成物 |
JPH05163450A (ja) * | 1991-12-11 | 1993-06-29 | Arakawa Chem Ind Co Ltd | 印刷インキ用バインダー及び印刷インキ組成物 |
JPH07113004A (ja) * | 1993-10-18 | 1995-05-02 | Regurusu:Kk | 熱可塑性ポリウレタンエラストマー及びその製造方法 |
KR19980070663A (ko) * | 1997-01-24 | 1998-10-26 | 월리엄에프.마쉬 | 개선된 역학적 특성을 갖는 엘라스토머 제조용 폴리우레탄프리폴리머 |
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