Electrophotographic elements with arylamine polycondensation pol

Details Electrophotographic elements with arylamine polycondensation pol Electrophotographic elements with arylamine polycondensation pol

1993-09-27

1994-12-06

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

G03G 5047

Patent

active

053709551

ABSTRACT:
A process for the preparation of aryl amine polycondensation polymers comprising the interfacial polymerization of an aryl amine diol dissolved in an alkaline aqueous phase, to which has been added a water miscible organic solvent, with a bifunctional acid halide dissolved in a water immiscible organic solvent, and wherein said polymers possess a high molecular weight of from between about 50,000 to about 350,000, and narrow molecular weight distribution M.sub.w /M.sub.n of from about 1 to about 4.

REFERENCES:
patent: 4265990 (1981-05-01), Stolka et al.
patent: 4801517 (1989-01-01), Frechet et al.
patent: 4806443 (1989-02-01), Yanus et al.
patent: 4806444 (1989-02-01), Yanus et al.
patent: 5028687 (1991-07-01), Yanus et al.

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