Abstract: The present invention relates to a process for producing integral polyurethane foams, in which a) organic polyisocyanates are mixed with b) relatively high molecular weight compounds having at least two reactive hydrogen atoms, c) blowing agents, d) dialkyl cyclohexanedicarboxylates and, if appropriate, e) chain extenders and/or crosslinkers, f) catalysts and g) other auxiliaries and/or additives to form a reaction mixture, the reaction mixture is introduced into a mold and allowed to react to form an integral polyurethane foam. The present invention further relates to integral polyurethane foams comprising dialkyl cyclohexanedicarboxylates, the use of such foams in the interior of road vehicles or as shoe soles and the use of dialkyl cyclohexanedicarboxylates as internal mold release agents in the production of integral polyurethane foams.

Abstract: Process for preparing rigid urethane-modified polyisocyanurate foams from polyisocyanates and polyfunctional isocyanate-reactive components in the presence of a blowing agent, a metal salt trimerisation catalyst and a functionalised carboxylic acid.

Abstract: A polyurethane foam for vehicles is obtained by reaction, foaming, and curing of a polyurethane-foam raw material comprising polyol, polyisocyanate, a blowing agent, and a catalyst, and is used for vehicle parts. The foam raw material comprises expanded graphite and an inorganic compound hydrate. The polyol preferably comprises polymeric polyol in which a polyether polyol is graft-polymerized with a vinyl monomer, polyether polyol having a mass average molecular weight of from 400 to 1,000, in which a polyhydric alcohol is addition-polymerized with an alkylene oxide, and polyether polyol having a mass average molecular weight of from 2,000 to 4,000 in which a polyhydric alcohol is addition-polymerized with an alkylene oxide.

Abstract: Composite and laminated composite padding materials or cushions formed from an elastic foam matrix structurally supporting and encapsulated gel elements are disclosed. Methods of manufacturing such composite and laminated composite padding materials or cushions are also disclosed.

Abstract: A polyurethane foam reaction system to fix over an area of a vacuum insulation panel (VIP) on an inside of an outer wall of a cooling apparatus and/or on a outside of a wall of a inner container of the cooling apparatus, where the reaction system includes the following components: an organic and/or a modified organic polyisocyanate; at least one high molecular weight compound having at least two hydrogen atoms which are reactive toward a isocyanate group; a blowing agent; a catalyst; and a foam stabilizer, where the components are selected to obtain a closed-cell polyurethane foam having a free-foamed density of 50 to 1100 g/l and a compressive strength of ?15 kPa, excluding rigid integral foams.

Abstract: A polyurethane foam is obtained by reacting, foaming, and curing raw material that includes a polyol, a polyisocyanate, a blowing agent, a catalyst, and an inorganic compound hydrate. The raw material includes, as the polyol, a polymeric polyol obtained by graft polymerization of a vinyl monomer onto a polyether polyol and a polyether polyol obtained by addition polymerization of an alkylene oxide to a polyhydric alcohol and having a mass average molecular weight of 400 to 1,000. The blending quantity of the inorganic compound hydrate is 10 to 80 parts by mass per 100 parts by mass of the polyol. Preferably, the raw material further includes, as the polyol, a polyether polyol obtained by addition polymerization of an alkylene oxide to a polyhydric alcohol and has a molecular weight of 2,000 to 4,000.

Abstract: The invention relates to the surprising and unexpected discovery that a sub-group of phenolic resins (i.e., those which are substantially completely free of ether moieties) is particularly advantageous to confer load building properties to an isocyanate-based foam (e.g., a polyurethane foam). Indeed, its possible to utilize the sub-group of phenolic resins to partially or fully displace copolymer polyols conventionally used to confer load building characteristics to isocyanate-based polymer foams. Further, the invention relates to the surprising and unexpected discovery that a sub-group of phenolic resins (i.e., those which are substantially completely free of ether moieties) is particularly advantageous to confer energy absorption properties in an isocyanate-based foam.

Abstract: This invention relates to fire-resistant, flexible, molded, medium density polyurethane foams. These foams typically have a density of from 10 to 30 pcf. The foams are the reaction product of a) at least one polyester polyol, b) at least one highly branched polyether polyol, c) at least one chain extender, d) a polymethylene poly(phenyl isocyanate), an isocyanate group containing prepolymer based on a polymethylene poly(phenyl isocyanate), or mixtures thereof, e) a solid flame retardant and f) water. This invention also relates to a process for preparing these polyurethane foams in open molds.

Abstract: Implantable biocompatible polymeric medical devices include a substrate with an acid or base-modified surface which is subsequently modified to include click reactive members.

Abstract: The invention relates to a method for producing metal nanoparticles, wherein metal ions are reduced by means of at least one reducing agent in the presence of at least one polymer stabilizer and are converted into metal nanoparticles. The invention further relates to metal nanoparticles obtained in this way and to the use thereof.

Abstract: The present invention relates to a process for preparing aminotriazine alkoxylates, which comprises at least one aminotriazine alkoxylate (a) being admixed with at least one aminotriazine (b) and reacted with at least one alkylene oxide (c), wherein the aminotriazine alkoxylate (a) is obtainable by reacting at least one aminotriazine (d) with at least one alkylene oxide (e) and/or at least one alkylene carbonate (g), and optionally at least one aminotriazine alkoxylate (f).

Abstract: The invention provides a cellular polyurethane foam composition for forming a cellular ceramic under fire conditions, the composition comprising: at least 40% by weight based on the total weight of the composition of a polyurethane; from 10% to 40% by weight based on the total weight of the composition of silicate mineral filler; from 5% to 20% by weight based on the total weight of the composition of at least one inorganic phosphate that forms a liquid phase at a temperature of no more than 800° C.; from 0.1% to 10% by weight based on the total weight of the composition of a heat expandable solid material; and wherein the total proportion of inorganic components constitutes in the range of from 20% to 60% by weight of the total composition.

Abstract: A method for producing a foamed mass system comprising thermally sensitive substances, wherein the mass system is foamed at a first temperature in a first step, and the thermally sensitive substances are added to the mass system in a subsequent step at a second temperature lower than the first temperature

Abstract: Systems for bone fracture repair are disclosed. One system includes a biocompatible putty that may be packed about a bone fracture to provide full loadbearing capabilities within days. The disclosed putties create an osteoconductive scaffold for bone regeneration and degrade over time to harmless 5 resorbable byproducts. Fixation devices for contacting an endosteal wall of an intramedullary (IM) canal of a fractured bone are also disclosed. One such fixation device includes a woven elongated structure fabricated from resorbable polymer filaments. The woven elongated structure has resilient properties that allow the woven 10 structure to be radially compressed and delivered to the IM canal using an insertion tube. When the insertion tube is removed, the woven structure expands towards its relaxed cross-sectional width to engage the endosteal wall. The woven elongated structure is impregnated with a resorbable polymer resin that cures in situ, or in the IM canal.

Abstract: The invention relates to graft polyols with a bimodal particle size distribution and a total solid content of between 5 and 65 wt. %. Said polyols contain small particles with a particle diameter of between 0.05 and 0.7 ?m and large particles with a particle diameter of between 0.4 and 5.0 ?m, whereby the peaks of the large and small particles measured during a representation according to the light-scattering analysis method do not overlap. The total solid content with the defined particle sizes consists of a volumetric fraction of between 5 and 45% small particles and a volumetric fraction of between 95 and 55% large particles, said volumetric fractions totalling 100%. The invention also relates to a method for producing graft polyols of this type and to the use thereof for producing polyurethanes.

Abstract: A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.

Abstract: The present invention generally relates to polyurethane foam composition. In one embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of one or more liquid and/or solid fire-retardants. In another embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of one or more intumescent materials (e.g., expandable graphite (EG)). In still another embodiment, the present invention relates to polyurethane foam compositions that have increased and/or improved fire-retardant properties due to the inclusion of expandable graphite.

Abstract: The invention relates to a various methods of adding a liquid additive to a foam whereby the location of the additive within the foam can be precisely controlled. It also describes embodiments of a foam wherein the additive has been localized at particular areas of the foam.

Abstract: An object of the invention is to provide a polyolefin resin foam which is excellent in flexibility, cushioning property and processability, especially excellent in cutting processability. The present invention relates to a polyolefin resin foam obtained by foaming a polyolefin resin composition using carbon dioxide in a supercritical state, wherein the polyolefin resin composition contains at least: (1) a thermoplastic elastomer composition obtained by subjecting to a dynamically heat treatment a mixture of (A) a rubber, and (B) (B-1) an ?-olefin crystalline thermoplastic resin and/or (B-2) an ?-olefin amorphous thermoplastic resin, each having a melt tension of less than 3.0 cN at a temperature of 210° C. and at a take-up speed of 2.0 m/min, in the presence of (C) a crosslinking agent; (2) a polyolefin resin; and (3) a nucleant agent having an average particle diameter of from 0.1 ?m to less than 2.0 ?m. The polyolefin resin foam has a density, for example, of 0.2 g/cm2 or less.

Abstract: The invention pertains to azeotrope-like compositions of 1,1,2,3,3-pentafluoropropene (HFC-1225yc) and any one of 1,1,1,2-tetrafluoropropene (HFC-1234yf) or the Z-isomer of 1,1,1,2,3-pentafluoropropene (HFC-1225yeZ), and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

Abstract: Fire-resistant, medium density molded polyurethane foams which may be removed from a mold in substantially shorter times than previously possible are produced by the process of the present invention. These reduced de-mold times are achieved by including a solid flame retardant composition in the polyurethane foam forming composition. This solid flame retardant composition includes a melamine coated ammonium polyphosphate and zinc borate.

Abstract: Rigid closed-cell polyurethane foams with low k-factors are produced by reacting an organic polyisocyanate with an amine-based polyether polyol and a polyester polyol in the presence of a catalyst and a hydrofluorocarbon blowing agent, preferably, HFC-245fa. It is preferred that no water be added to the reaction mixture.

Abstract: A sealing gasket includes a liner and a polyurethane foam layer disposed on the liner. The polyurethane foam layer can have a density of 50 kg/m3 to 250 kg/m3, a force-to-compress at 25% compression of not greater than 5.0 psi, and an 50% springback parameter of not greater than 2.0 seconds. The polyurethane foam has a thickness in a range of 0.3 mm to 10.0 mm. A surface of the polyurethane foam layer has a skin.

Abstract: A foam includes a white color that is suitable for use in marine flotation devices. The foam includes a methylene diphenyl diisocyanate and polymethylene diphenyl diisocyanate. In some embodiments, the foam also includes a polyol, surfactant, catalyst, and blowing agent.

Abstract: The invention relates to novel masticatory masses for oral hygiene, made from foamed synthetic polymers, a method for production and use thereof.

Abstract: A flame retardant aqueous liquid composition containing water, guanidine sulfamate, a citric acid compound including a metal salt of citric acid, and a water soluble polymer. A flame retardant polyurethane foam is produced by a process including the steps of providing a mixture of the above flame retardant aqueous liquid composition with a polyol and an isocyanate, and reacting the mixture in the presence of a catalyst.

Abstract: Process for producing porous polyisocyanate polyaddition products by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates in the presence of (f) solvent, wherein compounds having a functionality toward isocyanates of at least 6 and a molecular weight of at least 1000 g/mol are used as (b) compounds which are reactive toward isocyanates.

Abstract: Process for the preparation of foamed thermoplastic polyurethanes characterised in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres.

Abstract: The present invention relates to polyurethane foam-forming composition containing polysilsesquioxanes that provide high resilience flexible polyurethane molded foams having improved foam dimensional stability.

Abstract: A flexible polyurethane foam-forming composition and the flexible polyurethane foam obtained therefrom contain, as flame-retardant additive, a halogen-free phosphonate compound which is substantially unreactive for isocyanate, contains at least about 5 weight percent phosphorus, has an acid value of about 2 mg KOH/g or less, a volatility as measured by thermogravimetric analysis not exceeding a 5.0 percent weight loss at a temperature of about 150° C., and a weight average molecular weight of from about 200 to about 2000.

Abstract: This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape.

Abstract: A polyurethane foam is disclosed and described. The polyurethane foam is formed by combining a first component comprising at least one polyol with a second component comprising at least one polyisocyanate. The ratio of the number of isocyanate equivalents in the second component to the number of hydroxyl equivalents in the second component is less than 1.0. The foam exhibits low levels of free diisocyanate monomer, thereby reducing the amount of hazardous, volatile organic compounds. As a result, the foam can be prepared and installed without the need for ventilation equipment, external sources of fresh air, and the like.

Abstract: A polyurethane foam composition includes a polyol, a polyisocyanate, a catalyst, a foam stabilizer, a blowing agent and a fluorinated carbonate wherein the fluorinated carbonate is a compound represented by Formula 1: a compound represented by Formula 2: or a mixture thereof. Also disclosed is a polyurethane foam derived from the composition.

Abstract: The present invention relates to a polyether-based polyurethane foam with improved strength and uses thereof. Since a composition for improving strength is added in a liquid phase to a urethane reaction process which mixes and reacts with raw materials consisting of polyisocyanate and polyol having at least two —OH groups at a terminal of a molecule, the polyether-based polyurethane foam improves mixability (miscibility) between the composition and raw materials which react with each other, thereby maximizing functionality of the composition for improving strength. Furthermore, the polyether-based polyurethane foam with improved strength according to the present invention can be usefully utilized as soundproofing materials or heat insulating materials for building materials and automobiles.

Abstract: Catalysts, which are not tin-based, are described for use in a reaction between an isocyanate and an alcohol, which is a key step for preparing polyurethane polymers.

Abstract: A novel flexible, low resilience polyurethane foam based on a reaction product of isocyanate-reactive component with isocyanate component is disclosed. The flexible, low resilience polyurethane foam is prepared by reacting (a) an isocyanate component substantially free of aromatic isocyanates having isocyanate group attached directly to aromatic ring, (b) an isocyanate-reactive mixture, (c) catalyst, and (d) optionally, one or more substance selected from the group consisting of water, surfactant, cross-linker, and additive. The flexible, low resilience polyurethane foam produced according to the present method has an isocyanate index of from 75 to 105, a density ranging from 16 to 160 kilogram per cubic meter, and ball resilience of less than 15%.

Abstract: The present invention relates to polyurethane foam prepared from a polyurethane foam-forming reaction mixture possessing a silicone copolymer surfactant, methods for making the surfactant, and a process for preparing low density polyurethane foams.

Abstract: Catalysts, which are free of tin, are described for the reaction between an isocyanate and an alcohol, which is a key step for preparing polyurethane polymers.

Abstract: A method of making a fluorinated ether includes combining, in a polar aprotic solvent: a fluorinated alcohol represented by the formula X—Rf1CH2OH, and a fluorinated sulfonate ester represented by the formula Rf2CH2OS(?O)2Rf3, and base; and obtaining a fluorinated ether represented by the formula Y—Rf1CH2OCH2Rf2—Y. Rf1 is selected from perfluorinated C1-C10 alkylene groups having from 1 to 10 carbon atoms and partially fluorinated C1-C10 alkylene groups, and derivatives thereof having catenated heteroatom(s). X represents H, F, or an HOCH2— group. Rf2 is selected from perfluorinated C1-C10 alkyl groups and partially fluorinated C1-C10 alkyl groups, and derivatives thereof having catenated heteroatom(s). Rf3 is a C1-C4 alkyl group. Y represents H, F, or an Rf2CH2OCH2— group. A variant method, useful for preparing symmetric fluorinated ethers, is also disclosed. The present disclosure also provides fluorinated ethers preparable according to the methods.

Abstract: A method of making hydroxymethylphosphonate comprising heating paraformaldehyde in a solvent to a desired reaction temperature, wherein the solvent is present in at least an amount necessary to solvate or suspend the paraformaldehyde; adding at least one alkyl phosphite to the heated paraformaldehyde, to provide hydroxymethylphosphonate, the alkyl phosphite being added to the heated paraformaldehyde at a rate which will avoid or inhibit the production of a significant exotherm and resulting high/significant level of acid by-product(s), there being present in the reaction medium at least one hindered amine catalyst in which the nitrogen in the amine is directly bound to a secondary and/or tertiary carbon of an organic group; and, optionally, following the completion of the addition, heating the reaction mixture to an elevated temperature.

Abstract: A composition that is configured for use in creating a film. The composition includes a vinyl acetate containing polymer, such as a vinyl acetate ethylene (VAE) copolymer, fire retardant additives and at least one additive that is a pigment, a surfactant, a dispersant, a wetting agent, a defoamer, a coupling agent, a solvent, a UV absorber, a fire retardant, or a light stabilizer.

Abstract: The subject matter of the present invention relates to a low-viscosity aqueous hot-cure flexible polyurethane foam stabilizer solution which can be used in the production of hot-cure flexible polyurethane foams, wherein the low-viscosity aqueous hot-cure flexible polyurethane foam stabilizer solution comprises the following components: ?40% to ?70% by weight of polyethersiloxane, ?0.5% to ?20% by weight of organic surfactant, ?10% by weight of water, ?0% by weight of organic solvent additions, in which the polyethersiloxane has the following formula (I) —R1—Si(CH3)2O—[Si(CH3)(OSi(CH3)2R0)O—]u—[Si(OSi(CH3)2R0)2O—]v—[Si(CH3)2O—]w—[SiCH3R2O—]x—[SiCH3R3O—]y—[SiCH3R4O]z—[SiR3R4O]t—Si(CH3)2—R5 (I).

Abstract: The invention relates to the use of polyethers containing urethane or urea groups as foam stabilizers, obtained by reacting at least one isocyanate with (a) at least one hydrophilic polyether which statistically carries at least one OH and/or NH2 and/or NH function and (b) at least one hydrophobic polyether which statistically carries at least one OH and/or NH2 and/or NH function and optionally (c) further compounds which carry at least one OH and/or NH2 and/or NH function and/or other isocyanate-reactive groups, such as carboxyl or epoxide functions, with the proviso that at least one isocyanate is ?difunctional.

Abstract: An object of the invention is to provide molded urethane foam pads and vehicle seats that can contribute to the reduction of environmental load and have appropriate impact resilience and hardness and excellent durability with good balance, and also have high comfort.

Abstract: A scorch inhibitor composition for polyurethane foams is composed of (a) one or more derivatized phenolic compounds in an amount of about 60-80% by weight; (b) one or more aromatic amines in the form of a liquid in an amount of about 15-35% by weight; (c) an alkyl-substituted hydroquinone in an amount of about 4-8% by weight, and (d) phenothiazine at 0 to about 1.0% by weight.

Abstract: An asphaltic isocyanurate foam useful in roofing applications. Asphalt is liquified and mixed with a mixture of polyisocyanate. In a separate mixture, other chemicals, such as polyols, surfactant, catalyst, and blowing agent are combined. The mixtures are combined and reacted to form an asphaltic polyurethane foam.

Abstract: The invention relates to a process for the batch or semi-batch preparation of a polymer polyol, which process involves (1) preparing a seed by polymerizing in a base polyol at least one ethylenically unsaturated monomer in the presence of a polymerization initiator and macromer, and in the presence of from 0.5 to 50% wt of polymer polyol heel, based on amount of polymer present in the heel compared with total amount of polymer formed, (2) adding additional ethylenically unsaturated monomer to the seed obtained in step (1) and optionally additional polyol, and (3) polymerizing the mixture obtained in step (2).

Abstract: The invention relates to a process for producing shaped articles, where a foam layer which includes a polyurethane foam obtained by foaming a composition including an aqueous, anionically hydrophilicized polyurethane dispersion (I), and drying, is thermoformed where the thermoforming takes place at a temperature of from ?100° C. to ?200° C. and under a pressure of from ?50 bar to ?150 bar, and where additionally during the thermoforming the foam is compressed to ?25% to ?100% of its original volume. The foam can be stabilized using ethylene oxide/propylene oxide block copolymers. The invention further relates to shape articles obtainable in this way, and to the use thereof, preferably as wound dressings.

Abstract: A process for preparing a cavity-filling, fast-gelling closed cell rigid polyurethane foam comprises preparing a formulation including at least a polyisocyanate, a relatively high viscosity polyol system including at least about 10 percent by weight of an amine-initiated polyol, a physical blowing agent, a blowing catalyst and a curing catalyst, and, optionally, less than about 1.6 weight percent of water based on the polyol system. Other conventional components, such as a chain extender and/or crosslinker, surfactant, and the like may also be included. The formulation is injected under a reduced atmospheric pressure to achieve a closed cell, rigid polyurethane foam having a density of less than about 40 kg/m3, an average cell diameter of less than about 250 microns, and a thermal conductivity of less than about 19 mW/mK at 10° C. average plate temperature.

Abstract: The present invention relates to composite elements containing, as a layer, at least one thermoplastic polymer, adhering to which, as a layer, a polyisocyanate polyaddition product is attached, and a process for the production thereof.