D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
8/3
D06P 3/52 (2006.01) C09B 69/00 (2006.01) D06M 14/14 (2006.01) D06P 5/20 (2006.01)
Patent
CA 1288905
Abstract of the Disclosure A process is provided for the coloration of a preformed polyester resin shaped article having improved dye migration properties, which comprises: (a) coloring said article with a coloring agent in an amount sufficient to provide coloration to said shaped article; said coloring agent having the formula R-(polymeric constituent-X)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 polymer constituent has a molecular weight of from about 132 to about 5000; and n is an integer of from 1 to about 12, and X is selected from -OH. -NH2, -SH, -OCOR1, -CO2H, -CO2R1, -SO3H, -SO3R1 phosphate, phosphonite, urea, urethane, alkoxyl and alkoxide, wherein R1 is a lower alkyl group containing from 1 to about 6 carbon atoms; and (b) grafting said coloring agent to said article by heating said article to a temperature below a temperature at which said article will melt, but to a high enough temperature and for a period of time sufficient to achieve grafting of said coloring agent to said article.
537478
Kimbrell William C. Jr.
Rekers John W.
Gowling Lafleur Henderson Llp
Kimbrell William C. Jr.
Milliken Research Corporation
Rekers John W.
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