Fluoropolymer coating and casting compositions and films derived

Details Fluoropolymer coating and casting compositions and films derived Fluoropolymer coating and casting compositions and films derived

1985-11-26

1993-03-16

Schofer, Joseph L.

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

428422, 524520, 525199, 525200, B32B 2700

Patent

active

051943352

ABSTRACT:
A fluoroplastic resin dispersion is modified by the addition of a fluoroelastomer latex to yield a fluid coating or casting composition for forming films. The fluoroplastic resin dispersion, preferably an aqueous dispersion of a perfluoroplastic, such as polytetrafluoroethylene (PTFE), is modified by blending with a fluoroelastomer composition, preferably a latex, such that the fluoroplastic comprises up to about 95%, preferably up to about 90%, by weight of the invention composition. The fluoroelastomer component comprises at least about 5% by weight of the blend. The fluid composition and film according to the invention may preferably comprise from about 10-95% by weight fluoroplastic and from about 5-90% fluoroelastomer.

REFERENCES:
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patent: 4252859 (1981-02-01), Concannon et al.
patent: 4555543 (1985-11-01), Effenberger et al.

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