Method for extending the functional life of polymers used in xer

Details Method for extending the functional life of polymers used in xer Method for extending the functional life of polymers used in xer

1976-07-01

1977-12-13

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

427 58, 428425, 355 3R, H01B 100

Patent

active

040628124

ABSTRACT:
A method is disclosed for extending the electrical life of copolymers of butadiene and terminally unsaturated hydrocarbon nitriles by incorporating salts having asymmetrical quaternary ammonium cations or salts having structural charge specific anions therein. The method and polymers are useful for extending the functional electrical life and electrical stability of materials used in xerographic devices where control of and minimizing of the variations in the resistivity under applied voltages vs. time is important, e.g., in bias transfer rolls.

REFERENCES:
patent: 3959573 (1976-05-01), Eddy et al.
patent: 3959574 (1976-05-01), Seanor et al.

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