Paste extrusion molding method and paste extrusion molding body

摘要

PPROBLEM TO BE SOLVED: To provide a paste extrusion molding method which effectively reduces the rising of the extrusion pressure even in the case of high contents of fillers, and to provide a paste extrusion molding. PSOLUTION: The paste extrusion molding method includes preparing a polytetrafluoroethylene composition comprising polytetrafluoroethylene, a filler and an organic liquid auxiliary and subjecting the polytetrafluoroethylene composition to paste extrusion molding. The polytetrafluoroethylene composition contains 15-60 vol.% of the filler and a surfactant having a 3-40C hydrocarbon chain as an extrusion pressure reducing agent. PCOPYRIGHT: (C)2011,JPO&INPIT