This page is updated frequently with new Ethane-related patent applications.
|| List of recent Ethane-related patents
| Elastomeric gasket for fuel access door of an aircraft wing and a making the same|
An assembly for use on an aircraft wing having an aircraft skin and a fuel tank, the assembly comprising a metal access door for accessing the fuel tank, a metal retainer ring for engaging the wing and the access door. Fasteners removably couple the access door to the retainer ring.
Aviation Devices & Electronic Components, L.l.c.
| Low density attached polyurethane foams made using a combination of frothing and blowing methods|
Textiles backed with a polyurethane cushion are produced by applying a layer of frothed polyurethane-forming mixture to a surface of the textile. The mixture contains both water and a physical blowing agent.
Dow Global Technologies Llc
| Urethane resin composition, leather-like sheet, and producing the leather-like sheet|
Provided is an aqueous urethane resin composition with which a fiber base can be impregnated, which is capable of thermal coagulation, which does not detach from the fiber base due to water or heat in the step of coloring the impregnated base, and which is capable of forming a coating film having resistance to discoloration which may occur with time and an excellent feeling, that is, flexibility and resilience. The aqueous urethane resin composition includes a urethane resin, a nonionic emulsifier, and an aqueous medium, the urethane resin being produced by reacting a polyol including a polyol including a carboxyl group with an aromatic polyisocyanate and a chain extender, the content of urea linkage in the urethane resin being 0.3 mol/kg or less.
| Microfibrous product and the use thereof for the preparation of covers and cases|
The invention refers to a process for the preparation of a microfibrous non-woven fabric based on polyester or polyamide microfibers immersed in a polyurethane matrix, and having a thickness equal to or less than 0.65 mm, a flat or slightly mottled appearance and a nap length of less than 350 μm. The non-woven fabric is used for the preparation of coverings for consumer goods, particularly for the preparation of covers and cases for electronic products..
| Integrated hydrogen production process|
The present invention provides an integrated process for producing a fermentation product from fossil carbon and hydrogen present in a purge gas stream resulting from a hydrogen production process. According to one embodiment of the invention, a purge gas stream obtained from a hydrogen production process is fermented with microorganisms in one or more bioreactors to produce the fermentation product.
| Refrigerator oil and working fluid composition for refrigerator|
The working fluid composition for a refrigerating machine of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a c5-c9 branched fatty acid of 50-100% by mole, and a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant. The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a content of a c5-c9 branched fatty acid of 50-100% by mole, and by being used together with a fluoropropene refrigerant and/or trifluoroiodomethane refrigerant..
Nippon Oil Corporation
| Sprayable polyurethane based protective coating|
A sprayable polyurethane based reaction system for forming a protective coating in industrial containers includes a first component and a second component, each having a viscosity less than 1500 cp at 25° c. A difference between the viscosities of the first component and the second component within a temperature range of 60° c.
Dow Global Technologies Llc
| Actinic energy radiation-curable acrylic silicone resin composition and coated article|
An acrylic silicone resin composition is curable with actinic energy radiation, comprising (i) a vinyl base polymer composed of a vinyl base monomer having an alkoxysilyl group, a uv-absorbing vinyl base monomer, and a copolymerizable monomer, (ii) a hydrolytic condensate of an alkoxysilane, (iii) core/shell type tetragonal titanium oxide solid-solution microparticles, (iv) a polycarbonate and/or polyester-based urethane-modified vinyl polymer, (v) a vinyl polymerizable monomer free of alkoxysilyl, (vi) an initiator, and (vii) a solvent.. .
Shin-etsu Chemical Co., Ltd.
| Fluorine-containing urethane (meth)acrylate, curable composition, and antireflective film|
It is an object of the present invention to provide a urethane (meth)acrylate that enables formation of a cured layer having a low reflectance and excellent excoriation resistance, a curable composition produced by using the same, and an antireflective film. In particular, there is provided a fluorine-containing urethane (meth)acrylate represented by general formula (i) and having a fluorine atom content ranging from 25 to 60 mass % (where r1 and r2 each represent a specific fluorinated alkyl group, r3 and r4 each represent a hydrogen atom or a methyl group, a represents a trivalent linking group represented by any of structural formulae (a1) to (a4), and x and y each independently represent a divalent linking group represented by any of structural formulae (a) to (c)) [in structural formula (c), r5 represents an alkyl group having 1 to 6 carbon atoms]..
| Flexible superhydrophobic and/or oleophobic polyurethane coatings|
This disclosure deals with novel formulations to create highly durable flexible hydrophobic, superhydrophobic, oleophobic and/or superoleophobic surfaces. The formulations of this invention can be applied by dip, spray and painting processes..
Ross Technology Corporation
Pavement marking tape with modified polyurethane topcoat
The inventors of the present disclosure discovered that use of a urea-modified polyurethane coating as the topcoat in a pavement marking tape has numerous advantages. The urea-modified polyurethane topcoat is the reaction product of an aspartic ester polyamine, a polyisocynate, and a polyol.
3m Innovative Properties Company
Polymerization method and product
Methods of preparing a polyaniline homopolymer or copolymer comprising at least one carboxylic acid group, and homopolymers or copolymers arising therefrom, the methods comprising: preparing a solution of a polyaniline precursor having at least one aromatic amine group and at least one carboxylic acid group (eg. 2-aminobenzoic acid, 3-aminobenzoic acid or 4-aminobenzoic acid) in a solvent selected from aqueous methanesulfonic acid or aqueous ammonia and optionally one or more additional polyaniline precursors (such as aniline); and oxidatively polymerising the polyaniline precursor or precursors..
Auckland Uniservices Limited
High recycle content polyols from thermoplastic polyesters and lignin or tannin
Polyester polyols, processes for making them, and applications for the polyols are disclosed. In some aspects, the polyols comprise recurring units from a thermoplastic polyester or an aromatic polyacid source, a glycol, and a lignin, tannin, or mixture thereof.
Resinate Materials Group, Inc.
Thixotropic polyol compositions containing dispersed urethane-modified polyisocyanurates
Thixotropic polyol dispersions are described. The dispersions contain a dispersed phase of polyurethane-isocyanurate particles.
Dow Global Technologies Llc
Pipa polyol based conventional flexible foam
A process for forming a conventional flexible polyurethane foam includes providing a polyol component including a pipa polyol that is a dispersion having a solids content from 10% to 75 wt %, based on a total weight of the pipa polyol, providing an isocyanate component that includes at least one polyisocyanate, providing an additive component that includes a catalyst, and forming a reaction mixture including the polyol component, the isocyanate component, and the additive component to form a flexible polyurethane foam with a resiliency value below 45%. The reaction mixture has an isocyanate index from 90 to 150.
Dow Global Technologies Llc
Method for producing trans-bis(aminomethyl)cyclohexane, producing bis(isocyanatomethyl)cyclohexane, bis(isocyanatomethyl)cyclohexane, polyisocyanate composition, and polyurethane resin
A method for producing trans-bis(aminomethyl)cyclohexane includes a trans-isomerization step in which cis-dicyanocyclohexane is isomerized into trans-dicyanocyclohexane by heating dicyanocyclohexane containing cis-dicyanocyclohexane in the presence of a tar component produced by distillation of dicyanocyclohexane; and an aminomethylation step in which trans-dicyanocyclohexane produced by the trans-isomerization step is allowed to contact with hydrogen to produce trans-bis(aminomethyl)cyclohexane.. .
Mitsui Chemicals, Inc.
Combined preparation of at least butene and octene from ethene
A process for the combined preparation of at least butene and octene from ethane, proceeds by a) providing an inert solvent having a boiling point or boiling range below the boiling point of butene; b) providing a first feed mixture comprising at least the inert solvent and ethene dissolved therein; c) converting the first feed mixture in a first synthesis; d) in the first synthesis, oligomerizing at least a portion of the ethene present in the first feed mixture in the presence of a first heterogeneous catalyst and in the presence of the inert solvent to obtain a first reaction mixture comprising at least the inert solvent, butene, hexene and octene; e) working-up of the first reaction mixture and/or a substance stream based thereon into a low boiler fraction comprising the inert solvent, at least one c4-fraction comprising butenes, a c6-fraction comprising hexenes, a c8-fraction comprising octenes and into a c8+-fraction comprising hydrocarbons having more than eight carbon atoms; f) using at least a portion of the low boiler fraction for providing the first feed mixture; g) providing a second feed mixture comprising at least hexene and ethene dissolved in the hexene using at least a portion of the c6-fraction; h) converting the second feed mixture in a second synthesis, wherein the second synthesis is spatially separated from the first synthesis; i) in the second synthesis, reacting at least a portion of the ethene present in the second feed mixture with at least a portion of the hexene present in the second feed mixture in the presence of a second heterogeneous catalyst to obtain a second reaction mixture comprising at least octene; and k) joint working-up of the second reaction mixture with the first reaction mixture or with the substance stream based thereon.. .
Evonik Degussa Gmbh
Wastewater treatment system
The wastewater treatment system of the present invention is adapted to remove cod and nitrogenous compounds from wastewater. The system includes a carbon-removing anaerobic fluidized bed reactor and a nitrogen-removing fluidized bed reactor.
National Chiao Tung University
Rigid urethane self-skinning foam cart assembly
A wheeled platform is disclosed having a generally planar body having a top side, a bottom side and a peripheral edge, the top side adapted to support an item, the bottom side has a plurality of wheels extending therefrom, and a portion of the peripheral edge has a retaining member. The body is made from a thermoset foam material varying in density along the thickness with the highest density being proximate the outer surfaces..
Multilayer nonwoven fabric for foam molding, producing multilayer nonwoven fabric for foam molding, urethane-foam molded complex using multilayer nonwoven fabric, vehicle seat, and chair
Disclosed is a multilayer nonwoven fabric for foam molding containing a dense layer and a reinforcing layer provided on at least one side of the dense layer, the reinforcing layer is a staple fiber nonwoven fabric containing thermoplastic resin staple fibers (a) having a fiber diameter of more than 20 μm, in an amount of 5% by mass to 50% by mass, and hermoplastic resin staple fibers (b) having a fiber diameter of 20 μm or less, in an amount of 95% by mass to 50% by mass, and conjugate polyester-based staple fibers (c) are contained in an amount of 10% by mass to 40% by mass, the dense layer is a nonwoven fabric having bulk density in a range of from 0.05 g/cm3 to 0.3 g/cm3, and the dense layer and the reinforcing layer are entangled with each other by needle punching.. .
Mitsui Chemicals, Inc.
Container modifications to minimize defects during reactive polyurethane flow
A method of reducing the number or size of voids in a polyurethane comprises reacting the formulation components in a container having an inner surface, or having a liner that has an inner surface, that has been modified to reduce the shear forces that normally accompany introduction of such components into a container. This is done by modifying the inner container's or container liner's surface by profiling and/or engraving it, or by including as a liner a mesh.
Dow Global Technologies Llc
Process for producing a reforming catalyst and the reforming of methane
The present invention relates to a process for producing a catalyst for the reforming of hydrocarbons, preferably methane, in the presence of co2, water and/or hydrogen. The production of the catalyst is based on contacting of a hydrotalcite-comprising starting material with a fusible metal salt.
Container covered with a protection and retention coating, a kit for manufacturing a protection and retention coating, and a related manufacturing method
A container covered with a protection and retention coating, a kit for manufacturing a protection and retention coating, and a related manufacturing. The invention provides a container (1) comprising a glass wall (2) defining a reception cavity (3) for receiving a fluid substance, said container (1) further comprising a protection and retention coating (5) that covers the outside of said glass wall (2), said container (1) being characterized in that said protection and retention coating (5) is a multilayer coating that is transparent and that comprises a bottom layer (5a) that covers the glass wall (2), and a top layer (5b) that covers said bottom layer (5a), said bottom layer (5a) being made up of a polyurethane-based material, while said top layer (5b) is made up of a polyurethane-based material that is functionalized by a fluoropolymer-based compound..
High concentration methanol tolerant methanotroph and its application
The present invention discloses a high concentration methanol tolerant methanotroph and its application, a accession number of the methanotroph in china general microbiological culture collection center being cgmcc no. 9873, deposit date being oct.
Tianjin Institute Of Industrial Biotechnology, Chinese Academy Of Science
Process and biofilter system for h2s removal from a h2s contaminated energy production gas stream containing methane and use of such a biofilter system
The invention relates to a process and a biofilter system (10) for removing h2s from a h2s contaminated energy production gas stream containing methane. The aqueous biofilter system comprises a biofilter (6) having biofilter support material constituting a biofilter bed supporting a humidified biofilm having microorganisms that are capable of oxidizing h2s.
Yara International Asa
Use of pressure-sensitive adhesive tapes for optical applications
The invention relates to an adhesive tape comprising at least one layer of a pressure-sensitive acrylate adhesive comprising a polymer component and at least one additive, where the polymer component is composed of one or more copolymers each based on the following monomers: a) from 5 to 35% by weight of one or more monomers containing hydroxy groups and having a copolymerizable double bond; b) from 0 to 50% by weight of one or more acrylate and/or methacrylate monomers each having at least one amide group, urethane group, urea group, or carboxylic anhydride unit and/or ethylene glycol unit, c) from 15 to 95% by weight of an alkyl (meth)acrylate, where the alkyl moiety has from 1 to 14 carbon atoms, where the pressure-sensitive acrylate adhesive comprises one or more 2-(2h-benzotriazol-2-yl) derivatives admixed as additive; and also a corresponding adhesive.. .
Radiation-curable water-dispersible polyurethane (meth)acrylates
The present invention relates to radiation-curable, water-dispersible polyurethane(meth)acrylates, to coating compositions comprising the latter, to the use thereof and to the process for production thereof.. .
Anti-smudge and anti-graffiti compositions
Polyurethane-based and epoxy-based coating compositions are described that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue.
Queen's University At Kingston
Powdered polymer composition for a superhydrophobic coating and producing a superhydrophobic coating
The invention relates to the field of chemistry, and more particularly to a powdered polymer composition for a superhydrophobic coating and a method for producing such a coating. The composition contains a base in the form of a powdered thermosetting composition with an epoxy polyester, epoxy, polyester or polyurethane film-forming agent, and additionally contains a modifier in the form of hydrophobic particles of a surface-modifying and texturing component with particle sizes from 5 nm to 35 μm, in the following ratio: 95-99.5 wt % base; 0.5-5 wt % modifier.
Process for extending the shelf life of gaseous olefinic propellants in polyurethane foams
The invention described herein generally pertains to a composition and a method for improving the shelf life of a gaseous hydrofluoroolefin propellant, the improvement comprising at least the increased aromatic polyester polyol(s) in combination with a tertiary amine catalyst comprising at least two cyclohexyl rings and an aliphatic metal salt catalyst, the amine catalyst having less than 10% nitrogen on a weight basis.. .
Fomo Products, Inc.
Vacuum assisted process to make closed cell rigid polyurethane foams using mixed blowing agents
Rigid polyurethane foam is made in a vacuum assisted process using a blowing agent mixture that includes water and hydrofluoroolefin and/or hydrofluorochloroolefin. In preferred embodiments, the blowing agent mixture further includes a hydro carbon such as cyclopentane..
Dow Global Technologies Llc
Novel polyurethane curatives
A class of alkanol amine ligands reacted with bismuth carboxylates lends unique curability properties to isocyanate and polyols for production of polyurethane for case applications, including growing demand for polyurethane spray-foam. The amino-alcohol ligand, when associated with bismuth neodecanoate, offers improved moisture and solvent resistance during b-side (polyol) storage, cure rates analogous to tin-based curatives, and overall good final physical properties of the cured polyurethane..
The Shepherd Chemical Company
Polyester polyol and polyol blends and rigid polyurethane foam manufacturing
A polyester polyol is formed in a polycondensation reaction between an aromatic dicarboxylic acid, a polyol, and an epoxy compound having a straight chain alkyl or alkenyl group having at least six carbon atoms. The polyester polyol exhibits excellent compatibility with hydrocarbon blowing agents.
Dow Global Technologies Llc
Pipa polyol based viscoelastic foams
Viscoelastic foam is made by reacting an isocyanate compound with water and a polyol mixture. The polyol mixture contains a dispersion of polyurethane or polyurethane-urea particles in a carrier polyol (a pipa polyol) and at least one other polyol that is a homopolymer of propylene oxide or a copolymer of 20 to 99.9 weight-% propylene oxide and 0.1 to 80 weight-% ethylene oxide, has 2 to 4 hydroxyl groups per molecule and has a hydroxyl equivalent weight of 200 to 400.
Dow Global Technologies Llc
Reduction of aldehydes in amine catalysts
The present disclosure provides a method for reducing the aldehyde content in an amine catalyst by treating the amine catalyst with a treating agent selected from a cyclic urea substituted with at least one isocyanate reactive group, a free radical scavenger and a mixture thereof. The treated amine catalyst may then be used in the production of polyurethane materials which exhibit reduced aldehyde emissions..
Huntsman Petrochemical Llc
Esters with antimicrobial, bioresistant and fungal resistant properties
A bromine/nitro moiety linked into the backbone of an ester or other compound over a wide range of occurrence rates provides antimicrobial, bio-resistant and fungal resistant properties for metal working fluids (mwf)s and other coatings. The moiety can be have the bromo and nitro groups linked to the same or different carbon atoms.
Use of polymers as heterogeneous hydrogen donors for hydrogenation reactions
The present invention covers the use of polymers or copolymers having a naphthalene-type unit in their structure as heterogeneous hydrogen transfer agents for hydrogenation, hydrotreatment or reduction reactions. These heterogeneous hydrogen transfer agents may or may not be supported on metallic oxides and may be used in the presence of reducing agents such as hydrogen or methane.
Instituto Mexicano Del PetrÓleo
Ethylene-to-liquids systems and methods
Integrated systems are provided for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compositions, from methane using an oxidative coupling of methane system to convert methane to ethylene, followed by conversion of ethylene to selectable higher hydrocarbon products. Integrated systems and processes are provided that process methane through to these higher hydrocarbon products..
Siluria Technologies, Inc.
Reduction of organonitrile impurity levels in hcn from an oxygen andrussow process
The invention provides an oxygen andrussow process for production of hydrogen cyanide from a methane-containing feedstock such as natural gas in the presence of oxygen and ammonia over a platinum catalyst, wherein the production of byproduct organonitrile impurities, such as acrylonitrile, is reduced. Limiting the content of c2 hydrocarbons in the methane feedstock in the oxygen andrussow process, in contrast to the air andrussow process, has been found to reduce formation of organonitriles, such as acrylonitrile.
Invista Technologies S.a R.l.
Vehicle interior board and manufacturing the same
Included are a first board and a second board that include hard polyurethane foam layers and formed respectively in spaces sandwiched between pairs of thin plates, and a coupling member having a porous structure where a recessed groove is formed, parts of the coupling member being arranged in the spaces. The hard polyurethane foam layers are also formed in gaps between the thin plates and the coupling member to join the boards to the coupling member.
Moriden Co., Ltd.
Automated making painted vehicle body panel skins and vehicle body panels, such as instrument panels, utilizing same
An automated method and system for making painted vehicle body panel skins and vehicle body panels. The method includes transferring a mold having a mold surface from an entrance station to a paint station within a dispensing area.
Global Ip Holdings, Llc
The handle may be hollow inside and serve to accommodate at least one dispensing tip, preferably several dispensing tips. This is insofar advantageous that the foam gun always includes spare dispensing tips, making it unnecessary to carry these along separately.
Reactor comprising a plasma source and a catalyst comprising a mesoporous support material for the preparation of ethene from methane
The invention relates to a reactor comprising a plasma source and a catalyst comprising a mesoporous support. The invention also relates to a process comprising feeding methane to said reactor in order to obtain one or more of ethene, hydrogen and carbon as well as downstream products derived from ethene thus obtained.
Saudi Basic Industries Corporation
The present invention relates to amoxicillin trihydrate compositions having a surface area of from 1.0 to 2.5 m2·g−1 that are free of organic contaminants such as dichloromethane, isopropanol, pivalic acid and triethyl amine and that have a purity of from 97.0% to 99.99%. Furthermore, the present invention relates to a method for the preparation of said amoxicillin trihydrate compositions and to the use of said compositions for the treatment of a bacterial infection..
Dsm Sinochem Pharmaceuticals Netherlands B.v.
Impregnable and expanding wound packing article and use
An impregnable and expanding wound packing article includes a main body at least partially formed from a highly absorbent material, such as polyurethane sponge material or compressed cotton gauze sponge material. In response to absorption of surrounding fluids, the main body continually expands until the outer wall of the main body comes into abutment with the inner wall of the irrigated, open wound.
Material of storage device, storage device and a bag thereof
The present invention discloses a material of storage device, a storage device and a bag of the same. The material of storage device comprise a composite layer composed of polyurethane layer, polyurethane-polyurea copolymer layer, ethylene-vinyl acetate copolymer layer materials.
Compositions comprising 1,1-diflouroethene (r-1132a)
The invention provides a composition comprising 1,1-difluoroethene (r-1132a); a second component selected from the group consisting of hexafluoroethane (r-116), ethane (r-170) and mixtures thereof; and, optionally carbon dioxide (co2, r-744).. .
Mexichem Amanco Holding S.a. De C.v.
Nitrile rubber-metal laminated gasket material
A nitrile rubber-metal laminated gasket material comprising a surface-treating agent layer, an adhesive layer, and a rubber layer, which are sequentially laminated on a metal plate, wherein the surface-treating agent layer is formed using a surface-treating agent that is free from chromium and comprises of (a) a urethane resin or phenolic resin, (b) a silicon-containing compound, and (c) a fluorine-free zirconium compound or fluorine-free titanium compound as essential components. The nitrile rubber-metal laminated gasket material has excellent llc resistance and oil resistance under high temperature, although it uses a surface-treating agent for metal, which is free from chromium and fluorine..
Recording method and ink set
A recording method including depositing onto a recording region of a recording medium a reaction liquid containing a flocculant capable of aggregating constituents in an ink composition or increasing the viscosity of the ink composition, depositing a first ink composition containing a coloring material, polymer fine particles made of a resin being an acrylic resin, and water on the recording region on which the reaction liquid has been deposited, and depositing a second ink composition containing a coloring material, polymer fine particles made of a resin being a urethane resin, and water on the recording region on which the first ink composition has been deposited.. .
Seiko Epson Corporation
Spandex fibers for enhanced bonding
An elastic fiber is provided that includes polyurethane and/or polyurethaneurea and an additive such as polystyrene, an acrylic polymer, polyvinylpyrrolidone, copolymers thereof, derivatives thereof, and combinations thereof. The elastic fiber is useful in laminate structures, such as disposable hygiene articles as wells as in knit, woven and nonwoven fabric constructions..
Invista North America S.a.r.l.
Low polyunsaturated fatty acid oils and uses thereof
Provided are microalgal oils having a low polyunsaturated fatty acid profile and derivatives of the oils, including acids, esters, epoxides, hydroxylated acids and esters, urethanes, amides, and polymers thereof. Also provided are compositions comprising the oils and their derivatives and their uses in foodstuffs and in industrial and material applications.
Process for producing a substitute natural gas
A process for producing a substitute natural gas, the process comprising the steps of providing a synthesis gas comprising hydrogen and carbon monoxide; subjecting the synthesis gas to a water-gas-shift reaction to increase the ratio of hydrogen to carbon monoxide thereby forming a hydrogen-enriched synthesis gas; subjecting the hydrogen-enriched synthesis gas to a methanation reaction to convert at least a portion of the gas into methane thereby forming a methane-enriched gas; and recovering from the methane-enriched gas a methane-containing gas having a wobbe number of from 43 to 57 mj/m3.. .
Progressive Energy Limited
Heat-transfer compositions exhibiting improved miscibility with the lubricating oil
The use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. Further included are heat-transfer compositions and also equipment and processes using these compositions.
Method for producing anti-blocking hard coat film
Embodiments of invention provide a method for producing a hard coat film which has a hard coat that is formed from an active energy ray-curable resin composition on at least one surface of a film base. According to at least one embodiment, the active energy ray-curable resin composition used in this method contains (p) 100 parts by mass of a urethane (meth)acrylate compound, (q) 0.02-5 parts by mass of organic fine particles having an average particle diameter of 10-300 nm, and (r) 0.0002-2 parts by mass of an acrylic silicone-based leveling agent.
Riken Technos Corporation
Blends of thermoplastic polyurethanes and rubbers and process for producing same
The invention relates to the field of chemistry and to the blends that can by way of example be used for rolls and roll coverings in the printing, textile, paper and graphic industry. The problem addressed by the present invention is provision of blends that have improved physical properties, and of a simple low-cost process with low energy consumption for producing same.
Leibniz-institut Fuer Polymerforschung Dresden E.v .
Shaped parts made of reinforced polyurethane urea elastomers and use thereof
The invention relates to foamed shaped parts provided with reinforcing materials and made from polyurethane urea elastomers, and to the use thereof.. .
Covestro Deutschland Ag
Process for the preparation of lignin based polyurethane products
A process for the production of a lignin based polyurethane products is provided. The process comprises mixing at least one dried lignin and at least one isocyanate to form a lignin-isocyanate mixture, and submitting the lignin-isocyanate mixture to a polymerization reaction.
Enerlab 2000 Inc.
Composite material including rigid foam with inorganic fillers
A composite material includes, in an exemplary embodiment a polyurethane foam and a plurality of inorganic particles dispersed therein. The polyurethane foam is formed from a reaction mixture that includes a first polyether polyol having a first molecular weight and a functionality of about 3 or less, a second polyether polyol having a second molecular weight less than the first molecular weight and a functionality of greater than about 3, and at least one isocyanate.
Polyisocyanate polyaddition polyol manufacturing process using stabilizers
Pipa polyols are made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of a stabilizer. Low amounts, if any, of water are present.
Dow Global Technologies Llc
Installation and process for the preparation of hydrogen cyanide
Present invention relates to a process and an installation (100) for the preparation of hydrogen cyanide by the andrussow process, and more precisely for improving the conditions of mixing the reactant gases before feeding the andrussow type reactor (60), in order to improve safety, to avoid any risk of explosion and to produce hcn in safe and efficient manner. The installation is configured in such a manner that oxygen is pre-mixed with air with a ratio comprised between 20.95% and 32.5% by volume, preferably between 25% and 30.5% by volume; methane containing gas and ammonia are simultaneously added in the pre-mixture of oxygen-enriched air in such a manner that the volumic ratio of methane to ammonia is comprised between 1.35 and 1.02 depending on the content of oxygen into air; said obtained reactant gases mixture having a temperature comprised between 80° c.
Hydrogen cyanide production with treated natural gas as source or methane-containing feedstock
The present invention relates to an improved process for producing hydrogen cyanide. More particularly, the present invention relates to a commercially advantageous process for producing hydrogen cyanide at enhanced levels of productivity and yield while using natural gas comprising at least one c2+ hydrocarbon, carbon dioxide, and hydrogen sulfide.
Invista North America S.a R.l.
Gliding arc plasmatron reactor with reverse vortex for the conversion of hydrocarbon fuel into synthesis gas
A reactor for reforming a liquid hydrocarbon fuel, and associated processes and systems, are described herein. In one example, a two stage process is disclosed in which a first reactor is coupled to a second stage reactor having a reaction volume greater than the first reactor.