Heat-sensitive color-forming recording material and process for

Details Heat-sensitive color-forming recording material and process for Heat-sensitive color-forming recording material and process for

1983-06-23

1984-07-10

Hess, Bruce H.

Recorders

Record receiver deforming

428913, 428323, B41M 518

Patent

active

044593368

ABSTRACT:
Disclosed is a heat-sensitive color-forming recording material which comprises a recording layer comprising a particulate phenolic color developer and a particulate leuco pigment, which are dispersed in a binder independently from each other, wherein the phenolic color developer and/or leuco pigment is present in the form of compatible solid particles with a substantially inactive organic solid medium having a melting or softening point lower than that of the phenolic color developer and/or leuco pigment and said organic solid medium is present in said compatible solid particles in an amount 2 to 250 times as large as the amount of the phenolic color developer and/or leuco pigment on the weight base.
This heat-sensitive color-forming recording material is highly sensitized without substantial increase of the fog density.

REFERENCES:
patent: 4032690 (1977-06-01), Kohmura et al.
patent: 4236732 (1980-12-01), Murakami et al.
patent: 4287264 (1981-09-01), Marginean
patent: 4295888 (1981-10-01), Greenwood et al.

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