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 invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.

Abstract: The present invention relates to the use of polyethersiloxane compounds branched within the polyether moiety and preferably containing carbonate groups, as foam stabilizers in the production of polyurethane foams.

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

Abstract: The present invention relates to aqueous cold-cure flexible foam stabilizer formulations for use in the production of highly elastic cold-cure polyurethane foams or for use in the production of cold-cure flexible foam activator blends for highly elastic cold-cure polyurethane foams, wherein the aqueous cold-cure flexible foam stabilizer formulation comprises the following components a) from ?0.1 to ?80% by weight of at least one water-insoluble polysiloxane compound having a molecular weight of from ?300 g/mol to ?10 000 g/mol, b) ?2% by weight of water, c) ?0.1% by weight of surfactant, d) from ?0 to 10% by weight of additives selected from the group consisting of thickeners, antifreezes, organic solvents and biocides, e) ?0% by weight of water-soluble siloxane(s), with the proportion by weight of the abovementioned components being selected so that the sum of the proportions by weight of the components is not more than 100% by weight, based on the aqueous cold-cure flexible foam stabilizer formulation.

Abstract: Compositions suitable for producing polyurethane foams which include at least an isocyanate component, a polyol component, a catalyst catalyzing formation of a urethane or isocyanurate bond, and at least one compound containing at least one structural element of formula (I)

Abstract: Compositions suitable for producing polyurethane foams which include at least a polyol component, a catalyst catalysing the formation of a urethane or isocyanurate bond, optionally a blowing agent, optionally further additives and optionally an isocyanate component, which are characterized in that they additionally include an admixture including at least one specific amide and at least one siloxane compound, wherein the mass ratio of siloxane compounds to compounds of formula (I) is above 1:10.

Abstract: A polyether siloxane of formula (I) R1—Si(CH3)2—O—[—Si(CH3)2—O—]n—[—Si(CH3)R—O—]m—Si(CH3)2—R2??(I) where R, R1 and R2 are the same or different, R in each occurrence is the same or different and represents —(CH2)x—O—(CH2—CR?R?—O)y—R??, R? and R? are the same or different and each represent —H, —CH3, —CH2CH3 or phenyl, R?? represents —H, alkyl or acyl, R1 and/or R2 each represent methyl or R, wherein the alkylene oxide units (CH2—CR?R?—O) within a polyether residue R can be the same or different and the polyether residues R within a polyether siloxane molecule of formula (I) can be the same or different, wherein on average (number average, averaged over all compounds of formula (I)) n+m+2=>10 to 200, m=0 to 40 for R1 and/or R2 representing R or m=1 to 40 for R1 and R2 representing —CH3, x=2 to 10, y=1 to 50, at least 25% of the R?? radicals represent hydrogen and at least 50% of all polyether residues R which have an end group R??=—H have a secondary or tertiary OH end group.

Abstract: The invention provides partially endcapped polyether siloxanes, the use of these polyether siloxanes as foam stabilizers and also rigid polyurethane or polyisocyanurate foams obtained using the polyether siloxanes.

Abstract: The invention relates to a method for producing polyurethane foams using ingredients containing at least one expanding agent consisting of halogen-containing (fluorine-containing) olefins and at least a siloxane having formula (I).

Abstract: The present invention provides compounds which are liquid at a temperature of 20° C. and a pressure of 101325 Pa and are of the general formula (I) [R—O(SO)a(EO)b(CH2CHCH3O)c(BO)d]x—[PO—(OH)3-x]y—R4z, where R=cardanol radical, R4=H, M+ or alkyl having 1 to 3 C atoms, SO=styrene oxide, EO=ethylene oxide, BO=butylene oxide and a=0 to 3, b=0 to 100, preferably at least 1, c=0 to 20, d=0 to 3, x=1 to 3, y=0 or 1, with the proviso that y+z is =1, that if z=1 also x is =1, that when a, c and d are =0, b is from 1 to 15, preferably from 6 to 10, that when c or d is other than 0, one of the other indices a to d is likewise other than 0, and that the sum a+b+c+d is greater 3, a process for preparing them, compositions comprising these compounds, and the use thereof.

Abstract: The invention relates to compositions comprising linear siloxanes, comprising only one further organically modified group in addition to the Si-alkyl substitution in the siloxane chain, wherein said group is bonded to a terminal silicon atom, and to the use thereof for producing polyurethane cold foams.

Abstract: Aqueous cold-cure flexible foam siloxane formulations for use in the production of highly elastic cold-cure flexible polyurethane foams or for use in the production of cold-cure flexible foam activator solutions for highly elastic cold-cure polyurethane foams.

Abstract: The invention provides a composition which is suitable for producing polyurethane foams and comprises at least one lecithin, at least one urethane and/or isocyanurate catalyst, at least one blowing agent, at least one isocyanate component and at least one polyol component and which is characterized in that the mass ratio of lecithin to polyol component is less than 2.5:100, and also a process for producing rigid polyurethane foams, the foams themselves and their use.

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

Abstract: The invention relates to siloxane compositions containing a mixing component that is based on cashew nut shell liquid—CNSL.

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 invention relates to a process for the preparation of polyurethane cold cure foams by reacting a mixture of highly reactive polyols, which usually have an average molecular weight of from about 4800 to 6500 g/mol and at least 70% of primary hydroxyl groups and optionally contain fillers, and polyfunctional isocyanates, amine activators, crosslinking agents, tin catalysts, blowing agents and stabilizers, wherein the stabilizers used are compounds of the general formula (1) the proportion of siloxanes with N>9 being higher than 10% by weight and that with N>12 being equal to or higher than 5% by weight.

Abstract: The invention relates to a process for the targeted reorganization of polydimethylsiloxanes over sulphonic acid-containing cation exchange resins which have water contents of 8 to 25% by weight, and polydimethylsiloxanes thus prepared and the use thereof.

Abstract: Disclosed is a process for preparing copolymer dispersions made of alkylene oxides and glycidyl ethers according to formula (I) in which R1 is hydrogen or a C1-C4-alkyl radical, R2 and R4 are an alkyl or aryl radical having 1 to 30 carbon atoms, and R3 is an alkyl or aryl radical having 1 to 50 carbon atoms, which may also contain heteroatoms. A is an alkylene unit having 2 to 6 carbon atoms. In formula (1), x is a number from 0 to 10, y is a number from 0 to 10, n is a number from 0 to 100, k is a number from 1 to 100, R5 is an acid group or hydrogen, and m is a number from 1 to 500, with the proviso that (y+n) must be at least 1.