JP2009070823A5 - - Google Patents
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- Publication number
- JP2009070823A5 JP2009070823A5 JP2008234436A JP2008234436A JP2009070823A5 JP 2009070823 A5 JP2009070823 A5 JP 2009070823A5 JP 2008234436 A JP2008234436 A JP 2008234436A JP 2008234436 A JP2008234436 A JP 2008234436A JP 2009070823 A5 JP2009070823 A5 JP 2009070823A5
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- polyethylene
- film
- weight
- air permeability
- 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.)
- Granted
Links
- -1 polyethylene Polymers 0.000 claims description 67
- 239000004698 Polyethylene Substances 0.000 claims description 63
- 230000035699 permeability Effects 0.000 claims description 63
- 229920000573 polyethylene Polymers 0.000 claims description 63
- 239000003085 diluting agent Substances 0.000 claims description 50
- 238000005191 phase separation Methods 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 29
- 238000009998 heat setting Methods 0.000 claims description 27
- 239000012982 microporous membrane Substances 0.000 claims description 26
- 239000007791 liquid phase Substances 0.000 claims description 25
- 239000012071 phase Substances 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 21
- 230000008018 melting Effects 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 8
- 238000004898 kneading Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011342 resin composition Substances 0.000 claims description 3
- 230000009172 bursting Effects 0.000 claims 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 16
- 230000007423 decrease Effects 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 230000000704 physical effect Effects 0.000 description 14
- 238000000605 extraction Methods 0.000 description 10
- 229920001903 high density polyethylene Polymers 0.000 description 10
- 239000004700 high-density polyethylene Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 239000005662 Paraffin oil Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 210000001787 dendrite Anatomy 0.000 description 6
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 150000005690 diesters Chemical class 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 150000005691 triesters Chemical class 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 235000021314 Palmitic acid Nutrition 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000008117 stearic acid Substances 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KCXZNSGUUQJJTR-UHFFFAOYSA-N Di-n-hexyl phthalate Chemical compound CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCC KCXZNSGUUQJJTR-UHFFFAOYSA-N 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 241001648319 Toronia toru Species 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- ALSTYHKOOCGGFT-UHFFFAOYSA-N cis-oleyl alcohol Natural products CCCCCCCCC=CCCCCCCCCO ALSTYHKOOCGGFT-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 125000005313 fatty acid group Chemical group 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- HBOQXIRUPVQLKX-UHFFFAOYSA-N linoleic acid triglyceride Natural products CCCCCC=CCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCC=CCCCCC)COC(=O)CCCCCCCC=CCC=CCCCCC HBOQXIRUPVQLKX-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 239000012184 mineral wax Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070092495A KR101288803B1 (ko) | 2007-09-12 | 2007-09-12 | 고온 강도 및 투과도가 우수한 폴리에틸렌 미세다공막 |
| KR10-2007-0092495 | 2007-09-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009070823A JP2009070823A (ja) | 2009-04-02 |
| JP2009070823A5 true JP2009070823A5 (https=) | 2011-11-24 |
| JP5221258B2 JP5221258B2 (ja) | 2013-06-26 |
Family
ID=40220187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008234436A Active JP5221258B2 (ja) | 2007-09-12 | 2008-09-12 | 高温強度及び透気度に優れているポリエチレン微多孔膜 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US8486521B2 (https=) |
| EP (2) | EP2036699B1 (https=) |
| JP (1) | JP5221258B2 (https=) |
| KR (1) | KR101288803B1 (https=) |
| CN (1) | CN101386686B (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101640777B1 (ko) * | 2008-11-17 | 2016-07-19 | 도레이 배터리 세퍼레이터 필름 주식회사 | 미세다공성 막, 이러한 막의 제조방법 및 사용방법 |
| CN101735474B (zh) * | 2009-12-23 | 2011-09-07 | 中国石油天然气股份有限公司 | 一种亲水性聚乙烯微孔膜及其制备方法 |
| KR101336593B1 (ko) * | 2010-04-20 | 2013-12-05 | 에스케이이노베이션 주식회사 | 생산성이 우수하며 물성조절이 용이한 폴리올레핀계 미세다공막 제조방법 |
| CN103493252B (zh) * | 2011-04-04 | 2016-08-10 | 阿普柔斯公司 | 改进的电池隔片及其形成方法 |
| KR101383606B1 (ko) * | 2011-07-04 | 2014-04-10 | 주식회사 엘지화학 | 전기화학소자의 세퍼레이터 제조용 조성물, 전기화학소자의 세퍼레이터 제조방법, 및 이를 이용한 전기화학소자 |
| WO2013005987A2 (ko) * | 2011-07-04 | 2013-01-10 | 주식회사 엘지화학 | 전기화학소자의 세퍼레이터 제조용 조성물, 전기화학소자의 세퍼레이터 제조방법, 및 이를 이용한 전기화학소자 |
| US10206122B2 (en) * | 2014-02-25 | 2019-02-12 | Mediatek Inc. | Direction finding positioning in wireless local area networks |
| US11021584B2 (en) | 2014-08-21 | 2021-06-01 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
| JP6202062B2 (ja) * | 2014-09-30 | 2017-09-27 | 住友化学株式会社 | 偏光フィルムの強度測定方法及び偏光板 |
| US10829600B2 (en) | 2014-11-05 | 2020-11-10 | William Winchin Yen | Microporous sheet product and methods for making and using the same |
| JP2017535642A (ja) | 2014-11-05 | 2017-11-30 | イエン，ウイリアム・ウインチン | 微孔性シート製品、ならびに、その製造方法及び使用方法 |
| US10707465B2 (en) * | 2015-10-30 | 2020-07-07 | Sumitomo Chemical Company, Limited | Film manufacturing method, film manufacturing apparatus, and film |
| CN105445313A (zh) * | 2015-11-30 | 2016-03-30 | 深圳市星源材质科技股份有限公司 | 一种电池隔膜的热稳定性检测方法 |
| US12110382B2 (en) * | 2019-03-04 | 2024-10-08 | Asahi Kasei Kabushiki Kaisha | Polyolefin microporous membrane |
| KR20240165057A (ko) * | 2023-05-15 | 2024-11-22 | 에스케이이노베이션 주식회사 | 폴리에틸렌 미세다공막, 이의 제조방법 및 상기 미세다공막을 포함하는 분리막 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57117951A (en) * | 1981-01-16 | 1982-07-22 | Mitsubishi Rayon Co | Porous polyethylene film and its manufacture |
| US5641565A (en) * | 1991-07-05 | 1997-06-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Separator for a battery using an organic electrolytic solution and method for preparing the same |
| US5759678A (en) * | 1995-10-05 | 1998-06-02 | Mitsubishi Chemical Corporation | High-strength porous film and process for producing the same |
| JP3054088B2 (ja) | 1996-11-15 | 2000-06-19 | 株式会社内田洋行 | パネル付センターコア |
| JPH1121362A (ja) * | 1997-07-07 | 1999-01-26 | Mitsubishi Chem Corp | ポリエチレン樹脂製多孔性フィルム |
| WO1999048959A1 (fr) | 1998-03-24 | 1999-09-30 | Asahi Kasei Kogyo Kabushiki Kaisha | Film polyolefinique microporeux |
| JP4098401B2 (ja) | 1998-05-19 | 2008-06-11 | 旭化成ケミカルズ株式会社 | ポリオレフィン製の電池セパレーター用微多孔膜 |
| US6666969B1 (en) * | 1998-10-01 | 2003-12-23 | Tonen Chemical Corporation | Microporous polyolefin film and process for producing the same |
| JP2001144910A (ja) | 1999-11-12 | 2001-05-25 | Ricoh Co Ltd | 画像処理装置および画像形成装置 |
| WO2002092677A1 (fr) * | 2001-05-17 | 2002-11-21 | Asahi Kasei Kabushiki Kaisha | Film polyolefinique microporeux |
| JP2003119306A (ja) | 2001-10-11 | 2003-04-23 | Nitto Denko Corp | 低収縮性微多孔膜およびその製法 |
| TW200417563A (en) | 2002-09-12 | 2004-09-16 | Teijin Ltd | Porous membrane of poly(metaphenylene isophthalamide) and process for producing the same |
| US6949315B1 (en) * | 2004-05-12 | 2005-09-27 | Garrin Samii | Shutdown separators with improved properties |
| US7332531B2 (en) * | 2004-06-11 | 2008-02-19 | Sk Corporation | Microporous high density polyethylene film |
| US7435761B2 (en) * | 2004-07-06 | 2008-10-14 | Sk Energy Co., Ltd. | Microporous polyethylene film and method of producing the same |
| US20060008636A1 (en) * | 2004-07-06 | 2006-01-12 | Lee Young K | Microporous polyethylene film and method of producing the same |
| US20060148915A1 (en) * | 2004-12-30 | 2006-07-06 | Floyd Robert M | Microporous materials and methods of making |
| KR100943697B1 (ko) * | 2005-04-06 | 2010-02-23 | 에스케이에너지 주식회사 | 물성, 생산성 및 품질 균일도가 우수한 폴리에틸렌 미세다공막 및 그 제조방법 |
| KR100943234B1 (ko) * | 2005-05-16 | 2010-02-18 | 에스케이에너지 주식회사 | 액-액 상분리에 의하여 제조된 폴리에틸렌 미세다공막 및그 제조방법 |
| US20070092705A1 (en) * | 2005-06-18 | 2007-04-26 | Young-Keun Lee | Microporous polyethylene film through liquid-liquid phase separation mechanism and preparing method thereof |
| CA2611274A1 (en) | 2005-06-24 | 2006-12-28 | Tonen Chemical Corporation | Method for producing polyolefin microporous polyolefin membrane |
| 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 |
| KR101432146B1 (ko) * | 2007-11-28 | 2014-08-28 | 에스케이이노베이션 주식회사 | 물성과 고온 열안정성이 우수한 폴리올레핀 미세다공막 |
-
2007
- 2007-09-12 KR KR1020070092495A patent/KR101288803B1/ko active Active
-
2008
- 2008-09-11 US US12/232,112 patent/US8486521B2/en active Active
- 2008-09-12 JP JP2008234436A patent/JP5221258B2/ja active Active
- 2008-09-12 CN CN2008102119679A patent/CN101386686B/zh active Active
- 2008-09-12 EP EP08016152.4A patent/EP2036699B1/en active Active
- 2008-09-12 EP EP20140170095 patent/EP2777913A1/en not_active Withdrawn
-
2012
- 2012-02-23 US US13/403,324 patent/US8354185B2/en active Active
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