Heat sensitive recording materials

Details Heat sensitive recording materials Heat sensitive recording materials

1987-10-08

1989-04-11

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Having nonreactant particles of defined size

427152, 428331, 428446, 428452, 428913, 428914, 503200, 503215, 503226, B41M 518

Patent

active

048206822

ABSTRACT:
This invention discloses a heat sensitive recording material having excellent transparency and anti-scratch property, which comprises on a support a heat sensitive layer and a protective layer successively, in which said heat sensitive layer is prepared by coating a composition containing an emulsified dispersion prepared by dispersing a color developer dissolved into an organic solvent slightly soluble or insoluble in water and microcapsules containing a colorless or light colored electron donating dye precursor and then drying the coat, and said protective layer is comprised of at least a modified polyvinylalcohol with silicon and a colloidal silica; a preferred mixing ratio of the modified polyvinylalcohol with silicon to the colloidal silica is 0.5-3 calculated by parts by weight.

REFERENCES:
patent: 4583103 (1986-04-01), Hayashi et al.

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