Abstract: A release coating of thermally stable essentially non-fluorocarbon polymer and low molecular weight fluorocarbon polymer is made non-chalking; i.e., not cause waxy buildup on fabrication equipment producing articles having the coating thereon, by a special polymerization process for making the fluorocarbon polymer, viz., aqueous dispersion polymerization using conventional initiator, dispersing agent, and chain transfer agent, but also having carboxylic acid, salt, ester or peroxide thereof, or alkanol or ester thereof or ketone present during the polymerization. Alternatively, the additive can be fluorosurfactant which contains carbon-hydrogen bonding and which also serves as the dispersing agent in the polymerization medium.

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.

Abstract: A process for adhering a fluororesin film to a metal surface, using a primer comprising fluororesin, aluminum flake and more polyether sulfone than polyamideimides.