Thiophene base colorants useful for coloring thermoset resins

Details Thiophene base colorants useful for coloring thermoset resins Thiophene base colorants useful for coloring thermoset resins

1988-05-17

1990-03-27

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534735, 534753, 534787, 534788, 534794, C09B 2901, C09B 29033, C09B 2909, D06P 324

Patent

active

049122037

ABSTRACT:
Thiophene based colorants useful for coloring thermoset resins such as polyurethanes being the formula; ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are selected from halogen, carboxylic acid, alkanoyl, aryloyl, carbocyclic forming polymethylene chains, alkyl, aryl, cyano, thioalkyl, dithioalkyl, thioaryl, dithioaryl, thiocyano, carboxyalkyl, carboxyaryl, amidoalkyl, amidodialkyl, amidoaryl, amidodiaryl, oxyalkyl, thioamidoalkyl, thioamidodialkyl, or hydrogen when an adjacent group is isobutyryl; R.sub.4, R.sub.5, and R.sub.7 are selected from hydrogen alkyl, oxyalkyl, sulfonamidoalkyl, sulfonamidoaryl, amidoalkyl, amidodialkyl, amidoaryl, amidodiaryl, halogen, thioalkyl and thioaryl; and R.sub.8 and R.sub.9 are selected from polyalkylene oxide, copolymers of polyalkylene oxides, and hydroxyalkylenes.

REFERENCES:
patent: 2827450 (1958-03-01), Towne et al.
patent: 3994483 (1976-11-01), Wolf et al.
patent: 4113372 (1978-09-01), Hauser et al.
patent: 4132284 (1979-01-01), Hugl et al.
patent: 4264495 (1981-04-01), Maher et al.
patent: 4284729 (1981-08-01), Cross et al.
patent: 4601725 (1986-07-01), Keller et al.
patent: 4775748 (1988-10-01), Kluger et al.

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