KR101382425B1 - 미세다공성 폴리올레핀 필름 및 이의 제조 방법 - Google Patents
미세다공성 폴리올레핀 필름 및 이의 제조 방법 Download PDFInfo
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C08J2323/04—Homopolymers or copolymers of ethene
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/32—Properties characterising the ingredient of the composition containing low molecular weight liquid component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
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Abstract
Description
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공기 투과성 (s/100cc) |
천공 강도(g)/ 실온 |
천공 강도(g)/ 90℃ |
필름 파괴 온도 (℃) |
수축 비율/120℃ | |
| MD% | TD% | |||||
| A1 | 358 | 620 | 529 | 154 | 15.2 | 14.4 |
| A2 | 380 | 602 | 485 | 152 | 15.6 | 14.0 |
| A3 | 335 | 556 | 428 | 151 | 16.0 | 14.8 |
| A4 | 348 | 650 | 533 | 156 | 15.9 | 15.0 |
| A5 | 350 | 622 | 503 | 154 | 15.0 | 14.4 |
| A6 | 520 | 522 | 460 | 156 | 13.8 | 13.4 |
| RC1 | 323 | 480 | 338 | 146 | 16.4 | 15.5 |
Claims (19)
- 미세다공성 필름의 제조 방법으로서,
(a) 용매와 초-고-분자량 폴리올레핀을 용융하고 혼합하여 제 1 혼합물을 제조하는 단계;
(b) 상기 제 1 혼합물과 5 x 105 미만의 중량 평균 분자량을 가진 폴리올레핀 수지를 용융하고 혼합하여 제 2 혼합물을 제조하는 단계;
(c) 상기 제 2 혼합물을 필름으로 형성하는 단계;
(d) 상기 필름으로부터 상기 용매를 제거하여 미세다공성 필름을 형성하는 단계; 및
(e) 상기 미세다공성 필름을 어닐링하는 단계를 포함하고,
상기 초-고-분자량 폴리올레핀의 중량 평균 분자량은 1 x 106 내지 6 x 106이고, 상기 초-고-분자량 폴리올레핀은, 에틸렌, 프로필렌, 1-부텐, 4-메틸-1-펜텐 및 1-헥센의 모노머 그룹의 단일 폴리머 또는 코폴리머의 하나 이상으로 이루어지고,
상기 폴리올레핀 수지의 중량 평균 분자량은 5 x 105 미만이고, 상기 폴리올레핀 수지는 에틸렌, 프로필렌, 1-부텐, 4-메틸-1-펜텐 및 1-헥센의 모노머 그룹의 단일 폴리머 또는 코폴리머의 하나 이상으로부터 선택되는 고밀도 폴리올레핀 수지로 이루어지고, 상기 고밀도 폴리올레핀 수지는 0.94~0.96 kg/cm3 범위인 것인 미세다공성 필름의 제조 방법. - 제 1 항에 있어서,
상기 미세다공성 필름은 150℃ 내지 156℃의 필름 파괴 온도를 가지며, 상기 미세다공성 필름은 90℃에서 428g 내지 533g의 천공 강도를 가지는 것인 미세다공성 필름의 제조 방법. - 제 1 항에 있어서,
상기 초-고-분자량 폴리올레핀과 상기 폴리올레핀 수지는 2:3 내지 4:1의 중량비를 가지는 것인 미세다공성 필름의 제조 방법. - 제 1 항에 있어서,
상기 초-고-분자량 폴리올레핀의 상기 중량 평균 분자량은 2 x 106 내지 4 x 106이고, 상기 폴리올레핀 수지의 상기 중량 평균 분자량은 5 x 104 내지 3 x 105인 것인 미세다공성 필름의 제조 방법. - 제 1 항에 있어서,
상기 폴리올레핀 수지는 밀도가 0.91 내지 0.93 kg/cm3인 저밀도 폴리올레핀 수지를 더 포함하는 것인 미세다공성 필름의 제조 방법. - 제 5 항에 있어서,
상기 저밀도 폴리올레핀 수지는 에틸렌, 프로필렌, 1-부텐, 4-메틸-1-펜텐 및 1-헥센의 모노머 그룹의 단일 폴리머 또는 코폴리머의 하나 이상을 포함하는 것인 미세다공성 필름의 제조 방법. - 제 1 항에 있어서,
상기 형성 단계는 압출, 주조 및 드로잉에 의해 완성되는 것인 미세다공성 필름 제조 방법. - 제 1 항에 있어서,
상기 용매는 액체 파라핀이고, 40℃에서 상기 액체 파라핀의 운동역학적 점도는 30cst 내지 150cst인 것인 미세다공성 필름 제조 방법. - 제 7 항에 있어서,
상기 드로잉은 세로 방향을 따르는 제 1 드로잉과 가로 방향을 따르는 제 2 드로잉을 포함하는 것인 미세다공성 필름 제조 방법. - 제 1 항에 있어서,
상기 제 1 혼합물의 용융 및 혼합 온도는 230℃ 내지 240℃인 것인 미세다공성 필름 제조 방법. - 제 1 항에 있어서,
상기 초-고-분자량 폴리올레핀과 상기 용매는 1:1.9 내지 1:6.7의 중량비를 가지는 것인 미세다공성 필름 제조 방법. - 삭제
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102416355A CN101747549B (zh) | 2008-12-18 | 2008-12-18 | 一种聚烯烃微多孔膜及其制备方法 |
| CN200810241635.5 | 2008-12-18 | ||
| PCT/CN2009/075011 WO2010069216A1 (en) | 2008-12-18 | 2009-11-18 | Microporous polyolefin film and method of producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20110096065A KR20110096065A (ko) | 2011-08-26 |
| KR101382425B1 true KR101382425B1 (ko) | 2014-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020117015999A Active KR101382425B1 (ko) | 2008-12-18 | 2009-11-18 | 미세다공성 폴리올레핀 필름 및 이의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20100159230A1 (ko) |
| EP (1) | EP2367880B1 (ko) |
| JP (1) | JP2012512283A (ko) |
| KR (1) | KR101382425B1 (ko) |
| CN (1) | CN101747549B (ko) |
| WO (1) | WO2010069216A1 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757577B (zh) * | 2011-04-27 | 2015-03-04 | 比亚迪股份有限公司 | 一种制备电池隔膜的方法 |
| CN102774009A (zh) * | 2012-08-07 | 2012-11-14 | 重庆纽米新材料科技有限责任公司 | 聚烯烃微孔膜的制备方法 |
| EP2891677B1 (en) * | 2012-08-29 | 2018-04-18 | National University Corporation Gunma University | Method for manufacturing polyethylene porous film and polyethylene porous film |
| WO2016132810A1 (ja) * | 2015-02-20 | 2016-08-25 | 東レバッテリーセパレータフィルム株式会社 | 微多孔プラスチックフィルムの製造方法 |
| CN105140448A (zh) * | 2015-08-12 | 2015-12-09 | 埃力生亚太有限公司 | 锂离子电池隔膜及其制备方法 |
| WO2020112547A1 (en) | 2018-11-29 | 2020-06-04 | Exxonmobil Chemical Patents Inc. | Poly(alpha-olefin)s and methods thereof |
| JP2022517293A (ja) * | 2020-02-18 | 2022-03-08 | ジィァンスー ホライズン ニュー エナジー テック カンパニー リミテッド | ポリオレフィン多孔質膜の製造方法 |
| US12473385B2 (en) | 2020-03-23 | 2025-11-18 | Asahi Kasei Kabushiki Kaisha | Ultrahigh-molecular-weight polyethylene powder and molded article prepared by molding the same |
| CN111697189B (zh) * | 2020-06-28 | 2022-06-28 | 佛山市金辉高科光电材料股份有限公司 | 聚烯烃微孔基膜及其制备方法、隔膜和电池 |
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| JP5196752B2 (ja) * | 2005-09-16 | 2013-05-15 | 東レバッテリーセパレータフィルム株式会社 | ポリエチレン微多孔膜及びその製造方法、並びに電池用セパレータ |
| US10615388B2 (en) * | 2006-03-22 | 2020-04-07 | Celgard, Llc | Membrane made of a blend of UHMW polyolefins |
| JP5202816B2 (ja) * | 2006-04-07 | 2013-06-05 | 東レバッテリーセパレータフィルム株式会社 | ポリオレフィン微多孔膜及びその製造方法 |
| US7872086B2 (en) * | 2008-01-17 | 2011-01-18 | Tonen Chemical Corporation | Polymeric material and its manufacture and use |
| US8715849B2 (en) * | 2007-10-05 | 2014-05-06 | Toray Battery Separator Film Co., Ltd. | Microporous polymer membrane |
-
2008
- 2008-12-18 CN CN2008102416355A patent/CN101747549B/zh active Active
-
2009
- 2009-10-22 US US12/603,950 patent/US20100159230A1/en not_active Abandoned
- 2009-11-18 JP JP2011541066A patent/JP2012512283A/ja active Pending
- 2009-11-18 EP EP20090832898 patent/EP2367880B1/en active Active
- 2009-11-18 KR KR1020117015999A patent/KR101382425B1/ko active Active
- 2009-11-18 WO PCT/CN2009/075011 patent/WO2010069216A1/en not_active Ceased
-
2012
- 2012-03-12 US US13/417,730 patent/US20120168976A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010079904A (ko) * | 1998-10-01 | 2001-08-22 | 요코쿠라 타다시 | 폴리올레핀 미세다공성막 및 그것의 제조방법 |
| KR20050039745A (ko) * | 2002-08-28 | 2005-04-29 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리올레핀제 미다공막 및 그의 평가 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010069216A1 (en) | 2010-06-24 |
| EP2367880B1 (en) | 2013-08-07 |
| KR20110096065A (ko) | 2011-08-26 |
| US20100159230A1 (en) | 2010-06-24 |
| EP2367880A1 (en) | 2011-09-28 |
| US20120168976A1 (en) | 2012-07-05 |
| CN101747549A (zh) | 2010-06-23 |
| CN101747549B (zh) | 2013-06-19 |
| EP2367880A4 (en) | 2012-05-30 |
| JP2012512283A (ja) | 2012-05-31 |
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