Fuser roll for fixing toner to a substrate comprising tin oxide

Details Fuser roll for fixing toner to a substrate comprising tin oxide Fuser roll for fixing toner to a substrate comprising tin oxide

1993-12-14

1996-01-02

Ryan, Patrick J.

Stock material or miscellaneous articles

Composite

Of silicon containing

428422, 428463, 428448, 428451, 355285, 355282, B32B 900

Patent

active

054807247

ABSTRACT:
The invention provides a fuser roll useful for heat-fixing an electrographic toner to a substrate, wherein the roll comprises a core having thereon a base cushion layer comprising a condensation-crosslinked poly(dimethylsiloxane) elastomer, characterized in that the base cushion layer has tin oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the base cushion layer.
The base cushion layer of such a fuser roll has been unexpectedly found to exhibit only minimal weight loss, creep, and changes in hardness, over time, when subjected to conditions of elevated temperature and cyclic stress.

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Fitzgerald et al, Polymer Engineering and Science, vol. 32, No. 18 Sep., 1992, pp. 1350-1357.
Concise Chemical & Technical Dictionary, 4th Ed., Bennet, Chem. Publ. 1994.

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