Patent ID: 9239530
Filing Date: 2016-01-19
CPC Classification: G03G

Claim Text:
1. A toner, comprising: a colorant; a binder resin; and a releasing agent, wherein the toner satisfies the following (a) to (c): (a) the toner contains at least a polyester resin as the binder resin; (b) the toner has Tg1st of 25° C. to 50° C.; and (c) the toner has a TMA compressive deformation rate (TMA %) of 10% or lower at 50° C. under a condition having relative humidity of 70%, wherein the Tg1st is glass transition temperature of the toner for first heating, as the toner is measured by a DSC system (a differential scanning calorimeter), and wherein a tetrahydrofuran (THF) insoluble component of the toner has Tg2nd′ of −40° C. to 30° C. as measured by differential scanning calorimeter (DSC), and the THF insoluble component has storage elastic modulus G′ of 10 wherein the polyester resin contains a plurality of polyester resins, and at least one of the polyester resins is a non-crystalline polyester resin containing a diol component as a constitutional component, where the diol component contains C3-C10 aliphatic diol in an amount of 50 mol % or greater, and trivalent or higher acid or trihydric or higher alcohol as a crosslink component, and wherein a number of carbon atoms in a principle chain of the diol component is an odd number, and the diol component has an alkyl group at a side chain thereof.