Pressure- and heat-sensitive coatings

Details Pressure- and heat-sensitive coatings Pressure- and heat-sensitive coatings

1977-12-19

1979-06-19

Nielsen, Earl A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 19, 106171, 106243, 260 17R, 260 18R, 260 21, 260 23R, 260 23AR, 282 275, 428488, C08L 3104, C08L 3102, C08L 6124

Patent

active

041586484

ABSTRACT:
A composition for forming pressure- and heat-sensitive coatings comprising finely divided organic material of particle size from about 0.05 to 10 micrometers in diameter having a melting point above about 150.degree. C., the particles being of substantially uniform color and subject to plastic flow by heat or pressure, and a liquid carrier normally including a binder dispersed in the carrier to give a thixotropic gel. The composition optionally includes water-soluble or dispersible dye or a pigment uniformly dispersed in said particles. A method of preparing the compositions comprises precipitating the solid organic material in water, normally incorporating a binder, and optionally incorporating coloring material into the organic material to form a gel-type paste.

REFERENCES:
patent: 1293983 (1919-02-01), Thomas
patent: 1819078 (1931-08-01), DE Waele
patent: 1830980 (1931-11-01), Carr
patent: 2313808 (1943-03-01), Dalton
patent: 2313810 (1943-03-01), Dalton
patent: 3619157 (1971-11-01), Brinckman
patent: 3967034 (1976-06-01), Meadus et al.

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