Charging roll for electrophotographic apparatus
AssigneeSumitomo Riko Company Limited
InventorsJunichiro Suenaga, Shinkichi Kashihara, Akitoshi Morita, Takeru Horiuchi
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Abstract
A charging roll for an electrophotographic apparatus includes a shaft body and an elastic body layer formed on an outer circumferential surface of the shaft body. The elastic body layer contains (a) to (c) below: (a) a hydrin rubber with a chlorine content of 14% or more and 19% or less; (b) an ionic conductive agent; and (c) a salt of a cyclic amidine compound. The hydrin rubber includes a crosslinking agent which is a sulfur crosslinking agent or a peroxide crosslinking agent.
Claims6
A charging roll for an electrophotographic apparatus comprising a shaft body and an elastic body layer formed on an outer circumferential surface of the shaft body, wherein
- the elastic body layer contains (a) to (c) below:
- (a) a hydrin rubber with a chlorine content of 14% or more and 19% or less;
- (b) an ionic conductive agent;
- and
- (c) a salt of a cyclic amidine compound, and
- the hydrin rubber comprises a crosslinking agent which is a sulfur crosslinking agent or a peroxide crosslinking agent.
Dependencies are inferred from the claim text.