C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/9114
C08K 5/17 (2006.01) C08L 57/00 (2006.01)
Patent
CA 2243323
A water-redispersible powder composition comprising (a) 100 parts by weight of a powder consisting of a water-insoluble film-forming polymer prepared from at least one ethylenically unsaturated monomer and at least one monomer selected from monomers having a carboxylic function and acrylamide or methacrylamide, and (b) 2-40 parts by weight and preferably 8-22 parts by weight of at least one amino acid or a salt thereof. A method for preparing said composition and the use thereof are also disclosed.
La présente invention concerne une composition pulvérulente redispersable dans l'eau et comportant: a) 100 parties en poids d'une poudre de polymère filmogène insoluble dans l'eau et préparé à partir d'au moins un monomère à insaturation éthylénique et au moins un monomère choisi parmi le monomères à fonction carboxylique et l'acrylamide ou le méthacrylamide, b) 2 à 40 parties en poids, de préférence 8 à 22 parties en poids, d'au moins un acide aminé ou un de ses sels. Elle concerne également le procédé de préparation de cette composition et son utilisation.
Bett William
Colombet Jean-Francois
Rhodia Chimie
Robic
LandOfFree
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