Thermal transfer ink and thermal transfer element using the same

Compositions: coating or plastic – Coating or plastic compositions – Marking

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106 22H, 106 23A, 4284884, C09D 1112

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active

054218730

ABSTRACT:
A thermal transfer ink comprising a coloring agent and a heat-meltable vehicle containing a wax component, the wax component containing not less than 15% by weight of a wax, the wax being a reaction product obtained by reacting an alcohol mixture of a straight-chain aliphatic primary monohydric alcohol having 10 to 22 carbon atoms and 1 to 50% by mole, on the basis of the amount of the alcohol mixture, of an aliphatic polyhydric alcohol with tolylene diisocyanate in a ratio of NCO/OH=0.8 to 1.0 by mole. A thermal transfer element is also disclosed wherein on a support is provided a thermal transfer ink layer formed from the thermal transfer ink by a solvent coating method.

REFERENCES:
patent: 4612052 (1986-09-01), Schwartz
patent: 4636258 (1987-01-01), Hayashi et al.
patent: 5008152 (1991-04-01), Mikamo et al.
patent: 5151120 (1992-09-01), You et al.
Patent Abstracts of Japan, vol. 13, No. 360 (M-858), published Aug. 11, 1989 citing Japanese patent 01,118,484, published May 10, 1989.
Patent Abstracts of Japan, vol. 13, No. 234 (M-832), published May 30, 1989 citing Japanese patent 01,047,585, published Feb. 22, 1989.

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