Polysiloxane dielectric member for carrying electrostatic latent

Details Polysiloxane dielectric member for carrying electrostatic latent Polysiloxane dielectric member for carrying electrostatic latent

1993-01-26

1995-06-06

Thibodeau, Paul J.

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Web or sheet containing structurally defined element or...

Physical dimension specified

428446, 428447, 428450, B32B 2728

Patent

active

054221773

ABSTRACT:
The improved dielectric member for carrying electrostatic latent image comprises a support and an overlying dielectric layer, with a thickness of from 3 to 70 .mu.m, that is formed of an polysiloxane/amic acid copolymer. The dielectric member has a relative dielectric constant of 2.0 to 6.0, a surface hardness of 300 to 1,500 on the Vickers scale, and exhibits high reliability in operating characteristics. It can be produced by a process in which the dielectric layer is formed on the support by applying an inorganic polymer compound film-forming material onto the support, and heating the coated layer in vacuum to cure.

REFERENCES:
patent: 5096796 (1992-03-01), Mammino et al.

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