Silicone-modified water-absorbing polymer particles and...

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 77/04 (2006.01) A61K 8/895 (2006.01) A61K 8/896 (2006.01) A61K 8/897 (2006.01) A61Q 1/02 (2006.01) A61Q 1/12 (2006.01) A61Q 15/00 (2006.01) B01J 20/32 (2006.01) C08F 8/42 (2006.01) C08G 77/20 (2006.01) C08J 3/12 (2006.01)

Patent

CA 2386269

This invention provides water-absorbing polymer particles suitable particularly for cosmetics, wherein silicone can be stably present on the surface of a water-absorbing polymer even in various formulations thereby giving dry feeling in use even after water absorption. The silicone-modified water-absorbing polymer particles of this invention comprises water-absorbing polymer particles coated thereon via chemical bonding, with a silicone compound having at least one functional group.

La présente invention concerne des particules de polymère hydrophile particulièrement adaptées aux produits cosmétiques. La silicone peut être présente de façon stable sur la surface d'un polymère hydrophile, même dans diverses formulations, donnant ainsi une sensation sèche durant l'application, même après l'absorption de l'eau. Selon la présente invention, les particules de polymère hydrophile modifié à la silicone prévues comprennent des particules de polymère hydrophile revêtues par un liage chimique, doté d'un composé de silicone ayant au moins un groupe fonctionnel.

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