Abstract: The present invention relates to a thickener preparable by a process which comprises obtaining a cationic polymer by inverse emulsion polymerization of a) at least one water-soluble ethylenically unsaturated monomer comprising at least one cationic monomer, optionally at least one anionic monomer and/or optionally at least one nonionic monomer, b) at least one ethylenically unsaturated associative monomer, c) optionally at least one crosslinker, d) optionally at least one chain transfer agent, the temperature being kept constant during the inverse emulsion polymerization and being at least 40° C., preferably 50 to 90° C., and after the inverse emulsion polymerization has ended, activator being added to obtain the thickener.

Abstract: The present invention relates to a process for obtaining a cationic polymer by polymerization of at least one cationic monomer, at least one crosslinker and optionally further monomers, such as nonionic monomers, associative monomers and/or chain transfer agents. The cationic polymer has an at least bimodal molecular weight distribution with at least one first peak (P1) and at least one second peak (P2), wherein the first peak has a lower average sedimentation coefficient of ?100 Sved and the second peak has a higher average sedimentation coefficient of ?1000 Sved. The polymerization is carried out in two subsequent steps I) and II). In step II), the crosslinker is either completely absent or present in a very limited amount. Step II) is carried out after the polymerization of step I is finished or vice versa.

Abstract: Provided herein is a cationic polymer obtainable by polymerization of at least one cationic monomer, at least one crosslinker and optionally further monomers, such as nonionic monomers, associative monomers, and/or chain transfer agents. The cationic polymer has an at least bimodal molecular weight distribution with at least one first peak (P1) and at least one second peak (P2), wherein the first peak has a rather low average sedimentation coefficient of ?10 Sved and the second peak has a rather high average sedimentation coefficient of ?10,000 Sved. The water-soluble polymer components of the cationic polymer are ?25% by weight related to the total amount of cationic polymer. Further provided herein is a process for obtaining such a cationic polymer as well as to an inverse dispersion, a thickener or a deposition aid, including at least one of such cationic polymers.

Abstract: The present invention relates to an inverse dispersion including at least one cationic polymer and at least one stabilizing agent as well as at least a tri- and/or polyfunctional crosslinker wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms. The polymer is obtainable by polymerizing at least one cationic monomer and optionally at least one nonionic monomer. Furthermore, the present invention relates to a process for manufacturing the inverse dispersion by inverse emulsion polymerization.

Abstract: The present invention relates to a thickener comprising at least one cationic polymer and at least one activator. The at least one cationic polymer is preparable by polymerization of a) at least one water-soluble ethylenically unsaturated monomer comprising at least one cationic monomer, optionally at least one anionic monomer and/or optionally at least one nonionic monomer, b) at least one ethylenically unsaturated associative monomer, c) optionally at least one crosslinker, and d) optionally at least one chain transfer agent. The ratio of activator to cationic polymer is >10 to 100 [% by weight/% by weight].

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: An inverse dispersion comprising i) at least one cationic polymer obtainable by the polymerization of a) at least one cationic monomer and optionally at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c) optionally at least one chain transfer agent (compound C), ii) at least one stabilizing agent, wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms, iii) at least one non-aqueous carrier.

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: An inverse dispersion comprising i) at least one cationic polymer obtainable by the polymerization of a) at least one cationic monomer and optionally at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c) optionally at least one chain transfer agent (compound C), ii) at least one stabilizing agent, wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms, iii) at least one non-aqueous carrier.

Abstract: An inverse dispersion comprising i) at least one anionic or one nonionic polymer obtainable by the polymerization of a) at least one anionic monomer and/or at least one nonionic monomer (compound A), b) optionally at least one crosslinker (compound B), c) optionally at least one chain transfer agent (compound C), ii) at least one stabilizing agent, wherein the stabilizing agent has one or more hydrophobic chains with more than 30 carbon atoms, iii) at least one non-aqueous carrier

Abstract: An aqueous dispersion of a copolymer with copolymerized units a) of at least one ethylenically unsaturated carboxylic acid, b) of at least one nonionic ethylenically unsaturated surfactant monomer, c) of at least one C1-C2-alkyl methacrylate, d) of at least one C2-C4-alkyl acrylate, where the alkyl chain length averaged over the number of alkyl groups of the alkyl acrylate is 2.1 to 4.0, is described. Following neutralization with alkali, the dispersion serves as associative thickener, in particular for liquid detergent and cleaner formulations. The thickeners are characterized by high transparency and high thickening effect coupled with high shear dilution.

Abstract: The present invention relates to copolymers comprising as comonomers in copolymerized form (A) at least one ethylenically unsaturated mono- or dicarboxylic acid, (B) at least one ethylenically unsaturated compound which has at least one structural unit of the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, C6-C10-arylene and C7-C10-aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6, (C) at least one further comonomer.

Abstract: The present invention relates to a thickener preparable by a process which comprises obtaining a cationic polymer by inverse emulsion polymerization of a) at least one water-soluble ethylenically unsaturated monomer comprising at least one cationic monomer, optionally at least one anionic monomer and/or optionally at least one nonionic monomer, b) at least one ethylenically unsaturated associative monomer, c) optionally at least one crosslinker, d) optionally at least one chain transfer agent, the temperature being kept constant during the inverse emulsion polymerization and being at least 40° C., preferably 50 to 90° C., and after the inverse emulsion polymerization has ended, activator being added to obtain the thickener.

Abstract: The invention relates to copolymers which contain a) at least 15% by weight units of an ethylenically unsaturated carboxylic acid, b) at least 15% by weight units of a C4-C8-alkylacrylats, c) less than 5% by weight units of methyl methacrylate, and are used as thickeners in liquid textile detergents. The copolymers can additionally contain units of a non-ionic ethylenically unsaturated surfactant monomer that are incorporated by polymerization. The thickeners are characterized by high thickening action, high shear thinning and low graying of the laundry after the washing process.

Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.

Abstract: A method is described for producing an aqueous thickener dispersion from a monomer composition made of at least one ethylenically unsaturated carboxylic acid and at least one ethylenically unsaturated hydrophobic monomer, (i) an at least partially polymerized pre-emulsion being produced from 10 to 80 wt.-% of said monomer composition, and (ii) the residual quantity of said monomer composition being added completely to the at least partially polymerized pre-emulsion and initiating a radical polymerization. The monomer composition preferably also comprises an associative monomer. The method avoids disadvantages of batch polymerization, such as inadequate batch-to-batch reproducibility and safety problems.

Abstract: An aqueous dispersion of a copolymer with copolymerized units a) of at least one ethylenically unsaturated carboxylic acid, b) of at least one nonionic ethylenically unsaturated surfactant monomer, c) of at least one C1-C2-alkyl methacrylate, d) of at least one C2-C4-alkyl acrylate, where the alkyl chain length averaged over the number of alkyl groups of the alkyl acrylate is 2.1 to 4.0, is described. Following neutralization with alkali, the dispersion serves as associative thickener, in particular for liquid detergent and cleaner formulations. The thickeners are characterized by high transparency and high thickening effect coupled with high shear dilution.

Abstract: Process for preparing an aqueous polymer dispersion by polymerizing at least one ethylenically unsaturated monomer B in an aqueous medium in the presence of polymer particles A and at least one dispersant.