Abstract: The invention relates to copolymers, suitable as wetting agents and dispersants, obtainable by copolymerizing (a) 1 to 80 mol % of at least one ethylenically unsaturated 1,2-dicarboxylic acid derivative, (b) 2 to 80 mol % of at least one unsaturated monocarboxylic acid derivative having 12 to 30 carbon atoms, (c) 1 to 90 mol % of at least one polyalkyleneoxyallyl ether having a number-average molecular weight of up to 5000 g/mol and (d) 0 to 30 mol % of further, unsaturated monomers; and also reaction products of the copolymers with ammonia, amines, water, alcohols, amino alcohols and/or alkali metal hydroxides or alkaline earth metal hydroxides. The invention further relates to a process for preparing the copolymers and to their use as wetting agents and dispersants in coating materials and moulding compounds.

Abstract: The invention relates to addition compounds suitable for use as wetting agents and dispersants and obtainable by reacting monofunctional or polyfunctional aromatic epoxides with polyoxyalkylenemonoamines having a number-average molecular weight of >400 g/mol, one primary or secondary amino group and at least 4 ether oxygen atoms per molecule, from 90 to 100% of the epoxide groups of the starting material having undergone reaction, the weight fraction of aromatic groups in the addition compounds being not more than 50% and the addition compounds containing per molecule at least one amino group on which salts can be formed, or being present as a salt. The invention also relates to a process for preparing the addition compounds, to their use as wetting agents and/or dispersants and to pigments or fillers coated with the addition compounds and to pigment pastes which comprise pigments, binders and the addition compounds of the invention.

Abstract: The invention relates to addition compounds which are obtainable by reacting a) one or more polyisocyanates containing uretdione groups with b) one or more compounds of the formula (I) Y—(XH)n ??(I) with the proviso that at least 50% of the free isocyanate groups of component a) are reacted with the compounds of the formula (I) to give an intermediate which contains uretdione groups, and subsequently the intermediate is reacted with c) one or more compounds of the general formula (II) Z-NHRm ??(II) with the proviso that all free NCO groups optionally still present and at least 20% of uretdione groups originally used are reacted with Z-(NHR)m. The invention further relates to the use of the addition compounds as dispersants and dispersion stabilizers, and to a process for preparing them.

Abstract: The invention relates to biuret compounds of the idealized general formula in which R1 is a (C1-C22)-alkylene, (C3-C22)-alkenylene, (C5-C15)-cycloalkylene, arylene, (C7-C12)-aralkylene, a polyoxyalkylene radical or is a polyester radical, R2 is a (C1-C22)-alkyl, hydroxy-(C1-C22)-alkyl, (C3-C18)-alkenyl, aryl, (C7-C12)-aralkyl, or (C5-C12)-cycloalkyl radical, a hydroxy-, (C1-C22)-alkoxy-, (C5-C12)-cyclo-alkoxy-, or (C7-C12)-aralkoxy-polyoxyalkylene radical, or a polyester radical prepared starting from a (C1-C22)-alkanol, (C5-C12)-cycloalkanol, or (C7-C12)-aralkanol or from a (C1-C22)-alkoxy-, (C6-C12)-cyclo-alkoxy-, or (C7-C12)-aralkoxy-polyoxyalkylene, Y stands for identical or different radicals O, NH, CO—NH—NH or NH—NH—CO, R3, R4 and R5 independently of one another are a (C2-C40)-alkylene, (C3-C40)-alkenylene, (C5-C40)-cyclo-alkylene, arylene, (C7-C40)-aralkylene or polyoxy-alkylene radical or are a polyester radical, R6 is a (C1-C30)-alkyl, (C3-C22)-alkenyl, hydroxyalkyl and hydroxyalkenyl, (C4-C13)

Abstract: The invention relates to the use of block copolymers as leveling agents for surface coatings, having a weight-average molecular weight of from 1000 to 100000. The leveling agent is a linear or branched block copolymer composed of a polysiloxane block and one or more blocks prepared from ethylenically unsaturated monomers by controlled free-radical addition polymerization. The invention also relates to coating compositions which comprise the leveling agent.

Abstract: The invention relates to amide-containing polymers of the general formula (I) A—X—CO—(CH2)2—NR1—R2—[Y—R3—Y—R4)a—B??(I) and also their salts with carboxylic acids, phosphoric esters and sulphonic acids. The invention further relates to processes for preparing the amide-containing polymers and to their use as rheology control agents.

Abstract: The present invention relates to processing aids for the processing of synthetic polymer compositions based on carboxylic esters, where the processing aids include, partial esters which contain at least 18 carbon atoms, have a number-average molecular weight of from 300 to 10,000, and can be prepared by the reaction of saturated or unsaturated aliphatic and/or cycloaliphatic polycarboxylic acids or anhydrides of these with saturated or unsaturated aliphatic, cycloaliphatic and/or aromatic monoepoxides and/or monoalcohols optionally containing ether groups, where at least 10% and not more than 90% of the carboxyl groups of the polycarboxylic acids have been reacted and the polycarboxylic acids and anhydrides of these contain from 8 to 100 carbon atoms. The invention further relates to the use of these processing aids in synthetic polymer compositions, and also to synthetic polymer compositions, which comprise these processing aids.

Abstract: The present invention relates to biuret compounds of the general formula in which R1 is C2-C18 alkylene, cycloalkylene, arylene or aralkylene, Y is —O— and/or —NH—, R2 is C4-C22 alkyl, C3-C18 alkenyl, cycloalkyl, aralkyl, CmH2m+1(O—CnH2n)x—(O—CH(C6H5)—CH2)u-, CmH2m+1(OOC—CvH2v)x-, X—C6H4—(O—CnH2n)x—(O—CH(C6H5)—CH2)u-, where m=1-22, n=2-4, x=0-15, u=0-15, v=4-5, X is C1-C12 alkyl, —(C6H5)1-4 and R3, R4 and R5 are C2-C18 alkylene, cycloalkylene, arylene or aralkylene, it being possible for R3, R4 and R5 to be identical or different, Z is —COO—, NHCO—, NHCOO—, NHCONH— and/or mixtures thereof and a is 1-20. The invention also relates to a process for preparing biuret compounds and to their use as rheology control agents. The invention further relates to urethane- and/or urea-containing uretdiones which are useful intermediates for preparing the biuret compounds.

Abstract: The invention relates to an unsaturated polyester resin mixture which can be cured by applying external pressure and which encompasses at least the following components: a) an unsaturated polyester resin whose weight-average molar mass is from 500 to 5000 g/mol; b) an ethylenically unsaturated monomer; c) a shrinkage-reducing component; d) an inert filler; and e) a reinforcing fibre; and f) from 0.01 to 1% by weight of a block copolymer, based on the total weight of the unsaturated polyester resin mixture comprising reinforcing fibre, where the block copolymer encompasses at least one A block and encompasses at least one B block, where the A block contains at least one amine-containing, ethylenically unsaturated monomer; and the B block contains at least one alkyl- and/or phenyl-containing, ethylenically unsaturated monomer, and is free from amine-containing, ethylenically unsaturated monomers.

Abstract: The invention relates to coating compositions having anti-adhesion and dirt repellency properties, these compositions being admixed as additive with from 0.1 to 10% by weight, based on the solids content of the coating composition, of a branched polymer which possesses a weight-average molecular weight of from 2000 to 200,000 and comprises a polymeric base molecule and also polydiorganosiloxane side chains which are bonded covalently to the base molecule via Si—C bonds, have a weight-average molecular weight of between 1000 and 30,000, and whose fraction of the total weight of the branched polymer is from 5 to 25% by weight. The present invention further relates to polymeric moulding compounds having anti-adhesion and dirt repellency properties, to which this branched polymer is added as additive in an amount of from 0.1 to 10% by weight, based on the total weight of the polymeric moulding compounds.

Abstract: The invention relates to organosilane-modified polysiloxanes of the following formula: where x=0 to 200, y=5 to 100, z=0 to 50 and p=1 to 25; R1, R2, R3, R4 and R5 independently of one another are saturated or unsaturated, straight-chain or branched alkyl radicals having 1 to 4 carbon atoms and/or aryl radicals having 6 to 9 carbon atoms; R6 is a straight-chain or branched alkyl radical having 6 to 22 carbon atoms; R7 is a radical —(CH2)s-M-Z, where s is 2 to 20, M is an aliphatic group containing at least one —O—CO— or —CO—O— group and optionally ether groups, and Z is hydrogen, —CO—CH3 or a straight-chain or branched alkyl radical having 1 to 4 carbon atoms; R8 is a radical —(CH2)n—Si(R11)v(R12)3-v, where v is 0, 1 or 2, n is 2 to 16, R11 is a straight-chain or branched alkyl radical having 1 to 4 carbon atoms, and R12 is a radical selected from the group OR13, O—CO—R13, halogen or haloalkyl having 1 to 6 carbon atoms, in which R13 is an aromatic radical or a straight-chain, branched or cyclic alkyl

Abstract: The invention relates to surface-modified nanoparticles composed of metal or semimetal oxides or hydroxides and having been reacted on their surface with a modifier, with formation of covalent bonds. The modifier is a polysiloxane. The invention also relates to a process for preparing the nanoparticles, to their use as fillers in coating materials, plastics, foams and nail varnishes, and to dispersions which comprise the nanoparticles.

Abstract: The invention relates to alkoxylated epoxide-amine adducts having a number-average molecular weight of more than 500 g/mol, which are preparable by reacting A) mono- and/or polyepoxides having at least 8 carbon atoms with B) primary and/or secondary amines and/or primary and/or secondary alkanolamines and/or secondary alkylalkanolamines, to form an adduct having one or more secondary OH groups, and subsequently alkoxylating the adduct with C) alkylene oxides. The invention also relates to a process for preparing the alkoxylated epoxide-amine adducts and to their use as wetting agents and dispersants for organic and inorganic pigments and fillers. The invention relates further to powderous or fibrous solids coated with the alkoxylated epoxide-amine adducts.

Abstract: The invention relates to copolymers, suitable as wetting agents and dispersants, obtainable by copolymerizing (a) 1 to 80 mol % of at least one ethylenically unsaturated 1,2-dicarboxylic acid derivative, (b) 2 to 80 mol % of at least one unsaturated monocarboxylic acid derivative having 12 to 30 carbon atoms, (c) 1 to 90 mol % of at least one polyalkyleneoxyallyl ether having a number-average molecular weight of up to 5000 g/mol and (d) 0 to 30 mol % of further, unsaturated monomers; and also reaction products of the copolymers with ammonia, amines, water, alcohols, amino alcohols and/or alkali metal hydroxides or alkaline earth metal hydroxides. The invention further relates to a process for preparing the copolymers and to their use as wetting agents and dispersants in coating materials and moulding compounds.

Abstract: The invention relates to polyester-modified poly-siloxanes of the general formula (I) where A is an alkyl group having 1 to 8 carbon atoms, Z is an aliphatic group having 1 to 14 carbon atoms, R is an aliphatic and/or cycloaliphatic and/or aromatic poly-ester group containing at least 3 and having a weight-average molecular weight of 200 to 4000 g/mol, with no Zerewitinoff hydrogen atoms, Q is a group which contains no Zerewitinoff hydrogen atoms and is free from reactive carbon-carbon multiple bonds, m is 3 to 200 and o+n=2, with both o and n being other than zero. The invention further relates to the use of the compounds of the invention in thermoplastics, moulding compounds and coating materials.

Abstract: The present invention provides addition compounds, which suitable as dispersants and as dispersion stabilizers, and to the salts of the said compounds. The invention further provides processes for preparing these addition compounds, to their use as dispersants and dispersion stabilizers for organic and inorganic pigments and also fillers in organic and aqueous systems, and to pulverous or fibrous solids coated with such dispersants and intended for incorporation into liquid systems.

Abstract: The invention relates to a polymeric urea-urethane obtainable by first reacting a diisocyanate with a polyol to form a doubly NCO-terminated urethane prepolymer. Further reaction is subsequently carried out with a mixture of a primary monoamine and a primary diamine. After the second reaction the polymeric urea-urethane present is substantially free of isocyanate and of the monoamine and diamine used. It can be used as an agent for controlling the rheology of liquid polymers or polymer solutions.

Abstract: The invention relates to addition compounds suitable for use as wetting agents and dispersants and obtainable by reacting monofunctional or polyfunctional aromatic epoxides with polyoxyalkylenemonoamines having a number-average molecular weight of >400 g/mol, one primary or secondary amino group and at least 4 ether oxygen atoms per molecule, from 90 to 100% of the epoxide groups of the starting material having undergone reaction, the weight fraction of aromatic groups in the addition compounds being not more than 50% and the addition compounds containing per molecule at least one amino group on which salts can be formed, or being present as a salt. The invention also relates to a process for preparing the addition compounds, to their use as wetting agents and/or dispersants and to pigments or fillers coated with the addition compounds and to pigment pastes which comprise pigments, binders and the addition compounds of the invention.

Abstract: The use as dispersants of gradient copolymers obtainable by living controlled polymerization of ethylenically unsaturated monomers using a non-polymeric monofunctional initiator and possessing a transition from hydrophilic to hydrophobic properties along the polymer chain, by

Abstract: The invention relates to a polymeric urea-urethane obtainable by first reacting a diisocyanate with a polyol to form a doubly NCO-terminated urethane prepolymer. Further reaction is subsequently carried out with a mixture of a primary monoamine and a primary diamine. After the second reaction the polymeric urea-urethane present is substantially free of isocyanate and of the monoamine and diamine used. It can be used as an agent for controlling the rheology of liquid polymers or polymer solutions.