Abstract: The present disclosure relates to a process for producing polyurethanes including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) catalysts and optionally (d) blowing agents, (e) chain-extending and/or crosslinking agents and (f) auxiliaries and/or additives to afford a reaction mixture and reacting the reaction mixture to afford polyurethane. The polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component. The acid component includes malonic acid and/or derivatives thereof and the alcohol component includes an aliphatic dialcohol having 4 to 12 carbon atoms. The present disclosure further relates to a polyurethane obtainable by such a process and to a method of using in enclosed spaces.

Abstract: The invention relates in a first aspect to a process for producing a polyurethane foam, comprising the reaction of (a) an isocyanate composition comprising at least one polyisocyanate based on diphenylmethane diisocyanate; (b) a polyol mixture, wherein the polyol mixture comprises (b1) 50% to 85% by weight of at least one polyether polyol having a hydroxyl value in the range from 10 to 60 mg KOH/g, an OH functionality of more than 2, and an ethylene oxide proportion in the range from 50% to 100% by weight based on the alkylene oxide content of the at least one polyether polyol, and (b2) 15% to 50% by weight of at least one polyether polyol having a hydroxyl value in the range from 10 to 100 mg KOH/g, an OH functionality of more than 2, an ethylene oxide proportion in the range from 2% to 30% by weight based on the alkylene oxide content of the at least one polyether polyol, and a proportion of primary OH groups of 40 to 100% based on the total number of OH groups in the at least one polyether polyol, in each

Abstract: An asphalt composition comprising 0.1 to 8 wt.-% based on the total weight of the composition of an Isocyanate as thermosetting reactive compound and 0.1 to 8 wt.-% based on the total weight of the composition of a plasticizer selected from the group consisting of orthophthalates, terephthalates, cyclohexanoates, azelates, actetates, butyrates, valeriates, alkylsulfonates, adipates, benzoates, dibenzoates, citrates, maleates, phosphates, sebacates, sulfonamides, epoxy es-ters, trimellitates, glycerol esters, succinates, mineral oils and polymeric plasticizers or mixtures thereof, wherein the polymeric plasticizer is selected from the group consisting of Hexanedioic acid polymer with 2,2-dimethyl-1,3-propanediol and 1,2-propanediol isononyl ester, Hexanedioic acid polymer with 1,2-propanediol octyl ester and Hexanedioic acid polymer with 1,2-propanediol acetate or mixtures thereof.

Abstract: The present invention relates to a process for the preparation of an asphalt mix composition, said process comprising: (1) providing an asphalt composition and heating said composition to a temperature in the range of from 110 to 200° C.; (2) providing a granular material and heating said material to a temperature in the range of from 110 to 240° C.; (3) providing one or more thermosetting reactive compounds; (4) adding the one or more thermosetting reactive compounds provided in (3) to the asphalt composition obtained in (1) and homogenizing the mixture for a duration in the range of from 2 to 180 s; (5) adding the mixture obtained in (4) to the granular material obtained in (2) and homogenizing the slurry for a duration in the range of from 5 to 180 s. Further, the present invention relates to an asphalt mix composition obtained or obtainable by said process and its use.

Abstract: Method for lowering the formaldehyde emissions of melamine/formaldehyde polymer moldings, films or fibers by impregnating the melamine/formaldehyde polymer moldings, films or fibers with an aqueous solution of at least one formaldehyde scavenger.

Abstract: The present invention relates to polyol mixtures comprising (b1) at least one polyether polyol having a hydroxyl value of 10 to 60 mg KOH/g and having a high proportion of ethylene oxide, (b2) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not less than 40% primary OH groups, and (b3) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not more than 30% primary OH groups, and b5) from 0.25 to 10 further parts by weight of polyurea, based on 100 parts by weight of components b1) to b3), optionally present as a constituent of a dispersion polyol based on one or more of components b1) to b3).

Abstract: An asphalt composition comprising 0.1 to 10.0 wt.-% monomeric MDI based on the total weight of the composition.

Abstract: An asphalt composition comprising 0.1 to 10.0 wt.-% based on the total weight of the composition of a thermosetting reactive compound selected from the group consisting of polymeric MDI, epoxy resins and melamine formaldehyde resins, wherein at least 18% by weight based on the total weight of the composition are particles with a sedimentation coefficient above 5000 Sved in a white spirit solvent.

Abstract: An asphalt composition comprising 0.1 to 8 wt.-% based on the total weight of the composition of an Isocyanate as thermosetting reactive compound and 0.1 to 8 wt.-% based on the total weight of the composition of a polymer selected from the group consisting of styrene/butadiene/styrene copolymer (SBS), styrene butadiene rubber (SBR), neoprene, polyethylene, low density polyethylene, oxidized high density polyethylene, polypropylene, oxidized high density polypropylene, maleated polypropylene, ethylene-butyl-acrylate-glycidyl-methacrylate terpolymer, ethyl vinyl acetate (EVA) and polyphosphoric acid (FRA).

Abstract: The present disclosure relates to a process for producing polyurethanes including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) catalysts and optionally (d) blowing agents, (e) chain-extending and/or crosslinking agents and (f) auxiliaries and/or additives to afford a reaction mixture and reacting the reaction mixture to afford polyurethane. The polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component. The acid component includes malonic acid and/or derivatives thereof and the alcohol component includes an aliphatic dialcohol having 4 to 12 carbon atoms. The present disclosure further relates to a polyurethane obtainable by such a process and to a method of using in enclosed spaces.

Abstract: An asphalt composition comprising 0.1 to 10.0 wt.-% based on the total weight of the composition of a thermosetting reactive compound selected from the group consisting of polymeric MDI, epoxy resins and melamine formaldehyde resins, wherein at least 18% by weight based on the total weight of the composition are particles with a sedimentation coefficient above 5000 Sved in a white spirit solvent.

Abstract: The present invention relates to polyol mixtures comprising (b1) at least one polyether polyol having a hydroxyl value of 10 to 60 mg KOH/g and having a high proportion of ethylene oxide, (b2) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not less than 40% primary OH groups, and (b3) at least one polyether polyol having a hydroxyl value of 10 to 100 mg KOH/g, a low proportion of ethylene oxide, and not more than 30% primary OH groups. The invention further relates to a process for producing flexible polyurethane foams using the mixtures according to the invention, to the thereby obtainable flexible polyurethane foams, and to the use of the thereby obtainable flexible polyurethane foams as a mattress or cushion, as a cushioning element for furniture or as a seat element.

Abstract: Process for producing a flame-retardant polyurethane foam of density from 5 to 50 g/L, by mixing (a) organic polyisocyanate with (b) polymeric compounds having at least two hydrogen atoms reactive toward isocyanates, (c) optionally chain extender and/or crosslinking agent, (d) flame retardant, (e) blowing agent, (f) catalysts, and optionally (g) auxiliary and additives to give a reaction mixture and permitting said reaction mixture to react completely, where the flame retardant (d) comprises expandable graphite and oligomeric organophosphorus flame retardant. The present invention further relates to a flame-retardant polyurethane foam which can be produced by a process of the invention, and also to the use of this foam in vehicles for acoustic insulation.

Abstract: Provided herein is a process for the production of polyurethanes with reduced aldehyde emission, wherein a CH-acidic compound which has one or more alkylene oxide units is added to the reaction mixture for the production of the polyurethane. Further provided herein are polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.

Abstract: The present invention relates to a process for the production of polyurethanes where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) polymer P formed from ethylenically unsaturated monomers and having an average of more than 2 functional groups of the formula —O—NH2 and optionally (e) blowing agent, (f) chain extender and/or crosslinking agent, and (g) auxiliaries and/or additives are mixed to give a reaction mixture, and the reaction mixture is allowed to complete a reaction to give the polyurethane. The present invention further relates to polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.

Abstract: The present invention relates to a process for the production of polyurethanes where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) sulfur-carbon compounds selected from the group consisting of sulfinic acid derivatives of the general formula (I) and/or sulfonic acid derivatives according to the general formula (II) where R1 and R2 can be identical or different and are respectively any desired substituted or unsubstituted hydrocarbon moiety, with the proviso that the carbon atom bonded to the sulfur atom is an aliphatic carbon atom, and optionally (e) blowing agent, (f) chain extender and/or crosslinking agent, and (g) auxiliaries and/or additives are mixed to give a reaction mixture, and the reaction mixture is allowed to complete a reaction to give the polyurethane. The present invention further relates to polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.

Abstract: The present invention relates to the synthesis of polymer polyols in unsaturated polyols as liquid phase, polymer polyols and their use.

Abstract: Described herein is a process for producing a polyurethane where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) compounds of a general formula R(—S)n, where R is any desired moiety, n is any desired number from 1 to 8, and S is a moiety of formula 1: and optionally (e) blowing agents, (f) chain extenders and/or crosslinking agents, and (g) auxiliaries and/or additional substances are mixed to give a reaction mixture, and the reaction mixture is reacted to completion to give the polyurethane.

Abstract: The present invention relates to polyurethanes obtained by mixing to give a reaction mixture of (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts comprising incorporable amine catalysts, (d) phosphoric esters, polyphosphates, phosphonic esters, and/or phosphorous esters, and optionally (e) blowing agents, (f) chain extenders and/or crosslinking agents, and (h) auxiliaries and/or additives, and completing the reaction of the reaction mixture to give the polyurethane. The invention further relates to a process for producing these polyurethanes and to their use in automobile interiors.

Abstract: The present invention relates to a process for the production of polyurethanes where (a) polyisocyanate, (b) polymeric compounds having groups reactive toward isocyanates, (c) catalysts, (d) a CH-acidic compound of the general formula R1—CH2—R2, where R1 and R2 independently of one another are an electron-withdrawing moiety of the general formula —C(O)—R3 or —CN, where the moiety R3 is selected from the group consisting of —NH2, —NH—R4—NR5R6, OR7 or R8, where R4, R5, R6, R7, and R8 are independently selected from the group consisting of aliphatic, araliphatic or aromatic hydrocarbons, which may have substitution, and optionally (e) blowing agent, (f) chain extender and/or crosslinking agent, and (g) auxiliaries and/or additives are mixed to give a reaction mixture, and the reaction mixture is allowed to complete a reaction to give the polyurethane. The present invention further relates to polyurethanes produced by this process and to the use of these polyurethanes in the interior of means of transport.