Conductive member for OA equipment

Details Conductive member for OA equipment Conductive member for OA equipment

2005-08-30

2005-08-30

Rayford, Sandra Nolan (Department: 1772)

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

C252S182300, C428S035700, C428S423100

Reexamination Certificate

active

06936184

ABSTRACT:
A conductive member for OA equipment (electrophotographic apparatus or electrostatic recording apparatus) which is obtainable from a composition comprising a non-ether-based polyurethane, carbon black and bis(trifluoromethanesulfonyl)imidolithium. The conductive member shows very stable conductivity in the volume resistivity range of 105to 1012Ω·cm, the conductivity of which is less dependent on the voltage applied and varies only slightly during continuous energization and upon changes in environmental factors such as temperature and humidity.

REFERENCES:
patent: 6140405 (2000-10-01), Eckstein et al.
patent: 06035298 (1994-02-01), None
patent: 2002-146178 (2002-05-01), None
patent: 2002-317114 (2002-10-01), None
patent: WO 01/793584 (2001-10-01), None
May 1, 1995 The Role of Lithium Salts in the Conductivity and Phase Morphology of a Thermoplastic Polyurethane J.D. van Heuman et al. Macromolecules vol. 28, No. 12 pp. 4268-4277.

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