Patent ID: 9141012
Filing Date: 2015-09-22
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 including a segment capable of forming a crystal structure and a crystal nucleating agent segment, which is bonded to an end of the polyester portion, the polyester resin A is a crystalline polyester resin, the crystal nucleating agent segment 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, and the polyester resin B is a resin which is free of any segments capable of forming a crystal structure, a THF soluble matter of the polyester resin B has a weight average molecular weight Mwb of 3000 or more and 100000 or less, and wherein: when an SP value of the polyester portion of the polyester resin A is represented by Sa ((cal/cm