Abstract: The invention relates to a mixture comprising a surfactant and a cosurfactant, the cosurfactant being an amphiphilic polymer having one or more hydrophobic subunits (A) and one or more hydrophilic subunits (B), wherein one or more hydrophobic subunits (A) have been formed on the basis of a polyisobutene block whose polyisobutene macromolecules have terminal double bonds to an extent of at least 50 mol %.

Abstract: The invention relates to a process for preparing polyether alcohols, which comprises the steps a) reaction of an unsaturated natural oil or fat with a mixture of carbon monoxide and hydrogen, b) reaction of the mixture from step a) with hydrogen, c) reaction of the product from step b) with an alkylene oxide in the presence of a catalyst.

Abstract: Aqueous polymer dispersions which are obtainable by emulsion polymerization of ethylenically unsaturated monomers in an aqueous medium in the presence of free radical polymerization initiators and stabilizers, amphiphilic polymers which comprise one or more hydrophobic units (A) and one or more hydrophilic units (B) being used as the stabilizer before, during or after the polymerization, and the hydrophobic units (A) being formed from a polyisobutene block, at least 50 mol % of whose polyisobutene macromolecules have terminally arranged doubled bonds, processes for the preparation of the aqueous polymer dispersions by polymerizing ethylenically unsaturated monomers in the presence of free radical initiators and said amphiphilic polymers, which are used before, during or after the polymerization, and the use of the resulting aqueous polymer dispersions as associative thickeners in paper coating slips, in textile production, as thickeners for textile print pastes, in the pharmaceutical and cosmetics sector, for

Abstract: The present invention relates to copolymers which are obtainable from the free radical copolymerization of at least (a) a monoethylenically unsaturated carboxylic acid having 3 to 6 carbon atoms or the anhydride thereof with (b) a reaction mixture comprising a component of the general structural formula where R1, R2, R3, R4, independently of one another, are H or C1- to C4-alkyl, n and m, independently of one another, are an integer from 1 to 100 and R5 is H or methyl, a process for the preparation of the polymer according to the invention and the use thereof as a scale inhibitor.

Abstract: The invention relates to a process for preparing polyether carbonate polyols by addition of alkylene oxides and carbon dioxide onto H-functional starter substances using DMC catalysts, wherein one or more starter substances are initially placed in the reactor and one or more starter substances are metered continuously into the reactor during the reaction.

Abstract: The invention relates to a process for producing flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the component b) comprises at least one polyether carbonate polyol bi) which can be prepared by addition of carbon dioxide and alkylene oxides onto H-functional starter substances using DMC catalysts and has a functionality of at least 2, a hydroxyl number in the range from 10 to 500 mg KOH/g and a content of incorporated carbon dioxide in the form of carbonate units of at least 2% by weight.

Abstract: The present invention relates to polymer compositions comprising at least one hydrophobic polymer and at least one modified polyisobutene; fibers, films, moldings and their further processing products formed from this polymer composition, a process for producing the polymer composition according to the present invention, a process for producing the fibers, films and moldings formed from the polymer composition according to the present invention; dyed polymer compositions comprising at least one hydrophobic polymer, at least one modified polyisobutene and at least one dye; and also fibers, films and moldings formed from the dyed polymer composition according to the present invention and the use of modified polyisobutenes for treating hydrophobic polymers.

Abstract: High-functionality, highly branched and high-functionality, hyperbranched polymers based on polyisobutene derivatives and a process for their preparation

Abstract: Fibrous substrates are treated with (a) at least one oligomer of branched or straight-chain C3-C10-alkene having an average molecular weight Mn of up to 1200 g/mol, (b) at least one emulsifier which is obtainable by copolymerization of (A) at least one ethylenically unsaturated dicarboxylic anhydride, derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, (B) at least one oligomer of branched or straight-chain C3-C10-alkene, at least one oligomer having an average molecular weight Mn of up to 1200 g/mol, (C) at least one ?-olefin of up to 16 carbon atoms and (D) optionally at least one ethylenically unsaturated comonomer, and optionally reaction with (E) at least one compound of the formula I a, I b, I c or I d and, if appropriate, subsequent contact with water, where, in formulae I a to I d, A1 are identical or different C2-C20-alkylene, R1 is linear or branched C1-C30-alkyl, phenyl or hydrogen, and n is an integer from 1 to 200.

Abstract: The invention relates to aqueous polymer dispersions, obtained by the emulsion polymerisation of ethylenically unsaturated monomers in an aqueous medium in the presence of polymerisation initiators and stabilisers that form radicals. According to the invention, amphiphilic polymers are used as stabilisers prior to, during or after polymerisation, said polymers containing one or more hydrophobic units (A) and one or more hydrophilic units (B), the hydrophobic units (A) being formed from a polyisobutene block, wherein at least 50 mol % of the polyisobutene macro-molecules have terminal double bonds. The invention also relates to a method for producing the aqueous polymer dispersions by the polymerisation of ethylenically unsaturated monomers in the presence of initiators that form radicals and the aforementioned amphiphilic polymers, which are used prior to, during or after polymerisation.

Abstract: The present invention relates to aqueous dispersions comprising (A) at least one (co)polymer of at least one branched or straight-chain C3-C10-alkene, (B) at least one emulsifies synthesized by (a) preparation of a (co)polymer of isobutene, the (co)polymer having at least one reactive group, (b) functionalization of the (co)polymer of at least one branched or straight-chain C3-C10-alkene, (c) incorporation of at least one hydrophilic unit.

Abstract: The present invention relates to a process for preparing polyisobutyl-substituted cyclo-hexanols by hydrogenating polyisobutyl-substituted hydroxybenzenes. The invention further relates to the polyisobutyl-substituted cyclohexanols obtainable by this process and functionalization products thereof, and to their use for the surface modification of inorganic or organic material.

Abstract: The invention relates to novel cosmetic preparations comprising an O/W emulsion, where the O/W emulsion comprises at least one amphiphilic polymer comprising one or more hydrophobic units A and one or more hydrophilic units B, where the hydrophobic units A are formed from polyisobutenes modified with terminal, polar groups, at least one component with an HLB value in the range from 8 to 20, and at least one oil and/or fat phase and water.

Abstract: The present invention relates to the use of copolymers obtainable by copolymerization of at least one ethylenically unsaturated dicarboxylic acid anhydride derived from at least one dicarboxylic acid having 4 to 8 carbon atoms and at least one oligomer of branched or unbranched C3-C10-alkene, where at least one oligomer has an average molecular weight Mn in the range from 300 to 5000 g/mol, preferably up to 1200 g/mol or is obtainable by oligomerization of at least 3 equivalents of C3-C10-alkene, in cosmetic compositions.

Abstract: Substituted 7- to 12-membered cycloalkanes which have leaving groups, in particular chlorine atoms, on tertiary ring carbons, a process for preparing them and their use as initiators for cationic polymerization, in particular the cationic polymerization of isobutene are described. Preferred compounds are 1,4-dichloro-1,4-dimethylcyclooctane, 1,5-dichloro-1,5-dimethylcyclooctane and mixtures thereof. They are prepared by addition of hydrogen chloride onto appropriately substituted cycloalkapolyenes.

Abstract: The invention relates to a method for producing mainly ethylenically unsaturated isobutene polymers, wherein the sum of proportions of molecules with a double bond in an ? position and molecules with a double bond in a position ? is increased to 75% mol by polymerising isobutene in a liquid phase in the presence of a diluted or dispersed catalyst complex which comprises (i) an electron donor and (ii) a compound of general formula (I) HaMeb[MFx]c, wherein Me is a metal with oxidation state m, M is an element selected from elements of the groups 2, 3, 4, 5, 10, 11, 13, 14 or 15 of the periodic table according to the IUPAC notation of an element oxidation number n, a is an integer ?1, b is an integer ?0, x is an integer ?2 and c is [(a+mb)/(x?n)]. The catalyst is preferably embodied in the form of HBF4O(CH3)2. The inventive method makes it possible to obtain an isobutene polymer having a low fluorine-content even using technical C4 hydrocarbon portions as an isobutene source.

Abstract: The invention relates to a mixture comprising a surfactant and a cosurfactant, the cosurfactant being an amphiphilic polymer having one or more hydrophobic subunits (A) and one or more hydrophilic subunits (B), wherein one or more hydrophobic subunits (A) have been formed on the basis of a polyisobutene block whose polyisobutene macromolecules have terminal double bonds to an extent of at least 50 mol %.

Abstract: Aqueous dispersions of copolymers are obtainable by free radical copolymerization of (A) at least one ethylenically unsaturated dicarboxylic anhydride, derived from at least one dicarboxylic acid of 4 to 8 carbon atoms, (B) at least one oligomer of branched or straight-chain C3-C10-alkene, at least one oligomer having an average molecular weight Mn of from 300 to 5 000 g/mol or being obtainable by oligomerization of at least 3 equivalents of C3-C10-alkene, (C) optionally at least one ethylenically unsaturated comonomer differing from (A), and optionally reaction with (D) at least one compound of the formula I a or I b and subsequent addition of water, where, in formulae I a and I b, A1 are identical or different C2-C20-alkylene, R1 is linear or branched C1-C30-alkyl, phenyl or hydrogen, and n is an integer from 1 to 200, the water content being from 30 to 99.5% by weight, based on aqueous dispersion.

Abstract: Substituted 7- to 12-membered cycloalkanes which have leaving groups, in particular chlorine atoms, on tertiary ring carbons, a process for preparing them and their use as initiators for cationic polymerization, in particular the cationic polymerization of isobutene are described. Preferred compounds are 1,4-dichloro-1,4-dimethylcyclooctane, 1,5-dichloro-1,5-dimethylcyclooctane and mixtures thereof. They are prepared by addition of hydrogen chloride onto appropriately substituted cycloalkapolyenes.

Abstract: The present invention relates to polyisobutenephosphonic acids and their derivatives, to a process for preparing them and to their use.