Branched/block copolymers for treatment of keratinous...

C - Chemistry – Metallurgy – 08 – F

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C08F 265/04 (2006.01) C08F 291/00 (2006.01) A61K 7/06 (2000.01)

Patent

CA 2356751

A block copolymer for hair styling compositions includes hydrophilic and hydrophobic blocks which allow for optimization of desirable characteristics of the hair styling composition, such as style retention at high humidity, tack, hardness, resistance to flaking, and washability from the hair. The copolymer includes a polyacrylate backbone of hydrophobic blocks, with hydrophilic acrylate side chains. The copolymer is suitable for the formulation of a number personal care, household, hair care, skin care and other formulation. The copolymer is suited to incorporation into low VOC hydra- alcoholic hair styling compositions to meet reduced VOC, regulations.

L'invention concerne un copolymère séquencé pour des compositions de coiffure, comprenant des séquences hydrophiles et hydrophobes qui permettent l'optimisation des caractéristiques souhaitables desdites compositions de coiffure, telles que la bonne fixation des cheveux à une humidité à teneur élevée, le poissage, la dureté, la résistance à la desquamation, la lavabilité des cheveux. Ce copolymère comprend un squelette polyacrylate de séquences hydrophobes, avec des chaînes latérales d'acrylate hydrophile. Le copolymère convient pour la formulation d'un certain nombre de soins personnel et domestique, de soins pour les cheveux, de soins de la peau et autre. Ledit copolymère est conçu pour être incorporé dans des compositions de coiffure hydroalcoholiques comprenant peu de composés organiques volatils (VOC), afin de satisfaire à la réglementation sur la réduction desdits composés organiques volatils.

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