Patent ID: 6436315
Filing Date: 2002-08-20
Classification: B29C,B29L,C08F,C08K,C08L,H01M,Y02E,Y10T

Abstract:
A process for making a fuel cell plate having an intricate flow pattern molded therein comprising the steps of mixing a composition comprising;a) an unsaturated prepolymer resin which comprises one or more of unsaturated polyester and vinyl ester resin; b) an unsaturated material copolymerizable with said resin and including a terminal ethylene group; c) an inorganic conductive filler in an amount sufficient to provide a bulk conductivity of at least 40 S/cm to the resulting fuel cell plate; d) an initiator to initiate said copolymerization of said composition; and e) a shrinkage control additive; and f) molding the composition to form said fuel cell plate having the pattern molded therein.