D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 15/21 (2006.01) C11D 11/00 (2006.01) D06L 1/14 (2006.01) D06L 3/02 (2006.01) D06M 11/40 (2006.01) D06M 15/03 (2006.01) D06M 15/09 (2006.01) D06M 15/227 (2006.01) D06M 15/233 (2006.01) D06M 15/263 (2006.01) D06M 15/27 (2006.01) D06M 15/285 (2006.01) D06M 15/333 (2006.01) D06M 15/353 (2006.01) D06M 15/356 (2006.01) D06M 15/53 (2006.01) D06P 1/48 (2006.01) D06P 1/50 (2006.01) D06P 1/52 (2006.01) D06P 1/613 (2006.01) D06P 5/08 (2006.01) D06P 5/15 (2006.01) D06P 7/00 (2006.01) D06P 1/16 (2006.01) D06P 1/22
Patent
CA 2326569
A method to prevent the backstaining of denim during a stonewashing process comprising treating the denim with a solution or dispersion of a hydrophobically modified polymer having a hydrophilic backbone and at least one hydrophobic moiety, wherein said hydrophilic backbone is prepared from at least one monomer selected from the group consisting of ethylenically unsaturated hydrophilic monomer selected from the group consisting of unsaturated C1-C6 acid, amide, ether, alcohol, aldehyde, anhydride, ketone and ester; polymerizable hydrophilic cyclic monomer; non-ethylenically unsaturated polymerizable hydrophilic monomer which is selected from the group consisting of glycerol and other polyhydric alcohols; and combinations thereof, wherein said hydrophilic backbone is optionally substituted with one or more amino, amine, amide, sulfonate, sulfate, phosphonate, hydroxy, carboxyl or oxide groups; wherein said hydrophobic moiety is prepared from at least one hydrophobic monomer or a chain transfer agent, said hydrophobic monomer is selected from the group consisting of a siloxane, saturated or unsaturated alkyl and hydrophobic alkoxygroup, aryl and aryl-alkyl group, alkyl sulfonate, aryl sulfonate, and combinations thereof, and said chain transfer agent has 1 to 24 carbon atoms and is selected from the group consisting of a mercaptan, amine, alcohol, and combinations thereof, wherein said hydrophobically modified polymer is present in an amount of from 0.001 to 50 weight percent, based on the total weight of the solution or dispersion.
National Starch And Chemical Investment Holding Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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