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With -XH reactant wherein X is a chalcogen atom

Subclass of:

521 - Synthetic resins or natural rubbers -- part of the class 520 series

521000000 - SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)

521050000 - CELLULAR PRODUCTS OR PROCESSES OF PREPARING A CELLULAR PRODUCT, E.G., FOAMS, PORES, CHANNELS, ETC.

521155000 - Cellular product derived from a -N=C=X containing reactant wherein X is a chalcogen atom

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
521172000 -XH reactant contains a C=X group, e.g., carboxylic acid ester, etc. 34
521174000 -XH reactant contains a C-X-C group 29
521171000 -XH reactant contains a halogen atom 1
20110124761CHLORINATED POLYETHER AND POLYURETHANE OBTAINED THEREFROM - Provided is a chlorinated polyether which has excellent solubility in solvents and excellent thermal stability, has the excellent effect of improving the adhesion of coating materials, inks, and adhesives to polyolefins, can be expected to be usable as a flame retardant, and is useful also as a novel starting material for polyurethanes. The polyether is a novel chlorinated polyether containing, as a repeating unit, at least one of the chlorinated-ether residue represented by the following formula (1) and the chlorinated-ether residue represented by the following formula (2). Also provided is a novel polyurethane obtained therefrom.05-26-2011
Entries
DocumentTitleDate
20090163612TISSUE ENGINEERING SCAFFOLD - A tissue engineering scaffold for cell, tissue or organ growth comprises a biocompatible porous polyurethane cellular material comprising a plurality of substantially spherical voids of diameter from 20 to 300 microns, preferably 80 to 200 microns, interconnected by generally elliptically shaped pores. The cellular material has a void content of from 85% to 98% and a surface area to volume of from 5 to 400 mm06-25-2009
20130035412PRODUCTION AND USE OF METAL SALTS OF ALKYL OXIDE AND/OR ARYL ALKYL OXIDE OLIGOMERS AND POLYMERS WITH ACID END GROUPS IN THE PRODUCTION OF POLYURETHANE SYSTEMS - The invention relates to a catalyst system that is suitable for catalyzing the production of polyurethane foams. The catalyst system is characterized in that said system contains a metal salt of an alcohol that is modified with an acid end group.02-07-2013
20130085200HIGH AIR FLOW POLYURETHANE VISCOELASTIC FOAM - Polyurethane foams and methods for making polyurethane foams are provided. The method may comprise forming a reaction mixture including a toluene diisocyanate (TDI) component, an isocyanate reactive component comprising one or more propylene oxide rich (PO-rich) polyols, one or more ethylene oxide rich (EO-rich) polyols having a combined number average equivalent weight from 100 to 500 comprising from 10% to 28% by weight of the total isocyanate reactive component, water, and a catalyst component comprising at least one catalyst, and subjecting the reaction mixture to conditions sufficient to result in the reaction mixture to expand and cure to form a viscoelastic polyurethane foam having a resilience of less than 25%, as measured according to ASTM D3574 Test H.04-04-2013
20130072588MEDIUM DENSITY FOAMS HAVING GOOD IMPACT RESISTANCE AND A PROCESS FOR THEIR PRODUCTION - Impact resistant, medium density molded polyurethane foams are produced by the process of the present invention. These foams include from 5 to 35% by weight of glass fibers having an average fiber length of from 12.5 to 50 mm and from 25 to 60% by weight of one or more particulate fillers having an average particle size of from 0.3 to 40 microns.03-21-2013
20110015292PREPOLYMERS MADE FROM NATURAL OIL BASED POLYOLS - A prepolymer and products made from the preopolymer is described. The prepolymer includes the reaction product of at least one isocyanate and at least one natural oil based polyol. The natural oil based polyol includes at least two natural oil moieties separated by a molecular structure having an average of at least about 19 ether groups between any 2 of the natural oil moieties or by a polyether molecular structure having an equivalent weight of at least about 480.01-20-2011
20120115970PROCESS FOR PRODUCING VISCOELASTIC FLEXIBLE POLYURETHANE FOAMS - The invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting 05-10-2012
20090012197USE OF LOW-VISCOSITY AQUEOUS HOT-CURE FLEXIBLE POLYURETHANE FOAM STABILIZER SOLUTIONS CONTAINING POLYETHERSILOXANES IN THE PRODUCTION OF HOT-CURE FLEXIBLE POLYURETHANE FOAMS - 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) —R01-08-2009
20120238657Reactive Flame Retardants Blends for Flexible Polyurethane Foams - A flexible polyurethane foam containing a flame retardant blend of at least one diester diol a ring-brominated aromatic compound and at least one epoxy resin.09-20-2012
20110082226MULTI-ISOCYANATE PREPOLYMER - Disclosed is a multi-isocyanate prepolymer formed by reacting diisocyanate and/or diisocyanate trimer with diol and/or triol. Because the prepolymer and the diol/triol have similar molecular weights, additional crosslink agents such as diamine, multi-amine, or combinations thereof are not necessary. Furthermore, the prepolymer can be blown to form foam, or directly gelled to form an unbubbled product such as film.04-07-2011
20110086933FILLED POLYURETHANE COMPOSITES AND METHODS OF MAKING SAME - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of an isocyanate and a polyol, and coal ash (e.g., fly ash). The isocyanates for these composite materials may be selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof. The polyol consists essentially of one or more plant-based polyols, the one or more plant-based polyols including castor oil. The fly ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing an isocyanate, a polyol, coal ash (e.g., fly ash), and a catalyst.04-14-2011
20080200574Polyurethane Foam And A Resin Composition - A polyurethane foam and a resin composition that may be used to form the polyurethane foam is provided. The resin composition comprises a first ethylene diamine-based polyol having about 100% ethylene oxide capping present in an amount of from 0.5 to 8 parts by weight based on 100 parts by weight of the resin composition, a second polyol, and a physical blowing agent. The polyurethane foam comprises the reaction product of an isocyanate component and the resin composition. A method of forming the polyurethane foam on a substrate, comprising the steps of combining the isocyanate component, the first ethylene diamine-based polyol having about 100% ethylene oxide capping, the second polyol, and the physical blowing agent to form a polyurethane composition is also provided. The polyurethane composition is applied onto the substrate at an ambient temperature of 0 C or lower to form the polyurethane foam.08-21-2008
20100087561VISCOELASTIC POLYURETHANE FOAMS COMPRISING AMIDATED OR TRANSESTERIFIED OLIGOMERIC NATURAL OIL POLYOLS - Described are viscoelastic polyurethane foams that comprise the reaction product of a polyisocyanate and an active-hydrogen composition comprising an amidated or transesterified oligomeric natural oil polyol.04-08-2010
20100087562Polyurethane Foam Batt Insulation - Polyurethane foam materials are produced and used in batt form, and therefore are substitutes for insulation batts previously made of fibreglass insulation The polyurethane batts are preferably made of a flexible, and compressible foam material, such that the batts can be compressed and placed within a shipping container, and so that the compressed batt will form a friction fit in an opening, when in use An alternative insulation material and format are provided.04-08-2010
20090281206COPOLYMER POLYOLS AND A PROCESS FOR THE PRODUCTION THEREOF - The present inventions disclosed copolymer polyol composition which have a polymer content of 40 to 75 weight percent, based on total weight, and product stability such that essentially 100 percent passes through a 150 mesh screen produced by a free radical polymerization of the composition comprising: (a) a feedstock polyol; (b) at least one ethylenically unsaturated monomer; (c) a free radical polymerization initiator; (d) a chain transfer agent; (e) optionally a preformed stabilizer; and (f) optionally a macromer; with the proviso that at least one of e) or f) is present; wherein the feedstock has a nominal average functionality of 1.5 to 2.7, an equivalent weight of 400 to 2000. Such copolymer polyols can be used for the production of polyurethane products.11-12-2009
20090286898HYDROFLUOROCARBON COMPOSITIONS - A composition which comprises 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,3,3-pentafluoropropane (HFC-245fa) in a weight ratio HFC-365mfc/HFC-245fa of from 60:40 to 75:25.11-19-2009
20090292037METHOD FOR PREPARING VISCOELASTIC POLYURETHANE FOAM - Viscoelastic polyurethane foam is prepared by using certain additives in the foam formulation. The additives include 1) alkali metal or transition metal salts of carboxylic acids; 2) 1,3,5-tris alkyl- or 1,3,5-tris (N,N-dialkyl amino alkyl)-hexahydro-s-triazine compounds; and 3) Ci-12 carboxylate salts of quaternary ammonium compounds. The additives significantly improve processing and in particular permit the use of higher isocyanate indices, which helps to improve foam physical properties.11-26-2009
20090192237Low scorching flame retardants for polyurethane foams - A flame retardant composition for use in flame retarding a polyurethane foam composition so that the foam has reduced scorch as a result of its manufacture, said flame retardant composition comprising a mixture of (a) a flame retardant of the type that normally causes scorch when used in such foam and (b) a benzofuranone derivative, as a anti-scorch stabilizer. Flame retarded polyurethane foams having reduced discoloration are also provided.07-30-2009
20130217798METHODS OF PREPARING HYDROXY FUNCTIONAL ANIMAL FATS - Simple, economical preparative processes for the provision of pure hydroxyl functional materials derived by converting unsaturated molecules found in animal fats into hydroxyl groups are presented herein. The hydroxylated animal fats can be reacted with isocyanates to form polyurethane articles.08-22-2013
20120142801CORE FOAMS OF POLYURETHANE FOR PRODUCTION OF WINGS AND BLADES FOR WIND POWER SYSTEMS IN PARTICULAR - A reinforced polyurethane foam obtained by (1) mixing polyisocyanates (a) with compounds having isocyanate-reactive groups (b), a blowing agent containing water (c), and optionally a catalyst (d) and further additives (e) to form a reaction mixture, and (2) curing the reaction mixture, where the reaction mixture to be cured contains hollow microspheres and/or is applied to a porous reinforcing agent (f) capable of forming two-dimensional or three-dimensional networks in the polyurethane foam. The compounds having isocyanate-reactive groups (b) include polyetherols (b1), polyesterols (b2), chain extenders (b3) and optionally crosslinkers (b4) and aromatic polyether diols (b5), and the sum of (b2), (b3) and (b5) is at least 50% by weight of component (b). A process for producing such reinforced polyurethane foams and their use as reinforcing foams for load-bearing, stiff areal elements, in the interior of wings or blades, and also as insulation material for liquefied natural gas tanks.06-07-2012
20110269862POLYESTER-BASED POLYURETHANE FOAM WITH IMPROVED STRENGTH AND USES THEREOF - 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.11-03-2011
20090118387Method for Producing Water-Absorbing Polyurethane Foam - A water-absorbing polyurethane foam is produced by reacting, foaming, and curing a raw material which includes aliphatic or alicyclic polyisocyanate, polyester polyol, a polyoxyethylene compound for a hydrophilizing agent, a catalyst and a blowing agent. Thus obtained water-absorbing polyurethane foam has a coating film made from a cured substance of the foam formed on both surfaces. The content of the polyoxyethylene compound in the raw material is 1 to 10 parts by mass with respect to 100 parts by mass in total of the polyester polyol and the polyoxyethylene compound. The raw material is reacted, foamed, and cured at a temperature of 40 to 130° C. The polyisocyanate has an isocyanate index of preferably 85 to 100.05-07-2009
20130217797MICROEMULSIONS - The invention provides microemulsions comprising 08-22-2013
20110230579Polyurethane Foam Scorch Inhibitor - A scorch inhibitor composition for polyurethane foams is composed of 09-22-2011
20100261805OLIGOMERIC POLYOLS FROM PALM-BASED OILS AND POLYURETHANE COMPOSITIONS MADE THEREFROM - The invention relates to oligomeric polyols that are made from palm-based oils and to polyurethane compositions comprising the oligomeric palm-based polyols. Oligomeric polyols of the invention comprise a ring-opened and oligomerized epoxidized palm-based oil composition comprising about 40% wt. or greater oligomers, a hydroxyl number of about 65 or less, a number average hydroxyl functionality (f10-14-2010
20100184879FOAMED ISOCYANATE-BASED POLYMER - There is described a novoel isocyanate-based polymer foam. The isocyanate-based polymer foam is derived from a reaction mixture comprising: (a) an isocyanate; (b) a mixture of active hydrogen-containing compounds; and (c) a blowing agent. The mixture of active hydrogen-containing compounds comprises: (i) a bio-based polyol having an OH functionality of greater than about 2.0, an OH number in the range of from about 90 to about 200 and a molecular weight (Mn) of at least about 1100, and (ii) a petroleum-based active hydrogen-containing compound. It has been surprisingly and unexpectedly discovered that relatively high amounts (compared to the prior art) of such a bio-based polyol may be incorporated into an isocyanate-based polymer foam while maintaining a desirable balance of properties in the foam. Use of such a bio-based polyol (as a single bio-based polyol or a mixture of bio-based polyols) allows for displacement of at least a portion of petroleum-based polyols conventionally used in the production of isocyanate-based polymer foam while maintaining a desirable balance of properties in the foam, particularly molded foam. The addition benefit is that such displacement is of a component that this non-renewable and relatively more expensive than bio-based polyols.07-22-2010
20100227938METHOD FOR THE PRODUCTION OF OPEN-CELL VISCOELASTIC SOFT POLYURETHANE FOAMS - The invention relates to a process for producing open-celled viscoelastic flexible polyurethane foams based on renewable raw materials by reacting 09-09-2010
20100227939FOAMED POLYURETHANES HAVING IMPROVED FLEXING ENDURANCE PROPERTIES - The present invention relates to foamed polyurethane obtainable by mixing a) polyisocyanates, b) relatively high molecular weight compounds having groups reactive toward isocyanate groups, c) solid particles, d) blowing agents, e) if appropriate, chain extender, crosslinking agent or mixtures thereof, f) if appropriate, catalyst and g) if appropriate, other additives to give a reaction mixture and allowing the reaction mixture to react to completion, the proportion of chain extender being less than 6% by weight, based on the total weight of the components a) to f), the content of solid particles being greater than 15% by weight, based on the total weight of the components a) to f), and the average functionality of the relatively high molecular weight compounds having groups reactive toward isocyanate groups being less than 2.5. The present invention furthermore relates to a molding comprising a foamed polyurethane according to the invention, a process for the preparation of the foamed polyurethane according to the invention and the use of a molding according to the invention as a shoe sole.09-09-2010
20100216905POLYURETHANE RESIN - Disclosed is a polyurethane resin which is obtained by a reaction between a polyisocyanate component, which contains 1,4-bis(isocyanatomethyl)cyclohexane including not less than 80% by mole of trans isomers, and an active hydrogen compound component.08-26-2010
20130131206METHOD FOR PRODUCING FLAT, HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS - The invention relates to a method for producing flat, hydrophilic, aliphatic polyurethane foams. The invention also relates to a flat, hydrophilic, aliphatic polyurethane foam obtained according to said method and to the use thereof as a wound dressing, incontinence product or cosmetic article. According to the invention, a prepolymer-component and a carbonic acid or carboxylate component containing water is produced, said components are combined and mixed, and the obtained mixture is applied to a flat substrate as a layer which has an even thickness. Directly after application, a perforated separation element is applied in a flat manner to the layer. Said applied layer then expands with the applied perforated separation element to form the flat polyurethane foam.05-23-2013
20110009515STORAGE AND TRANSPORTATION STABLE POLYOL BLENDS OF NATURAL OIL BASED POLYOLS AND AMINE INITIATED POLYOLS - A storage and shipping stable polyol blend is provided, The polyol blend includes a first and second polyol. The first polyol may be derived from a natural oil, and the second polyol, may be an amine initiated conventional petroleum-based polyol. The mixture of the first and second polyols form a polyol blend having a single continuous phase.01-13-2011
20100036011NEW TYPES OF COMPATIBILISING AGENTS FOR IMPROVING THE STORAGE OF POLYOL MIXTURES - The invention relates to polyethers containing urethane or urea groups as compatibilizing agents, their preparation and use, obtained by the reaction of 02-11-2010
20100069519NOP FOAM - A foam article, for use in a seat such as a seat cushion, includes an open cell, polyurethane foam material that includes a plant oil-based polyol material content greater than five percent and is produced from the reaction of a base polyol formulation blend including at least a portion of a plant oil-based polyol, a copolymer polyol including at least a portion of a plant oil-based polyol, water, a cross-linking agent, a catalyst, cell opener and a surfactant that are reacted with an isocyanate material for producing the seat cushion having performance specifications that are equivalent or better than the performance characteristics for a traditional petroleum oil-based polyol material seat cushion.03-18-2010
20100249260HIGH RESILIENCE FOAMS - A high resilience (HR) polyurethane foam comprising the reaction product of (1) at least one polyisocyanate comprising at least about 5 weight percent of at least one methylene diphenyl diisocyanate isomer, derivative or a combination thereof and (2) an admixture of at least one natural oil based polyol and at least one additional polyol which is not a natural oil based polyol, wherein the admixture comprises at least about 10 weight percent natural oil based polyol and at least about 40 weight percent additional polyol having an equivalent weight of at least about 1700 Daltons; and the foam has a resiliency indicated by a ball rebound of at least 40 percent as measured according to the procedures of ASTM D 3574, Test H. An HR foam is made according to a process comprising steps of (a) forming a natural oil based polyol composition comprising at least about 10 weight percent of at least one natural oil based polyol having an OH functionality of at least about 2.2 and an equivalent weight of at least about 500 Dalton (Da) and at least about 40 weight percent of at least one conventional polyol having an equivalent weight of at least about 1700 Da and water; (b) admixing at least one catalyst with the natural oil based polyol composition to form a catalyst polyol admixture; (c) supplying a poly isocyanate comprising at least about 5 weight percent of at least one methylene diphenyl diisocyanate isomer, derivative or combination thereof in an amount corresponding to an isocyanate index of at least about 55 and at most about 105 and (c) admixing the isocyanate with the catalyst polyol admixture. The foams are useful in such applications as comfort, sound absorption including noise dampening, harshness dampening, protection, packaging, medical equipment, safety equipment and combinations thereof.09-30-2010
20110039968POLYURETHANE ELASTOMERS FROM RENEWABLE RESOURCES - A process is disclosed for preparing a elastomer by contacting under reaction conditions: a) an isocyanate component comprising an isocyanate-terminated prepolymer having an isocyanate (NCO) content of 10 to 30 weight percent where the prepolymer is the reaction product of a stoichiometric excess of one or more di- or poly-isocyanate compounds, collectively referred to hereinafter as isocyanate component, with a first polyol component; b) a second polyol component; and c) an effective amount of a blowing agent to provide a polyurethane elastomer with a density of from 200 to 1200 kg/m02-17-2011
20080249202Method for the Production of Polyisocyanates - Process for preparing polyisocyanates involving the removal of a solvent-stream enriched in volatile, aromatic, non-isocyanate-group-containing contaminants from the polyisocyanate production process.10-09-2008
20110257287Method of Making Hydroxymethylphosphonate, Polyurethane Foam-Forming Compositions, Polyurethane Foam and Articles Made Therefrom - 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.10-20-2011
20120202907LIGNIN BASED POLYOL FROM BLACK LIQUOR AND GLYCERINE - A composition of waste glycerol and black liquor is disclosed. The composition is separated into two layers: the polyol layer and the aqueous layer. The polyol layer may be reacted with an isocyanate producing polyurethane foam, a polyurethane plastic or other polyurethane material. The glycerol contains one or more of the following compounds in various percentages: alcohols, such as ethanol or methanol, fatty acids, methyl esters, ethyl esters, triglycerides, diglycerides, monoglycerides, where said triglycerides, diglycerides and monoglycerides may be selected from the group of saturated, monounsaturated, and polyunsaturated.08-09-2012
20110054059METHODS FOR PRODUCING POLYOLS AND POLYURETHANES - Methods for producing a polyols and polyurethanes are described. The polyols described herein can be produced directly from crude glycerin or through liquefaction of lignocellulosic biomass using a solvent comprising crude glycerin. The polyols produced in accordance with certain aspects may be derived from a significant proportion of renewable resources.03-03-2011
20110054058Emulsified polyol and resultant foam therefrom - An improved polyol, having a first component combined with a second component, one of the first and second components being hydrophobic and one of the first and second components being hydrophillic, at least one of the components being in a stable encapsulation or being in a stable emulsion, desirably formed of calcium carbonate and silicon dioxide.03-03-2011
20120302656Polymers for Contact Lenses - The present invention relates to a thermoplastic polyurethane contact lens prepared from a mixture comprising: (a) at least one polyethylene glycol; (b) at least one di-isocyanate; and (c) at least one diol of formula (I): wherein n is an integer from 1 to 25; wherein the polyethylene glycol, di-isocyanate and diol are reacted under substantially anhydrous conditions. Further aspects of the invention relate to a process for preparing a contact lens. The invention also relates to a process for preparing a polyurethane xerogel in the form of a molded article, said process comprising the steps of: (i) preparing a reaction mixture comprising at least one polyethylene glycol, at least one di-isocyanate and at least one diol of formula I as described above; (ii) reacting the reaction mixture formed in step (i) under substantially anhydrous conditions to form a polyurethane xerogel; (iii) injection molding the polyurethane xerogel to form a molded article, (iv) hydrating the xerogel molded article to form a contact lens.11-29-2012
20110263743NOVEL CATALYSTS FOR REACTION BETWEEN AN ISOCYANATE AND AN ALCOHOL - 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.10-27-2011
20110257286NOVEL CATALYSTS FOR REACTION BETWEEN AN ISOCYANATE AND AN ALCOHOL - 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.10-20-2011
20110086932POLYURETHANES DERIVED FROM LESQUERELLA OIL - Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of at least one isocyanate and at least one polyol, and coal ash (e.g., fly ash). The isocyanates for these composite materials may be selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof. The at least one polyol includes lesquerella oil. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing at least one isocyanate, at least one polyol, coal ash (e.g., fly ash), and a catalyst.04-14-2011
20120149795POLYURETHANE FOAMS CONTAINING INCORPORATED PHASE CHANGE MATERIAL - The invention relates to polyurethane foams with incorporated phase change material, especially for reinforcing the back of deep-drawn films and components.06-14-2012
20090088489AMINE CATALYSTS SUITABLE FOR PRODUCING LOW-EMANATION, RECATALYSIS-STABLE FLEXIBLE POLYURETHANE FOAMS - The present invention relates to the use of a reactive amine catalyst, in particular diethylaminoethoxyethanol and/or diethylethanolamine, in aqueous or organic solutions for producing flexible polyurethane foams having an increased recatalysis stability, and also a catalyst combination containing at least one reactive amine catalyst which can be used according to the invention; and at least one organic potassium, tin, bismuth and/or zinc compound; and/or at least one tertiary amine selected from the group consisting of triethylenediamine, triethylamine and/or silamorpholine; and/or at least one acid-blocked derivative of a tertiary amine.04-02-2009
20100240786COMPATIBILIZERS FOR IMPROVING THE SHELF LIFE OF POLYOL MIXTURES - Compatibilizers for mutually immiscible polyol compositions, characterized in that they comprise dispersed particles, and processes for production of these and their use in polyurethane foams.09-23-2010
20090253820FOAMING AGENTS AND COMPOSITIONS CONTAINING FLUORINE SUSTITUTED OLEFINS AND METHODS OF FOAMING - Disclosed are bowing agent compositions, foamable compositions, foams, foaming methods and/or foamed articles comprising one or more C2 to C6 fluoroalkenes, more preferably one or more C3 to C5 fluoroalkenes, and even more preferably one or more compounds having Formula I as follows:10-08-2009
20100179239METHOD OF MINIMIZING COMPRESSION SET OF FOAM - A method of minimizing compression set of foam includes introducing a composition including a first component and a second component that is reactive with the first component into a cavity of a mold, curing the composition to form a foam inside the cavity, demolding the foam, and heating the foam by induction after demolding to thereby minimize compression set of the foam. A method includes introducing the composition into the cavity, heating the mold via conduction of the mold to thereby cure the composition and form the foam inside the cavity, heating the foam by induction before demolding to thereby minimize compression set of the foam, and demolding the foam. The foam includes a reaction product of the first and second components. The foam has a compression set after heat aging of ≦10% at 10 minutes after the foam is demolded from the cavity of the mold.07-15-2010
20120022178METHODS OF EMBEDDING FOAM WITH ADDITIVES - 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.01-26-2012
20100298459POLYOL COMPOSITIONS, RESIN BLEND COMPOSITIONS, SPRAY COMPOSITIONS, AND METHODS OF USING EACH, AND METHODS OF MAKING EACH - Embodiments of the disclosure include aromatic polyol compositions, resin blend compositions, and spray foam compositions.11-25-2010
20090176904BIOPLASTICS, MONOMERS THEREOF, AND PROCESSES FOR THE PREPARATION THEREOF FROM AGRICULTURAL FEEDSTOCKS - The present invention relates generally to polymers and monomers derived from agricultural feedstocks, and more particularly to methods for the production of monomers from renewable agricultural resources such as feedstocks, for example canola, flax and tallow, and polymers, in particular polyurethanes produced from monomers derived from such feedstocks. The present invention also relates to novel processes for the production of short-chain alcohols, as well as hydroxyl wax esters, from renewable feedstocks. An improved apparatus for carrying out ozonolysis reactions is also disclosed.07-09-2009
20120316256Polymers for Contact Lenses - The present invention relates to a polyurethane polymer composition comprising polyethyleneglycol dialkyl ether. There is also provided a process for preparing a polyurethane. The invention also relates to a process for preparing a polyurethane xerogel in the form of a molded article, said process comprising the steps of: i. preparing a mixture of a. at least one polyethylene glycol or at least one polyol of formula (I), wherein at least three Of X12-13-2012
20120136084EXTRUSION OF POLYURETHANE COMPOSITE MATERIALS - Methods of extruding polyurethane composite materials are described. One method includes introducing at least one polyol and inorganic filler to a first conveying section of the extruder, transferring the at least one polyol and inorganic filler to a first mixing section of an extruder, mixing the at least one polyol and the inorganic filler in the first mixing section, transferring the mixed at least one polyol and inorganic filler to a second conveying section of the extruder, introducing a di- or poly-isocyanate to the second conveying section, transferring the mixed at least one polyol and inorganic filler and the di- or poly-isocyanate to a second mixing section, mixing the mixed at least one polyol and inorganic filler with the di- or poly-isocyanate in the second mixing section of the extruder to provide a composite mixture, and transferring the composite mixture to an output end of the extruder. Other related methods are also described.05-31-2012
20100174008BLOWING AGENT COMPOSITION - The invention concerns a blowing agent composition comprising dichloroethylene and at least one compound (C) selected from among haloketones, fluoroacids, fluoroesters. fluoroamines, (hydro)fluoroethers, (hydro)fluorothioethers, (hydro)fluoroolefins, cyclic(hydro)fluorocarbides and iodofluoro(hydro)carbides.07-08-2010
20120172476POLYURETHANE FOAMING PROCESSES AND FOAM PROPERTIES USING HALOGENATED OLEFIN BLOWING AGENT - The present invention relates to a method of producing more uniformly distributed polyurethane form using blowing agents. More particularly, the present invention relates to a method of producing more uniformly distributed polyurethane foam for an application in which flow of liquid polyurethane foam prior to solidification is important to its performance using a hydrochlorofluoroolefin (HCFO), such as 1233zd.07-05-2012
20120232181CATALYSTS AND THEIR USE - The invention relates to novel catalysts and the use thereof, for example in the preparation of polyisocyanate polyaddition products.09-13-2012
20130018121COMPOSITION COMPRISING STABLE POLYOL MIXTURES - Single-phase, liquid compositions, comprising at least two isocyanate-reactive polyol components that are incompatible with each other and, as a mediator additive, at least one copolymer that prevents or delays the separation of the polyol components and that is composed of certain structural units, of which certain structural units have no acidic functional groups and certain structural units have at least one acidic functional group and said structural units are optionally reacted at least partially with at least one preferably organic compound having at least one basic group to produce salt, and to the use thereof to produce polyurethanes or corresponding polyurethane items.01-17-2013
20130172437PROCESS FOR THE PREPARATION OF FLEXIBLE POLYURETHANE FOAM AND FOAM OBTAINED THEREBY - The present invention is directed to a process for the preparation of a flexible polyurethane foam and to the polyurethane foam prepared by that process. The foam is in particular a flexible polyurethane foam which has a density of between 25 and 120 kg/m07-04-2013
20130096218HEAT TRANSFER COMPOSITIONS OF HYDROFLUOROCARBONS AND A HYDROFLUOROOLEFIN - The present invention relates to heat transfer compositions comprising 2,3,3,3-tetrafluoropropene, difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane for use in refrigeration, air-conditioning, heat pump systems, and other heat transfer applications. The inventive heat transfer compositions can possess reduced global warming potential while providing good capacity and performance.04-18-2013
20130102696Aerosol Systems and Methods for Dispensing Texture Material - Texture material for applying a repair coat to a substrate substantially comprising a base portion, a particulate portion, and a propellant portion. The particulate portion is made of at least one of urethane foam and melamine foam. When the texture material is contained within a sealed chamber, the propellant portion exists in a gas state and a liquid state, the propellant portion in the gas state pressurizes the base portion, the particulate portion, and the propellant portion in the liquid state and the at least one of urethane foam and melamine foam exists in solid particulate form.04-25-2013
20100286299NATURAL OIL BASED COPOLYMER POLYOLS AND POLYURETHANE PRODUCTS MADE THEREFROM - A polymer polyol composition of conventional petroleum-based polyols, natural oil derived polyols, PIPA and/or PHD particles made in the presence of natural oil derived polyols, and conventional petroleum-based polymer particles is provided. The polymer polyol composition may be used to form polyurethane foams.11-11-2010
20130150476WASHABLE VISCOELASTIC FLEXIBLE POLYURETHANE FOAMS - A process for producing viscoelastic flexible polyurethane foams having an air flow value of at least 1 dm06-13-2013
20130150477Method and Matrix for Enhancing Growth Media - The invention relates to a growth media comprising a hydrophilic polyurethane polymer matrix containing particulate inclusions. The invention also relates to a method of providing the growth media.06-13-2013
20130158146POLYISOCYANATE MIXTURES - The invention relates to novel solvent-free, monomer-depleted polyisocyanate mixtures, and to the use thereof for producing light-resistant and weather-resistant polyurethane bodies with high optical refraction and low optical dispersion.06-20-2013
20120029105METHOD FOR CREATING A FOAMED MASS SYSTEM - 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 temperature02-02-2012
20130210950REACTION SYSTEM FOR PREPARING POLYURETHANE MICROCELLULAR FOAM, A POLYURETHANE MICROCELLULAR FOAM AND THE USE THEREOF - The present invention relates to a reaction system for preparing polyurethane microcellular foam, a polyurethane microcellular foam and the use thereof. The reaction system for preparing polyurethane microcellular foam comprises isocyanate prepolymer, polyols, catalysts and chain extenders. The isocyanate prepolymer is a reaction product of polyisocyanates and polyester polyols, wherein the polyester polyols comprise 10-60 wt. % succinic acid units, based on 100 wt. % of the polyester polyols, the NCO content of the isocyanate prepolymer is 13-30 wt. %, based on 100 wt. % of isocyanate prepolymer. By using the reaction components provided in the present invention, the demould time for preparing the polyurethane microcellular foam can be reduced. The obtained polyurethane microcellular foam, which possesses good physical and mechanical properties, is particularly suitable to prepare shoes.08-15-2013

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