Abstract: The invention relates to a process for producing a porous polyurethane coatings, using a polyol ester as additives in an aqueous polymer dispersion, the process comprising the steps of a) providing a mixture comprising an aqueous polymer dispersion, a polyol ester, and an additive, b) foaming the mixture to give a homogeneous, fine-cell foam, c) adding at least one thickener to establish the desired viscosity of the wet foam, d) applying a coating of the foamed polymer dispersion to a suitable carrier, e) drying the coating. The invention further relates to a phosphorylated polyol ester.

Abstract: A process is described for producing PU foams, especially rigid PU foams, based on foamable reaction mixtures containing polyisocyanates, compounds having reactive hydrogen atoms, blowing agents, foam stabilizers, and possibly further additives, wherein polymer particles are additionally used, the average particle size of the polymer particles being <100 ?m, preferably <70 ?m, especially 5 to 50 ?m.

Abstract: What is described is a composition for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a foam stabilizer, optionally blowing agent, wherein the composition contains at least one catalyst that catalyses the formation of a urethane or isocyanurate bond, wherein the catalyst comprises salts of amino acid derivatives.

Abstract: What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxane, (b) a process for producing rigid polyurethane foam using hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxanes, (c) the rigid polyurethane foam thus obtainable and (d) the use thereof.

Abstract: What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises polyalkylsiloxane (PAS) containing no polyether modification, and polyether-modified siloxane, (b) a process for producing rigid polyurethane foam using polyalkylsiloxanes and polyether-modified siloxane, (c) the rigid polyurethane foam Thus obtainable and (d) the use thereof.

Abstract: Disclosed herein is a method for producing polyurethane or polyisocyanurate foams. The method involves reacting a composition (Z1) with at least one polyisocyanate, and occurs in the presence of at least one nucleating agent and a blowing agent, in which the nucleating agent and the blowing agent are mixed to obtain a composition (Z2) that is added to the composition (Z1) before it is reacted with the at least one polyisocyanate. The composition (Z1) contains (i) 100 parts by mass of a composition (ZP) including at least one polyol and at least one catalyst that catalyzes formation of a urethane, urea or isocyanuarate bond, and (ii) from 0.05 to 10 parts by mass of a surfactant TD having an HLB value below 6 and no silicon atom.

Abstract: Compositions suitable for production of polyurethane foams, comprising at least one OH-functional compound (OHC) obtainable by the partial or complete hydrogenation of ketone-aldehyde resins, wherein the OH-functional compound contains at least one structural element of the formula (1a) and optionally of the formulae (1b) and/or (1c), with R=aromatic with 6-14 carbon atoms, (cyclo)aliphatic with 1-12 carbon atoms, R1=H, CH2OH, R2=H, or a radical of the formula —(CH2—CH(R?)O—)y—H where R? is hydrogen, methyl, ethyl or phenyl and y=1 to 50, k=2 to 15, preferably 3 to 12, more preferably 4 to 11, m=0 to 13, preferably 0 to 9, l=0 to 2, where the sum of k+l+m is from 5 to 15, preferably from 5 to 12, and k>m, are 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: The use of zinc ketoiminate complexes in the production of polyurethanes is described, wherein the zinc ketoiminate complexes are obtainable by reacting a zinc compound with certain ketimines.

Abstract: Compositions suitable for production of polyurethane foams, comprising at least one OH-functional compound (OHC) obtainable by the partial or complete hydrogenation of ketone-aldehyde resins, wherein the OH-functional compound contains at least one structural element of the formula (1a) and optionally of the formulae (1b) and/or (1c), with R=aromatic with 6-14 carbon atoms, (cyclo)aliphatic with 1-12 carbon atoms, R1=H, CH2OH, R2=H, or a radical of the formula —(CH2—CH(R?)O—)y—H where R? is hydrogen, methyl, ethyl or phenyl and y=1 to 50, k=2 to 15, preferably 3 to 12, more preferably 4 to 11, m=0 to 13, preferably 0 to 9, l=0 to 2, where the sum of k+1+m is from 5 to 15, preferably from 5 to 12, and k>m, are described.

Abstract: The use of zinc ketoiminate complexes in the production of polyurethanes is described, wherein the zinc ketoiminate complexes are obtainable by reacting a zinc compound with certain ketimines.

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 invention relates to the use of polyolethers as additives in aqueous polymer dispersions for producing porous polymer coatings, preferably for producing porous polyurethane coatings.

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 invention relates to a process for producing a porous polyurethane coatings, using a polyol ester as additives in an aqueous polymer dispersion, the process comprising the steps of a) providing a mixture comprising an aqueous polymer dispersion, a polyol ester, and an additive, b) foaming the mixture to give a homogeneous, fine-cell foam, c) adding at least one thickener to establish the desired viscosity of the wet foam, d) applying a coating of the foamed polymer dispersion to a suitable carrier, e) drying the coating. The invention further relates to a phosphorylated polyol ester.

Abstract: The present invention relates to compositions which are suitable for producing polyurethane foams and contain at least one polyol component, at least one blowing agent, a catalyst which catalyzes the formation of a urethane or isocyanurate bond, a silicon-containing foam stabilizer and optionally further additives and optionally an isocyanate component, characterized in that they contain at least one unsaturated halogenated hydrocarbon as blowing agent and additionally at least one surfactant TD which does not have a silicon atom and has an HLB of less than 10, where the proportion of the sum of the surfactants TD in the composition is from 0.05 to 20 parts by mass per 100 parts by mass of polyol components, a process for producing polyurethane and polyisocyanurate foams, in particular rigid foams, starting out from these polyol compositions, the use of the foams, in particular as insulation material, and also the insulation materials themselves.

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: Compositions suitable for production of polyurethane foams, comprising at least one OH-functional compound (OHC) obtainable by the partial or complete hydrogenation of ketone-aldehyde resins, wherein the OH-functional compound contains at least one structural element of the formula (1a) and optionally of the formulae (1b) and/or (1c), with R=aromatic with 6-14 carbon atoms, (cyclo)aliphatic with 1-12 carbon atoms, R1=H, CH2OH, R2=H, or a radical of the formula —(CH2—CH(R?)O—)y—H where R? is hydrogen, methyl, ethyl or phenyl and y=1 to 50, k=2 to 15, preferably 3 to 12, more preferably 4 to 11, m=0 to 13, preferably 0 to 9, l=0 to 2, where the sum of k+l+m is from 5 to 15, preferably from 5 to 12, and k>m, are described.

Abstract: The use of particular silicon-containing compounds in the production of porous polyurethane layers for improving the flow properties of the reaction mixture which is reacting to form the polyurethane layer and/or for optimizing the cells of the resulting polyurethane layer, preferably for homogenizing the cell structure over the entire resulting polyurethane layer, especially in the context of artificial leather or foam film production, is described.

Abstract: Ageing-resistant and low-emission mattresses and/or cushions comprising at least one section of flexible polyurethane foam, wherein the flexible polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of the compound of the formula (I) and at least one blowing agent, are described.