Modified polytetrafluoroethylene fine powder and process for pre

Details Modified polytetrafluoroethylene fine powder and process for pre Modified polytetrafluoroethylene fine powder and process for pre

1991-06-13

1993-01-05

Schofer, Joseph L.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

526247, B32B 516, C08F11612

Patent

active

051769581

ABSTRACT:
Modified PTFE fine powder which comprises colloidal particles of a copolymer comprising repeating units derived from tetrafluoroethylene and 0.02 to 0.3% by weight, preferably 0.03 to 0.2% by weight of repeating units derived from at least one fluoroalkyl vinyl ether selected from compounds of the formula:

REFERENCES:
patent: 3142665 (1964-07-01), Cardinal et al.
patent: 3819594 (1974-06-01), Holmes et al.
patent: 4159370 (1979-06-01), Koizumi et al.
patent: 4363900 (1982-12-01), Shimizu et al.
patent: 4530981 (1985-07-01), Malhotra
patent: 4552925 (1985-11-01), Nakagawa et al.
patent: 4694045 (1987-09-01), Moore
Official Gazette 1046 TMOG-2 Sep. 4, 1984.

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