发明授权
US5145925A Chlorotrifluoroethylene/perfluoro(alkyl vinyl ether) copolymer 失效
氯仿三氟乙烯/全氟(甲基乙烯基醚)共聚物

Chlorotrifluoroethylene/perfluoro(alkyl vinyl ether) copolymer
摘要:
A copolymer comprising chlorotrifluoroethylene and 0.01 to 1% by mole of perfluoro(alkyl vinyl ether) of the formula:R.sub.f --O--CF.dbd.CF.sub.2 (I)wherein R.sub.f is a C.sub.3 -C.sub.6 perfluoroalkyl group, and having a melt flow rate of 0.01 to 200.times.10.sup.-3 cc/sec., which has good mechanical strength and sufficiently high melting point.
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