Patent ID: 6067438
Filing Date: 2000-05-23
Classification: C08G,C08L,G03G

Abstract:
A non-oil swelling, composite release agent donor member for a toner fixing system, the donor member comprising, in order:a base member;an optional intermediate layer; andan outermost layer comprising a polymeric composition containing a cured interpenetrating network of (a) fluorocarbon elastomer and (b) at least one silicone elastomer selected from the group consisting of a polyfunctional poly(C.sub.(1-6) alkyl)siloxane polymer; polyfunctional poly(C.sub.(1-6) alkyl)arylsiloxane polymer; and combinations thereof; wherein the outermost layer contains a metal oxide present in an amount sufficient to interact with a functionalized release agent which may be applied to the outer surface of said outermost layer; and wherein said fluorocarbon elastomer is present in an amount greater than 45 mole percent.