Polymeric release agents for electroscopic thermoplastic toners

Details Polymeric release agents for electroscopic thermoplastic toners Polymeric release agents for electroscopic thermoplastic toners

G - Physics

03

G

117/69, 314/38.5

G03G 15/20 (2006.01)

Patent

CA 1110510

ABSTRACT OF THE DISCLOSURE Polymeric release agents having functional groups such as carboxy, hydroxy, epoxy, amino, isocyanate, thioether or mercapto groups are applied to a heated fuser member in an electrostatic reproducing apparatus to form thereon a thermally stable, renewable, self-cleaning layer having excellent toner release properties for conventional electroscopic thermoplastic resin toners. The functional polymeric fluids interact with the fuser member in such a manner as to form a thin, thermally stable interfacial barrier at the surface of the fuser member while leaving an outer film or layer of unreacted release fluid. The interfacial barrier is strongly attached to the fuser member surface and precents electroscopic thermoplastic resin toner material from contacting the outer surface of the fuser member. The material on the surface of the fuser member is of minimal thickness and thereby represents a minimal thermal barrier.

227634

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