Extrusion process

Details Extrusion process Extrusion process

2005-01-19

2010-06-29

Wyrozebski, Kat (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

Reexamination Certificate

active

07744794

ABSTRACT:
The present invention relates to the extrusion of a composition comprising tetrafluoroethylene/hexafluoropropylene copolymer, 10-60 wt % inorganic particulate filler, and hydrocarbon polymer for dispersing the filler in the copolymer, preferably 0.1 to 5 wt % hydrocarbon polymer, at low temperatures, e.g. up to 650° F. (343° C.).

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Dupont (R) CJ-95 Product Bulletin, Jan. 2002.

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