| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner binder resin composition that can give an electrophotographic toner excellent in low-temperature fixability, charge stability under high temperature and high humidity conditions, and image density of printed matter, and an electrophotographic toner containing the toner binder resin composition.SOLUTION: Provided is a toner binder resin composition containing an amorphous resin (A) and a crystalline polyester (C). The amorphous polyester (A) contains a composite resin (B) having a polyester resin portion and a vinyl resin portion, and the alcohol component as a raw material of the polyester resin portion contains 16 mol% or more and 70 mol% or less of a propylene oxide adduct of bisphenol A, having an addition molar number of propylene oxide of 3 or more and 6 or less.SELECTED DRAWING: None |
