Patent ID: 9134637
Filing Date: 2015-09-15
Classification: G03G

Abstract:
1. A toner comprising toner particles, each of which contains a polyester resin A, a polyester resin B and a colorant, wherein the polyester resin A has a polyester portion having a crystalline structure and a crystal nucleating agent portion, which is bonded to an end of the polyester portion, the crystal nucleating agent portion is formed by reacting (i) a compound having a hydrocarbon segment as a principal chain and having one functional group reactive with the end of the polyester portion, with (ii) the end of the polyester portion, the polyester resin B is a resin which does not possess a crystalline structure, in a chart obtained by measuring a molecular weight distribution of a tetrahydrofuran (THF)-soluble matter of the polyester resin B by gel permeation chromatography (GPC), a ratio of a component having a molecular weight of 1500 or less is 5.0% by area or more and 15.0% by area or less, and when an SP value of the polyester portion of the polyester resin A is represented by Sa ((cal/cm