Biasable transfer composition and member

Details Biasable transfer composition and member Biasable transfer composition and member

2005-09-30

2010-02-23

Silverman, Stanley (Department: 1793)

Compositions

Electrically conductive or emissive compositions

Metal compound containing

C252S519210, C252S519300, C428S425800, C428S423100, C428S411100, C430S062000, C430S126100, C430S126200, C399S313000, C399S159000, C528S060000, C528S064000, C528S071000, C528S072000

Reexamination Certificate

active

07666329

ABSTRACT:
The invention provides conductivity control agent comprised of a polymeric material containing hydroxyalkylphosphonium (2-hydoxyethoxycarbonyl) arylsulfonate salts. The conductivity control agents can be used with semi-conductive rolls, belts and other biasable members. The inclusion of the conductivity control agent in the polymeric or polyurethane elastomers extends the electrical life of the polyurethane biasable member in low humidity environments. Additionally, the resistivity of the elastomeric polyurethane or polymer on the biasable member is controlled to a desirable value by adjusting the conductivity control agent level in the polymeric or polyurethane elastomers.

REFERENCES:
patent: 3959574 (1976-05-01), Seanor et al.
patent: 4265045 (1981-05-01), Garbini
patent: 4496643 (1985-01-01), Wilson et al.
patent: 4729925 (1988-03-01), Chen et al.
patent: 4742941 (1988-05-01), Tastet
patent: 5212032 (1993-05-01), Wilson et al.
patent: 5571457 (1996-11-01), Vreeland et al.
patent: 2007/0075295 (2007-04-01), DeJesus et al.
patent: 2007/0075296 (2007-04-01), DeJesus et al.
patent: 2007/0075298 (2007-04-01), DeJesus et al.

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