| 摘要 |
PURPOSE:To enhance low temp. adhesiveness and offset resistance by incorporating a polyester-polyolefine or polyester-polyvinyl type copolymer as a binder resin to prepare an electrophotographic developer. CONSTITUTION:The electrophotographic developer is obtained by incorporating a copolymer obtained by copolymerizing a polyester having at least one terminal unsatd. group, preferably, having a number average mol.wt. of 1,000-15,000, with an olefine or vinyl type monomer in a weight ratio of 1:(9-7):3, as a binder. When needed, an electrostatic charge controller, such as alloy complex dyes, a colorant, such as known dyes and pigments, and a fluidity modifier may be added to said developer. |
