发明名称 |
Composite sheet member having a plurality of coextruded laminar layers |
摘要 |
The present invention relates to a composite sheet member having a plurality of coextruded laminar layers comprising a base layer having at least one exterior layer, said base layer being formed from a first polyblend of low grafted rubber content and said exterior layers being formed from a second polyblend having a higher grafted rubber content, said composite sheet having increased impact strength when impacted with a force through the base layer to the exterior layer.
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申请公布号 |
US4101702(A) |
申请公布日期 |
1978.07.18 |
申请号 |
US19770843185 |
申请日期 |
1977.10.18 |
申请人 |
MONSANTO COMPANY |
发明人 |
CHURCHILL, GEOFFREY B.;WHITE, J. CRAIG |
分类号 |
B32B27/28;(IPC1-7):B32B7/00 |
主分类号 |
B32B27/28 |
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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