发明名称 |
Modifiers for PVC foam, process for extruding modified PVC foam and modified PVC foam compositions |
摘要 |
A modifier system for extruding PVC foam comprising two separate core-shell polymers, the shells of which are substantially ungrafted to the cores. Also disclosed is an improved process for extruding PVC foam and improved extruded PVC foam composition and articles.
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申请公布号 |
US4120833(A) |
申请公布日期 |
1978.10.17 |
申请号 |
US19760695608 |
申请日期 |
1976.06.14 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
PURVIS, MARSHALL T.;GRANT, R. PETER |
分类号 |
C08L27/00;C08J9/00;C08J9/04;C08L1/00;C08L27/06;C08L33/00;C08L33/02;C08L33/04;C08L51/00;C08L51/02;(IPC1-7):C08J9/06;C08L33/08;C08L49/00 |
主分类号 |
C08L27/00 |
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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