Coloring of thermoplastics

US4264488A · kind A · utility

Assignee

• BASF SE

Inventors

• Paul Guenthert · Schifferstadt, DE
• Georg Henning · Ludwigshafen, DE

Key dates

• Filing date: Oct 15, 1979
• Grant date: Apr 28, 1981
• Expiry date: Oct 15, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/42
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

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.