| abstract |
PROBLEM TO BE SOLVED: To provide a polyester resin for toner and a toner which have both low temperature fixing property and hot offset resistance, have uniform pigment dispersion in toner, and are excellent in durability, charging stability and image quality stability. . SOLUTION: A polyol component and a polycarboxylic acid component are polycondensed, and an unreacted trifunctional or higher functional aromatic polycarboxylic acid, a trifunctional or higher aromatic polycarboxylic acid anhydride, and a trifunctional or higher aromatic. Polyester resin for pulverized toner containing polyester resin (A) containing 200-10000 ppm of one or more (b) selected from lower alkyl (carbon number 1-4) esters of group polycarboxylic acid, and toner containing the same Composition. [Selection figure] None |