C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
403/14, 400/5219
C08J 3/20 (2006.01) C08G 18/38 (2006.01) C08G 18/50 (2006.01) C08G 85/00 (2006.01) C08L 63/00 (2006.01) C08L 67/00 (2006.01) C08L 75/04 (2006.01)
Patent
CA 1147490
PROCESS FOR COLORING THERMOSETTING RESINS Abstract Of The Disclosure A process is provided for coloring thermosetting resins, made by polyaddition reaction of a nucleophile with an electro- phile, 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)n wherein R is an organic dyestuff radicals the polymeric con- stituent is selected from polyalkylene oxides and copolymers of polyalkylene oxides in which the alkylene moiety of the poly- meric constituent contains 2 or more carbon atoms and such polymeric 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, -NH2 and -SH, said coloring agent being added in an amount sufficient to provide coloration of said thermosetting resin.
373817
Britton George H.
Cross John P.
Gowling Lafleur Henderson Llp
Milliken Research Corporation
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