Heat-sensitive thermal transfer recording sheet and system using

Details Heat-sensitive thermal transfer recording sheet and system using Heat-sensitive thermal transfer recording sheet and system using

1987-07-15

1989-04-25

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Plural colors or plural diverse systems

427152, 428913, 428914, 503208, 503217, 503226, B41M 518, B41M 522

Patent

active

048248240

ABSTRACT:
A heat-sensitive thermal transfer recording sheet having a heat-sensitive color-forming layer formed on a front side of a substrate and a thermal transfer layer formed on the back side of the substrate and comprising (a) an aromatic isocyanate compound and (b) an imino compound and (c) a low melting point substance such as wax has a white background and excellent image storability. By adding an electron donating colorless dye and an electron-accepting compound to the thermal transfer layer, the transfer density can be improved.

REFERENCES:
patent: 4703335 (1987-10-01), Hess

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