KR101394620B1 - 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법 - Google Patents
고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법 Download PDFInfo
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Abstract
Description
Claims (12)
- 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법에 있어서,(1) 폴리올레핀계 수지를 포함하는 조성물을 이용하여 폴리올레핀계 미세다공막을 제조하는 단계;(2) 상기 제조된 폴리올레핀계 미세다공막의 한면 또는 양면에 폴리카보네이트(polycarbonate), 폴리아릴레이트(polyarylate) 및 이들의 혼합물로 이루어진 군에서 선택되는 고내열성 수지가 용해된 용액을 도포하는 단계;(3) 상기 용액이 도포된 폴리올레핀계 미세다공막에 다공성 피복층을 형성시키기 위해 피복층 조성물을 비용매와 접촉하여 상분리 시키는 단계; 및(4) 상기 상분리된 피복층 조성물의 건조 단계;를 포함하는 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 삭제
- 제 1항에 있어서,상기 (1)단계에서, 상기 폴리올레핀 미세다공막은 폴리에틸렌, 폴리프로필렌, 폴리부틸렌, 이들의 공중합체 및 이들의 혼합물로 이루어진 막에서 선택되는 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 제 1항에 있어서,상기 (2)단계에서, 상기 고내열성 수지가 용해된 용액에 직경이 0.01 내지 2㎛인 유기 또는 무기입자를 더 포함하는 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조 방법.
- 제4항에 있어서,상기 유기입자는 폴리비닐리덴플로라이드(PVdF), 폴리테트라플루오르에틸렌(PTFE), 폴리우레탄(polyurethane), 폴리메틸펜텐(PMP), 폴리에틸렌테레프탈레이트(PET), 폴리카보네이트(PC), 폴리에스테르(polyester), 폴리비닐알콜(PVA), 폴리아크릴로니트릴(PAN), 폴리메틸렌옥사이드(PMO), 폴리메틸메타크릴레이트(PMMA), 폴리에틸렌옥사이드(PEO), 셀룰로오스(cellulose) 및 이들의 혼합물로 이루어진 군에서 선택된 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 제4항에 있어서,상기 무기입자는 Si, Al, Ca, Ti, B, Sn, Mg, Li, Co, Ni, Sr, Ce, Zr, Y, Pb, Zn, Ba 및 이들의 혼합물에서 선택된 금속 또는 반도체 원소의 단독, 또는 혼합의 산화, 수산화, 황화, 질화, 탄화물 및 이들의 혼합물로 이루어진 군에서 선택된 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 제4항에 있어서,상기 유기 또는 무기입자는 상기 용액 내에 1 내지 50wt%로 포함되는 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 제 1항에 있어서,상기 (1)단계에서 제조된 폴리올레핀계 미세다공막은 표면에 전리방사선, 플라즈마 처리를 한 것인 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법.
- 제1항 및 제 3항 내지 제8항 중 어느 한 항의 방법으로 제조된 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막.
- 제9항에 있어서,상기 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막은 고내열성 피복층의 두께가 폴리올레핀계 미세다공막 두께의 0.1 내지 1.0배이고, 피복층과 폴리올레핀계 미세다공막의 접착력이 0.1 내지 1.0kgf/cm 이며, 피복층을 포함한 전체 복합막의 투과도가 1.5×10-5 내지 20.0×10-5 Darcy, 용융파단온도가 160 내지 300℃이며, 횡방향 및 종방향의 수축률이 150℃, 60분간 각 1 내지 40%인 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막.
- 제10항의 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막이 포함된 리튬 이차전지용 세퍼레이터.
- 제11항의 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막이 포함된 리튬 이차전지용 세퍼레이터를 포함하는 리튬 이차전지.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011503908A JP5635970B2 (ja) | 2008-04-08 | 2009-04-08 | 高耐熱性被覆層を有するポリオレフィン系複合微多孔膜の製造方法 |
| PCT/KR2009/001827 WO2009125985A2 (en) | 2008-04-08 | 2009-04-08 | Method of manufacturing the microporous polyolefin composite film with a thermally stable layer at high temperature |
| KR1020090030337A KR101394620B1 (ko) | 2008-04-08 | 2009-04-08 | 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법 |
| US12/936,436 US20110033743A1 (en) | 2008-04-08 | 2009-04-08 | Method of manufacturing the microporous polyolefin composite film with a thermally stable layer at high temperature |
| EP09730415.8A EP2260523B1 (en) | 2008-04-08 | 2009-04-08 | Method of manufacturing the microporous polyolefin composite film with a thermally stable layer at high temperature |
| CN2009801163978A CN102017233A (zh) | 2008-04-08 | 2009-04-08 | 具有高温热稳定层的多孔聚烯烃复合膜的制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080032887 | 2008-04-08 | ||
| KR20080032887 | 2008-04-08 | ||
| KR1020090030337A KR101394620B1 (ko) | 2008-04-08 | 2009-04-08 | 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20090107441A KR20090107441A (ko) | 2009-10-13 |
| KR101394620B1 true KR101394620B1 (ko) | 2014-05-20 |
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| KR1020090030337A Active KR101394620B1 (ko) | 2008-04-08 | 2009-04-08 | 고내열성 피복층을 갖는 폴리올레핀계 복합 미세다공막의 제조방법 |
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| Country | Link |
|---|---|
| US (1) | US20110033743A1 (ko) |
| EP (1) | EP2260523B1 (ko) |
| JP (1) | JP5635970B2 (ko) |
| KR (1) | KR101394620B1 (ko) |
| CN (1) | CN102017233A (ko) |
| WO (1) | WO2009125985A2 (ko) |
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| KR100985782B1 (ko) * | 2009-12-28 | 2010-10-06 | 한국과학기술원 | 습기 및 산소 배리어 기판 및 음식 포장재를 위한 플렉시블 박막 제조 방법 |
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| KR102212341B1 (ko) * | 2020-11-19 | 2021-02-04 | 주식회사 백승 | 실험용 가열기구 어셈블리 |
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Also Published As
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|---|---|
| US20110033743A1 (en) | 2011-02-10 |
| EP2260523A2 (en) | 2010-12-15 |
| KR20090107441A (ko) | 2009-10-13 |
| EP2260523B1 (en) | 2014-02-26 |
| JP2011516684A (ja) | 2011-05-26 |
| JP5635970B2 (ja) | 2014-12-03 |
| WO2009125985A3 (en) | 2010-01-14 |
| CN102017233A (zh) | 2011-04-13 |
| WO2009125985A2 (en) | 2009-10-15 |
| EP2260523A4 (en) | 2011-11-02 |
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