Terephthalate ester copolymers and their use in laundry...

Details Terephthalate ester copolymers and their use in laundry... Terephthalate ester copolymers and their use in laundry...

C - Chemistry, Metallurgy

08

G

402/207

C08G 63/66 (2006.01) C08G 63/672 (2006.01) C11D 1/86 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01)

Patent

CA 1297625

TEREPHTHALATE ESTER COPOLYMERS AND THEIR USE IN LAUNDRY COMPOSITIONS Abstract Terephthalate ester copolymer useful as soil release agent in detergent and fabric conditioning compositions and articles. The copolymer has the general formula Z-[(T-PO)u(T-PEG)v]-T-Z1 I wherein Z and Z1 are chain terminating moieties having the empirical formula II (PEG1-x)a(PO-H)b(PEG-H)c II wherein PEG and PEG1 are identical or different poly(oxyethylene)oxy moieties each having a molecular weight in the range from about 300 to about 6000; X is C1-C4 alkyl or acyl containing from 1 to 4 carbon atoms in the alkyl moiety; T is a terephthaloyl moiety; PO is oxypropyleneosy; u is from about 0.5 to about 50; v is from about 0.05 to about 20; a is from about 0.2 to about 0.95; b is from 0 to about 0.8; c is from 0 to about 0.8; and b+c is at least about 0.05; wherein u, v, a, b, c represent the average number of the corresponding units; and wherein the T-PO and T-PEG units are randomly distributed along the terephthalate ester backbone.

554212

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