Processing which enhances photoconductivity of type I titanyl ph

Details Processing which enhances photoconductivity of type I titanyl ph Processing which enhances photoconductivity of type I titanyl ph

1997-10-02

1998-06-30

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

Process of making radiation-sensitive composition

430 78, 540141, C09B 6716, G03G 506

Patent

active

057731845

ABSTRACT:
Type I titanyl phthalocyanine is mixed with a solution of one part dihaloacetic acid and four parts methylene chloride by volume. This is then added to a solution of equal parts by volume of water and methanol, and the recovered phthalocyanine is washed. The resulting polymorph has improved photoresponsive speed. A photoconductor employing the polymorph can be an anodized aluminum drum having a coating of the polymorph in a resin binder, with a further coating of a known charge transport material in a resin binder.

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IS&T's Eleventh International Congress on Advances in Non-Impact Printing Technologies, Martin et al, pp. 30-35, 1995.

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