Two-color thermosensitive recording material

Details Two-color thermosensitive recording material Two-color thermosensitive recording material

1985-11-15

1986-09-23

Hess, Bruce H.

Recorders

Record receiver deforming

346205, 346226, 427151, 427152, B41M 518

Patent

active

046138781

ABSTRACT:
A two-color thermosensitive recording material comprising a support material, a first lower thermosensitive coloring layer and a second upper thermosensitive coloring layer supported on the support material, capable of yielding two different colors, with the coloring temperature for the second thermosensitive coloring layer being lower than that for the first thermosensitive coloring layer, in which at least the second thermosensitive coloring layer contains a basic leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of thermal energy, and a decolorizing agent for decoloring the color developed in the second thermosensitive coloring layer at the time of color development of the first thermosensitive coloring layer is contained in the first thermosensitive coloring layer or in a decolorizing intermediate layer interposed between the first thermosensitive coloring layer and the second thermosensitive layers, which decolorizing agent is a di-substituted aromatic diamide derivative or a piperazine derivative including two acylamino groups.

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