Thermal transfer dyesheet

Details Thermal transfer dyesheet Thermal transfer dyesheet

1989-11-09

1991-04-30

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

8471, 428195, 428913, 428914, B41M 5035, B41M 526

Patent

active

050118153

ABSTRACT:
A method for improving the stability of a color print formed by dye-diffusion thermal transfer printing, comprises placing against the print a panel of transfer coat comprising a dye-absorbant binder which is substantially free from any thermally transferable materials, and heating at least those areas of the print to which one or more dyes have been transferred, thereby to cause absorption by said panel of dye molecules at the surface of the print. This may conveniently be carried out as part of the printing operation by using a dyesheet having a transfer coat comprising a plurality of uniform panels containing different colored thermally transferable dyes held in a dye-absorbant binder, and further panels comprising a dye-absorbant binder which is substantially free from any thermally transferable materials.

REFERENCES:
patent: 4746646 (1988-05-01), Nakanishi et al.

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