Thermal transfer sheet having a specific lubricant slipping layer

摘要

A thermal transfer sheet of the present invention has a heat resistant slip layer on its back surface. The heat resistant slip layer comprises organic phosphoric ester derivative represented by the following formula (1) or formula (2) as a lubricant <CHEM> <CHEM> Ä in formulas (1) and (2), each of R<1> to R<6> denotes OCkH2k+1, (OCH2CH2)mOCnH2n+1, (OCH2CH2)mOCOCnH2n+1 or OH; R<7> denotes saturated aliphatic chain, unsaturated aliphatic chain or aromatic chain; "k" denotes integer of 8 to 20; "m" denotes integer of 1 to 10; "n" denotes integer of 1 to 20; and "x" denotes integer of 1 or more Ü <IMAGE>