Patent ID: 6242089
Filing Date: 2001-06-05
Classification: C08J,C08K,C09D,Y10T

Abstract:
A coated substrate comprising(a) a primer comprising one or more adhesion promoting polymers,(b) at least one topcoat of a permeation resistant composition of copolymer of ethylene and tetrafluoroethylene (ETFE) and mica, wherein the ETFE is a copolymer of about 40 to about 60 mole % ethylene and about 40 to about 60 mole % tetrafluoroethylene, based on the copolymer, wherein the mica is present in amounts of about 3 to about 25% by weight based on the ETFE plus mica, and(c) a substrate on which said primer is coated, said composition being applied to said primer as a dry powder, said topcoat being at least 150 microns thick.