| 发明名称 |
DRAWING MICROPOROUS SUBSTANCE |
| 摘要 |
Precursor microporous material comprising a matrix consisting essentially of linear ultrahigh molecular weight polyolefin, a large proportion of finely divided water-insoluble siliceous filler, and interconnecting pores is stretched to increase the porosity and provide regions of stretch-induced molecularly oriented polymer in the matrix. |
| 申请公布号 |
JPS63295650(A) |
申请公布日期 |
1988.12.02 |
| 申请号 |
JP19880103751 |
申请日期 |
1988.04.25 |
| 申请人 |
PPG IND INC |
发明人 |
RICHIYAADO ARAN SHIYUWARUTSU;TOOMASU HIITON RII;DENISU DANIERU REZAAMAN |
| 分类号 |
A61F13/49;A61F5/44;A61F13/514;B29C55/00;B29C55/02;B29C67/20;B29C70/58;B29K23/00;B29K105/04;C08J5/18;C08J9/00;C08K3/00;C08L23/06;C09K3/00 |
主分类号 |
A61F13/49 |
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