Heat-sensitive recording materials

Details Heat-sensitive recording materials Heat-sensitive recording materials

1986-09-12

1988-05-10

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Identified reactant isolating material or capsule wall...

427150, 427151, 503225, B41M 518

Patent

active

047435801

ABSTRACT:
A heat-sensitive recording material comprises a sheet substrate applied thereon with a heat-sensitive, color-developing layer containing as the main components a colorless or light-colored leuco dye, a developer for permitting said dye to develop a color by heating and a binder, in which the binder used is an ammonium salt of a diisobutylene/maleic anhydride copolymer is expressed in terms of the following general formula: ##STR1## wherein R stands for a diisobutylene group a part of said ammonium salt being substituted and modified by an ammonium salt comprising a primary, secondary or tertiary ethanol amine.

REFERENCES:
patent: 4593298 (1986-06-01), Ikeda et al.
patent: 4622566 (1986-11-01), Kasamatsu et al.

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