Abstract: An improved process can be used for depolymerization of polyurethanes under mild conditions. Polyether polyols and polyamines can be recovered in high yields.

Abstract: A new and improved process can be used for depolymerization of polyurethanes with a strong inorganic base. Polyether polyols and polyamines can be recovered in high yields.

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: Shaped flexible PU foam articles, preferably mattresses and/or cushions, may use a flexible polyurethane foam obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least one blowing agent and one or more catalysts that catalyze the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization and further additives, wherein the additives include one or more organic esters.

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: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.

Abstract: The invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.

Abstract: Shaped PU foam articles, preferably mattresses and/or cushions, wherein the polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least one compound of formula (1a) and at least one compound of formula (1b) and at least one blowing agent, are described.

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 invention provides a process for production of polyurethane systems by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or the trimerization of isocyanate, wherein said reacting is carried out in the presence of carrier material and polyamine P.

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 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: 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: 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) 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: The present invention relates to compositions containing polyether-siloxane copolymers which are based on branched SiH-functional siloxanes, where at least one of the polyether-siloxane copolymers has a radical —OR8 where R8=hydrogen or an alkyl radical having from 1 to 10 carbon atoms which is bound to a silicon atom, a process for producing polyurethane foam in which these compositions are used as foam stabilizers, polyurethane foams containing these compositions and the use of these polyurethane foams.

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: Preparation and use of polyurethane foams with the use of foam stabilizers of the general formula (I)

Abstract: Silicone-polyether block copolymer comprising a polyorganosiloxane which includes at least one polyether residue having a molecular weight of not less than 5000 g/mol, and wherein a weight average molecular weight of all polyether residues attached to the polyorganosiloxane by a chemical bond is above 3000 g/mol, its production and use and also compositions and polymeric articles obtained therewith.