Heat sensitive recording material

Details Heat sensitive recording material Heat sensitive recording material

1989-12-11

1991-01-15

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Identified organic electron acceptor other than phenolic resin

427150, 503225, B41M 518

Patent

active

049853937

ABSTRACT:
A heat sensitive recording material comprising a substrate and a heat sensitive recording layer thereon incorporating a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color when contacted therewith, the recording material being characterized in that, as the color acceptor is used at least one compound of the formula [I] ##STR1## wherein R is an alkylene group having at least one bond selected from the group consisting of ester bond and amido bond in the main chain, R.sub.1 and R.sub.2 are each hydrogen atom, alkyl, cycloalkyl, alkenyl, alkoxyl, hydroxyl or halogen atom.

REFERENCES:
patent: 4502068 (1985-02-01), Taniguchi et al.

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