PREPARATION METHOD FOR POLYTETRAFLUOROETHYLENE COMPOSITION, POLYTETRAFLUOROETHYLENE COMPOSITION, FORMING PRODUCT, CONDUCTIVE PIPE, HEAT CONDUCTION FILM, AND SUBSTRATE CCL
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United States of America Patent
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Oct 28, 2021
app pub date -
Jun 3, 2021
filing date -
Dec 4, 2018
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Abstract
A method for producing a polytetrafluoroethylene composition including mixing a polytetrafluoroethylene resin and a filler using an airflow mixer to provide a polytetrafluoroethylene composition containing the polytetrafluoroethylene resin and the filler. The airflow mixer is a pulse-type airflow mixer or an airflow stirrer. Also disclosed is a polytetrafluoroethylene composition produced by the production method, a polytetrafluoroethylene composition having specific physical properties, as well as a molded article, electrically conductive tube, thermally conductive film, and substrate for CCL each obtained from the polytetrafluoroethylene composition.
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