Thermosensitive recording material

Details Thermosensitive recording material Thermosensitive recording material

1984-11-09

1986-02-18

Hess, Bruce H.

Recorders

Record receiver deforming

346217, 346225, 346226, 427150, 427151, 427152, B41M 522

Patent

active

045716056

ABSTRACT:
A thermosensitive recording material which comprises a support material and a thermosensitive color-forming layer formed on the support material, comprising a colorless or light-colored leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, is disclosed, in which the color developer is 4-hydroxydimethylphthalate or a first bisphenol derivative of the formula (I) ##STR1## wherein n is an integer of 1 or 2, and there is interposed between the support material and the thermosensitive color-forming layer an undercoated layer comprising a second bisphenol derivative of the formula (II), ##STR2## wherein X represents halogen, Y represents --SO.sub.2 --or-- ##STR3## m is an integer of 1 or 2, and the substitution positions of Xm in the benzene rings are symmetrical with respect to Y.

REFERENCES:
patent: 4498091 (1985-02-01), Yamato et al.
patent: 4502068 (1985-02-01), Taniguchi et al.
patent: 4506278 (1985-03-01), Sakamoto et al.
patent: 4511910 (1985-04-01), Taniguchi et al.

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