| 发明名称 |
Microporous Membrane |
| 摘要 |
A microporous membrane having a polyolefin microporous membrane and a surfactant adhering to the polyolefin microporous membrane, wherein the surfactant includes a surfactant (A) having a solubility in 100 g of water of 5 g or more and a surfactant (B) having a solubility in 100 g of water of less than 0.1 g, the surfactants (A) and (B) are adhered in an amount of 1 to 40% by mass in total based on 100% by mass of the polyolefin microporous membrane, and the polyolefin microporous membrane has a tortuosity factor of more than 2.0. |
| 申请公布号 |
US2014335396(A1) |
申请公布日期 |
2014.11.13 |
| 申请号 |
US201214346980 |
申请日期 |
2012.09.26 |
| 申请人 |
ASAHI KASEI E-MATERIALS CORPORATION |
发明人 |
Onizawa Takeshi;Takeda Hisashi;Ameyama Keitaro |
| 分类号 |
H01M2/16;H01M2/14 |
主分类号 |
H01M2/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1: A microporous membrane comprising a polyolefin microporous membrane and a surfactant adhering to the polyolefin microporous membrane, wherein
the surfactant comprises a surfactant (A) having a solubility in 100 g of water of 5 g or more and a surfactant (B) having a solubility in 100 g of water of less than 0.1 g, the surfactants (A) and (B) are adhered in an amount of 1 to 40% by mass in total based on 100% by mass of the polyolefin microporous membrane, and the polyolefin microporous membrane has a tortuosity factor of more than 2.0. |
| 地址 |
Tokyo JP |
