Patent ID: 6592977
Filing Date: 2003-07-15
Classification: A47J,B05D,C08L,C09D,Y10T

Abstract:
A primer composition capable of forming an adherent coating to a substrate and exhibiting abrasion resistance, comprising fluoropolymer, polymer binder and inorganic filler film hardener, the fluoropolymer to polymer binder weight ratio being 0.5 to 2.0:1 and the filler film hardener to fluoropolymer weight ratio being at least 1.4:1, at least 30 wt % of said filler film hardener comprising large ceramic particles having an average particle size of at least 14 micrometers and a Knoop hardness of at least 1200, said fluoropolymer being polytetrafluoroethylene or a copolymer of tetrafluoroethylene and at least one fluorinated copolymerizable monomer.