The use of polyether hydroxycarboxylate copolymers in...

D - Textiles – Paper – 06 – M

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D06M 15/263 (2006.01) C02F 5/10 (2006.01) C11D 3/37 (2006.01) C11D 3/38 (2006.01) D01C 3/00 (2006.01) D06L 1/14 (2006.01) D06L 3/02 (2006.01) D06M 11/40 (2006.01) D06M 15/53 (2006.01) D06P 1/613 (2006.01)

Patent

CA 2293058

The use of polyether hydroxycarboxylate copolymers in textile manufacturing and treating processes. The polyether hydroxycarboxylate copolymer has the structure (see formula I) wherein M+ is a cation wherein M is independently selected from the group consisting of hydrogen, ammonia, alkali metals, alkaline earth metals, zinc, copper, organic amines, amino acids, and amino saccharides; R1 is the residue of an ethylenically unsaturated comonomer having at least one functional group which is selected from the group consisting of carboxylic acid, sulfonic acid and phosphonic acid; R2 and R3 are independently selected from the group consisting of hydrogen, and a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms; n is from about 2 to about 100; x1 and x2 are independently 0 or 1; a is from 0 to 100 mole percent; and b is from 100 to 0 mole percent, provided that (a + b) is 100 mole percent. The copolymers chelate heavy metal ions forming soluble complexes which help stabilize bleach, reduce scale, prevent redeposition of particulate soils, prevent deposition of metals, and disperse dyes.

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