COMPOSITE MOLDED BODY OF A COPOLYMER OF TETRAFLUOROETHYLENE AND PERFLUORO(ETHYL VINYL ETHER)
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United States of America Patent
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Jun 30, 2016
app pub date -
Mar 20, 2015
filing date -
Mar 25, 2014
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Abstract
A composite molded body, and its manufacturing method, is provided wherein the composite body contains a layer comprising a copolymer of tetrafluoroethylene (TFE) and perfluoro(ethyl vinyl ether) (PEVE). The composite body can be manufactured under conditions in which an adjoined layer of thermoplastic resin and/or thermosetting resin is not be melted, thermally degraded or decomposed. The copolymer has a PEVE content of 20 to 80 weight percent, based on the total weight of the copolymer, and a melt flow rate of from 0.1 to 100 g/10 min, as measured in compliance with ASTM D1238 at a temperature of 250° C.±0.1 using a 5 kg weight.
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