Process for coloring polyester shaped articles

D - Textiles – Paper – 06 – P

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Process for coloring polyester shaped articles does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for coloring polyester shaped articles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for coloring polyester shaped articles will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1318043

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.