| 发明名称 |
METHOD OF MAKING A COMPOSITE MICROPOROUS MEMBRANE |
| 摘要 |
A method of making a composite microporous membrane includes the steps of: coating a nonporous precursor film with a polymer composition, and then stretching the coated nonporous precursor. Stretching includes a first stretching conducted at a first temperature and a first stretching rate and a second stretching conducted at a second temperature and a second stretching rate. The first stretching rate and the second stretching rate are different.
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| 申请公布号 |
SG114789(A1) |
申请公布日期 |
2005.09.28 |
| 申请号 |
SG20050001402 |
申请日期 |
2005.03.07 |
| 申请人 |
CELGARD INC. |
发明人 |
KHUY V. NGUYEN;DONALD K. SIMMONS;KEVIN D. CHAMBERS;JOE C. MONTAGNINO;RICHARD FORD, JR. |
| 分类号 |
C08J9/00;B01D67/00;B01D69/12;B01D71/06;B01D71/26;B05D3/12;B29C55/02;B29C55/06;B29C67/20;B29K1/00;B29K23/00;B29K27/06;B29K29/00;B29L7/00;B29L9/00 |
主分类号 |
C08J9/00 |
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