Abstract: A dispersing agent may be suitable for an aqueous composition, in particular for dispersing a mineral material in the form of particles. Such a dispersing agent may include a dispersing polymer combined with an osidic derivative or a derivative of saccharide origin. An aqueous composition may include such a dispersing agent and a mineral material in the form of particles.

Abstract: A thickening urethane copolymer including in polymerized form a cyclohexanol substituted by a linear or branched C4-C24-alkyl group or by a linear or branched C4-C24 alkylene group and a method of its preparation. The thickening urethane copolymer is used in aqueous compositions, in particular in coating compositions.

Abstract: A thickening (meth)acrylic copolymer is disclosed. The thickening (meth)acrylic copolymer is prepared using a polyalkoxylated Guerbet alcohol comprising a double-branched alkyl group. A process for preparing the copolymer is also disclosed. The copolymer may be used in aqueous compositions, in particular in coating compositions, to maintain desired rheological properties such as viscosity.

Abstract: Associative thickeners, and more particularly to associative thickeners of the HEUR type, may be used in aqueous formulations. In particular, a method for continuous preparation of HEUR-type associative thickeners may include reactive extrusion. These products are suitable to be used in aqueous formulations. Such a method may include: continuously preparing a hydrophilic polymer (P) by a reactive extrusion of precursors including a water-soluble polyalkylene glycol (A) and a product (B); and mixing the hydrophilic polymer (P) in a medium including a solvent. The water-soluble polyalkylene glycol (A) may include a polyethylene glycol, a polyethylene glycol-polypropylene glycol copolymer with at most 40% by weight of polypropylene glycol, and/or a polyethylene glycol-polybutylene glycol copolymer comprising at most 20% by weight of polybutylene glycol. The product (B) may include an associative group and an isocyanate group.

Abstract: An aqueous suspension of a mineral material, for example calcium carbonate, may be prepared by wet grinding in the presence of an aqueous dispersion of (meth)acrylic polymer neutralized by a combination of at least one monovalent ion and at least one divalent ion, and post-grinding concentration. The particle size distribution and the viscosity and stability of the suspension may be particularly well controlled. Such a polymer may be an agent for facilitating grinding. Such a mineral suspension may be used for preparing a mass filler for paper production, for preparing a paper coating slip, or for preparing a coating composition, for example a paint composition.

Abstract: An aqueous anode composition including metal particles or fibres or carbon graphite particles or fibres, and a binding agent including at least one water-soluble polymer P prepared on the basis of (meth)acrylic acid and (meth)acrylate. A method for producing an anode including said aqueous composition.

Abstract: Polyurethane heat-stabilizing agents may help resist temperature changes and preparations of an aqueous composition which may be resistant to temperature changes due to the use of such an agent (P). The viscosity may be thermally stabilized by such an aqueous composition in a wide temperature range and for many shear gradient values.

Abstract: An aqueous anode composition of metal particles or fibres or carbon graphite particles or fibres, and a binding agent. The binding agent includes at least one water-soluble polymer P prepared on the basis of an organosulfur monomer. A method for making the aqueous anode composition and a method for producing an anode using the aqueous composition is also described.

Abstract: An aqueous suspension of a mineral material, for example calcium carbonate, is described. The aqueous suspension is prepared by wet grinding step followed by a concentration step in the presence of at least one rheological agent R comprising phosphoric acid and an ?-sulfonated polymer P which is completely or partially neutralised by a monovalent ion. A rheological agent R and the use of this mineral suspension for preparing a mass filler for paper, for preparing a paper coating slip, or for preparing a coating composition, for example a paint composition, is also described.

Abstract: An aqueous suspension of a mineral material, for example calcium carbonate, may be prepared by wet grinding in the presence of an aqueous dispersion of (meth)acrylic polymer neutralized by a combination of at least one monovalent ion and at least one divalent ion. Such an agent may be used for facilitating grinding and such a mineral suspension may be used for preparing a mass filler for the preparation of paper, for preparing a paper coating slip, or for preparing a coating composition.

Abstract: A composition suitable for preparing a coating, such as a paint or a varnish, may include an acrylic acid copolymer thickener, a polymer binder chosen from a vinyl acetate homopolymer, a vinyl acetate copolymer, a vinyl versatate homopolymer, a vinyl versatate copolymer and combinations thereof, and water. A composition including the acrylic acid copolymer and such a polymer binder may be used in an aqueous coating composition in order to improve the stability of same during storage.

Abstract: The invention pertains to the field of aqueous thickening compositions, particularly for increasing the viscosity of an aqueous paint or varnish composition, a detergent composition or a cosmetic composition, in particular a cosmetic composition comprising ethoxylated surfactant compounds. The composition according to the invention comprises at least 40% by weight of water and combines a particular thickening compound and a nonionic compound comprising at least one hydrophilic saccharide group attached to at least one linear or branched hydrophobic chain.

Abstract: A thickening copolymer and a non-continuous method for preparing the same. The preparation method first involves a polymerization reaction between a dihalogenated compound and a polyhydroxylated monomer, followed by a reaction with a hydrophobic monoalcohol. The copolymer is used in a rheology control composition and a method of controlling the viscosity of an aqueous composition, such as an ink, a varnish, an adhesive, and a paint.

Abstract: A process for preparing a urethane copolymer may use a polyalkoxylated and polyhydroxylated compound which does not contain any volatile residue of alkanes, aromatic hydrocarbon compounds, or alkenes. Such a copolymer can be useful as an agent for controlling rheology in an aqueous medium, in particular for paint compositions, for paper coating slips or for cosmetic compositions.

Abstract: A thickening urethane copolymer is disclosed. The thickening urethane copolymer is prepared using a polyalkoxylated Guerbet alcohol comprising a double-branched alkyl group. A process for preparing the copolymer is also disclosed. The copolymer may be used in aqueous compositions, in particular in coating compositions, to maintain desired rheological properties such as viscosity.

Abstract: A thickening urethane copolymer which is prepared using a non-alkoxylated Guerbet alcohol comprising a double-branched alkyl group and a process for preparing the thickening urethane copolymer. The thickening urethane copolymer is used in aqueous compositions, in particular in coating compositions.

Abstract: A method for reducing the hygroscopicity of a material (M) including calcium carbonate may include treating the calcium carbonate with at least one homopolymer grinding assistant (P) which is neutralized in a particular way. A method for producing such a material (M) including calcium carbonate may include treating the calcium carbonate with at least one homopolymer grinding assistant (P) to provide such a material (M), which is then of reduced hygroscopicity. Such a calcium carbonate may be used as a filler in polymeric plastics.

Abstract: The invention relates to a method for preparing an aqueous suspension of at least one phosphate material, comprising, dispersing, in water, particles of phosphate material in the presence of at least one additive of the anionic polymer of acrylic acid or of methacrylic acid type. The suspension according to the invention has a viscosity of less than 1500 mPa·s. The invention also relates to the conditioning of the phosphate material associated with the anionic polymer, for its subsequent treatment with at least one strong acid, for the industrial preparation of phosphoric acid.

Abstract: An aqueous anode composition may include carbon particles or metal particles and a crosslinkable composition. The crosslinkable composition may include a polycarboxylic polymer combined with an alcohol or an amine. The crosslinkable composition may also include (i) at least one material E chosen among metal fibers, metal particles, carbon graphite fibers, carbon graphite particles and combinations thereof and (ii) at least one cross-linkable aqueous composition R including: (a) at least one polymer A prepared in water by a polymerization reaction of at least one monomer M chosen among acrylic acid, methacrylic acid, an acrylic acid salt, a methacrylic acid salt and combinations thereof, in the presence of at least one initiator compound, and (b) at least one compound B chosen among polyols, polyamines, amino alcohols, (polyamino)alcohols, amino(polyalcohols), oses, osides, and combinations thereof.

Abstract: A method for preparing a composite material from mineral fibers, by impregnating and then crosslinking an aqueous composition. The method is particularly effective for obtaining a composite having structuring or insulating properties. The aqueous composition includes a polyfunctional compound combined with an alpha-sulfonated polymer and a sulfo-carboxylic acid.