Nonstick finish for molding articles

Details Nonstick finish for molding articles Nonstick finish for molding articles

1997-10-07

1999-02-23

Cain, Edward J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523206, 523209, 523210, 523216, 523217, C08K 900

Patent

active

058744894

ABSTRACT:
A nonstick coating compositions for mold surfaces is disclosed which coatings have superior release properties and impart a matte finish to the molded article and maintain these performance characteristics over protracted periods of use. The disclosed coating composition comprises a filled fluoropolymer and polymer binder, where the filled fluoropolymer comprises an inorganic filler particle which is wholly or partially encapsulated by a fluoropolymer powder which composition when applied to a mold surface produces a surface profile with an average roughness Ra of 1 to 15 microns after spraying and curing.

REFERENCES:
patent: 3956000 (1976-05-01), Kuhls et al.
patent: 4239879 (1980-12-01), Fabris et al.
patent: 4244912 (1981-01-01), Battice

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