发明名称 |
MULTILAYER ARTICLE OF MICROPOROUS AND SUBSTANTIALLY NONPOROUS MATERIALS |
摘要 |
<p>A multilayer article comprises at least one layer of substantially nonporous material fusion bonded in the absence of extrinsic intervening adhesive to at least one layer of microporous material comprising a matrix consisting essentially of linear ultrahigh molecular weight polyolefin, a large proportion of finely divided, water-insoluble filler at least about 50 percent of which is siliceous, and interconnecting pores.</p> |
申请公布号 |
EP0489001(B1) |
申请公布日期 |
1996.06.19 |
申请号 |
EP19890910255 |
申请日期 |
1989.08.31 |
申请人 |
PPG INDUSTRIES, INC. |
发明人 |
LEATHERMAN, DENNIS, DANIEL;SCHWARZ, RICHARD, ALAN |
分类号 |
B32B5/18;B32B27/20;B32B27/32;(IPC1-7):B32B5/18 |
主分类号 |
B32B5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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