John Warren Cross

US Patent:

42847290, Aug 18, 1981

Filed:

Mar 31, 1980

Appl. No.:

6/135402

Inventors:

John P. Cross - Spartanburg SC
George H. Britton - Spartanburg SC

Assignee:

Milliken Research Corporation - Spartanburg SC

International Classification:

C08G 1814

US Classification:

521158

Abstract:

A process is provided for coloring thermosetting resins, made by polyaddition reaction of a nucleophile with an electrophile, with a polymeric liquid reactive coloring agent suitable for incorporation in the resin with the formation of covalent bonds, said coloring agent having the formula: R-(polymeric constituent-X). sub. n wherein R is an organic dyestuff radical; the polymeric constituent is selected from polyalkylene oxides and copolymers of polyalkylene oxides in which the alkylene moiety of the polymeric constituent contains 2 or more carbon atoms and such polyeric constituent has a molecular weight of from about 44 to about 1500; and n is an integer of from 1 to about 6; and X is selected from --OH, --NH. sub. 2 and --SH, said coloring agent being added in an amount sufficient to provide coloration of said thermosetting resin.