Heat sensitive recording material

Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified reactant isolating material or capsule wall...

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Details

503225, B41M 530

Patent

active

051734729

ABSTRACT:
The present invention provides a heat sensitive recording material comprising a substrate and a heat sensitive recording layer formed thereon and having incorporated therein a colorless or light-colored basic dye and a color acceptor reactive with the dye when contacted therewith by heating, the heat sensitive recording material being characterized in that the heat sensitive recording layer has incorporated therein a polyvinyl alcohol having an average polymerization degree of at least 1000 and a saponification degree of up to 90 mole %, and a modified starch.

REFERENCES:
patent: 4727054 (1988-02-01), Yuyama et al.

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