JP3989081B2 - ポリエチレン微多孔膜 - Google Patents
ポリエチレン微多孔膜 Download PDFInfo
- Publication number
- JP3989081B2 JP3989081B2 JP09068598A JP9068598A JP3989081B2 JP 3989081 B2 JP3989081 B2 JP 3989081B2 JP 09068598 A JP09068598 A JP 09068598A JP 9068598 A JP9068598 A JP 9068598A JP 3989081 B2 JP3989081 B2 JP 3989081B2
- Authority
- JP
- Japan
- Prior art keywords
- polyethylene
- microporous membrane
- temperature
- weight
- ethylene
- 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.)
- Expired - Lifetime
Links
- -1 polyethylene Polymers 0.000 claims description 60
- 239000004698 Polyethylene Substances 0.000 claims description 58
- 229920000573 polyethylene Polymers 0.000 claims description 58
- 239000012982 microporous membrane Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 26
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 20
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000004711 α-olefin Substances 0.000 description 20
- 239000002904 solvent Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 16
- 230000035699 permeability Effects 0.000 description 11
- 229920000098 polyolefin Polymers 0.000 description 10
- 238000001816 cooling Methods 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229920001903 high density polyethylene Polymers 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 229940057995 liquid paraffin Drugs 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- XKGKLYUXFRFGKU-UHFFFAOYSA-N CC.F.F.F Chemical compound CC.F.F.F XKGKLYUXFRFGKU-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Molding Of Porous Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Cell Separators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09068598A JP3989081B2 (ja) | 1998-03-20 | 1998-03-20 | ポリエチレン微多孔膜 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09068598A JP3989081B2 (ja) | 1998-03-20 | 1998-03-20 | ポリエチレン微多孔膜 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH11269289A JPH11269289A (ja) | 1999-10-05 |
| JPH11269289A5 JPH11269289A5 (enExample) | 2005-06-23 |
| JP3989081B2 true JP3989081B2 (ja) | 2007-10-10 |
Family
ID=14005402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09068598A Expired - Lifetime JP3989081B2 (ja) | 1998-03-20 | 1998-03-20 | ポリエチレン微多孔膜 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3989081B2 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4986199B2 (ja) * | 2001-05-18 | 2012-07-25 | 旭化成イーマテリアルズ株式会社 | ポリエチレン製微多孔膜及びそれを用いた電池 |
| JP5217138B2 (ja) * | 2006-09-26 | 2013-06-19 | 住友化学株式会社 | 多孔性フィルムおよび非水電解質二次電池用セパレータ |
| JP5722305B2 (ja) * | 2009-03-30 | 2015-05-20 | 東レバッテリーセパレータフィルム株式会社 | 微多孔膜、バッテリーセパレーターフィルム、電池及び微多孔膜の製造方法 |
| CN103261294B (zh) | 2010-12-22 | 2014-06-25 | 东丽电池隔膜株式会社 | 微孔膜、该膜的制造方法、及该膜作为电池用隔膜的应用 |
| JP6252322B2 (ja) * | 2014-04-08 | 2017-12-27 | 東ソー株式会社 | 超高分子量ポリエチレン組成物製延伸微多孔膜 |
| JP6878841B2 (ja) * | 2016-03-11 | 2021-06-02 | 東ソー株式会社 | 超高分子量ポリエチレン組成物製セパレータ |
| KR102295069B1 (ko) | 2018-08-17 | 2021-08-26 | 주식회사 엘지화학 | 전기화학소자용 분리막 및 이의 제조방법 |
| JP7645051B2 (ja) | 2020-05-28 | 2025-03-13 | 住友化学株式会社 | 非水電解液二次電池用セパレータ |
-
1998
- 1998-03-20 JP JP09068598A patent/JP3989081B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11269289A (ja) | 1999-10-05 |
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