发明名称 |
Poly(tetramethylene terephthalate)-polyether block |
摘要 |
Poly(tetramethylene terephthalate)-polyether block copolymers having materially increased heat deflection temperatures and incorporating within the polymer chain in random distribution 1 percent to 7 percent by weight of the polyether, poly(tetramethylene ether glycol) or polyethylene oxide; the polyether being added to the reaction mixture in the course of the polymerization reaction.
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申请公布号 |
US4116925(A) |
申请公布日期 |
1978.09.26 |
申请号 |
US19760695377 |
申请日期 |
1976.06.14 |
申请人 |
GAF CORPORATION |
发明人 |
BRACHMAN, ARMAND E.;KHATTAB, GHAZI;SMOLIN, EDWIN M. |
分类号 |
C08L67/00;C08G63/00;C08G63/66;C08G63/672;(IPC1-7):C08K7/14;C08L67/06 |
主分类号 |
C08L67/00 |
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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