Modified polytetrafluoroethylene resins and blends thereof

Details Modified polytetrafluoroethylene resins and blends thereof Modified polytetrafluoroethylene resins and blends thereof

1989-11-06

1990-08-28

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 64, 525 65, 525121, 525153, 525178, 525194, 525195, 525196, 525199, 525200, 524520, C08L 2716, C08L 2718, C08L 2720, C08L 5100

Patent

active

049526308

ABSTRACT:
Dispersion-process-produced, non-melt-processible, particulate, core-shell, tetrafluoroethylene copolymer comprising recurring units of tetrafluoroethylene and modifying recurring units of at least one ethylenically unsaturated comonomer that is copolymerizable with the tetrafluoroethylene, the number of recurring units of comonomer in the shell being sufficient to enable the copolymer to compound uniformly with an elastomer or plastic without forming visible agglomerates, and blends thereof with elastomeric and plastic resins.

REFERENCES:
patent: 3005795 (1961-10-01), Busse et al.
patent: 3484503 (1969-12-01), Magner et al.
patent: 3940455 (1976-02-01), Kaufman
patent: 4094949 (1978-06-01), Saxon et al.
patent: 4520170 (1985-05-01), Kitto
patent: 4767821 (1988-08-01), Lindner et al.
patent: 4780490 (1988-10-01), Mizuno et al.
patent: 4837267 (1989-06-01), Malhotra et al.
patent: 4840998 (1989-06-01), Shimizu et al.

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