Imaging member containing polysiloxane homopolymers

Details Imaging member containing polysiloxane homopolymers Imaging member containing polysiloxane homopolymers

1991-11-04

1993-05-25

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 67, 430132, G03G 514

Patent

active

052139280

ABSTRACT:
An electrostatographic imaging member including a supporting substrate and an outer layer on the imaging side of the imaging member, the outer layer including minute spheres of a high molecular weight polysiloxane homopolymer homogeneously dispersed in a continuous film forming polymer matrix. This imaging member may be used in an electrostatographic imaging process which includes the steps of forming an electrostatic latent image on the imaging surface, developing the electrostatic latent image with marking particles to form marking particle images in conformance with the electrostatic latent image, transferring the marking particles image to a receiving member, cleaning the imaging surface and repeating the electrostatic latent image forming, developing, transferring and cleaning steps at least once. This imaging member is prepared by dissolving the high molecular weight polysiloxane homopolymer and film forming polymer in at least one solvent and forming a dried outer layer in which the high molecular weight polysiloxane homopolymer is phase separated out and homogeneously dispersed as minute spheres in the continuous film forming polymer matrix.

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