Abstract: A method for producing a silylated polyurethane including the steps: (A) converting (i) at least polyol compound having a molecular weight of 4,000-30,000 g/mol and at least one monofunctional compound relative to isocyanates and (ii) at least one diisocyanate at a stoichiometric excess of the sum of the polyol compound(s) and monofunctional compound relative to the diisocyanate compound(s), whereby a hydroxyl-terminated polyurethane prepolymer is formed; and (B) converting the polyurethane prepolymer and one or more isocyanate silane(s) of the formula (I): OCN—R—Si—(R1)m(-OR2)3-m, where m is 0, 1 or 2, each R2 is an alkyl radical having 1 to 4 carbon atoms, each R1 is an alkyl radical having 1 to 4 carbon atoms, and R is a difunctional organic group. Also compounds comprising the silylated polyurethane that can be so produced, and the use thereof as an adhesive and sealant or coating composition.

Abstract: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with a silyl functionalization of the A blocks.

Abstract: Polyether block copolymers of the general structure B-(A-OH)n are described, where n is greater than or equal to 2 and blocks A are made up of polyoxypropylene units and the central block B of polyoxytetramethylene, polyoxyethylene, polybutadiene, polyisoprene, polyacrylate, polymethacrylate, polyamide, polyurethane, or polyester units. These polyether block copolymers are suitable for the manufacture of compositions that serve as the basis for preparations for use as a one-component moisture-hardening or two-component adhesive or sealant, for assembly bonding, for areal bonding, and/or for coating, as a reactive melt adhesive or as a laminating adhesive.

Abstract: The invention relates to a one-component, moisture-curing adhesive containing at least one polyoxyalkylene and/or poly(methyl)acrylate prepolymer having at least one hydrolyzable silane group, at least one filler, and auxiliary materials and additives, wherein the prepolymer has a molecular weight of 4,000 to 40,000 g/mol and the adhesive has a viscosity of 200 to 10,000 mPas.

Abstract: Curable compositions are disclosed, containing at least one organopolysiloxane, which contains at least one hydroxyl group and/or group which can be hydrolyzed, in aqueous dispersion, i) at least one oganopolysiloxane having a dynamic viscosity of 0.05 to 7 (measured according to Brookfield DV-II+, spindle 3, 23° C.), which is free of hydroxyl groups and/or groups which can be hydrolyzed, in aqueous dispersion, at least one cross-linking agent, at least one emulsifier, at least one cross-linking catalyst, at least one aqueous silicon-free polymer dispersion, at least one filler, and optionally water. The compositions are suitable as sealants, adhesives, or coating agents for application in the construction field, in particular in the sanitary field and in the kitchen field. They are characterized in relation to aqueous silicone preparations known up to this point by an improved adhesion spectrum, in particular on plastic substrates.

Abstract: The invention relates to reactive, urea-bonded alkoxysilanes based on polyether block copolymers reacted with diisocyanate, said copolymers being of the structure B-An in which the central block B consists of polyoxytetramethylene, polyoxyethylene, polybutadiene, polyisoprene, polyacrylate, polymethacrylate, polyamide, polyurethane or polyester units and the blocks A consist of polyoxypropylene units, and to a method for producing such alkoxysilanes. Preparations containing one or more urea-bonded alkoxysilanes can be used as an adhesive, sealant or coating agent.

Abstract: A solvent-free and anhydrous hardenable composition that contains at least one polymer A. Polymer A being obtainable by reacting a polyether with at least one ethylenically unsaturated silane in the presence of a radical starter, the ethylenically unsaturated silane carrying at least one hydrolyzable group on the silicon atom. The composition provides low viscosity prior to curing along with good elasticity after curing and a broad adhesion spectrum in a solvent-free and water-free hardenable composition. Also methods for producing the composition and use of the composition as an adhesive, sealant, or coating agent.

Abstract: Provided are polydisulfides that are useful in moisture curable sealants. The polydisulfides have an S—S link in the backbone and are end-capped with at least one alkoxysilane functional group. Also provided are methods of making the polydisulfides, including methods that do not require the presence of a catalyst.

Abstract: The invention relates to silane cross-linking curable compositions, comprising a polymer P with at least two terminal groups of the following formulae (I) and (II) -Am-K1-SiXYZ (1), -Am-K2-SiXYZ (II), and/or two polymers P1 and P2, the polymer P1 having terminal groups of the following formula (I) -Am-K1-SiXYZ (I), and the polymer P2 having terminal groups of the following formula (II) -Am-K2-SiXYZ (II). In said formulae, A represents a bivalent binding group K1 and K2 independently of one another represent a bivalent aliphatic hydrocarbon group with a main chain of between 1 and 6 carbon atoms, the hydrocarbon groups K1, K2 being different, X, Y and Z independently of one another represent a hydroxy group of a hydrolysable group and m stands for 0 or 1.

Abstract: The invention relates to silane cross-linking curable compositions, comprising a polymer P with at least two terminal groups of the following formulae (I) and (II) -Am-K1—SiXYZ (I), -Am-K2—SiXYZ (II), and/or two polymers P1 and P2, the polymer P1 having terminal groups of the following formula (I) -Am-K1—SiXYZ (I), and the polymer P2 having terminal groups of the following formula (II) -Am-K2—SiXYZ (II). In said formulae, A represents a bivalent binding group K1 and K2 independently of one another represent a bivalent aliphatic hydrocarbon group with a main chain of between 1 and 6 carbon atoms, the hydrocarbon groups K1, K2 being different, X, Y and Z independently of one another represent a hydroxy group of a hydrolysable group and m stands for 0 or 1.

Abstract: This disclosure relates to a curable composition comprising at least one polymer A with at least one reactive silyl group and at least one polymer B with at least one reactive silyl group, the number of reactive silyl groups in the polymer A being greater or equal to the number of silyl groups in polymer B and the reactive silyl groups being capable of cross-linking to form siloxane bonds. The disclosure also relates to preparations containing a composition of this type and to the use of said compositions.

Abstract: The invention relates to a controlled polymerization method for producing ABA-triblock copolymers on the basis of (meth)acrylate with A-blocks having a narrow, monomodal molecular weight distribution, and a B-block having a wide, monomodal molecular weight distribution. The invention further relates to the use thereof as binders in glues or sealing compounds.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad monomodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: The invention relates to a controlled polymerization method for producing telechelics on the basis of (meth)acrylate, which have a wide, monomodal molecular weight distribution, and to the use thereof as binders in glues or sealing materials.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad bimodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: The invention relates to a foamable mixture which contains at least one alkoxysilane-terminated prepolymer and which can be produced of a) at least one alkoxysilane that was functionalized with isocyanate groups and that can be produced of at least one hydroxyfunctional and/or aminofunctional alkoxysilane and at least one diisocyanate or polyisocyanate, and b) at least one compound that contains at least one OH group, and at least one blowing agent, characterized in that the foamable mixture has a dynamic viscosity of 100 to 25,000 mPas, preferably 500 to 10,000 mPas, at 23° C. The invention further relates to a method for producing said foamable mixture. The foamable mixtures according to the invention are suitable for sealing, insulating and mounting joints, roof surfaces, windows and doors or for filling hollow spaces.

Abstract: The invention relates to a controlled polymerization method for producing telechelics on the basis of (meth)acrylate, which have a bimodal molecular weight distribution, and to the use thereof as binders in glues or sealing compounds.

Abstract: The invention relates to a controlled polymerization method for producing ABA-triblock copolymers on the basis of (meth)acrylate with A-blocks which have a narrow, monomodal molecular weight distribution and a B-block which has a bimodal molecular weight distribution, and to the use thereof as binders in glues and sealing materials

Abstract: The invention relates to a cross-linkable composition containing 10-50% by weight of silane-group terminated polymers with a number average molecular weight of between 3,000 and 30,000 g/mol, 0.5 to 20% by weight of (meth)acrylate block copolymers of type A(BA)n, where n=1 to 5 and said copolymers contain at least two hydrolysable silane groups, 85 to 40% by weight of fillers and auxiliary agents, the sum of the constituents totalling 100%. The invention is characterised in that the (meth)acrylate block copolymers have a number average molecular weight of between 5,000 and 100,000 g/mol and that the silane groups are contained in at least one block A or B and said groups are not terminal in the polymer chain.

Abstract: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with a silyl functionalization of the A blocks.