Dye solvents for pressure-sensitive record material

Details Dye solvents for pressure-sensitive record material Dye solvents for pressure-sensitive record material

1973-08-30

1976-07-06

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of carbohydrate

427145, 427149, 427150, 427261, 428454, B41M 516

Patent

active

039683206

ABSTRACT:
Benzyl aryl ethers are useful solvents for chromogenic materials in preparing pressure-sensitive record material wherein a colorless or substantially colorless chromogen is reacted in the presence of a benzyl aryl ether solvent with an acidic sensitizing material to form a colored mark in a pattern determined by the application of localized pressure to the record material. The benzyl aryl ether solvents are heat stable and give particularly fast color development on phenolic resin coated papers.

REFERENCES:
patent: 2394688 (1946-02-01), Heyman
patent: 3244550 (1966-04-01), Farnham et al.

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