Abstract: The invention relates to a stall floorcovering comprising a foam mat comprising expanded thermoplastic polyurethane-bead foam, to processes for producing same, and also to the use of expanded thermoplastic polyurethane-bead foam for producing the stall floorcovering.

Abstract: The use of aqueous polyurethane dispersions is described for the lamination of moldings, where the polyurethane comprises units derived from at least one amorphous polyester polyol and comprises units derived from at least one polycarbonate.

Abstract: The present invention relates to a composite material comprising nanoporous particles and at least one binder constructed from at least one isocyanate and at least one polymer P selected from the group consisting of polyvinylamine, poly(meth)acrylic acid, poly(meth)acrylic ester, polyvinyl alcohol, polyvinylthiol and mixtures thereof, wherein said at least one binder is used in an amount of 0.1 to 20 wt %, based on the amount of nanoporous particles, a composition for producing a composite material of this type, a process for producing a composite material of this type, shaped articles comprising said composite material and the use of said composite material for thermal and/or acoustical insulation.

Abstract: The present invention relates to complex security elements based on recording materials for optical elements with refractive index modulation, in particular, holograms, which are subsequently coated with specific metallic nano-shaped metal particles, a method for their manufacture, in particular on a paper or on a plastic substrate and a security product obtainable using the security element. A further aspect of the invention is the use of such a security element for the prevention of counterfeit or reproduction of a document of value.

Abstract: The present invention relates to a process for preparing polyether polyols, in which at least one hydroxyl-comprising fatty acid ester and/or at least one hydroxyl-modified fatty acid ester is reacted with the aid of a double metal cyanide catalyst in at least two process sections with in each case a mixture of ethylene oxide and at least one further alkylene oxide different from ethylene oxide.

Abstract: A process for obtaining pure aniline contains catalytically hydrogenating nitrobenzene, to obtain a reaction mixture, separating the reaction mixture into a gas phase containing hydrogen and a liquid phase, liquid/liquid phase separating the liquid phase to obtain an aqueous phase and also crude aniline containing water as an organic phase, distillatively pre-purifying the crude aniline by removing the water via an overhead stream of a first distillation column to obtain a first bottom stream, feeding the first bottom stream as a feed stream to a pure column from which a pure aniline stream is taken off at the top and a second bottom stream containing high boilers is taken off, and passing the second bottom stream to incineration, by pumping the second bottom stream through heated pipelines and by adding methanol, ethanol, propanol, and/or acetone to the second bottom stream.

Abstract: A process for handling an active catalyst includes introducing a mixture of active catalyst particles and a molten organic substance, which is at a temperature T1, and which sets at a lower temperature T2 so that T2<T1, into a mold. The mold is submerged in a cooling liquid, so as to cool the organic substance down to a temperature T3, where T3?T2. In this fashion, a casting comprising an organic substance matrix in which the active catalyst particles are dispersed, is obtained.

Abstract: Described is an organotemplate-free synthetic process for the production of a zeolitic material having an LEV-type framework structure comprising YO2 and optionally comprising X2O3, wherein said process comprises: (1) preparing a mixture comprising seed crystals and one or more sources for YO2; and (2) crystallizing the mixture obtained in step (1); wherein Y is a tetravalent element, and X is a trivalent element, wherein the zeolitic material optionally comprises one or more alkali metals M, and wherein the seed crystals comprise zeolitic material having an LEV-type framework structure.

Abstract: The invention relates to a method for conditioning double metal catalysts which are used in the production of polyether polyols. The conditioning enhances the performance of the catalyst, so that lower concentrations of the DMC catalyst can be used in polyether polyol production.

Abstract: The present invention relates to a process for separating an enantiomer mixture of (R)- and (S)-3-amino-1-butanol optionally protected on the oxygen atom, and to a process for preparing essentially enantiomerically pure (R)-3-amino-1-butanol which optionally bears a protecting group on the oxygen atom.

Abstract: A flame retardant comprising a) at least one sulfur compound of the formula (I) A1-(Z1)m—(S)n—(Z2)p-A2??(I) where the definitions of the symbols and indices are as follows: A1 and A2 are identical or different, being C6-C12-aryl, cyclohexyl, Si(ORa)3, a saturated, partially unsaturated, or aromatic, mono- or bicyclic ring having from 3 to 12 ring members and comprising one or more heteroatoms from the group of N, O, and S, where the system is unsubstituted or has substitution by one or more substituents of the group of O, OH, S, SH, COORb, CONRcRd, C1-C18-alkyl, C1-C18-alkoxy, C1-C18-thioalkyl, C6-C12-aryl, C6-C12-aryloxy, C2-C18-alkenyl, C2-C18-alkenoxy, C2-C18-alkynyl, and C2-C18-alkinoxy; Z1 and Z2 are identical or different, being —CO— or —CS—; Ra is C1-C18-alkyl; Rb, Rc, and Rd are identical or different, being H, C1-C18-alkyl, C6-C12-aryl, or an aromatic, mono- or bicyclic ring having from 3 to 12 ring members and comprising one or more heteroatoms from the group of N, O, and S; m and p are identic

Abstract: A process for preparing acrylic acid from ethylene oxide and carbon monoxide, in which ethylene oxide is carbonylated in an aprotic solvent with carbon monoxide in the presence of a cobalt catalyst system to give poly-3-hydroxypropionate, the cobalt content in the poly-3-hydroxypropionate formed is reduced with the aid of water and/or an aqueous solution as a precipitation and/or wash liquid, and the poly-3-hydroxypropionate is subsequently split by thermolysis to give acrylic acid.

Abstract: In the hydroformylation of olefins having 6 to 20 carbon atoms in the presence of a cobalt catalyst in the presence of an aqueous phase with thorough mixing in a reactor, a hydroformylation products-containing first stream is withdrawn at the top of the reactor and an aqueous phase-containing second stream is withdrawn from the bottom of the reactor. The flow rate of the second stream is controlled in accordance with a temperature which is measured at a point in the bottom of the reactor or in a line leading out of the bottom of the reactor. The yield of crude hydroformylation product is increased as a result of stable sustained operation.

Abstract: A process for producing a polycarbodiimide, comprising polymerizing a diisocyanate in the presence of a carbodiimidization catalyst in a reaction vessel in liquid phase at a temperature in the range of from 20 to 250° C., at a pressure in the range of from 20 to 800 mbar and in the presence of at least one inert gas, wherein the at least one inert gas is introduced into the liquid phase in the reaction vessel with a flow rate in the range of from 0.1 x/h to 100 x/h, x being the volume of the reaction vessel.

Abstract: The present invention relates to a method for generating energy during the expansion of natural process gas (P) prior to the supply of said natural gas to an acetylene production plant (H), which method comprises the method steps: a) supplying the natural process gas (P) from a natural process gas supply line at a temperature of ?10° C. and 50° C. and a pressure of 30 bar to 70 bar to a first heating stage (WT1) and heating the natural process gas (P) in the first heating stage (WT1) to a temperature of 20° C. to 40° C., b) supplying the natural process gas (P) heated in the first heating stage (WT1) to a second heating stage (WT2) and heating the natural process gas (P) in the second heating stage (WT2) to a temperature of 70° C. to 140° C.

Abstract: A rigid polyurethane foam obtainable by mixing a) isocyanates, b) compounds having groups which are reactive toward isocyanates, c) a blowing agent, d) a catalyst, e) one or more foam stabilizer, and optionally, f) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, wherein the isocyanates (a) have a viscosity of not more than 600 mPas at 25° C. and the compounds (b) having groups which are reactive toward isocyanates comprise (b1) 45-70 wt-% (based on the total weight of (b) of an aromatic polyester polyol having a functionality of 2.5 or less and a hydroxyl number of more than 220 mg KOH/g (b2) 20-40 wt.-% (based on the total weight of (b) of a polyether polyol having a functionality of 4 or more and a hydroxyl number of more than 400 mg KOH/g, and (b3) more than 15 wt.

Abstract: Composite structures including an ion-conducting material and a polymeric material (e.g., a separator) to protect electrodes are generally described. The ion-conducting material may be in the form of a layer that is bonded to a polymeric separator. The ion-conducting material may comprise a lithium oxysulfide having a lithium-ion conductivity of at least at least 10?6 S/cm.

Abstract: A process for preparation of a polymer product comprising the steps of i) feeding an aqueous mixture comprising a monoethylenically unsaturated monomer or a mixture of monoethylenically unsaturated monomers into a first reactor device (2) through at least one inlet; ii) partially polymerising the monomer or monomers and transferring the polymerising monomer or mixture of monomers from the inlet to an outlet (3) of the first reactor device (2) to provide a partially polymerised product; iii) flowing the partially polymerised product out of the outlet (3), in which no more than 60% of the monomer or mixture of monomers has been polymerised in the partially polymerised product as it exits the outlet (3) of first reactor device (2), and transferring it to a further reactor device (5), in which the further reactor device (5) has an inlet and an outlet (6); iv) continuing the polymerisation in the further reactor device (5) and removing the polymer product from the outlet (6) of the further reactor device (5), char

Abstract: In a process for preparing (meth)acrylic esters (E) of polyalkoxy-containing alcohols which comprises reacting polyalkoxy-containing alcohols (P) of formula (I) where R1 is hydrogen, a hydroxyl group or a straight-chain or branched, saturated or unsaturated alcohol of 1 to 30 carbon atoms, R2 and R3 are each independently H or methyl, and m and n are each independently an integer between 0 and 100, with the proviso that m and n cannot both be 0, with a (meth)acrylic anhydride (A) in the presence of at least one basic catalyst (K) having a pKB value of not more than 7.0 and of at least one sterically hindered polymerization inhibitor, the reaction mixture is quenched with a C1-C6 alkanol after the reaction has ended.

Abstract: An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) wherein A1, A2, A3, A4, A5, and A6 are independently from each other selected from H and F, wherein at least one of the group A1, A2, A3, A4, A5, and A6 is F; R is selected from R1, and C(O)OR1, and R1 is selected from C1-C6 alkyl, C3-C6 cycloalkyl, C2-C6 alkenyl, C3-C6 cycloalkenyl, C5-C7 (hetero)aryl, and C2-C6 alkinyl, wherein alkyl, cycloalkyl, alkenyl, cycloalkenyl, (hetero)aryl, and alkinyl may be substituted by one or more F; and (iv) optionally at least one further additive.