KR102420733B1 - 변형률 경화된 폴리프로필렌의 제조 방법 - Google Patents
변형률 경화된 폴리프로필렌의 제조 방법 Download PDFInfo
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Abstract
Description
도 2는 유기 과산화물로 처리하기 전의, 6 MFR 반응기 등급 폴리프로필렌의 신장 점도 플롯(190℃)이다.
도 3은 균질화 및 용융 압출에 의해 0.8 중량%의 유기 과산화물로 처리된 후의, 2 MFR 폴리프로필렌의 신장 점도 플롯이다.
도 4는 1.2 중량%의 유기 과산화물로 처리된 후의, 2 MFR 폴리프로필렌의 신장 점도 플롯이다.
도 5는 1.5 중량%의 유기 과산화물로 처리된 후의, 2 MFR 폴리프로필렌의 신장 점도 플롯이다.
Claims (15)
- - 중합 온도에서 중합 촉매를 프로필렌과 배합하여, MFR1을 갖는 폴리프로필렌 과립을 생성하는 단계로서, 폴리프로필렌 과립의 온도를 적어도 중합 온도로 유지하는 단계;
- 폴리프로필렌 과립의 융점 온도 미만의 온도에서 적어도 40 초의 체류 시간 동안, 폴리프로필렌 과립을 적어도 중합 온도의 온도에 있는 유기 과산화물로서, 25℃ 내지 100℃의 범위의 1 시간 반감기 온도(1T1/2)를 가지며, 하기 (a) 및 (b)로부터 선택된 구조를 갖는 하나 이상의 화합물로부터 선택되는 유기 과산화물과 혼합하여, MFR2를 갖는 폴리프로필렌 생성물을 형성하는 단계로서;
(상기 (a)와 (b)에서, 각각의 "R" 기는 독립적으로 수소, C1 또는 C5 내지 C24 또는 C30 선형 알킬, C5 내지 C24 또는 C30 2급 알킬, C5 내지 C24 또는 C30 3급 알킬, C7 내지 C34 알킬아릴, C7 내지 C34 아릴알킬, 및 할로겐, 카르복실레이트, 히드록실기, 아민, 메르캅탄 및 인 포함 기로 이루어진 군으로부터 선택되는 하나 이상의 치환기를 갖는 이들의 치환된 버전으로 이루어진 군으로부터 선택된다.)
폴리프로필렌 과립을 냉각시키지 않고 배합 단계 후에 혼합 단계를 수행하는 단계; 및
- 폴리프로필렌 생성물의 적어도 융점 온도의 온도에서 폴리프로필렌 생성물을 용융 블렌딩하여, 폴리프로필렌 펠릿을 형성하는 단계
를 포함하는 방법으로서,
상기 MFR1은 상기 MFR2보다 크고, MFR(용융 유속)은 2.16 kg 및 230℃에서 ASTM D1238에 따라 측정되며,
가교 결합을 방지하기 위하여 이작용성 제제(bifunctional agent) 및 방사선 조사가 존재하지 않는 방법. - 제1항에 있어서,
- 과립의 온도를 적어도 중합 온도의 온도로 유지하면서, 폴리프로필렌 과립을 균질화기로 운반하는 단계
를 더 포함하는 방법으로서,
폴리프로필렌 과립을 유기 과산화물과 혼합하는 단계는 폴리프로필렌 과립의 융점 온도 미만의 온도에서 적어도 40 초의 체류 시간 동안 균질화기에서 수행하여 MFR2를 갖는 폴리프로필렌 생성물을 형성하는 것인 방법. - 제2항에 있어서, 운반 단계에서 냉각을 수행하지 않는 방법.
- 제1항에 있어서, 유기 과산화물은 고형 과립의 형태인 방법.
- 제1항에 있어서, 유기 과산화물의 양이 폴리프로필렌 과립 및 유기 과산화물의 중량에 대하여 0.4 중량% 내지 1.5 중량% 범위인 방법.
- 제1항에 있어서, 혼합은 불활성 기체의 존재 하에 수행하는 방법.
- 제1항에 있어서, 혼합은 적어도 50,000 lbs의 중합체/시간의 속도로 균질화기에서 수행하는 방법.
- 제1항에 있어서, 폴리프로필렌 과립의 평균 입자 크기가, 적어도 1,500 마이크로미터 이상의 평균 직경으로부터, 1,000 마이크로미터 미만의 평균 직경으로 감소되는 방법.
- 제1항에 있어서, 유기 과산화물과 혼합하기 전에, 폴리프로필렌 과립을 50℃ 내지 100℃ 범위의 온도로 가열하는 방법.
- 제1항에 있어서, 폴리프로필렌 펠릿이 적어도 25 cN의 용융 강도[풀오프력(pull-off-force)]를 갖는 방법.
- 제10항에 있어서, 폴리프로필렌 과립은 0.97보다 큰 분지 지수(branching index)(g'vis)를 가지며, 폴리프로필렌 생성물은 0.97 이하의 g'vis 값을 갖는 방법.
- 제1항의 폴리프로필렌 펠릿으로부터 발포 물품을 형성하는 것을 포함하는 방법.
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762531940P | 2017-07-13 | 2017-07-13 | |
| US62/531,940 | 2017-07-13 | ||
| PCT/US2018/034081 WO2019013872A1 (en) | 2017-07-13 | 2018-05-23 | PROCESS FOR PRODUCING CURED POLYPROPYLENE UNDER STRAIN |
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| KR20200018617A KR20200018617A (ko) | 2020-02-19 |
| KR102420733B1 true KR102420733B1 (ko) | 2022-07-15 |
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| Country | Link |
|---|---|
| US (1) | US11390731B2 (ko) |
| EP (1) | EP3652221B1 (ko) |
| KR (1) | KR102420733B1 (ko) |
| CN (1) | CN111051365B (ko) |
| WO (1) | WO2019013872A1 (ko) |
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| EP4594414A1 (en) * | 2022-09-30 | 2025-08-06 | Fina Technology, Inc. | Polypropylene peroxide masterbatch |
| CN116396434A (zh) * | 2023-03-13 | 2023-07-07 | 天津大学 | 基于功能化接枝改性提升聚丙烯薄膜高温击穿性能的方法 |
Family Cites Families (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6686433B1 (en) | 1994-02-04 | 2004-02-03 | Exxonmobil Chemical Patents Inc. | Dual donor catalyst system for the polymerization of olefins |
| US6051617A (en) * | 1996-08-07 | 2000-04-18 | Jsp Corporation | Foamed particles of modified polypropylene resin and method of preparing same |
| DE69821463T2 (de) | 1997-08-05 | 2004-12-02 | Mitsui Chemicals, Inc. | Polypropylenharzzusammensetzung und deren verwendung |
| UA60351C2 (uk) * | 1997-11-21 | 2003-10-15 | Акцо Нобель Н.В. | Спосіб модифікації поліпропілену |
| US6087459A (en) | 1998-05-14 | 2000-07-11 | Exxon Chemical Patents Inc. | Polymeric materials formed using blends of electron donors |
| US6228951B1 (en) * | 1998-08-24 | 2001-05-08 | Japan Polychem Corporation | Polypropylene molding material |
| CN100564399C (zh) | 2002-08-01 | 2009-12-02 | 巴塞尔聚烯烃意大利有限公司 | 性能改进的高度立构有规聚丙烯 |
| US7678341B2 (en) | 2005-07-29 | 2010-03-16 | Exxonmobil Chemical Patents Inc. | Loop reactor heat removal |
| CN1955199B (zh) * | 2005-10-24 | 2010-05-05 | 中国科学院化学研究所 | 一种高熔体强度聚丙烯及其制备方法 |
| WO2009007265A1 (en) | 2007-07-10 | 2009-01-15 | Basf Se | Stabilizer compositions |
| JP4558066B2 (ja) | 2007-08-06 | 2010-10-06 | 日本ポリプロ株式会社 | 溶融物性が改良されたプロピレン系重合体の製造方法 |
| US9212432B2 (en) * | 2007-10-31 | 2015-12-15 | Exxonmobil Chemical Patents Inc. | Polypropylene spunbond fibers and methods for making same |
| SG182655A1 (en) | 2010-01-22 | 2012-08-30 | China Petroleum & Chemical | Propylene homopolymer having high melt strength and preparation method thereof |
| EP2386584A1 (en) | 2010-05-11 | 2011-11-16 | Borealis AG | Polypropylene composition suitable for extrusion coating |
| JP5749039B2 (ja) * | 2011-03-04 | 2015-07-15 | 株式会社カネカ | ポリプロピレン系樹脂発泡粒子、ポリプロピレン系樹脂型内発泡成形体、およびポリプロピレン系樹脂発泡粒子の製造方法 |
| ES2648254T3 (es) | 2011-05-02 | 2017-12-29 | Borealis Ag | Polipropileno para espuma y espuma de polipropileno |
| EP2729507B1 (en) * | 2011-07-06 | 2015-10-14 | Basell Poliolefine Italia S.r.l. | Random copolymer of propylene with 1-hexene |
| CN103649101A (zh) | 2011-07-08 | 2014-03-19 | 博瑞立斯有限公司 | 催化剂 |
| KR101829624B1 (ko) * | 2011-10-11 | 2018-03-29 | 브라스켐 에세.아. | 열성형된 제품의 생산을 위한 폴리프로필렌, 크고 깊으며 복잡하고/하거나 두꺼운 제품, 변형된 폴리프로필렌을 크고 깊으며 복잡하고/하거나 두꺼운 제품으로 열성형시키는 방법, 및 폴리프로필렌의 용도 |
| US9522984B2 (en) | 2011-10-17 | 2016-12-20 | Japan Polypropylene Corporation | Polypropylene resin composition and expanded molding |
| EP2800764B1 (en) | 2012-01-07 | 2017-05-31 | Council of Scientific & Industrial Research | Modified polypropylene compositions for reduced necking in extrusion film casting or extrusion coating processes |
| ES2599456T3 (es) | 2012-06-28 | 2017-02-01 | Borealis Ag | Polipropileno de resistencia elevada a la fusión de calidad mejorada |
| WO2014016206A1 (en) | 2012-07-25 | 2014-01-30 | Borealis Ag | Film with low ocs gel index |
| CA2872671C (en) | 2012-07-25 | 2017-08-15 | Borealis Ag | Foam produced from polypropylene with low gel content |
| CN104769020B (zh) | 2012-10-31 | 2017-12-22 | 埃克森美孚化学专利公司 | 含宽分子量分布聚丙烯树脂的制品 |
| WO2014070386A1 (en) | 2012-10-31 | 2014-05-08 | Exxonmobil Chemical Patents Inc. | Broad molecular weight distribution polypropylene resins |
| BR112015009509B1 (pt) | 2012-10-31 | 2021-09-21 | Exxonmobil Chemical Patents Inc | Artigos moldado compreendendo resinas de polipropileno de ampla distribuição de peso molecular e resina espumável |
| KR101728643B1 (ko) | 2013-06-19 | 2017-04-19 | 보레알리스 아게 | 높은 다분산도를 갖는 폴리프로필렌의 생산 공정 |
| CN104974369B (zh) * | 2014-04-04 | 2018-01-23 | 中国石油化工股份有限公司 | 一种聚丙烯发泡珠粒的制备方法 |
| BR112016030490B1 (pt) | 2014-06-25 | 2022-01-18 | Basf Se | Método de processamento no estado fundido de uma composição de polipropileno, polipropileno processado no estado fundido e artigo |
| JP6502530B2 (ja) | 2015-02-04 | 2019-04-17 | エクソンモービル ケミカル パテンツ インコーポレイテッド | バランスのとれた歪み硬化、溶融強度、およびずり減粘を有するポリプロピレン |
| TWI588170B (zh) | 2015-04-10 | 2017-06-21 | 柏列利斯股份公司 | 混合烯烴聚合物與反應物的方法 |
| EP3280767A4 (en) | 2015-04-10 | 2018-12-05 | ExxonMobil Chemical Patents Inc. | Extrusion of polypropylenes with organic peroxides |
| CN106432558B (zh) * | 2015-08-05 | 2020-06-09 | 中国石油天然气股份有限公司 | 一种无纺布专用聚丙烯树脂及其合成方法 |
| US20170051118A1 (en) * | 2015-08-21 | 2017-02-23 | Fina Technology, Inc. | Pellets of lightly vis-broken polypropylene |
-
2018
- 2018-05-23 US US16/629,676 patent/US11390731B2/en active Active
- 2018-05-23 WO PCT/US2018/034081 patent/WO2019013872A1/en not_active Ceased
- 2018-05-23 EP EP18733030.3A patent/EP3652221B1/en active Active
- 2018-05-23 KR KR1020207000934A patent/KR102420733B1/ko active Active
- 2018-05-23 CN CN201880055669.7A patent/CN111051365B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111051365A (zh) | 2020-04-21 |
| US20200325318A1 (en) | 2020-10-15 |
| US11390731B2 (en) | 2022-07-19 |
| KR20200018617A (ko) | 2020-02-19 |
| CN111051365B (zh) | 2023-05-23 |
| EP3652221A1 (en) | 2020-05-20 |
| EP3652221B1 (en) | 2021-08-11 |
| WO2019013872A1 (en) | 2019-01-17 |
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