Patent ID: 8709692

Claim:
A polyester resin for a toner which is a polycondensate of a carboxylic acid component and an alcohol component including rosin diol that is represented by the following formula (1) and has an alicyclic structure (alicyclic alcohol), wherein in the formula (1), R 1 and R 2 each independently represents hydrogen or a methyl group, L 1 represents a divalent linking group having an alicyclic structure, L 2 and L 3 each independently represents a divalent linking group selected from a group consisting of a carbonyl group, a carboxyl group, an ether group, a sulfonyl group, a chain-like alkylene group which may have a substituent, a cyclic alkylene group, a phenylene group, and combinations thereof, and A 1 and A 2 represent a rosin ester group, provided that the divalent linking group having the alicyclic structure represented by L 1 may be a divalent linking group having an alicyclic structure formed through linking with any of R 1 , R 2 , L 2 or L 3 .