Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1986-08-22

1988-01-26

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

427152, 503214, 503226, B41M 518

Patent

active

047217006

ABSTRACT:
A heat-sensitive recording material is disclosed, comprising a heat-sensitive layer containing a normally colorless or slightly colored dye precursor and a compound capable of reacting with the dye precursor to form color, with at least one of the heat-sensitive layer, an interlayer, and a protective layer containing polyvinyl alcohol as an adhesive and a hardener represented by formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom, a halogen atom, a saturated or unsaturated hydrocarbon group containing from 1 to 6 carbon atoms, or a saturated or unsaturated hydrocarbon group containing from 1 to 20 carbon atoms and at least one ether bond.

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