| abstract |
A toner for an electrophotographic image forming process or an electrostatic printing process, and a polyester resin for the toner are disclosed. The polyester resin comprises: acid components including aromatic dibasic acid component and trivalent or higher acid component; alcohol components including aliphatic, aromatic or cycloaliphatic diol component, and trihydric or higher alcohol component; poly olefin polyol having number average molecular weight of 1,800 to 2,500 and hydroxyl value of 40 to 55 KOHmg/g; and wax having melting point of 80 to 11O0C, wherein the amount of the poly olefin polyol is 0.1 to 2 weight% and the amount of the wax is 0.5 to 15 weight% with respect to the total polyester resin. |