Process for the production of colored polyurethane foams

Details Process for the production of colored polyurethane foams Process for the production of colored polyurethane foams

1973-12-05

1976-11-30

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

8171, 260 25AK, C08G 1814, C08G 1830

Patent

active

039948358

ABSTRACT:
Dispersions of dyestuffs which contain at least one free amino or hydroxyl group capable of reacting with isocyanates under the conditions of polyaddition and liquids in which the dyes are soluble to an extent less than 2 % are suitable for the production of colored polyurethane foams. The dye dispersions can be added before or during the polyaddition reaction.

REFERENCES:
patent: 3137671 (1964-06-01), Bosshard
patent: 3228780 (1966-01-01), Grelat
patent: 3278486 (1966-10-01), Meek
"Evaluation of Colorants in One-Shot Urethane Foams", Olin, Bulletin 00-44U-7-65, published 7-65; pp. 1 and 2.
"Pigmentation of Flexible Urethane Foam", ICI Technical Information Bulletin, Urethane PC/U.39, Jan. 17, 1963, 9 pages.
"Daltolite Pigment Pastes for Coloring Flexible Urethane Foam", ICI Technical Inf. Bul., PC/U.53; June 22, 1964, 2 pages.

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