Photoconductor comprising a complex between metal oxide phthaloc

Details Photoconductor comprising a complex between metal oxide phthaloc Photoconductor comprising a complex between metal oxide phthaloc

1996-04-18

1998-05-12

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 96, 430134, 430 56, G03G 505

Patent

active

057503001

ABSTRACT:
Embodiments of photoconductors and methods of making photoconductors for electophotography are described, each embodiment comprising a complex between metal oxide phthalocyanine compound(s) and hydroxy compound(s). A metal oxide phthalocyanine pigment exhibits extended photoresponse between 850 nm and 1000 nm when it is milled with a specific hydroxy binder, which preferably includes a modified poly-vinyl butyral binder containing a --CH.sub.2 CH.sub.2 OH unit, a cyclohexanol unit, or another hydroxy unit. Optionally, hydroxy solvents or other hydroxy additives may also be included. Preferably, the pigment is dehydrated or hydroxy-starved before milling with the binder and solvents. The metal oxide phthalocyanine pigments and the hydroxy groups form a complex which extends the photo-response of an OPC to wavelengths beyond about 850 nm, in order to achieve higher xerographic speed with higher resolution.

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English translation of JP 7-72637, Mar. 1995.
English translation of JP 7-72638, Mar. 1995.

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