Hair fixative amphoteric polymer composition

A - Human Necessities – 61 – K

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A61K 8/81 (2006.01) A61K 8/04 (2006.01) A61Q 5/06 (2006.01)

Patent

CA 2193727

An amphoteric, hair fixative polymer for use in hair sprays, gels, and the like contains 40-90 percent of a hydroxyl-containing ethylenically unsaturated monomer, 1-20 percent of an acid-containing ethylenically unsaturated monomer, and 1-20 percent of an amine-containing ethylenically unsaturated monomer. The polymer has hydroxyl, acid and amine functionalities and, while being insoluble in water, can be solubilized in water by the use of amine neutralizers, acidic neutralizers, or by solubilizing in alcohol-water mixtures. The polymers provide hair fixatives that are fast drying, and have excellent curl retention with low curl droop.

Polymère amphotère constitutif de produits fixateurs pour cheveux, tels que des laques, gels et autres, comportant entre 40 et 90 % d'un monomère à base d'hydroxyle non saturé en éthylène, de 1 à 20 % d'un monomère à base d'acide non saturé en éthylène, et de 1 à 20 % d'un monomère à base d'amine non saturé en éthylène. Ledit polymère qui présente les fonctionnalités hydroxyle, acide et amine est insoluble dans l'eau; il peut cependant être rendu soluble dans l'eau à l'aide de neutralisants aminés ou acides, ou se dissoudre dans des mélanges d'alcool et d'eau. Ce polymère constitue un fixateur pour cheveux à séchage rapide, maintenant parfaitement les ondulations et retardant leur affaissement.

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