Abstract: The invention relates to an aqueous dispersion of microcapsules, said microcapsules comprising a hydrophobic core and a polymeric shell wherein said polymeric shell is formed of the reaction product of (i) at least one monofunctional or multifunctional ?,?-unsaturated carbonyl compound, and (ii) at least one nanocellulose or microcrystalline cellulose. The invention also relates to a process for the manufacture of such an aqueous dispersion, as well as consumer products containing an aqueous dispersion of microcapsules according to the invention.

Abstract: The invention relates to an aqueous dispersion of microcapsules, said microcapsules comprising a hydrophobic core and a polymeric shell wherein said polymeric shell is formed of the reaction product of (i) at least one monofunctional or multifunctional ?,?-unsaturated carbonyl compound, and (ii) at least one nanocellulose or microcrystalline cellulose. The invention also relates to a process for the manufacture of such an aqueous dispersion, as well as consumer products containing an aqueous dispersion of microcapsules according to the invention.

Abstract: The invention concerns a method for preparing a grafted copolymer by polyunsaturated fatty acids in aqueous phase. The invention also concerns a grafted copolymer by polyunsaturated fatty acids obtainable by said method and its uses as binder in coating compositions and in particular in decorative or industrial painting compositions, in adhesive compositions or in mineral binder compositions.

Abstract: The present invention concerns the use, in the surface treatment of waterproofed wood, of an aqueous dispersion comprising at least one latex obtained by emulsion polymerization of a mixture of monomers comprising at least one acrylic monomer B comprising at least one ureido function.

Abstract: The Invention concerns a latex with modified surface properties obtainable by a method which consists in adding a water soluble amphiphilic copolymer in a aqueous dispersion of a water-insoluble polymer obtained from ethylenically unsaturated monomers.

Abstract: The present invention relates to a latex with modified surface chemistry, which may be obtained by carrying out a free-radical emulsion polymerization in the presence of at least one ethylenically unsaturated monomer or at least one polymer containing residual ethylenically unsaturated bonds, of at least one free-radical polymerization initiator, of at least one water-soluble and/or water-dispersible monoblock, diblock or triblock polymer comprising at its end an active group capable of forming a radical, chosen from dithioesters, xanthates, thioether-thiones and diothiocarbamates. The invention similarly relates to redispersible powders that may be obtained by drying the said latices.

Abstract: The present invention relates to a latex with modified surface chemistry, which may be obtained by carrying out a free-radical emulsion polymerization in the presence of at least one ethylenically unsaturated monomer or at least one polymer containing residual ethylenically unsaturated bonds,of at least one free-radical polymerization initiator,of at least one water-soluble and/or water-dispersible monoblock, diblock or triblock polymer comprising at its end an active group capable of forming a radical, chosen from dithioesters, xanthates, thioether-thiones and diothiocarbamates. The invention similarly relates to redispersible powders that may be obtained by drying the said latices.

Abstract: The present invention relates to aqueous dispersions of water-insoluble polymers obtained from the polymerization of a mixture of monomers comprising: at least one unsaturated heterocyclic monomer (A): comprising at least one nucleophilic hetero atom, containing at least one exocyclic ethylenic unsaturation, and whose heterocycle comprises at least one ethylenic unsaturation, and optionally at least one ethylenically unsaturated functionalized monomer (B) and/or an aromatic monomer containing at least one exocyclic ethylenic unsaturation. The invention also relates to the use of these aqueous dispersions of polymers in processes for crosslinking latices obtained from the polymerization: of a monomer containing ethylenic unsaturation (D), and of an ethylenically unsaturated monomer containing an epoxide function (E), and/or of a polymer containing an epoxide function (EP).

Abstract: The invention concerns a novel binder for aqueous coating composition, comprising: at least a latex (A) prepared from ethylenically unsaturated monomers and having a carboxylic acid function, and at least a latex (B) prepared from ethylenically unsaturated monomers and havinging an epoxide function, and for which said latex particle size is not more than 50 nm.

Abstract: A water-redispersible powder composition comprising: at least a water-soluble film forming polymer, the polymer being prepared from at least an ethylenically unsaturated monomer; and at least a naphthalenesulphonate.

Abstract: The present invention relates to a water-redispersible powder based on film-forming polymers which are substantially water-insoluble and which are prepared by aqueous emulsion polymerization of monomers containing ethylenic unsaturation and with a “core/shell” structure comprising a hydrophobic core based on a polymer exhibiting a Tg (glass transition temperature) of between −30 and 25° C., preferably between −10 and 20° C., and a shell, the shell being bonded to the core by covalent bonds resulting from the reaction of an agent for grafting the shell onto the ethylenic unsaturations remaining in the core, characterized in that the shell is prepared by emulsion polymerization, on the core particles, of a mixture of monomers comprising at least one monomer chosen from styrene and a C1-C12 alkyl acrylate or methacrylate, at least one monomer carrying a saccharide group and exhibiting at least one ethylenic unsaturation, and at least one grafting agent.

Abstract: 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.