FIELD: chemistry.
SUBSTANCE: invention relates to toner composition, image-forming component, containing said composition, developer and method for obtaining toner particle. Toner composition contains at least one polyester resin and one or more than one component, selected from colouring substance, wax, amorphous polyester resin, crystalline polyester resin, surfactant, initiator, catalyst or coagulant. Polyester resin in its turn includes a) polybasic acid or polyester, b) organic polyol and c) biopolyol.
EFFECT: increased degree of branching, cross-linking or simultaneously branching and cross-linking in the process of toner obtaining due to application of biopolyol.
19 cl, 3 tbl, 4 ex
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