Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1991-10-30
1993-03-23
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
427152, 503200, 503226, B41M 540
Patent
active
051963949
ABSTRACT:
A heat-sensitive recording material having a superior resistance against water, plasticizers, and oily substances, is provided with a heat-sensitive color-forming layer formed on a surface of a substrate sheet and comprising a dye precursor, a color-developing agent, and a binder; and a protecting layer formed on the heat-sensitive color-forming layer and comprising (A) a polyvinylalcohol resin, (B) a water-soluble cross-linking agent, (C) at least one organic boron-containing polymer of the formula (I): ##STR1## and optionally (D) an acetoacetylated polyvinylalcohol resin.
REFERENCES:
patent: 4614956 (1986-09-01), Miyauchi
patent: 5093304 (1992-03-01), Nakazawa et al.
Nakazawa Atsushi
Shin Yoichi
Shinohara Hideaki
Tomino Yoshitaka
Oji Paper Co. Ltd.
Schwartz Pamela R.
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