Process of mixing fillers with polytetrafluorethylene and tetraf

Details Process of mixing fillers with polytetrafluorethylene and tetraf Process of mixing fillers with polytetrafluorethylene and tetraf

1974-11-14

1976-11-16

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

241 18, 241 22, 241 65, 260 4227, C08K 304, C08K 310, C08K 340, C08K 501

Patent

active

039923509

ABSTRACT:
This invention relates to filled or charged tetrafluorethylene polymers and copolymers useful as molding or extrusion materials and to their use for the production of various products by lubrication extrusion. The filler and polymer or copolymer are mixed by grinding them together at a temperature of about -80.degree. to about +15.degree.C.

REFERENCES:
patent: 2347464 (1944-04-01), Cuno
patent: 2593582 (1952-04-01), Lontz
patent: 2971908 (1961-02-01), Chaffin
patent: 3409584 (1968-05-01), Buschman et al.
patent: 3597405 (1971-08-01), Kometani et al.
patent: 3633830 (1972-01-01), Oberpriller

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