Branched/block copolymers for treatment of keratinous...

Details Branched/block copolymers for treatment of keratinous... Branched/block copolymers for treatment of keratinous...

C - Chemistry, Metallurgy

08

F

C08F 265/04 (2006.01) A61K 8/90 (2006.01) A61Q 5/06 (2006.01) C08F 291/00 (2006.01) C08F 293/00 (2006.01) C08L 51/00 (2006.01) C08L 53/00 (2006.01)

Patent

CA 2412260

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 flow onto the hair, prevention of curl droop, style retention at high humidity, tack, hardness, resistance to flaking, restylability, volumizing, 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 of personal care, household, hair care, skin care and other formulations. The copolymer is suited to incorporation into low VOC hydro-alcoholic hair styling compositions to meet reduced VOC regulations.

L'invention concerne un copolymère séquencé destiné à des compositions coiffantes, comprenant des séquences hydrophiles et hydrophobes permettant d'optimiser certaines caractéristiques désirées de la composition coiffante. En l'occurrence, la composition fond dans la chevelure, n'alourdit pas les cheveux, permet une bonne tenue même par temps très humide, ne colle pas, n'est pas rigide, n'entraîne pas de résidus, est résistante, donne du volume, et est facile à rincer. Ce copolymère comprend un squelette composé de séquences hydrophobes comprenant des chaînes latérales d'acrylate hydrophiles. Le copolymère convient dans la mise au point d'un grand nombre de formulations destinées à des produits de soins personnels, ménagers, de soins capillaires, de soins de la peau et analogues. Ce copolymère peut être incorporé dans des compositions coiffantes aqueuses à base d'alcool, à faible teneur en composés organiques volatiles, pour satisfaire aux réglementations en matière d'émissions de VOC.

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