Tough polymers

Details Tough polymers Tough polymers

A - Human Necessities

61

K

A61K 31/74 (2006.01) A61K 7/11 (2000.01)

Patent

CA 2507230

What is described herein is a tough yet flexible polymer which is polyvinyl alcohol grafted with a water or alcohol soluble monomer. The grafted polymer has strong holding properties and high humidity resistance, which are particularly suitable for use in hair styling and skin care products. The grafted polymer preferably is made in a solvent such as water, alcohol and water-alcohol mixtures, in the presence of an initiator.

L'invention concerne un polymère dur et pourtant flexible, lequel est un alcool polyvinylique greffé avec un monomère hydrosoluble ou soluble dans l'alcool. Ce polymère greffé possède de grandes propriétés de maintien et une grande résistance à l'humidité, qualités particulièrement adaptées à une utilisation dans des produits de coiffure et de soin de la peau. Ce polymère greffé est de préférence fabriqué dans un solvant tel que l'eau, l'alcool ou des mélanges eau-alcool, en présence d'un initiateur.

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