Abstract: A self-reversible reverse microlatex composition comprising an oil phase, an aqueous phase, at least one W/O surfactant, at least one O/W surfactant, and a branched or a crosslinked polyelectrolyte, wherein the W/O surfactant and the O/W surfactant mixture have a HLB from about 9.5 to about 10, and the polyelectrolyte is either a homopolymer or copolymer or a combination thereof based on at least one monomer containing a strong or weak acid function. Further, the composition may be used in the cosmetic, dermopharmaceutical, pharmaceutical, textile, paper, and/or paint industries, or as a thickener for printing pastes based on pigments or dyes.

Abstract: A self-reversible reverse microlatex composition comprising an oil phase, an aqueous phase, a water-in-oil surfactant(s), a oil-in-water surfactant(s) and 15% to 40% by weight by weight of a branched or crosslinked polyelectrolyte. The polyelectrolyte is based on a monomer containing a strong or weak acid function, which is partially or totally salified, a copolymer of at least one monomer containing a strong acid function and at least one monomer containing a weak acid function or at least one neutral monomer, a copolymer of at least one monomer containing a weak acid function and at least one neutral monomer, or a copolymer of at least one monomer containing a strong acid function, a monomer containing at least one weak acid function and at least one neutral monomer. The surfactants have a total HLB number of 8.5 to 11. Uses in cosmetics and as an industrial emulsifier and/or thickener.

Abstract: Composition comprising an oil phase, an aqueous phase, at least one emulsifying agent of water-in-oil (W/O) type and at least one emulsifying agent of oil-in-water (O/W) type, comprising from 20% to 70% by weight and preferably from 25% to 50% by weight of a crosslinked anionic polyelectrolyte, characterized in that the said polyelectrolyte is a copolymer of partially or completely salified 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulphonic acid polymerized with at least one neutral monomer and with optionally at least one monomer, having a weak acid functional group in which the molar proportion of partly or completely salified 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulphonic acid monomer is less than 30% and is greater than or equal to 1%. Applications in cosmetics.

Abstract: The invention relates to an inverse latex composition comprising: a) 50 to 80 weight % of at least one linear, branched or cross-linked organic polymer (P), b) 5 to 10 weight % of an emulsifier system (S1) of the water-in-oil (W/O) type, c) 5 to 45 weight % of at least one oil and d) 0 to 5 weight % of water. Said invention also relates to the preparation method and use thereof.

Abstract: The invention concerns a branched or crosslinked linear polymer obtainable by polymerising N-alkyl acrylamide, wherein the alkyl radical is linear or branched and comprises 1 to 6 carbon atoms, with one or several monomers selected among the cationic monomers or monomers comprising at least a strong acid function partly salified or completely salified. The invention also concerns a method for preparing same and microlatex or positive latex containing same and their use as heat-thickening agent.

Abstract: Composition including an oil phase, an aqueous phase, at least one emulsifying system of water-in-oil (W/O) type, optionally at least one emulsifying system of oil-in-water (O/W) type, in the form of an inverse latex including from 20% to 70% by mass and preferably from 25% to 50% by mass of a branched or crosslinked polyelectrolyte, characterized in that the polyelectrolyte is a copolymer of 2-acrylamido-2-methylpropanesulfonic acid partially or totally salified with N,N-dimethylacrylamide and optionally one or more monomers chosen from monomers containing a partially or totally salified weak acid function and neutral monomers. Cosmetic use.

Abstract: A composition and method for a linear or crosslinked cationic polyelectrolyte, involving copolymerization of at least one cationic monomer with at least one neutral monomer and at least one-nonionic surfactant monomer.

Abstract: A composition and method for a linear or crosslinked cationic polyelectrolyte, involving copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer.

Abstract: The invention concerns a linear or crosslinked polymer, characterized in that it is obtainable either by copolymerizing N-[2-hydroxy-1,1-bis(hydroxymethyl)-ethyl]-propenamide, or by copolymerizing N-[2-hydroxy-1,1-bis(hydroxymethyl)ethyl][-propenamide with one or several monomers selected among cationic monomers, monomers comprising at least a strong acid function, partly salified or completely salified, monomers comprising at least a weak acid function, partly salified or completely salified or neutral monomers. The invention also concerns inverse latex or microlatex containing such a polymer. The invention further concerns the uses of said polymer in cosmetic or pharmaceutical compositions, as thickening agents in industrial or household detergents, as additives for assisted recovery of oil, as rheology modifier for drilling fluid or as flocculants for water treatment.

Abstract: The invention concerns a branched or crosslinked linear polymer obtainable by polymerising N-alkyl acrylamide, wherein the alkyl radical is linear or branched and comprises 1 to 6 carbon atoms, with one or several monomers selected among the cationic monomers or monomers comprising at least a strong acid function partly salified or completely salified. The invention also concerns a method for preparing same and microlatex or positive latex containing same and their use as heat-thickening agent.

Abstract: Linear or crosslinked cationic polyelectrolyte, characterized in that it is obtained by copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer, self-reversible invert latex; their use as a thickener for cosmetic or pharmaceutical compositions, as a thickener for printing pastes for the textile industry, as a thickener for industrial or household detergents, as additives for the assisted recovery of petroleum, as a rheology modifier for drilling mud.

Abstract: Composition comprising an oil phase, an aqueous phase, at least one surfactant of water-in-oil (W/O) type, at least one surfactant of oil-in-water (O/W) type and a branched or crosslinked polyelectrolyte, characterized in that:

Abstract: Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms, with one or more monomers chosen from cationic monomers, monomers comprising at least one partially salified or completely salified strong acid functional group or monomers comprising at least one partially salified or completely salified weak acid functional group. A method of preparing the polymer is also disclosed.

Abstract: Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms, with one or more monomers chosen from cationic monomers, monomers comprising at least one partially salified or completely salified strong acid functional group or monomers comprising at least one partially salified or completely salified weak acid functional group. A method of preparing the polymer is also disclosed.

Abstract: Starting on the surface of a foundation body (2) weld material is applied in runs to form layers by an equipment for profiling building-up welding and hence a workpiece (1) is manufactured, where the foundation body (2) may be a component of the workpiece (1). The course of runs to form layers as well as the approximate rate of application of weld material are calculated by a computer system (11), starting from a two- or three-dimensional data model of the workpiece (1) in the form of software, and given over to the system control (10) which positions the welding torch (7) by means of the robot (5) and the workpiece (1) located on a turntable (4) by a clamping mechanism (3) with respect to one another, and regulates the rate of application of weld material applied by the welding apparatus (8) in such a way that the liquid weld material adheres to the layer lying underneath without running down and irregularities in the runs to form layers are levelled out.