Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.

Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyze the isocyanate-polyol and/or isocyanate-water and/or isocyanate trimerization reactions, and optionally one or more chemical or physical blowing agents, with use of SiOC-linked, linear polydialkylsiloxane-polyoxyalkylene block copolymers having repeat (AB) units, obtainable through the reaction of polyether diols with equilibrated ?,?-diacetoxypolydialkylsiloxanes, wherein a sufficient amount of the SiOC-linked, linear polydialkylsiloxane-polyoxyalkylene block copolymers having repeat (AB) units is added such that the proportion by mass of said component based on the finished PU foam is from 0.0001% to 10% by weight, preferably 0.01% to 6% by weight, especially 0.05% to 5% by weight.

Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.

Abstract: The present invention provides for the use of nitrogen compounds of formula (I) and/or of corresponding quaternized and/or protonated compounds for production of polyurethanes, compositions containing these compounds and polyurethane systems, especially polyurethane foams, which have been obtained using the compounds.

Abstract: The present invention relates to the use of nitrogenous compounds of formula (I) and/or corresponding quaternized and/or protonated compounds for production of polyurethanes, to compositions comprising said compounds and also to polyurethane systems, in particular polyurethane foams, obtained using said compounds.

Abstract: The present invention relates to the use of nitrogenous compounds of formula (I) and/or corresponding quaternized and/or protonated compounds for production of polyurethanes, to compositions comprising said compounds and also to polyurethane systems, in particular polyurethane foams, obtained using said compounds.

Abstract: The use of bonded siloxane block polymers of the general average formula (I) MaM1bDcD1d TeQfGg as additive in the production of PUR foam using at least one polyol component and at least one isocyanate component, wherein the polyol component used has an average hydroxyl number, determined to DIN 53240-1:2012-07, of >56 to <450 mg KOH/g, preferably 57-300 mg KOH/g, and wherein the PUR foam is produced at an isocyanate index of 65 to 108, is described.

Abstract: The invention relates to an additive suitable for increasing compressive strength during the production of polyurethane soft foam, which contains at least one compound (V) containing, (i) more than three hydrogen atoms which are reactive with respect to isocyanates, (ii) an average hydroxyl number, determined according to DIN 53240-1: 2013-06, from 110-280 mg KOH/g, preferably 120-250 mg KOH/g, and (iv) >50 wt.-% ethylene oxide bound in the molecule, wt.-% with respect to the total alkylene oxide, and to a method for producing polyurethane foams and to a polyurethane foam and to the use thereof as described.

Abstract: The present invention provides for the use of nitrogen compounds of formula (I) and/or of corresponding quaternized and/or protonated compounds for production of polyurethanes, compositions containing these compounds and polyurethane systems, especially polyurethane foams, which have been obtained using the compounds.

Abstract: Described are a method of producing polyurethane foam comprising polyolefin-based polyols by using an additive composition comprising at least one ionic surfactant A selected from ionic surfactants of formula A?M+, where A?=anion selected from the group consisting of alkyl sulphates, aryl sulphates, sulphonates, polyether sulphates, polyether sulphonates, alkyl sulphonates, aryl sulphonates, alkyl carboxylates, aryl carboxylates, saccharinates and polyether phosphates, and M+=cation, and/or at least one ionic surfactant B selected from a quaternized ammonium compound, and also at least a tertiary amine compound C having a molar mass of at least 150 g/mol, and/or an oxazasilinane D, and also polyurethane foams thus obtained and their use.

Abstract: The present invention relates to the use of nitrogenous compounds of formula (I) and/or corresponding quaternized and/or protonated compounds for production of polyurethanes, to compositions comprising said compounds and also to polyurethane systems, in particular polyurethane foams, obtained using said compounds.

Abstract: The present invention relates to the use of nitrogenous compounds of formula (I) and/or corresponding quaternized and/or protonated compounds for production of polyurethanes, to compositions comprising said compounds and also to polyurethane systems, in particular polyurethane foams, obtained using said compounds.

Abstract: The present invention relates to polysiloxane polyether copolymers which comprise at least one (polyether) moiety which comprises at least one unit —O—C(O)—O—, to a process for the production of the polysiloxane polyether copolymers, and also to the use of the polysiloxane polyether copolymers as stabilizers in the production of polyurethane foams, and also to polyurethane foams and items therefrom which are obtainable through the process.

Abstract: The present invention relates to silicone copolymers of the formula (I) which are obtained by reaction of siloxanes having SiH groups with specific compounds having one or more groups reactive toward SiH groups, especially groups having C—C multiple bonds, and optionally at least one OH group, compositions comprising these silicone copolymers, a process for producing a polyurethane foam in which an appropriate silicone copolymer or a corresponding composition is used, polyurethane foam obtainable by the process, and articles comprising or consisting of a corresponding polyurethane foam.

Abstract: The present invention relates to the use of nitrogenous compounds of formula (I) or of corresponding quaternized, or protonated compounds, for producing polyurethanes, to compositions containing these compounds and also to polyurethane systems obtained using the compounds.

Abstract: A compound of the formula (I) in which R is CH2—CH(RI), CH(RII)—CH(RII), CH2—C(RII)2, C(RII)2—C(RII)2, CH2—CH—CH2—RIV, C6H6—CH—CH2, C6H6—C(CH3)—CH2, where RI is C2 to C24 alkyl radical or alkene radical, RII is C2 to C24 alkyl radical or alkene radical, RIII is C3 to C6 alkyl radical, which is arranged linearly, and RIV is OH, Cl, OCH3, OCH2—CH3, O—CH2—CH?CH2, O—CH?CH2 molecule residue of epoxidized fats or oils, R1 and R2 independently of one another are C1-C8 alkyl, cyclopentyl or cyclohexyl, especially tert-butyl, R3 is an n-valent radical of C1-C30-alkyl, R4 is hydrogen, an n-valent radical of C1-C30 alkyl, which is optionally interrupted by one or more groups —NR5— or (where n=1-12) is an n-valent radical of C5-C12 cycloalkyl, R5 independently at each occurrence is hydrogen or methyl or —CqH2q.

Abstract: A process for production of polyurethane systems using polyether polycarbonate polyols with use of additives comprising i) ionic surfactant A selected from those of the formula A?M+ with A?=anion selected from the group comprising alkyl- and arylsulphates, polyethersulphates and -sulphonates, sulphonates, alkyl- and arylsulphonates, alkyl- and arylcarboxylates, saccharinates and polyetherphosphates, and M+=cation, b) ionic surfactant B selected from a quaternized ammonium compound, c) tertiary amine compound C having a molar mass of preferably at least 150 g/mol, and/or d) oxazasilinane D is described, as are correspondingly produced polyurethane systems, preferably polyurethane foams, and the use thereof.

Abstract: The present invention relates to an additive composition useful as additive for controlling the foam properties of polyurethane foams which is characterized in that it contains at least one ionic surfactant A selected from those of formula A?M+ where A?= anion selected from the group comprising alkyl and aryl sulphates, polyether sulphates and sulphonates, sulphonates, alkyl and aryl sulphonates, alkyl and aryl carboxylates, saccharinates and polyether phosphates, and M+= cation, and/or at least one anionic surfactant B selected from a quaternized ammonium compound, and at least one tertiary amine compound C, which has a molar mass of at least 150 g/mol, and/or at least one oxazasilinane D, a process for production of polyurethane foam by using this additive composition and also correspondingly produced polyurethane foams and use thereof.

Abstract: The use of bonded siloxane block polymers of the general average formula (I) MaM1bDcD1d TeQfGg as additive in the production of PUR foam using at least one polyol component and at least one isocyanate component, wherein the polyol component used has an average hydroxyl number, determined to DIN 53240-1:2012-07, of >56 to <450 mg KOH/g, preferably 57-300 mg KOH/g, and wherein the PUR foam is produced at an isocyanate index of 65 to 108, is described.

Abstract: Described are a method of producing polyurethane foam comprising polyolefin-based polyols by using an additive composition comprising at least one ionic surfactant A selected from ionic surfactants of formula A?M+, where A?=anion selected from the group consisting of alkyl sulphates, aryl sulphates, sulphonates, polyether sulphates, polyether sulphonates, alkyl sulphonates, aryl sulphonates, alkyl carboxylates, aryl carboxylates, saccharinates and polyether phosphates, and M+=cation, and/or at least one ionic surfactant B selected from a quaternized ammonium compound, and also at least a tertiary amine compound C having a molar mass of at least 150 g/mol, and/or an oxazasilinane D, and also polyurethane foams thus obtained and their use.