Polymeric release agents for electroscopic thermoplastic toners

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

1978-04-19

1980-01-22

Ansher, Harold

Stock material or miscellaneous articles

Composite

Of epoxy ether

427375, 427359, 427387, 427388R, 428411, 428423, 428447, 428450, B32B 1508, G03G 1320

Patent

active

041851404

ABSTRACT:
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 prevents 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.

REFERENCES:
patent: 3346405 (1967-10-01), Viventi
patent: 3937637 (1976-02-01), Moser et al.
patent: 3938993 (1976-02-01), Royka et al.
patent: 4011362 (1977-03-01), Stewart
patent: 4029827 (1977-06-01), Imperial et al.

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