Polyurethane roller with high surface resistance

Details Polyurethane roller with high surface resistance Polyurethane roller with high surface resistance

G - Physics

03

G

G03G 9/00 (2006.01) B29C 39/00 (2006.01) C08G 18/10 (2006.01) C08G 18/42 (2006.01) C08G 18/69 (2006.01) C08G 18/83 (2006.01) C08K 3/16 (2006.01) G03G 15/08 (2006.01)

Patent

CA 2198997

An electrophotographic developer roller is made by casting urethane prepolymer mixed with a butadiene, a trifunctional curative and ferric chloride powder. After curing, the roller is baked, which oxidizes the outer surface. The oxidized surface layer is electrically resistive, which is desirable in a developer roller. An excellent developer roller is achieved at low production cost.

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