Rhodia Chimie

Takasago International Corporation

Lapeyre

William Bett

Dominique Charmot

Jean-Christophe Castaing

Jean-Francois Colombet

Vincent Granier

Jonathan Warr

Tiphaine Ribaut

Jo&euml;l Richard

Laura Le Moue

Jeremy Povazson

Jean-François D'ALLEST

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 α,β-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.

Aqueous dispersion of microcapsules, and uses thereof

Aqueous polymer dispersions based on unsaturated heterocyclic monomers and use in crosslinking processes

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.

Latex binder for coating composition

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.

Water-redispersible film-forming polymer powders prepared from ethylenically unsaturated monomers and containing naphthalenesulphonates

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 &ldquo;core/shell&rdquo; structure comprising a hydrophobic core based on a polymer exhibiting a Tg (glass transition temperature) of between &minus;30 and 25&deg; C., preferably between &minus;10 and 20&deg; 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 C,-C,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.

Water-redispersible powders of film-forming polymers having a core/shell structure

Water-redispersible powders of film-forming polymers prepared from

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Paris, France

William Bett