Class / Patent application number | Description | Number of patent applications / Date published |
521117000 | Ingredient contains a -C-XH group wherein X is a chalcogen atom and the carbon atom is not double-bonded to a chalcogen atom, phenol, etc. | 23 |
20090239964 | PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM - To provide a process for producing a flexible polyurethane foam, which can suitably form a flexible polyurethane foam having a good cushioning characteristic by using a raw material derived from a natural fat/oil. | 09-24-2009 |
20090312446 | LIGHT COLORED FOAM FOR USE IN MARINE APPLICATIONS - 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. | 12-17-2009 |
20100022675 | VEGETABLE OIL-BASED COATING AND METHOD FOR APPLICATION - A method for manufacturing a carpet material that typically includes applying a coating to a substrate where the coating includes the reaction product of a B-side that includes an esterified vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate and the reaction product of a B-side that includes a vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate. The polyols may optionally be blown, oxylated, and/or neutralized. | 01-28-2010 |
20100216903 | FOAM-FORMING SYSTEM WITH REDUCED VAPOR PRESSURE - An isocyanate-reactive composition containing a blowing agent that includes HFC 134a and water characterized by a vapor pressure which is lower than that of comparable compositions which do not include the stabilizing composition of the present invention. The stabilizing composition of the present invention includes an ethoxylated nonylphenol and propylene carbonate. This stabilizing composition is included in the isocyanate-reactive composition in an amount sufficient to promote the solubility of the blowing agent. The isocyanate-reactive composition may be stored at ambient conditions rather than under pressure and may be hand mixed with an isocyanate to produce a foam. The isocyanate-reactive composition containing blowing agent of the present invention may be used to produce foams having good physical properties after storage at ambient temperature and pressure for periods as long as 3 months. | 08-26-2010 |
20110218261 | FOAM-FORMING COMPOSITIONS CONTAINING AZEOTROPIC OR AZEOTROPE-LIKE MIXTURES CONTAINING Z-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE AND THEIR USES IN THE PREPARATION OF POLYISOCYANATE-BASED FOAMS - Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing cis-1,1,1,4,4,4-hexafluoro-2-butene are disclosed. The foam-forming composition contains (a) an azeotropic or azeotrope-like mixture of cis-1,1,1,4,4,4-hexafluoro-2-butene with methyl formate, 1,1,1,3,3-pentafluorobutane, trans-1,2-dichloroethylene, pentane, isopentane, cyclopentane, HFC-245fa, or dimethoxymethane; and (b) an active hydrogen-containing compound having two or more active hydrogens. Also disclosed is a closed-cell polyurethane or polyisocyanurate polymer foam prepared from reaction of an effective amount of the foam-forming composition with a suitable polyisocyanate. Also disclosed is a process for producing a closed-cell polyurethane or polyisocyanurate polymer foam by reacting an effective amount of the foam-forming composition with a suitable polyisocyanate. | 09-08-2011 |
20110319510 | Silicone Rubber Sponge-Forming Emulsion Composition And Method For Manufacturing Silicone Rubber Sponge - A silicone rubber sponge-forming emulsion composition is provided that, even when the quantity of reinforcing silica filler is increased, does not exhibit a decline in emulsion stability, avoids defects in cell morphology of the sponge, and avoids a substantial increase in hardness of the sponge. A method of producing a silicone rubber sponge from this composition is also provided. The A silicone rubber sponge-forming emulsion composition comprises (A) 100 weight parts of a liquid diorganopolysiloxane that has at least two silicon-bonded alkenyl groups in each molecule, (B) 1 to 50 weight parts of a reinforcing silica filler comprising (b1) a fumed silica and (b2) a precipitated silica in a (b1)/(b2) weight ratio of 0.01/1 to 30/1, (C) 50 to 250 weight parts of water that contains (c) a smectite clay, (D) 0.1 to 7 weight parts of a sorbitan fatty acid ester, (E) 0 to 10 weight parts of an isononanoic acid ester, (F) 0 to 10 weight parts of a Guerbet alcohol, and (G) a curing agent in a quantity sufficient to crosslink and cure component (A). | 12-29-2011 |
20120208913 | Use of Polar Additives for Enhancing Blowing Agent Solubility in Polystyrene - Foamable polystyrene compositions with enhanced blowing agent solubility and methods of making such polystyrene compositions by incorporating a polar additive in styrenic polymer or copolymers. | 08-16-2012 |
20130041057 | FORMULATION CONTAINING TIN AND/OR ZINC SALTS OF RICINOLEIC ACID, UREA, POLYETHYLENE GLYCOL AND SUGAR ALCOHOL AND USE OF THE FORMULATION IN THE PRODUCTION OF POLYURETHANE SYSTEMS - A formulation for the production of a polyurethane system, in particular a polyurethane foam, containing or consisting of tin and/or zinc ricinoleate(s), optionally tin carboxylate(s), a mixture containing or consisting of urea, sugar alcohol and polyethylene glycol, optionally organic solvent, one or more organic isocyanates having two or more isocyanate functions, one or more polyols having two or more groups which are reactive towards isocyanate, optionally further catalysts for the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, water, optionally physical blowing agents, optionally flame retardants and optionally further additives, a process for the production of polyurethane systems, these polyurethane systems and their use. | 02-14-2013 |
20130065978 | Additives For Improving Natural Oil Based Polyurethane Foam Peformance - Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties. | 03-14-2013 |
20140275304 | POLYURETHANE FOAM FORMING COMPOSITION INCLUDING TRIGLYCERIDES, POLYURETHANE FOAM MADE FROM THE COMPOSITION, AND METHOD OF MAKING POLYURETHANE FOAM - The present disclosure relates to a method of making polyurethane foam, the method comprising providing a polyol mixture comprising polyether polyol and unmodified vegetable oil having a hydroxyl number of less than 10; and reacting isocyanate with the polyol mixture to form a polyurethane foam, wherein the unmodified vegetable oil does not react and does not form part of the polyurethane foam. The present disclosure also relates to polyurethane formed by the method and polyurethane compositions. | 09-18-2014 |
20140275305 | POLYURETHANES, POLYURETHANE FOAMS AND METHODS FOR THEIR MANUFACTURE - Polyurethane foams are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, an ionic liquid or a deep eutectic solvent, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and optionally a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam can exhibit a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and in the instance where a flame retardant has been added in an appropriate amount, exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and/or the smoke spread values. | 09-18-2014 |
20150031781 | ADDITIVE FOR ADJUSTING THE GLASS TRANSITION TEMPERATURE OF VISCO-ELASTIC POLYURETHANE SOFT FOAMS - The present invention is directed to the use of a disalt of malic acid in the production of a polyurethane foam to lower the glass transition temperature of the polyurethane foam obtained, wherein the disalt of malic acid is added to the reaction mixture comprising at least a polyol component, an isocyanate component, a catalyst to catalyse urethane or isocyanurate bond formation, an optional blowing agent and optionally further additives, and also to a polyurethane foam having a glass transition temperature of −20° C. to 15° C., which polyurethane foam is characterized in that it comprises disalts of malic acid or reaction products thereof with an isocyanate component, wherein the fraction accounted for by the disalts and the reaction products thereof with an isocyanate component is below 0.08 wt % based on the polyurethane foam. | 01-29-2015 |
20150051306 | METHOD FOR PREPARING A COFFEE POLYOL AND COMPOSITIONS AND MATERIALS CONTAINING THE SAME - A method for preparing a coffee polyol includes: (a) extracting coffee oil from coffee grounds; (b) modifying the coffee oil to obtain an epoxidized coffee oil; and (c) reacting an alcohol with the epoxidized coffee oil to obtain a coffee polyol. A polyurethane dispersive solution is prepared from a prepolymer composition that includes: a coffee polyol prepared from the abovementioned method; an isocyanate; and a solvent. A foam-based material is made from a foaming composition that includes a coffee polyol prepared from the abovementioned method. A polyurethane material is made from a polyurethane composition that includes a coffee polyol prepared from the abovementioned method. | 02-19-2015 |
20150307676 | POLYURETHANE SCORCH INHIBITOR - An additive composition for inhibiting scorch in a polyurethane foam composition, the additive comprising a derivatized hydroquinone; a derivatized lactone; and a derivatized phenolic compound. A polyurethane foam composition contains the additive composition. | 10-29-2015 |
20160002387 | POLYMERIC COMPOSITION FOR MANUFACTURING A POLYPHENOL BASED FOAM MATERIAL, AND PROCESS THEREOF - A polymeric composition for manufacturing a polyphenolic based foam material includes isocyanate, an acid catalyst and tannins. The composition has a mixed tannin-furan-isocyanate structure in which the tannins are part of a resin having the function of reactant for the composition, and it is completely free of low-boiling solvents. The amount of isocyanate is substantially greater than 1% by weight of the composition, preferably not less than 10% by weight with respect to the composition. The composition is adapted to obtain foam materials by means of the plants used for manufacturing polyurethane foam materials. | 01-07-2016 |
521118000 | -C-XH ingredient contains a nitrogen atom | 8 |
20080234402 | Polyisocyanurate Rigid Foam and Method for the Production Thereof - The invention relates to a catalyst system, in particular for rigid polyisocyanurate foams blown by means of formic acid, a process for producing them and the rigid polyisocyanurate foams which can be obtained by such a process. | 09-25-2008 |
20090203810 | FOAMED, LIGHTFAST POLYURETHANE REACTION MIXTURES, PROCESSES FOR PREPARING MOLDINGS THEREWITH, AND MOLDINGS PRODUCED THEREBY - Foamed, lightfast polyurethane reaction mixtures, and moldings produced therefrom, comprising: (a) an isocyanate component comprising one or more selected from the group consisting of aliphatic isocyanates, aliphatic isocyanate prepolymers and mixtures thereof; (b) a polyol component having an average molecular weight of 1,000-15,000 g/mol and an average functionality of 2 to 8; (c) a chain extension/crosslinking component comprising one or more selected from the group consisting of polyols and polyamines having a molecular weight of 62-500 g/mol and a functionality of 2 to 8; and (e) a blowing agent comprising an ammonium carbamate salt of formula (I) having at least two OH groups: | 08-13-2009 |
20100152312 | CATALYST COMPOSITION FOR WATER BLOWN, LOW DENSITY, RIGID POLYURETHANE FOAM - A method for preparing a water blown, low density, rigid polyurethane foam which comprises contacting at least one polyisocyanate with at least one polyol, at an Isocyanate Index of 70 to 200, in the presence of a blowing agent composition comprising at least 75 wt % water and an effective amount of a catalyst composition comprising a gelling catalyst which is bis-(N,N-dimethylaminopropyl)amine and a blowing catalyst which is N,N-dimethylaminoethyl-N′-methyl-ethanolamine, the foam having a density of 6 to 16 Kg/m | 06-17-2010 |
20110136930 | METHOD 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) C | 06-09-2011 |
20120238653 | LATENT CURING AGENT AND EPOXY COMPOSITIONS CONTAINING THE SAME - A latent curing agent obtained by the reaction of a coumarin compound with an amine. | 09-20-2012 |
20130102694 | Polyurethanes Made with Copper Catalysts - Polyisocyanate-based polymers are formed by curing a reaction mixture containing at least one polyisocyanate and at least one isocyanate-reactive compound having at least two isocyanate-reactive groups in the presence of a copper catalyst that contains at least one copper atom associated with a polydentate ligand that contains at least one nitrogen-containing complexing site. | 04-25-2013 |
20140235738 | LATENT CURING AGENT AND EPOXY COMPOSITIONS CONTAINING THE SAME - A latent curing agent obtained by the reaction of a coumarin compound of the general formula (1), | 08-21-2014 |
20140364524 | METHOD FOR PRODUCING EXPANDABLE STYRENE POLYMERS CONTAINING GRAPHITE AND FLAME RETARDANT - A process for producing expandable styrene polymers via polymerization of at least one vinylaromatic monomer in aqueous suspension in the presence of at least one halogenated polymer as flame retardant, graphite, and blowing agent, which comprises the presence, in the aqueous suspension at the start of the polymerization reaction, of from 1 to 30% by weight of at least one styrene polymer, based on the entirety of monomers and styrene polymer, and likewise the presence of at least one halogenated polymer as flame retardant in the styrene polymer used at the start of the polymerization reaction. | 12-11-2014 |