Color developing sheet for pressure-sensitive recording systems

Details Color developing sheet for pressure-sensitive recording systems Color developing sheet for pressure-sensitive recording systems

1978-06-30

1981-03-24

Lieberman, Allan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 297T, 428307, 428483, 526303, 526304, 526317, 526318, C08L 4700

Patent

active

042579350

ABSTRACT:
A color developer sheet sensitized in a color developing property on contact with a chromogenic material and improved in the light-resistance of the developed color, which comprises a support sheet and a coating composition comprising an organic color developer and, as a binder, a latex of a copolymer prepared by polymerization of a mixture essentially consisting of about 20 to 70% by weight of one or more aliphatic conjugated diolefin monomers, about 0.5 to 15% by weight of one or more unsaturated carboxylic acid monomers and about 15 to 79.5% by weight of one or more other olefin monomers copolymerizable with them and having a gel content of about 95 to 100% by weight applied onto a surface of the said support sheet to make a color developer layer.

REFERENCES:
patent: 3164484 (1965-01-01), Lazzarini
patent: 3297615 (1967-01-01), Frazier et al.
patent: 3365410 (1968-01-01), Wesslau et al.
patent: 3385728 (1968-05-01), Walsh
patent: 3697323 (1972-10-01), Brown et al.
patent: 3779800 (1973-12-01), Heiser
patent: 3825432 (1974-07-01), Futaki et al.
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patent: 3966661 (1976-06-01), Feast et al.
patent: 3970629 (1976-06-01), Izaki et al.
patent: 4001163 (1977-01-01), Mather et al.
patent: 4138522 (1979-02-01), Ishizuka et al.
Hackh's Chemical Dictionary, Fourth Edition, McGraw Hill, 1969, pp. 218& 472.

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