Abstract: The present invention relates to mixtures of 1,1,1,4,4,4-hexafluorobutene (1336mzzm) and 1-chloro-3,3,3-trifluoropropene (1233zd). The blends are useful as blowing agents for polymer foam, solvents, aerosol propellants and heat transfer media.

Abstract: A process for producing rigid PUR/PIR foams via the reaction of a reaction mixture comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, and A5 optionally auxiliaries and additives with B an organic polyisocyanate component. Component A1 comprises a diurethane diol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.

Abstract: The invention relates to compositions of glycidyl ester used as a stabilizer in polyurethane foams formulations having a good resistance to hydrolysis, improved damping with equivalent or improved physical properties, and high sound absorption capacity. The mono or poly-carboxylic acids glycidyl ester is used in amount of 0.1 to 10 weight % over the polyester polyol resin.

Abstract: Disclosed are ethylenically unsaturated macromers produced using a residue of an isocyanate manufacturing process. Also disclosed are preformed stabilizers produced using such macromers, polymer polyols produced using such preformed stabilizers, foam-forming compositions produced using such polymer polyols, and foam produced using such compositions.

Abstract: The present invention aims to provide a method of producing a polyether polyol having a low aldehyde content, the method including simpler steps; and a method of producing polyurethane foam having a reduced amount of aldehyde volatilization. The present invention provides a method of producing a polyether polyol (F) including step (1) of obtaining a crude polyether polyol composition (D2) having a pH higher than 5.0 by contact of a crude polyether polyol composition (D1) containing a polyether polyol (A) with an acid catalyst (B) in the presence of water, the polyether polyol (A) being obtainable by ring-opening polymerization of an alkylene oxide with an active hydrogen compound; and step (2) of removing a volatile component containing an aldehyde (C) after step (1).

Abstract: Methods and combinations for making and using one or more thermally conductive cellular foam layers comprising flexible cellular foam and metallic material particulates, and said thermally-conductive cellular foam layers may be located on, under, or in cushioning foams and mattresses or placed between on, under, within, or between other layering substrates to increase the overall cooling capability of the composite. The thermally conductive foam may be used in mattresses, pillows, bedding products, medical cushioning foams, and similar materials used in bedding environments.

Abstract: Polyol premixes and thermally insulating rigid polyurethane foams, such as those that can be used as a thermal insulation medium in the construction of refrigerated storage devices, are disclosed. A polymer polyol having a OH number of greater than 260 mg KOH/g is utilized. The resulting polyurethane foams can exhibit improved thermal insulation properties without sacrificing other important physical and processing properties.

Abstract: Recovery time and/or airflow of flexible polyurethane foam is increased by including certain tackifiers in the foam formulation. The tackifiers are characterized in being incompatible with polyol or polyol mixture used to make the foam, having a viscosity of at least 10,000 centipoise at 25° C., having a glass transition temperature of at most 15° C. and being inert to other components of the foam formulation.

Abstract: The present invention relates to preparations having improved efficacy as flame retardants, to the use thereof and to polyurethanes containing the preparations according to the invention.

Abstract: A process for producing rigid PUR/PIR foams comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, A5 optionally auxiliaries and additives, and B an organic polyisocyanate component. Component A1 comprises a triurethane triol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.

Abstract: A polyurethane foam-forming reaction mixture composition including: (I) an organic isocyanate; and (II) an admixture of: (a) at least one autocatalytic polyol; (b) at least one ethylene oxide (EO)-capped polyol; (c) at least one reactive blowing catalyst; (d) at least one surfactant; and (e) water; and a polyurethane foam prepared from the above polyurethane foam-forming reaction mixture composition.

Abstract: The present invention provides fire-retarded rigid polyurethane foam comprising the reaction product of polyol and isocyanate foam forming components and a dialkyl phosphorus-containing compound, namely a reactive mono-hydroxyl-functional dialkyl phosphinates, as flame retardant, serving as highly efficient reactive flame retardant in said rigid polyurethane foam.

Abstract: The present invention relates to a composition for preparing flexible foams and the application thereof. The composition comprises the following components: a. an isocyanate mixture comprising: a1) an aliphatic and/or alicyclic isocyanate monomer, and a2) an aliphatic and/or alicyclic; isocyanate trimer, wherein the mass ratio of said monomer to said trimer is in a range of 3:1-200:1; b. a polymer polyol mixture comprising: b1) a first polyether polyol having a number average molecular weight of not less than 3000 g/mol with an ethylene oxide content of 5-20 wt. %, b2) a second polyether polyol having a number average molecular weight of not less than 3000 g/mol with an ethylene oxide content of more than 60 wt. %, wherein the mass ratio of said first polyether polyol to said second polyether polyol is in a range of 4:1-100:1; c. an isocyanate-reactive group comprising compound having a number average molecular weight of 32-400 g/mol; d. a catalyst; e. a foaming agent; and f.

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 present disclosure provides for a polyurethane elastomer foam formed by reacting a mixture that includes 60 to 50 weight percent (wt. %) of a polyol formulation and 40 to 50 wt. % isocyanate pre-polymer (wt. % based on the total weight of the mixture). The polyol formulation includes 85 to 92 wt. % of a polytetramethylene ether glycol (PTMEG) with a weight average molecular weight of 1900 to 2100 and a hydroxyl number of about 53 to about 60; 4 to 10 wt. % of monoethylene glycol; a blowing agent; a catalyst; and a surfactant (wt. % values for the polyol formulation based on the total weight of the polyol formulation). The isocyanate pre-polymer includes 55 to 70 wt. % of a isocyanate blend having at least 90 wt. % of 4,4?-diphenylmethane diisocyanate; and 30 to 45 wt. % of the PTMEG, where the isocyanate pre-polymer has an isocyanate content of 16 to 21 wt.

Abstract: Recovery times and/or airflow of flexible polyurethane foam is increased by including certain tackifiers in the foam formulation. The tackifiers are characterized in being incompatible with polyol or polyol mixture used to make the foam, having a viscosity of at least 5,000 centipoise at 25 #C and having a glass transition temperature of at most 20 #C. The tackifier is pre-blended with certain monols to form a lower-viscosity blend that is combined with one or more other polyols and a polyisocyanate to form a reaction mixture for producing a polyurethane foam.

Abstract: This invention relates to improved flexible foams prepared from polymer polyols and to a process for preparing these improved flexible foams.

Abstract: This invention relates to a process for preparing a flexible polyurethane foam in which the isocyanate-reactive component comprises a specific isocyanate-reactive component. The invention also relates to flexible polyurethane foam wherein the isocyanate-reactive comprises the specific isocyanate-reactive component.

Abstract: A polyisocyanurate foam insulation product is produced from an isocyanate component and a polyol-containing component including a blowing agent. The polyol-containing component comprises one or more polyols, a fire retardant, and a hydroxyl-containing low-molecular-weight additive effective to increase the R-value per inch of the insulation product as measured at 40° F., as compared with an otherwise-identical formulation lacking the hydroxyl-containing low-molecular-weight additive. The polyisocyanurate foam insulation product may have an R-value per inch of at least 6.0 when measured at 40° F. and may have an R-value per inch of at least 5.5 when measured at 25° F. Suitable hydroxyl-containing low-molecular-weight additives may include triethanolamine, trimethylolpropane, N-methyldiethanolamine, 1,4 butanediol, or another suitable multi-functional alcohol or combination of multi-functional alcohols.

Abstract: This invention relates to odor control molecules comprised of polyethyleneimine compounds containing N-halamine and derivatives thereof.