Abstract: The invention relates to the field of detergent compositions, in particular detergent compositions for automatic washing, especially for automatic dishwashing. Thus, the invention provides a phosphate-free detergent composition comprising at least one non-sulfonated nonionic surfactant compound and a non-sulfonated water-soluble copolymer prepared especially by polymerization reaction of acrylic or methacrylic acid, of an acrylic or methacrylic acid, itaconic acid or maleic acid ester and of a compound of formula (I): The invention also relates to the use of this non-sulfonated water-soluble copolymer as a scale-inhibiting agent or anti-spotting agent, and also to a cleaning process.

Abstract: The invention relates to the field of the production of aqueous compositions comprising rheology-modifying agents, in particular the production of aqueous cosmetic or detergent compositions having improved thickening and clarity properties and also good suspending properties. In particular, the invention relates to a rheology-modifying agent which is a copolymer obtained by polymerization of at least one cross-linking monomer with at least one anionic monomer comprising at least one polymerizable ethylenic unsaturation and at least one hydrophobic nonionic monomer comprising at least one polymerizable ethylenic unsaturation.

Abstract: (EN) The invention relates to the field involved in the production of aqueous compositions comprising rheology modifying agents, in particular the production of aqueous detergent or cosmetic compositions having improved, thickening and clarity properties, as well as good suspension properties. In particular, the invention relates to a rheology modifying agent which is a copolymer obtained by means of polymerisation of at least one crosslinking monomer with at least one anionic monomer comprising at least one polymerisable ethylenic unsaturation and at least one hydrophobic non-ionic monomer comprising at least one polymerisable ethylenic unsaturation.

Abstract: The present invention relates to a ternary mixture consisting of at least one homopolymer or copolymer of (meth)acrylic acid, partially or completely neutralized with sodium, with potassium, with lithium and/or with an amine, at least one solution of silicate or metasilicate chosen from the group consisting of a sodium silicate of formula Na2O.nSiO2 (with n varying between 1 and 4), sodium metasilicate Na2SiO3, a potassium silicate K2O.nSiO2 (with n varying between 1 and 4), potassium metasilicate K2SiO3 and a mixture of these compounds, and at least one base, as dispersion and/or grinding aid agents of kaolin in aqueous suspension.

Abstract: The present disclosure relates to a method for improving the auto-dispersant characteristic in water of a mineral substance. The method includes the steps of dry-grinding, in the presence of a formulation, a mineral substance selected from a dolomite, talc, titanium dioxide, alumina, kaolin and calcium carbonate, wherein the formulation contains a polyglycerol and no glycerol.

Abstract: The invention relates to a novel method for the continuous production of anionic polymers by radical polymerization. The polymers produced by said method have a controlled molecular weight.

Abstract: The present invention relates to a continuous process for preparing a comb polymer, without organic solvent, by esterification and/or amidification of an acidic homopolymer or copolymer, which consists in performing the esterification and/or amidification of said homopolymer/copolymer by reaction at elevated temperature in the mixing and transportation zone of a tubular reactor, optionally equipped with a water removal system, in the presence of at least one poly(alkylene glycol) in solid or molten form and of an antioxidant, said esterification and/or amidification taking place at a temperature greater than or equal to 170° C.

Abstract: The invention relates to multiphasic polymers comprising from 45% to 95% by weight of a first polymer P1 and from 5% to 55% by weight of a second polymer P2, said polymers P1 and P2 being of distinct compositions, said polymer P1 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b) having a polymerizable vinyl group, at least one cross-linking monomer (c) and at least one associative monomer (d) having a polymerizable vinyl group and a hydrophobic hydrocarbon chain and said polymer P2 being obtained by polymerization from a mixture of monomers comprising at least one anionic monomer (a?) having a polymerizable vinyl group, at least one nonionic hydrophobic monomer (b?) having a polymerizable vinyl group and at least one cross-linking monomer (c?).

Abstract: The present invention relates to a polymer obtained by radical polymerization of a mixture of monomers comprising: at least one anionic monomer (a) having a polymerizable vinyl function; at least one non-ionic hydrophobic monomer (b) having a polymerizable vinyl function; and one or more crosslinking monomer(s) (c) including at least one compound of formula (I) in which R is a hydrogen atom or a methyl group, n is zero or an integer from 1 to 30, and R1 is a linear or branched C1-C20 alkylene group. The present invention also relates to a process for the preparation thereof by radical polymerization, to an aqueous composition comprising same, to the use thereof as a thickener and suspending agent and also to the use of a monomer of formula (I) for synthesizing a polymer.

Abstract: The present invention relates to the synthesis of an associative acrylic (co)polymer by aqueous emulsion radical polymerization. The (co)polymer contains at least one oligomer of acrylic acid represented by the formula (I): where n is an integer ranging from 1 to 10. The oligomer is prepared from acrylic acid at a temperature of between 50° C. and 200° C. in the presence of a basic or acid catalyst, water, and polymerization inhibitors. The present invention also relates to the associative acrylic (co)polymer obtained from the method and also to the use of this (co)polymer as a thickener in various formulations.

Abstract: The present invention relates to novel associative thickeners belonging to the category of the HEURs (Hydrophobically modified Ethoxylated URethanes) comprising an associative compound of bicycloheptane type for thickening aqueous compositions, and also to formulations compositions comprising such thickeners and to the final compositions, for example paint, lacquer, varnish or paper coating color formulations.

Abstract: Composition including at least one hydrocarbon-containing cut of petroleum origin or obtained from biomass conversion (a) and at least one copolymer (b) resulting from the copolymerization of: at least one monomer selected from: acrylic acid and any salt thereof, optionally at least one monomer selected from: methacrylic acid and any salt thereof, at least one monomer selected from the monomers of formula (I): R—X—R???(I) according to which R represents a polymerizable unsaturated function, R? denotes hydrogen or an alkyl group having from 1 to 4 carbon atoms, X represents a structure including n unit(s) of ethylene oxide EO and m unit(s) of propylene oxide PO, m and n are two integers in the range from 0 to 150, at least one of which is not zero.

Abstract: The invention relates to the use of copolymers obtained by the polymerisation of styrene maleic anhydride, functionalised or not, for producing an aqueous suspension of precipitated calcium carbonate (PCC) by slaking a material containing calcium oxide in water then by carbonation of the milk of lime thus produced.

Abstract: The present invention relates to the use of at least one cationic polymer in a method for manufacturing a precipitated calcium carbonate aqueous suspension, in which a milk of lime is prepared by mixing water, a calcium oxide containing material, said at least one cationic polymer, optionally at least one slaking additive, said milk of lime being them carbonated to form a precipitated calcium carbonate aqueous suspension.

Abstract: The present invention relates to the technical field of hydraulic compositions, for example concrete and mortar compositions. More specifically, the present patent application relates to additives used in hydraulic compositions, to the compositions containing same, and also to the method for preparing these additives and to the various uses thereof.

Abstract: The present invention relates to novel associative thickeners belonging to the HEUR (Hydrophobically modified Ethoxylated URethane) category and also to intermediate aqueous formulations containing such thickeners and to the final compositions, for example paint, lacquer, varnish or paper coating color compositions.

Abstract: The present invention relates to the novel method for the preparation of a polymer of (meth)acrylic acid in aqueous solution, said polymer having a molecular mass of less than 6,500 g/mol, as measured by SEC, using a compound of copper carbonate type or one of its derivatives and a compound of formula (I): according to which: X represents Na, K or H and R represents an alkyl chain comprising from 1 to 5 carbon atoms.

Abstract: The present invention relates to novel associative thickeners pertaining to the HEUR category (Hydrophobically-modified Ethoxylated URethane), to intermediate aqueous formulations containing such thickeners, and to the final compositions, for example paint, lacquer, varnish or paper coating slip compositions.

Abstract: The present invention relates to the use of a depolymerized carboxylated cellulose solution for preparing an aqueous Precipitated Calcium Carbonate (PCC) slurry by slaking a material containing calcium oxide in water, followed by carbonation of the milk of lime thus obtained. The depolymerized carboxylated cellulose solution has a solid content of 25 wt. % to 40 wt. %, based on the total weight of the solution and a molecular weight of between 10 000 g/mol to 40 000 g/mol.

Abstract: The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, at least one water-soluble polymer having a molecular weight Mw in the range from 200 to 6500 g/mol, and at least one slaking additive, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.