JP2001072788A5 - - Google Patents
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- Publication number
- JP2001072788A5 JP2001072788A5 JP1999251748A JP25174899A JP2001072788A5 JP 2001072788 A5 JP2001072788 A5 JP 2001072788A5 JP 1999251748 A JP1999251748 A JP 1999251748A JP 25174899 A JP25174899 A JP 25174899A JP 2001072788 A5 JP2001072788 A5 JP 2001072788A5
- Authority
- JP
- Japan
- Prior art keywords
- molecular weight
- microporous
- polyolefin
- composition
- average molecular
- 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
- 229920000098 polyolefin Polymers 0.000 description 14
- 239000012528 membrane Substances 0.000 description 8
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012982 microporous membrane Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25174899A JP4280371B2 (ja) | 1999-09-06 | 1999-09-06 | ポリオレフィン微多孔膜及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25174899A JP4280371B2 (ja) | 1999-09-06 | 1999-09-06 | ポリオレフィン微多孔膜及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2001072788A JP2001072788A (ja) | 2001-03-21 |
| JP2001072788A5 true JP2001072788A5 (https=) | 2006-05-11 |
| JP4280371B2 JP4280371B2 (ja) | 2009-06-17 |
Family
ID=17227351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25174899A Expired - Lifetime JP4280371B2 (ja) | 1999-09-06 | 1999-09-06 | ポリオレフィン微多孔膜及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4280371B2 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3908459B2 (ja) | 2000-12-22 | 2007-04-25 | 三洋電機株式会社 | 非水電解質二次電池 |
| JP2003109574A (ja) * | 2001-09-28 | 2003-04-11 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
| US8104625B2 (en) | 2004-05-20 | 2012-01-31 | Asahi Kasei Chemicals Corporation | Microporous membrane made of polyolefins |
| EP1731960A1 (en) * | 2005-06-07 | 2006-12-13 | Obducat AB | Apparatus and method for separating a composite |
| 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 |
| US8338017B2 (en) | 2007-10-12 | 2012-12-25 | Toray Battery Separator Film Co., Ltd. | Microporous membrane and manufacturing method |
| PL2414083T3 (pl) * | 2009-03-30 | 2019-06-28 | Toray Industries, Inc. | Mikroporowate membrany, sposób wytwarzania takich membran oraz zastosowanie takich membran jako film separatora ogniwowego |
| US20210218108A1 (en) | 2017-11-08 | 2021-07-15 | Toray Industries, Inc. | Polyolefin composite porous film, method of producing same, battery separator, and battery |
| WO2022220626A1 (ko) | 2021-04-14 | 2022-10-20 | 주식회사 엘지에너지솔루션 | 이차전지 |
| US12476312B2 (en) | 2021-04-15 | 2025-11-18 | Lg Energy Solution, Ltd. | Secondary battery |
| US12294105B2 (en) | 2021-04-15 | 2025-05-06 | Lg Energy Solution, Ltd. | Secondary battery |
| US12255348B2 (en) * | 2021-04-15 | 2025-03-18 | Lg Energy Solution, Ltd. | Secondary battery |
| CN113332861B (zh) * | 2021-05-11 | 2023-05-02 | 张春燕 | 一种超高分子量聚乙烯多孔膜及其制备方法与用途 |
-
1999
- 1999-09-06 JP JP25174899A patent/JP4280371B2/ja not_active Expired - Lifetime
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