KR20100135369A - 고내열성 유/무기 피복층을 갖는 폴리에틸렌계 복합 미세다공막 - Google Patents
고내열성 유/무기 피복층을 갖는 폴리에틸렌계 복합 미세다공막 Download PDFInfo
- Publication number
- KR20100135369A KR20100135369A KR1020090053696A KR20090053696A KR20100135369A KR 20100135369 A KR20100135369 A KR 20100135369A KR 1020090053696 A KR1020090053696 A KR 1020090053696A KR 20090053696 A KR20090053696 A KR 20090053696A KR 20100135369 A KR20100135369 A KR 20100135369A
- Authority
- KR
- South Korea
- Prior art keywords
- polyethylene
- coating layer
- microporous membrane
- based composite
- composite microporous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1046—Mixtures of at least one polymer and at least one additive
- H01M8/1051—Non-ion-conducting additives, e.g. stabilisers, SiO2 or ZrO2
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/365—Coating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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Abstract
Description
Claims (9)
- 폴리에틸렌계 미세다공막 표면의 적어도 한 면 이상에, 용융온도 또는 유리전이 온도가 170℃ 내지 500℃인 내열성 수지 및 무기물 입자를 동시에 포함하여 형성된 복합 미세다공막으로서,(1) 피복층을 포함한 전체 복합막의 투과도(Gurley)가 300sec이하이며,(2) 150℃ 1시간 수축률이 종/횡방향 모두 0 ~ 3%이며,(3) TMA 최대 수축률이 3%이하이며 Meltdown 온도가 145℃ ~ 200℃인 것.을 포함하는 것을 특징으로 하는 폴리에틸렌계 복합 미세다공막.
- 제 1항에 있어서, 피복층을 형성하는 내열성 수지는 폴리페닐설폰(polyphenylsulfone), 폴리아릴아마이드(polyarylamide), 폴리아릴레이트(polyarylate)인 것을 특징으로 하는 폴리에틸렌계 복합 미세다공막.
- 제 1항에 있어서, 상기 무기물 입자는 직경이 0.1 내지 2um인 CaCO3, Al2O3, SiO2, BaTiO3, TiO2중 적어도 1종 이상을 포함하는 것을 특징으로 하는 폴리에틸렌계 복합 미세다공막.
- 제 1항에 있어서, 내열성 수지와 무기물의 부피비가 30/70 ~ 10/90인 피복층을 갖는 폴리에틸렌계 복합 미세다공막.
- 제 1항에 있어서, 피복층의 총 두께는 폴리에틸렌계 미세다공막 두께의 10 ~ 60%이며, 피복층 자체의 공극률이 15 ~ 60%인 것을 특징으로 하는 폴리에틸렌계 복합 미세다공막.
- 고내열성 다공성 피복층 제조방법에 있어서,(1) 폴리페닐설폰(polyphenylsulfone), 폴리아릴아마이드(polyarylamide), 폴리아릴레이트(polyarylate)에서 선택되는 하나 이상의 내열성 수지를 용매에 혼합 및 용해하는 단계;(2) 혼합용액에 직경이 0.1 내지 2um인 CaCO3, Al2O3, SiO2, BaTiO3, TiO2중 적어도 1종 이상의 무기물 입자를 분산하여 혼합 용액을 제조하는 단계;(3) 상기 제조된 내열성 수지와 무기물의 부피비가 30/70 ~ 10/90로 포함하는 혼합 용액을 폴리에틸렌계 미세다공막 표면의 한면 또는 양면에 도포하는 단계;(4) 상기 형성된 피복층 내에 잔존하는 용매를 건조에 의해 제거하는 단계;를 포함하는 피복층의 총 두께는 폴리에틸렌계 미세다공막 두께의 10 ~ 60%이며, 피복층 자체의 공극률이 15 ~ 60%인 것을 특징으로 하는 고내열성 다공성 피복층의 제조방법.
- 제 7항에 있어서, 피복층을 형성하기 위한 혼합용액의 제조는 용매 100중량부에, 내열성 수지 및 무기물 입자를 포함하는 고형분 함량이 8 ~ 35중량부 비율인 것을 특징으로 하는 폴리에틸렌계 복합 미세다공막.
- 제1항의 폴리에틸렌계 복합 미세다공막이 포함된 전지용 세퍼레이터.
- 제1항의 세퍼레이터가 포함된 리튬이온전지 및 연료전지 등의 전지용 기재(Battery devices)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090053696A KR20100135369A (ko) | 2009-06-17 | 2009-06-17 | 고내열성 유/무기 피복층을 갖는 폴리에틸렌계 복합 미세다공막 |
| US13/320,863 US20120077113A1 (en) | 2009-06-17 | 2010-06-17 | Microporous polyethylene film with thermally stable hybrid-composite layers |
| PCT/KR2010/003913 WO2010147407A2 (en) | 2009-06-17 | 2010-06-17 | Microporous polyethylene film with thermally stable hybrid-composite layers |
| TW99119646A TW201100254A (en) | 2009-06-17 | 2010-06-17 | Microporous polyethylene film with thermally stable hybrid-composite layers |
| CN201080024890.XA CN102459439B (zh) | 2009-06-17 | 2010-06-17 | 具有高耐热性有机/无机涂层的聚乙烯类复合微多孔膜 |
| EP10789734.0A EP2443186B1 (en) | 2009-06-17 | 2010-06-17 | Microporous polyethylene film with thermally stable hybrid-composite layers |
| JP2012514894A JP5431581B2 (ja) | 2009-06-17 | 2010-06-17 | 高耐熱性有機/無機被覆層を有するポリエチレン系複合微多孔膜 |
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| KR1020090053696A KR20100135369A (ko) | 2009-06-17 | 2009-06-17 | 고내열성 유/무기 피복층을 갖는 폴리에틸렌계 복합 미세다공막 |
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| EP (1) | EP2443186B1 (ko) |
| JP (1) | JP5431581B2 (ko) |
| KR (1) | KR20100135369A (ko) |
| CN (1) | CN102459439B (ko) |
| TW (1) | TW201100254A (ko) |
| WO (1) | WO2010147407A2 (ko) |
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| WO2013066012A1 (en) * | 2011-11-03 | 2013-05-10 | Sk Innovation Co.,Ltd. | Micro-porous polyolefin composite film having excellent heat resistance and stability and method for producing the same |
| WO2015152478A1 (ko) * | 2013-04-05 | 2015-10-08 | 주식회사 엘지화학 | 수명 성능이 향상된 이차전지 |
| KR20160015006A (ko) * | 2014-07-30 | 2016-02-12 | 에스케이이노베이션 주식회사 | 폴리올레핀계 다층 복합 다공막의 제조방법 |
| KR20170064702A (ko) * | 2015-12-02 | 2017-06-12 | 에스케이이노베이션 주식회사 | 내열성 및 셧다운 특성이 우수한 이차전지용 분리막 |
| US9887407B2 (en) | 2014-04-04 | 2018-02-06 | Lg Chem, Ltd. | Secondary battery with improved life characteristics |
| CN114270616A (zh) * | 2019-08-22 | 2022-04-01 | G材料有限责任公司 | 用于锂二次电池的复合隔膜及其制造方法 |
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| JP3992254B2 (ja) * | 1998-09-04 | 2007-10-17 | 日東電工株式会社 | 多孔質フィルム |
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| KR100699215B1 (ko) * | 2004-03-19 | 2007-03-27 | 가부시키가이샤 도모에가와 세이시쇼 | 전자부품용 세퍼레이터 및 그 제조 방법 |
| KR100939585B1 (ko) * | 2004-12-07 | 2010-02-01 | 파나소닉 주식회사 | 세퍼레이터 및 이것을 이용한 비수전해액 2차전지 |
| RU2434754C2 (ru) * | 2005-08-25 | 2011-11-27 | Торей Тонен Спешиалти Сепарейтор Годо Кайса | Многослойная, микропористая полиэтиленовая мембрана, разделитель аккумулятора, изготовленный из нее, и аккумулятор |
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| JP4931083B2 (ja) * | 2007-01-30 | 2012-05-16 | 旭化成イーマテリアルズ株式会社 | 多層多孔膜及びその製造方法 |
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| JP5144651B2 (ja) * | 2007-10-03 | 2013-02-13 | 日立マクセル株式会社 | 電池用セパレータおよび非水電解液電池 |
| WO2009125984A2 (en) * | 2008-04-08 | 2009-10-15 | Sk Energy Co., Ltd. | Microporous polyolefin composite film with a thermally stable porous layer at high temperature |
| JP5635970B2 (ja) * | 2008-04-08 | 2014-12-03 | エスケー イノベーション カンパニー リミテッドSk Innovation Co.,Ltd. | 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 |
| KR101439478B1 (ko) * | 2008-05-16 | 2014-09-11 | 에스케이이노베이션 주식회사 | 2차 전지용 미세다공막 |
-
2009
- 2009-06-17 KR KR1020090053696A patent/KR20100135369A/ko not_active Ceased
-
2010
- 2010-06-17 WO PCT/KR2010/003913 patent/WO2010147407A2/en not_active Ceased
- 2010-06-17 CN CN201080024890.XA patent/CN102459439B/zh active Active
- 2010-06-17 EP EP10789734.0A patent/EP2443186B1/en active Active
- 2010-06-17 US US13/320,863 patent/US20120077113A1/en not_active Abandoned
- 2010-06-17 TW TW99119646A patent/TW201100254A/zh unknown
- 2010-06-17 JP JP2012514894A patent/JP5431581B2/ja active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013066012A1 (en) * | 2011-11-03 | 2013-05-10 | Sk Innovation Co.,Ltd. | Micro-porous polyolefin composite film having excellent heat resistance and stability and method for producing the same |
| US9562164B2 (en) | 2011-11-03 | 2017-02-07 | Sk Innovation Co., Ltd. | Micro-porous polyolefin composite film having excellent heat resistance and stability and method for producing the same |
| WO2015152478A1 (ko) * | 2013-04-05 | 2015-10-08 | 주식회사 엘지화학 | 수명 성능이 향상된 이차전지 |
| US9887407B2 (en) | 2014-04-04 | 2018-02-06 | Lg Chem, Ltd. | Secondary battery with improved life characteristics |
| US10673045B2 (en) | 2014-04-04 | 2020-06-02 | Lg Chem, Ltd. | Secondary battery with improved life characteristics |
| KR20160015006A (ko) * | 2014-07-30 | 2016-02-12 | 에스케이이노베이션 주식회사 | 폴리올레핀계 다층 복합 다공막의 제조방법 |
| KR20170064702A (ko) * | 2015-12-02 | 2017-06-12 | 에스케이이노베이션 주식회사 | 내열성 및 셧다운 특성이 우수한 이차전지용 분리막 |
| CN114270616A (zh) * | 2019-08-22 | 2022-04-01 | G材料有限责任公司 | 用于锂二次电池的复合隔膜及其制造方法 |
| US12394863B2 (en) | 2019-08-22 | 2025-08-19 | G-Materials Co., Ltd. | Composite separator for lithium secondary battery and manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102459439A (zh) | 2012-05-16 |
| US20120077113A1 (en) | 2012-03-29 |
| WO2010147407A2 (en) | 2010-12-23 |
| TW201100254A (en) | 2011-01-01 |
| CN102459439B (zh) | 2014-12-03 |
| EP2443186A4 (en) | 2012-11-14 |
| EP2443186B1 (en) | 2016-02-17 |
| WO2010147407A3 (en) | 2011-03-31 |
| JP2012529742A (ja) | 2012-11-22 |
| EP2443186A2 (en) | 2012-04-25 |
| JP5431581B2 (ja) | 2014-03-05 |
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