JPWO2021033735A5 - - Google Patents
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- Publication number
- JPWO2021033735A5 JPWO2021033735A5 JP2020545384A JP2020545384A JPWO2021033735A5 JP WO2021033735 A5 JPWO2021033735 A5 JP WO2021033735A5 JP 2020545384 A JP2020545384 A JP 2020545384A JP 2020545384 A JP2020545384 A JP 2020545384A JP WO2021033735 A5 JPWO2021033735 A5 JP WO2021033735A5
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin
- microporous
- membrane according
- polyethylene
- dsc
- 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 claims 13
- 239000012528 membrane Substances 0.000 claims 7
- 239000012982 microporous membrane Substances 0.000 claims 4
- -1 polyethylene Polymers 0.000 claims 4
- 239000004698 Polyethylene Substances 0.000 claims 3
- 238000000113 differential scanning calorimetry Methods 0.000 claims 3
- 229920000573 polyethylene Polymers 0.000 claims 3
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000011247 coating layer Substances 0.000 claims 1
- 229920013716 polyethylene resin Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019152105 | 2019-08-22 | ||
| JP2019152105 | 2019-08-22 | ||
| PCT/JP2020/031351 WO2021033735A1 (ja) | 2019-08-22 | 2020-08-19 | ポリオレフィン微多孔膜、積層体、及び電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021033735A1 JPWO2021033735A1 (https=) | 2021-02-25 |
| JPWO2021033735A5 true JPWO2021033735A5 (https=) | 2023-12-01 |
| JP7585789B2 JP7585789B2 (ja) | 2024-11-19 |
Family
ID=74661004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020545384A Active JP7585789B2 (ja) | 2019-08-22 | 2020-08-19 | ポリオレフィン微多孔膜、積層体、及び電池 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20220298314A1 (https=) |
| JP (1) | JP7585789B2 (https=) |
| KR (1) | KR20220051167A (https=) |
| CN (1) | CN114269817A (https=) |
| WO (1) | WO2021033735A1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11674026B2 (en) * | 2021-03-18 | 2023-06-13 | Ddp Specialty Electronic Materials Us, Llc | Polyolefin-based microporous films via sequential cold and hot stretching of unannealed polypropylene copolymer films |
| KR20240026878A (ko) * | 2021-06-30 | 2024-02-29 | 도레이 카부시키가이샤 | 폴리올레핀 미다공막 및 전지용 세퍼레이터 |
| WO2023145319A1 (ja) * | 2022-01-28 | 2023-08-03 | 東レ株式会社 | ポリオレフィン微多孔膜およびその製造方法 |
| JPWO2023176880A1 (https=) * | 2022-03-18 | 2023-09-21 | ||
| CN118281486A (zh) * | 2024-04-07 | 2024-07-02 | 上海恩捷新材料科技有限公司 | 低闭孔温度隔膜及其制备方法 |
| CN118825552A (zh) * | 2024-06-19 | 2024-10-22 | 深圳中兴新材技术股份有限公司 | 抗钠枝晶钠离子电池隔膜及其制备方法与应用 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002194132A (ja) * | 2000-12-26 | 2002-07-10 | Tonen Chem Corp | ポリオレフィン微多孔膜及びその製造方法 |
| JP4195810B2 (ja) * | 2002-12-16 | 2008-12-17 | 東燃化学株式会社 | ポリオレフィン微多孔膜及びその製造方法並びに用途 |
| JP2005200578A (ja) | 2004-01-16 | 2005-07-28 | Asahi Kasei Chemicals Corp | ポリオレフィン製微多孔膜 |
| US20090170005A1 (en) * | 2005-11-01 | 2009-07-02 | Tonen Chemical Corporation | Microporous polyolefin membrane, battery separator formed thereby and battery |
| CN1960264A (zh) | 2005-11-03 | 2007-05-09 | 华为技术有限公司 | 一种计费的方法和系统 |
| KR101448087B1 (ko) * | 2007-08-31 | 2014-10-07 | 도레이 배터리 세퍼레이터 필름 주식회사 | 폴리올레핀 다층 미세 다공막, 그 제조 방법, 전지용 세퍼레이터 및 전지 |
| TWI367229B (en) * | 2007-10-05 | 2012-07-01 | Toray Tonen Specialty Separato | Microporous polymer membrane |
| US8927135B2 (en) * | 2009-06-20 | 2015-01-06 | Treofan Germany Gmbh & Co. Kg | Microporous foil for batteries having shutdown function |
| JP2013057045A (ja) | 2011-09-06 | 2013-03-28 | Kee:Kk | 耐熱性改良ポリオレフィン微多孔膜及びその製造方法。 |
| WO2015166878A1 (ja) * | 2014-04-30 | 2015-11-05 | 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 |
| US10680224B2 (en) * | 2014-06-20 | 2020-06-09 | Toray Industries, Inc. | Polyolefin multilayer microporous film, method for producing same, and cell separator |
| US20210218108A1 (en) | 2017-11-08 | 2021-07-15 | Toray Industries, Inc. | Polyolefin composite porous film, method of producing same, battery separator, and battery |
-
2020
- 2020-08-19 WO PCT/JP2020/031351 patent/WO2021033735A1/ja not_active Ceased
- 2020-08-19 JP JP2020545384A patent/JP7585789B2/ja active Active
- 2020-08-19 KR KR1020227004184A patent/KR20220051167A/ko not_active Ceased
- 2020-08-19 CN CN202080056537.3A patent/CN114269817A/zh active Pending
- 2020-08-19 US US17/636,130 patent/US20220298314A1/en not_active Abandoned
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