KR20180055871A - 가공 가능한 폴리비닐 알콜을 제조하는 방법 및 장치 - Google Patents
가공 가능한 폴리비닐 알콜을 제조하는 방법 및 장치 Download PDFInfo
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- KR20180055871A KR20180055871A KR1020187010985A KR20187010985A KR20180055871A KR 20180055871 A KR20180055871 A KR 20180055871A KR 1020187010985 A KR1020187010985 A KR 1020187010985A KR 20187010985 A KR20187010985 A KR 20187010985A KR 20180055871 A KR20180055871 A KR 20180055871A
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- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
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Abstract
적어도 98 중량%의 폴리비닐 알콜을 포함하는 폴리비닐 알콜 중합체 또는 상기 중합체의 블렌드를 혼합 반응기에 도입하는 단계로서,
상기 혼합 반응기는 1차 입구, 1차 출구, 및 상기 1차 입구와 상기 1차 출구 사이에서 연장되는 적어도 2개의 상호 맞물린 부품을 갖는 블렌딩 챔버를 포함하고, 상기 부품들은 상기 부품들에 의해 상기 중합체가 상기 입구로부터 반응 구역을 거쳐 상기 출구로 이송되는 동안 상기 중합체에 전단력을 가하도록 배열되고,
가공제 및 가소제를 포함하는 반응물을 상기 챔버에 도입하여 반응 혼합물을 형성하기 위해 상기 1차 입구로부터 하류에 하나 이상의 2차 입구가 위치되고,
상기 블렌딩 챔버는 상기 혼합물이 제어된 온도 프로파일을 받도록 배열된 복수의 가열 영역을 포함하고,
상기 챔버로부터 가공제가 제거될 수 있도록 배열된 2차 출구가 상기 반응 구역과 상기 1차 출구 사이에 위치된, 상기 폴리비닐 알콜 중합체 또는 상기 중합체의 블렌드를 혼합 반응기에 도입하는 단계;
상기 반응 구역에서 상기 가공제, 가소제 및 중합체를 포함하는 반응 혼합물을 반응시켜 가소화 중합체를 형성하는 단계로서,
상기 가공제가 물인 경우, 상기 물의 양은 3 중량% 내지 18 중량%인, 상기 반응 혼합물을 반응시켜 가소화 중합체를 형성하는 단계; 및
상기 가소화된 중합체를 상기 1차 출구로부터 통과시키는 단계를 포함하는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체 혼합물을 제조하는 방법에 관한 것이다.
Description
분자량 유형 | 평균 분자량 범위(Mw) |
수 평균 분자량 범위(Mn) |
분산 지수(DI) (Mw/Mn) |
점도(cP) 범위* |
낮음 | 13-50,000 | 7-23,000 | 1.86-2.2 | 0-6 |
중간 | 85-124,000 | 44-65,000 | 1.93-1.91 | 23-30 |
높음 | 146-186,000 | 70-101,000 | 2.09-1.84 | 45-72 |
도 2는 브라벤더 회분 반응기에서 폴리비닐 알콜(85%)(상이한 등급들을 포함함)을 물 및 글리세롤과 반응 혼합시키는 것에 의해 반응시켰을 때의 전형적인 토크 및 온도 변화를 도시한다.
도 3은 약 60℃에서 브라벤더 회분 반응기에서 폴리비닐 알콜을 가공 보조제(물) 및 글리세린(가소제)과 반응 혼합시키는 것에 의해 반응시켰을 때의 초기 혼합 온도의 영향을 도시한다.
도 4는 트윈 스크류 압출기 시스템의 개략도이다.
도 5는 다중 공동 다이(cavity die) 및 건조면 펠릿화기가 장착된 단일 스크류 압출기에 결합된 트윈 스크류 압출기의 개략도이다.
도 6은 건조면 커터가 장착된 단일 스크류 압출기에 결합되고 가열 구역들이 하이라이트된 트윈 스크류 압출기의 개략도이다.
도 7은 D2O 중에 12% 글리세롤을 포함하는 중합체의 1HNMR 스펙트럼을 도시한다.
도 8은 열 중량 분석에 의해 얻어진 전형적인 열 화상(thermogram)을 보여준다.
기준 | 교정 샘플 |
GLU010715-001 | D2O 중 2% 글리세롤 |
GLU010715-001 | D2O 중 4% 글리세롤 |
GLU010715-003 | D2O 중 6% 글리세롤 |
GLU010715-004 | D2O 중 8% 글리세롤 |
GLU010715-005 | D2O 중 10% 글리세롤 |
GLU010715-006 | D2O 중 12% 글리세롤 |
GLU010715-007 | 펠릿 샘플 |
글리세롤(%) | 중합체 | 글리세롤 CH | 정규화된 세기 | 계산된 글리세롤(%) |
4 | 100 | 3.74 | 0.0374 | 4.40 |
6 | 100 | 5.26 | 0.0526 | 6.19 |
8 | 100 | 6.98 | 0.0698 | 8.21 |
10 | 100 | 8.42 | 0.0842 | 9.91 |
12 | 100 | 9.9 | 0.099 | 11.65 |
펠릿 | 100 | 5.85 | 0.0585 | 6.88 |
Claims (16)
- 가소화된 폴리비닐 알콜 중합체 혼합물을 제조하는 방법으로서,
적어도 98 중량%의 폴리비닐 알콜을 포함하는 폴리비닐 알콜 중합체 또는 상기 중합체의 블렌드를 혼합 반응기에 도입하는 단계로서,
상기 혼합 반응기는 1차 입구, 1차 출구, 및 상기 1차 입구와 상기 1차 출구 사이에서 연장되는 적어도 2개의 상호 맞물린 부품들을 갖는 블렌딩 챔버를 포함하고, 상기 부품들은 상기 중합체가 상기 부품들에 의해 상기 입구로부터 반응 구역을 거쳐 상기 출구로 이송되는 동안 상기 중합체에 전단력을 가하도록 배열되고,
가공제 및 가소제를 포함하는 반응물을 상기 챔버에 도입하여 반응 혼합물을 형성하기 위해 상기 1차 입구로부터 하류에 하나 이상의 2차 입구가 위치되고,
상기 블렌딩 챔버는 상기 혼합물이 제어된 온도 프로파일을 받도록 배열된 복수의 가열 영역을 포함하고,
상기 챔버로부터 가공제가 제거될 수 있도록 배열된 2차 출구가 상기 반응 구역과 상기 1차 출구 사이에 위치된, 상기 폴리비닐 알콜 중합체 또는 상기 중합체의 블렌드를 혼합 반응기에 도입하는 단계;
상기 반응 구역에서 상기 가공제, 상기 가소제 및 상기 중합체를 포함하는 반응 혼합물을 반응시켜 가소화된 중합체를 형성하는 단계로서,
상기 가공제가 물일 때 상기 물의 양은 3 중량% 내지 18 중량%인, 상기 반응 혼합물을 반응시켜 가소화된 중합체를 형성하는 단계; 및
상기 가소화된 중합체를 상기 1차 출구로부터 통과시키는 단계를 포함하는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법. - 제1 항에 있어서, 상기 가공제는 물이거나, 또는 물과 하나 이상의 C1-C4 알콜 또는 다른 수산기 화합물의 혼합물이고, 상기 가공제의 비점은 상기 가소제의 비점보다 더 작은 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항에 있어서, 상기 물의 양은 3 중량% 내지 15 중량%, 대안적으로 3 중량% 내지 12 중량%, 더 대안적으로 5 중량% 내지 10 중량%인 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제 3항 중 어느 한 항에 있어서, 상기 가소제는 다가 알콜, 폴리에틸렌 글리콜, 글리세롤, 디올 또는 트리올, 예를 들어, 프로필렌 글리콜, 에틸렌 글리콜, 폴리에틸렌 글리콜, 글리세롤, 만니톨, 에리트리톨, 펜타에리트리톨, 소르비톨, 디펜타에리트리톨, 트리메틸올프로판 및 이들의 혼합물로 구성된 그룹으로부터 선택된 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제4 항 중 어느 한 항에 있어서, 상기 온도 프로파일은 제1 영역에서의 주위 온도로부터 상기 2차 출구 근처에서의 200℃로 증가하고, 상기 반응 구역은 적어도 200℃의 온도를 갖는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제5 항 중 어느 한 항에 있어서, 상기 반응 구역의 위치는 상기 온도 프로파일, 하나 이상의 스크류의 회전 속력, 및 상기 반응 혼합물이 상기 혼합 반응기로 공급되는 공급 속도 중 하나 이상을 변화시키는 것에 의해 제어되는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제6 항 중 어느 한 항에 있어서, 상기 반응 구역의 하류에 위치된 강한 혼합 영역을 포함하고, 상기 강한 혼합 구역은 상기 반응 구역과 상기 2차 출구 사이에 위치된 패들 혼합기(paddle mixer)를 포함하는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제6 항 또는 제7 항에 있어서, 상기 혼합 영역은 하나 이상의 상호 맞물린 회전자 블레이드 또는 패들 쌍을 포함하는 혼련 영역(kneading region)을 포함하는 것인 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제8 항 중 어느 한 항에 있어서, 상기 2차 출구는 상기 혼합 반응기로부터 가공제를 제거하도록 구성된 배출구(vent)인 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제9 항 중 어느 한 항에 있어서, 상기 가소화된 중합체는 5 중량% 미만, 대안적으로 2 중량% 미만, 더 대안적으로 0.5 중량% 미만의 수분 함량을 갖는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제10 항 중 어느 한 항에 있어서, 상기 1차 출구의 하류에 펌프가 위치되고, 상기 펌프는 단일 스크류 압출기 유닛을 포함하는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제1 항 내지 제11 항 중 어느 한 항에 있어서, 상기 폴리비닐 알콜의 블렌드는 2 이상의 폴리비닐 알콜 중합체를 포함하고, 각각의 중합체는 적어도 98%의 가수 분해도를 갖고; 상기 블렌드는 하나의 비교적 고분자량의 폴리비닐 알콜 및 적어도 하나의 비교적 저분자량의 폴리비닐 알콜을 포함하며, 상기 고분자량의 중합체는 상기 저분자량의 중합체보다 더 높은 분자량을 갖는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제12 항에 있어서, 상기 폴리비닐 알콜의 블렌드에서 고분자량 대 저분자량의 폴리비닐 알콜의 비율은 2:1 내지 10:1 범위, 대안적으로 3:1 내지 7:1 범위, 더 대안적으로 4:1 내지 6:1 범위, 더 대안적으로 약 5:1에 있는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 제12 항 또는 제13 항에 있어서, 상기 고분자량의 중합체는 약 60,000 내지 약 120,000 범위의 분자량을 갖고, 상기 저분자량의 중합체는 약 5,000 내지 약 30,000 범위의 분자량을 갖는 것을 특징으로 하는 가소화된 폴리비닐 알콜 중합체를 제조하는 방법.
- 폴리비닐 알콜 중합체 조성물로서,
98% 이상의 가수 분해도를 갖는 폴리비닐 알콜 중합체 또는 그 블렌드;
6 중량% 내지 15 중량% 범위의 가소제로서, 상기 가소제는 다가 알콜, 폴리에틸렌 글리콜, 글리세롤, 디올, 트리올 및 이들의 혼합물로 이루어진 그룹으로부터 선택된, 상기 가소제; 및
0.1 중량% 내지 0.5 중량% 범위의 수분 함량을 포함하고,
상기 중합체는 점탄성 열가소성 중합체의 형태인 것을 특징으로 하는 폴리비닐 알콜 중합체 조성물. - 혼합 반응기를 포함하는, 98 중량% 이상의 폴리비닐 알콜 함량을 갖는 폴리비닐 알콜 중합체를 반응 혼합시키기 위한 장치로서,
상기 혼합 반응기는 1차 입구, 1차 출구, 및 상기 1차 입구와 상기 1차 출구 사이에서 연장되는 적어도 2개의 상호 맞물린 부품들을 갖는 블렌딩 챔버를 포함하고, 상기 부품들은 상기 중합체가 상기 부품들에 의해 상기 입구로부터 반응 구역을 거쳐 상기 출구로 이송되는 동안 상기 중합체에 전단력을 가하도록 배열되고,
상기 반응기 챔버는 혼합물이 상기 입구로부터 상기 출구로 증가하는 온도 프로파일을 받도록 배열된 복수의 가열 영역을 포함하고,
가공제 및 가소제를 포함하는 반응물을 상기 챔버에 도입하여 반응 혼합물을 형성하기 위해 상기 1차 입구로부터 하류에 하나 이상의 2차 입구가 위치되고,
상기 온도 프로파일은 상기 가공제 및 상기 가소제가 상기 반응 구역에서 상기 중합체와 반응하여 가소화된 중합체를 형성하게 하는 것을 특징으로 하는 폴리비닐 알콜 중합체를 반응 혼합시키기 위한 장치.
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KR (1) | KR102619859B1 (ko) |
CN (1) | CN108137735A (ko) |
AU (1) | AU2016323721B2 (ko) |
CA (1) | CA2998964C (ko) |
ES (1) | ES2953406T3 (ko) |
HK (1) | HK1257877A1 (ko) |
PT (1) | PT3350231T (ko) |
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CN109983074A (zh) * | 2016-10-18 | 2019-07-05 | 株式会社可乐丽 | 多羟基化合物作为用于聚乙烯醇的增塑剂在3d打印方法中的用途 |
TWI865555B (zh) * | 2019-07-04 | 2024-12-11 | 日商愛賽璐股份有限公司 | 轉印用薄片及轉印方法 |
WO2021054564A1 (ko) | 2019-09-19 | 2021-03-25 | 주식회사 엘지화학 | 고흡수성 수지 함수겔 세절장치 |
EP3936555A1 (en) | 2020-07-06 | 2022-01-12 | Aquapak Polymers Limited | Plasticised polyvinyl alcohol mixture and method for making it. |
KR20230066373A (ko) | 2020-08-26 | 2023-05-15 | 아쿠아팩 아이피 리미티드 | 폴리비닐 알코올 코팅된 셀룰로스 제품 |
GB202106137D0 (en) | 2021-04-29 | 2021-06-16 | Dm Flexibles Ltd | Laminated products and methods for their production |
JP7536359B2 (ja) | 2021-06-18 | 2024-08-20 | エルジー・ケム・リミテッド | 高吸水性樹脂の含水ゲル微粒化装置 |
CN113480751B (zh) * | 2021-07-15 | 2022-08-09 | 江南大学 | 一种海岛纤维用可熔纺聚乙烯醇母粒及其制备方法 |
EP4272952A1 (en) | 2022-05-04 | 2023-11-08 | B&T Entwicklungs- und Vermarktungsgesellschaft mbH | Polymer multilayer |
EP4321664A1 (en) | 2022-08-13 | 2024-02-14 | Aquapak IP Limited | Polyvinyl alcohol fibres and meltblown fibrous products |
EP4321668A1 (en) | 2022-08-13 | 2024-02-14 | Aquapak IP Limited | Polyvinyl alcohol fibres and spunbond fibrous products |
EP4321665A1 (en) | 2022-08-13 | 2024-02-14 | Aquapak IP Limited | Extruded polyvinyl alcohol fibres and fibrous products |
EP4321660A1 (en) | 2022-08-13 | 2024-02-14 | Aquapak IP Limited | Polyvinyl alcohol fibres and fibrous products |
EP4332151A1 (en) | 2022-08-31 | 2024-03-06 | Aquapak IP Limited | Cellulose fibre reinforced polyvinyl alcohol composite materials |
CN115537968A (zh) * | 2022-09-09 | 2022-12-30 | 明新梅诺卡(江苏)新材料有限公司 | 一种聚乳酸海岛纤维及其制备方法 |
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2016
- 2016-09-16 CA CA2998964A patent/CA2998964C/en active Active
- 2016-09-16 JP JP2018534011A patent/JP6878440B2/ja active Active
- 2016-09-16 US US15/268,508 patent/US10316120B2/en active Active
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- 2016-09-16 KR KR1020187010985A patent/KR102619859B1/ko active Active
- 2016-09-16 EP EP16793761.4A patent/EP3350231B1/en active Active
- 2016-09-16 CN CN201680054284.XA patent/CN108137735A/zh active Pending
- 2016-09-16 WO PCT/EP2016/072029 patent/WO2017046361A1/en active Application Filing
- 2016-09-19 TW TW105130148A patent/TWI743050B/zh active
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US4493807A (en) * | 1981-11-28 | 1985-01-15 | Basf Aktiengesellschaft | Process for producing sheet-like structures from vinyl alcohol polymers |
EP0415357A2 (en) * | 1989-09-01 | 1991-03-06 | Air Products And Chemicals, Inc. | Extrudable polyvinyl alcohol compositions |
WO1993009171A1 (en) * | 1991-11-07 | 1993-05-13 | Novamont S.P.A. | Method of producing plasticised polyvinyl alcohol, and its use |
WO1997022658A1 (fr) * | 1995-12-15 | 1997-06-26 | Soltec Developpement S.A. | Compositions thermoplastiques a base d'alcool polyvinylique, procede d'homogeneisation et les produits obtenus |
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JP6878440B2 (ja) | 2021-05-26 |
JP2018527453A (ja) | 2018-09-20 |
KR102619859B1 (ko) | 2023-12-29 |
ES2953406T3 (es) | 2023-11-10 |
WO2017046361A1 (en) | 2017-03-23 |
AU2016323721A1 (en) | 2018-04-12 |
HK1257877A1 (zh) | 2019-11-01 |
EP3350231A1 (en) | 2018-07-25 |
CA2998964A1 (en) | 2017-03-23 |
TWI743050B (zh) | 2021-10-21 |
EP3350231B1 (en) | 2023-05-24 |
AU2016323721B2 (en) | 2021-09-23 |
TW201733764A (zh) | 2017-10-01 |
CN108137735A (zh) | 2018-06-08 |
US10316120B2 (en) | 2019-06-11 |
PT3350231T (pt) | 2023-08-29 |
US20170081442A1 (en) | 2017-03-23 |
CA2998964C (en) | 2023-07-11 |
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