Abstract: Aqueous emulsions contain: (A) ?-ketocarbonyl-functional organosilicon compounds having at least one Si—bonded radical A of the formula (Si)-L1-[X1-L2-]yX2??(I) where L1 are divalent, Si—C-bonded C1-18 hydrocarbon radicals, L2 are divalent C1-6 hydrocarbon radicals, X1 is a radical —O—, —NZ—, —NR2— or —S—, X2 is a radical —O—Z, —NH—Z, —NR2—Z, —S—Z, Z is a radical —C(?O)—CHR3—C(?O)—CH2R3, R2 is a monovalent C1-18 hydrocarbon radical, R3 is a monovalent, optionally substituted C12 hydrocarbon radical atoms, y is 0, 1, 2 or 3 (B) at least one salt of a saturated or unsaturated fatty acid having at least 10 carbon atoms, and (C) water, with the proviso that no nonionic emulsifier having an HLB of less than 15 is present.

Abstract: Aqueous emulsions contain: (A) ?-ketocarbonyl-functional organosilicon compounds having at least one Si-bonded radical A of the formula (Si)-L1-[X1-L2-]yX2 ??(I) where L1 are divalent, Si-C-bonded C1-18 hydrocarbon radicals, L2 are divalent C1-6 hydrocarbon radicals, Xi is a radical —O—, —NZ—, —NR2— or —S—, X2 is a radical —O—Z, —NH—Z, —NR2—Z, —S—Z, Z is a radical —C(?O)—CHR3—C(?O)—CH2R3, R2 is a monovalent C1-18 hydrocarbon radical, R3 is a monovalent, optionally substituted C12 hydrocarbon radical atoms, y is 0, 1,2 or 3 (B) at least one salt of a saturated or unsaturated fatty acid having at least 10 carbon atoms, and (C) water, with the proviso that no nonionic emulsifier having an HLB of less than 15 is present.

Abstract: Defoamer preparations contain a polyorganosiloxane having aryl groups bonded to silicon at a ring carbon, filler particles and/or silicone resin particles, and a polyoxyalkylene polyether containing oxypropylene moieties. In addition to being efficient and compatible, the defoamer compositions retain their efficiency, especially in liquid detergents, after storage.

Abstract: Effective defoamer compositions contain two different aryl-substituted organopolysiloxanes and filler particles, and show high defoaming capability.

Abstract: Defoamer preparations contain a polyorganosiloxane having aryl groups bonded to silicon at a ring carbon, filler particles and/or silicone resin particles, and a polyoxyalkylene polyether containing oxypropylene moieties. In addition to being efficient and compatible, the defoamer compositions retain their efficiency, especially in liquid detergents, after storage.

Abstract: Aqueous dispersions which are storage stable and cure to tack-free elastomers upon removal of water contain water, alkoxysilyl-terminated polyethers and alkoxy-functional siloxanes, optionally catalysts, fillers, and other additives customary in dispersions of organosilicon compounds.

Abstract: Textile fabrics are rendered water repellent yet breathable by impregnating with an organopolysiloxanes of the formula R13SiO[SiR1(OR2)O]x[SiR12O]y[SiR1R3O]zSiR13??(I).

Abstract: Organopolysiloxane emulsions which are stable and of large particle size are produced in controllable fashion using a cylindrical mixer having multiple inlets and axially displaced rotor stator units.

Abstract: Aqueous emulsions containing a high proportion of aminoalkyl-functional organopolysiloxane and a lesser proportion of emulsifying surfactant are stable and clear when the emulsifying surfactant comprises an ethoxylated linear alcohol having 10 carbon atoms or less.

Abstract: Organopolysiloxane emulsions which are stable and of large particle size are produced in controllable fashion using a cylindrical mixer having multiple inlets and axially displaced rotor stator units.

Abstract: Effective defoamer compositions contain two different aryl-substituted organopolysiloxanes and filler particles, and show high defoaming capability.

Abstract: Textile fabrics are rendered water repellent yet breathable by impregnating with an organopolysiloxanes of the formula R13SiO[SiR1(OR2)O]x[SiR12O]y[SiR1R3O]zSiR13??(I).

Abstract: Aqueous dispersions which are storage stable and cure to tack-free elastomers upon removal of water contain water, alkoxysilyl-terminated polyethers and alkoxy-functional siloxanes, optionally catalysts, fillers, and other additives customary in dispersions of organosilicon compounds.

Abstract: A method for producing aqueous silicone emulsions containing highly viscous polyorganosiloxanes having a low content of cyclic siloxanes in several steps; the addition of acidic compounds intended to catalyze polycondensation of the polyorganosiloxanes being carried out only after an emulsion is produced in the first step exclusively with nonionogenic emulsifiers, without impairing the rate of the polycondensation reaction.

Abstract: Effective and long lasting defoamer compositions are prepared by admixing an organopolysiloxanes, a hydrophilic silica, a hydrophobic silica, optionally an organopolysiloxanes resin, and optionally a water insoluble inorganic compound, at a temperature of 50° C. to 250° C. until the viscosity of the composition has decreased to at least half its original viscosity prior to heating.

Abstract: A method for producing aqueous silicone emulsions containing highly viscous polyorganosiloxanes having a low content of cyclic siloxanes in several steps; the addition of acidic compounds intended to catalyse polycondensation of the polyorganosiloxanes being carried out only after an emulsion is produced in the first step exclusively with nonionogenic emulsifiers, without impairing the rate of the polycondensation reaction.

Abstract: Stable aqueous organosilicon dispersions particularly useful for the hydrophobing of construction materials are prepared by first preparing a homogenous mixture of organopolysiloxanes and hydrophobic silica filler, and dispersing this mixture together with an alkylalkoxysilane bearing at least one C4 or greater alkyl group into water.

Abstract: Effective and long lasting defoamer compositions are prepared by admixing an organopolysiloxanes, a hydrophilic silica, a hydrophobic silica, optionally an organopolysiloxanes resin, and optionally a water insoluble inorganic compound, at a temperature of 50° C. to 250° C. until the viscosity of the composition has decreased to at least half its original viscosity prior to heating.

Abstract: Aqueous emulsions of high viscosity organopolysiloxanes can be prepared having a very low content of cyclic siloxanes by condensing low molecular weight alkoxy-functional organopolysiloxanes in aqueous emulsion with an alkylphosphate emulsifier and at least one selected polyoxyethylene non-ionic surfactant.

Abstract: Stable aqueous organosilicon dispersions particularly useful for the hydrophobing of construction materials are prepared by first preparing a homogenous mixture of organopolysiloxanes and hydrophobic silica filler, and dispersing this mixture together with an alkylalkoxysilane bearing at least one C4 or greater alkyl group into water.