Coloring of thermoplastics

Details Coloring of thermoplastics Coloring of thermoplastics

1979-10-15

1981-04-28

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 500

Patent

active

042644887

ABSTRACT:
The use of a compound of the general formula I ##STR1## where D is a radical of one of the formulae II a-c ##STR2## and M.sup..sym. is Li.sup..sym., Na.sup..sym., K.sup..sym. or NH.sub.4.sup..sym., for coloring of thermoplastics.
The colorations obtained are surprisingly fast.

REFERENCES:
patent: 2225665 (1940-12-01), Siegel
patent: 2765300 (1956-10-01), Hein et al.
patent: 2821525 (1958-01-01), Waitkins et al.
patent: 4115377 (1978-09-01), Putney

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