KR101644524B1 - 이타콘산이 그래프트된 폴리프로필렌 공중합체를 함유한 상용화제 및 이를 사용하는 pp/evoh 블렌드 - Google Patents
이타콘산이 그래프트된 폴리프로필렌 공중합체를 함유한 상용화제 및 이를 사용하는 pp/evoh 블렌드 Download PDFInfo
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- KR101644524B1 KR101644524B1 KR1020140109162A KR20140109162A KR101644524B1 KR 101644524 B1 KR101644524 B1 KR 101644524B1 KR 1020140109162 A KR1020140109162 A KR 1020140109162A KR 20140109162 A KR20140109162 A KR 20140109162A KR 101644524 B1 KR101644524 B1 KR 101644524B1
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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Abstract
본 발명에 따라 이타콘산이 그래프트된 폴리프로필렌(PP) 공중합체를 상용화제로 사용하면, 폴리프로필렌 및 EVOH 블렌드의 계면결합력을 향상시킬 수 있다.
Description
도 2는 (a) PP, (b) PP-g-IA0 .75, (c) PP-g-IA0 .90, (d) PP-g-IA1 .00 및 (e) PP-g-IA0.89의 IR 스펙트럼을 나타내는 그래프이다.
도 3은 (a) PP-g-IA0 .75, (b) PP-g-IA0 .90, (c) PP-g-IA1 .00 및 (d) PP-g-IA0 .89의 1H-NMR의 스펙트럼을 나타내는 그래프이다.
도 4는 본 발명에 따른 상용화제를 다양한 함량으로 포함하는 PP 및 PP/EVOH 블렌드의 SEM 이미지이다.
도 5는 PP/EVOH/PP-g-IA내에 거대분자의 수소결합을 개략적으로 나타낸 도이다.
도 6은 (a)PP, (b)PP/EVOH/PP-g-IA1 .00(20), (c)PP/EVOH/PP-g-IA1 .00(10), (d)PP/EVOH/PP-g-IA1.00(5), (e)PP/EVOH/PP-g-IA1 .00(2.5), (f)PP/EVOH 및 (g)EVOH의 DSC를 나타내는 그래프이다.
Name | PP (g) | IA(g) | IA (wt. %) | Initiatora(wt.%) | Graft ratiob(중량%) |
PP-g-IA0 .75 | 24.75 | 0.25 | 1 | 1 | 0.75 |
PP-g-IA0 .90 | 24.50 | 0.50 | 2 | 1 | 0.90 |
PP-g-IA1 .00 | 23.75 | 1.25 | 5 | 1 | 1.00 |
PP-g-IA0 .89 | 22.50 | 2.50 | 10 | 1 | 0.89 |
Name | PP(g) | EVOH(g) | PP-g-IA1 .00(g) |
PP/EVOH | 31.5 | 3.5 | 0 |
PP/EVOH/PP-g-IA1 .00 (2.5) | 31.5 | 3.5 | 0.875 |
PP/EVOH/PP-g-IA1 .00 (5) | 31.5 | 3.5 | 1.75 |
PP/EVOH/PP-g-IA1 .00 (10) | 31.5 | 3.5 | 3.5 |
PP/EVOH/PP-g-IA1 .00 (20) | 31.5 | 3.5 | 7 |
Name | 인장강도(MPa) | 모듈러스(MPa) | 파단신율(%) |
PP/EVOH | 25.5 | 243.5 | 10.1 |
PP/EVOH/PP-g-IA1 .00 (2.5) | 26.3 | 244 | 11.3 |
PP/EVOH/PP-g-IA1 .00 (5) | 23.4 | 259 | 11.6 |
PP/EVOH/PP-g-IA1 .00 (10) | 25.1 | 178 | 12.4 |
PP/EVOH/PP-g-IA1 .00 (20) | 27.2 | 173 | 15.5 |
Claims (10)
- 블렌드에 있어서,
상기 블렌드는 폴리프로필렌(PP) 및 에틸렌비닐알코올(EVOH)을 함유하고, 이타콘산(IA)이 그래프트된 폴리프로필렌(PP) 공중합체가 상용화제로서 포함되고,
상기 이타콘산(IA)이 그래프트된 폴리프로필렌(PP) 공중합체는 폴리프로필렌 g당 그래프트된 이타콘산이 0.5 중량% 내지 1.2 중량%이고,
상기 상용화제는 블렌드 전체 기준으로 0.1 내지 25 중량% 범위로 포함되는 것인, 블렌드.
- 삭제
- 제1항에 있어서, 이타콘산(IA)이 그래프트된 폴리프로필렌(PP) 공중합체는 그래프트 중합용 개시제를 첨가하여 제조된 것인 블렌드.
- 제3항에 있어서, 상기 개시제는 2,5-비스(tert-부틸퍼옥시)-2,5-디메틸헥산, 벤조일퍼옥사이드, 아세틸퍼옥사이드, 디라우릴퍼옥사이드, 디-tert-부틸퍼옥사이드, 디쿠밀하이드로퍼옥사이드, 과산화수소, 과황화칼륨, 2,5-디메틸-2,5-디(tert-부틸퍼옥사이드)-헥산, 2,2-디(tert-부틸퍼옥사이드)-5,5,6-트리메틸비사이클로[2.2.1]헵탄, 2,2-디(3-메틸-1-부틴-3-일퍼옥사이드)-5,5,6-트리메틸비사이클로[2.2.1]헵탄, 2,5-디메틸-2,5-디(tert-부틸퍼옥사이드)-헥신-3-디(tert-부틸퍼옥사이드-이소프로필)-벤젠, 2,2'-아조비스(2,4-디메틸)발레로니트릴, 2,2-아조비스이소부티로니트릴, 디메틸-2,2'-아조비스(이소부티레이트)-2-2'-아조비스-(4-메톡시-2,4-디메틸 발레로니트릴)로 구성되는 군으로부터 하나이상 선택되는 것인 블렌드.
- 제1항에 있어서, 이타콘산(IA)이 그래프트된 폴리프로필렌(PP) 공중합체는 150℃ 내지 250℃에서 그래프트 중합시킨 것인 블렌드.
- 삭제
- 삭제
- 제1항, 및 제3항 내지 제5항 중 어느 한 항에 기재된 블렌드로 제조된 식품포장재.
- 제1항, 및 제3항 내지 제5항 중 어느 한 항에 기재된 블렌드로 제조된 필름.
- 제9항에 있어서, 파단신율이 10 내지 20 %를 갖는 것이 특징인 필름.
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KR1020140109162A KR101644524B1 (ko) | 2014-08-21 | 2014-08-21 | 이타콘산이 그래프트된 폴리프로필렌 공중합체를 함유한 상용화제 및 이를 사용하는 pp/evoh 블렌드 |
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KR20230063677A (ko) | 2021-11-02 | 2023-05-09 | 한국신발피혁연구원 | 극성기를 가지는 epdm의 제조 방법 및 이 방법에 의해 제조된 극성기를 가지는 epdm |
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KR100203443B1 (ko) * | 1996-10-10 | 1999-06-15 | 남창우 | 폴리프로필렌 수지 조성물 |
WO2001098386A1 (fr) * | 2000-06-20 | 2001-12-27 | Atofina | Polypropylene syndiotactique greffe et liants de coextrusion a base de polypropylene syndiotactique |
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