Organic photoconductor with polydivinyl spirobi (M-dioxane) poly

Details Organic photoconductor with polydivinyl spirobi (M-dioxane) poly Organic photoconductor with polydivinyl spirobi (M-dioxane) poly

1995-08-14

1996-05-21

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 58, 430 66, 430 67, G03G 5047, G03G 5147

Patent

active

055188478

ABSTRACT:
An improved organic photoconductor is disclosed which comprises: (a) a conductive substrate; (b) a charge generation layer; (c) a charge transport layer; and (d) a reinforcing overcoating layer. The reinforcing overcoating layer contains a polymer resin prepared from a reaction mixture comprising: (i) about 87 to 94 wt % of a bifunctional 3,9-divinyl spirobi(m-dioxane) and styrene; (ii) about 5 to 8 wt % of maliec acid di-allyl ester; and (iii) about 1 to 5 wt % of a heat-induced polymerization initiator. The organic photoconductor exhibits light and heat stability and abrasion resistance comparable to those of inorganic photoconductors, but it eliminates many of the shortcomings, such as toxicity and enviromental pollution problems, that have been recognized as being associated with the inorganic photoconductors. Furthermore, the provision of this overcoating layer does not cause any loss of performance, as measured by the residual potential under various test conditions.

REFERENCES:
patent: 4489148 (1984-12-01), Horgan
patent: 4923775 (1990-05-01), Schank
patent: 5166021 (1992-11-01), Odell et al.
patent: 5270139 (1993-12-01), Yeng et al.
patent: 5350822 (1994-09-01), Chen

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