Water-soluble polymers with a water-soluble backbone and...

C - Chemistry – Metallurgy – 08 – F

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C08F 20/56 (2006.01) A61K 8/91 (2006.01) A61Q 19/00 (2006.01) C08F 16/12 (2006.01) C08F 22/38 (2006.01) C08F 290/04 (2006.01) C08F 290/06 (2006.01)

Patent

CA 2386016

Water-soluble polymers comprising a water-soluble backbone and side units having in water a lower critical solution temperature, LCST, the said polymers being able to be obtained by free-radical precipitation polymerization of water-soluble monomers and of macromonomers comprising a unit with an LCST whose heat-induced demixing temperature in aqueous solution is from 5 to 40°C for a concentration by mass in water of 1% of the said unit. Process for preparing these polymers by free-radical precipitation polymerization. Aqueous compositions containing these polymers and use of these polymers and compositions, especially in cosmetics, for the cleansing and/or making up and/or care and/or antisun protection of keratin materials.

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