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103 results about "Phosphonium compound" patented technology
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Quaternary phosphonium cations (PR +4) are produced by alkylation of organophosphines. For example, the reaction of triphenylphosphine with methyl iodide gives methyltriphenylphosphonium iodide, the precursor to a Wittig reagent:. PPh 3 + CH 3 I → CH 3 PPh + 3 I − Phosphorus pentachloride and related halophosphonium compounds. Solid phosphorus pentachloride is an ionic compound, formulated ...
Nonwoven blend with electret fiber
InactiveUS6926961B2Inorganic material magnetismLoose filtering material filtersFiberAmmonium compounds
Owner:INVISTA NORTH AMERICA S A R L
Method for recovering phosphonium compound from phosphorous excess sludge of urban sewage treatment plant
InactiveCN101654238AEasy to recycleImprove biodegradabilitySludge treatmentPhosphorus compoundsPhosphate crystalsSludge
The invention relates to a method for recovering a phosphonium compound from phosphorous excess sludge of an urban sewage treatment plant, comprising the following steps: a. obtaining phosphorous excess sludge from a biological dephosphorization urban sewage treatment system; b. carrying out ultrasonic cracking treatment on the excess sludge obtained from the step a to release pnicogen in the sludge, centrifuging the sludge and carrying out solid-liquid separation on the sludge after cracking, collecting supernatant and carrying out the step c or d; c. obtaining a recovered ammoniomagnesium phosphate crystal by adopting a magnesium ammonium phosphate precipitation process; and d. obtaining recovered phosphoric acid calcium salt by adopting a phosphoric acid calcium salt precipitation process. The invention can recovery the phosphonium compound from the excess sludge, reduce the sludge volume and lower the sludge treatment expense and is beneficial to the management operation of the urban sewage treatment plant.
Owner:EAST CHINA UNIV OF SCI & TECH
Composition for treating substrate and process of treatment
InactiveUS20040060476A1Improve propertiesExcellent abrasion resistanceOther chemical processesCoatingsOrganic solventWater insoluble
The composition for treating a siliceous substrate comprises: substantially water insoluble fluoro silane; an organic solvent in an amount sufficient for solubilizing the fluoro silane, and at least one ammonium and / or phosphonium compound, the weight ratio (ammonium and / or phosphonium compound / water insoluble fluoro silane) being greater than 0.005
Owner:ICT COATINGS
The preparation method of ionic liquid and the secondary battery
ActiveUS20170077557A1Increase rangeIncrease varietyCell electrodesSecondary cells servicing/maintenanceLithiumAmmonium compounds
The present invention relates to a preparation method of ionic liquids, particularly to a one-step reaction method used for synthesizing quaternary ammonium compounds or quaternary phosphonium compounds. In the method, a nitrogenous or phosphorous compound, a proton compound, and a carbonate ester are added into a reactor simultaneously to synthesize corresponding the quaternary ammonium ionic liquid or the quaternary phosphonium ionic liquid through said one-step reaction, i.e., ‘one-pot method’ reaction, during which three reactants are involved. The present invention also provides a lithium ion secondary battery comprising the ionic liquid prepared by above-mentioned preparation method. The ionic liquid preparation method of the present invention can widen the choice range of raw materials needed when preparing ionic liquids, and further widen the synthesized ionic liquid species.
Owner:MICROVAST POWER SYST CO LTD
Methods for inhibiting hydrate blockage in oil and gas pipelines using simple quaternary ammonium and phosphonium compounds
ActiveUS20050081714A1Inhibition formationUsing liquid separation agentGaseous fuelsPhosphoniumBetaine
A method and a quaternary ammonium or phosphonium composition used therein for inhibiting retarding, mitigating, reducing, controlling and / or delaying formation of hydrocarbon hydrates or agglomerates of hydrates. The method may be applied to prevent or reduce or mitigate plugging of conduits, pipes, transfer lines, valves, and other places or equipment where hydrocarbon hydrate solids may form under the conditions. At least one quaternary ammonium or phosphonium compound is added into the process stream, where the compound may be mixed with another compound selected from other amino alcohols, esters, quaternary ammonium, phosphonium or sulphonium salts, betaines, amine oxides, amides, simple amine salts, and combinations thereof.
Owner:CHAMPIONX USA INC
Preparation method for ionic liquid and secondary battery
ActiveCN105826596AWide range of choicesMild reaction conditionsSecondary cellsOrganic electrolytesPhosphoniumQuaternary ammonium cation
The invention relates to a preparation method for ionic liquid, especially to a one-step method for synthesis of a quaternary ammonium or quaternary phosphonium compound. According to the method, a nitrogen compound or phosphorus-containing compound, a proton compound and carbonic ester are added into a reactor together for a one-step reaction so as to synthesize corresponding quaternary ammonium or quaternary phosphonium ionic liquid, wherein the reaction is a one-pot reaction involving three reactants. The invention also provides a lithium ion secondary battery of the ionic liquid prepared by using the preparation method. The preparation method for the ionic liquid can broaden the selection scope of preparation raw materials for the ionic liquid, so the varieties of synthesized ionic liquid are enriched; and the preparation method utilizes nontoxic and harmless raw materials, has mild reaction conditions, low requirements on production equipment and low production cost, and meets demands of green industry and large-scale industrial production.
Owner:MICROVAST POWER SYST CO LTD
Methods for inhibiting hydrate blockage in oil and gas pipelines using simple quaternary ammonium and phosphonium compounds
A method and a quaternary ammonium or phosphonium composition used therein for inhibiting retarding, mitigating, reducing, controlling and / or delaying formation of hydrocarbon hydrates or agglomerates of hydrates. The method may be applied to prevent or reduce or mitigate plugging of conduits, pipes, transfer lines, valves, and other places or equipment where hydrocarbon hydrate solids may form under the conditions. At least one quaternary ammonium or phosphonium compound is added into the process stream, where the compound may be mixed with another compound selected from other amino alcohols, esters, quaternary ammonium, phosphonium or sulphonium salts, betaines, amine oxides, amides, simple amine salts, and combinations thereof.
Owner:CHAMPIONX USA INC
Electrolytes and Metal Hydride Batteries
ActiveUS20160141726A1Final product manufactureSmall-sized cells cases/jacketsAmmonium compoundsPhosphonium
A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V.
Owner:BASF CORP
Epoxy resin composition
ActiveUS7112636B2Good light transmissionLittle discolorationOther chemical processesLuminescent compositionsCompound aEpoxy
An epoxy resin composition comprising an epoxy resin, a hardening agent and a hardening accelerator as an indispensable ingredients is provided wherein the hardened resin has a high translucency and has little discoloration under high temperature and high humidity and is excellent at heat resistance and light fastness by compounding a phosphonium compound represented by the following formula (I) as a hardening accelerator.
Owner:NICHIA CORP
Electrolytes and Metal Hydride Batteries
A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V.
Owner:BASF CORP
Composition for treating substrate and process of treatment
Owner:ICT COATINGS
Antibacterial chitosan gel and preparation method thereof
ActiveCN104027300ALower resistanceHigh biosecurityOrganic active ingredientsPeptide/protein ingredientsCarrageenanIrritation
The invention relates to antibacterial chitosan gel and a preparation method of the antibacterial chitosan gel. The preparation method includes the steps of preparing complex liquid containing chitosan, preparing a fibroin ethanol solution, preparing a carrageenan solution, preparing a quaternary phosphonium compound solution, preparing gel and other steps. According to the antibacterial chitosan gel, high-molecular-weight chitosan and low-molecular-weight chitosan compounds are used as main base materials in cooperation with antibiotic synergist, gelatinizing agents, histocyte repairing auxiliary materials and the like for being compounded, and use of other chemicals, biological drugs and other ingredients is avoided; as a result, the safety of the gel is improved, cost is reduced, irritation to patients is reduced, and health restoration of the patients is facilitated. The ability of the prepared antibacterial chitosan gel to resist bacteria such as staphylococcus aureus, coliform bacteria, streptococcus and pseudomonas aeruginosa reaches more than 99 percent, so the antibacterial chitosan gel shows good bacteriostatic ability.
Owner:JIANGSU RUIJING TECH DEV
Quaternary Phosphonium Coated Surfaces and Methods of Making the Same
ActiveUS20160115268A1Preventing pin-site infectionReduce morbidityBiocidePaints with biocidesPhosphoniumCompound (substance)
Disclosed herein is a composition comprising a substrate with functionalized surface covalently bound to an anti-infective agent, such as a quaternary phosphonium compound with anti-bacterial activity against a broad range of bacteria, methods of synthesizing an anti-infective composition, and its resultant antimicrobial performance.
Owner:ORTHOBOND
Bleaching and brightness stabilization of lignocellulosic materials with water-soluble phosphines or phosphonium compounds
A method for the bleaching and brightness stabilization of lignocellulosic materials is described. The method involves the treatment of lignocellulosic materials, in particular, (a) wood pulps such as thermomechanical pulps (TMP) and chemithermomechanical pulps (CTMP), and (b) papers made from wood pulps, with a water-soluble phosphine or a phosphonium compound preferably containing at least one phosphorus hydroxyalkyl bond / linkage, for example a phosphorus hydroxymethyl bond / linkage (P-CH2OH). One example of such a water-soluble phosphine is the commercially available, tris(hydroxymethyl)phosphine (THP), P(CH2OH)3. One example of such a phosphonium compound is the commercially available, tetrakis(hydroxymethyl)phosphonium chloride (THPC), [P(CH2OH)4]Cl.
Owner:THE UNIV OF BRITISH COLUMBIA +1
Anti-static resin composition containing fluorinated phosphonium sulfonates
An anti-static thermoplastic resin composition of 90-99.95 weight % of a thermoplastic resin and correspondingly 10 to 0.05 weight % of a halogenated carbon sulfonic acid salt of a polysubstituted phosphonium compound such as a fluorinated phosphonium sulfonate and wherein the thermoplastic resin is either an aromatic polycarbonate, polyetherimide, polyester, polyphenylene ether, polyphenylene ether / styrene polymer blend, polyamide, polyketone, acrylonitrile-butadiene-styrene, blends thereof and blends thereof with other materials. Preferably the thermoplastic resin is a transparent aromatic polycarbonate.
Owner:SABIC GLOBAL TECH BV
Catalytic radiofluorination
InactiveUS20050260130A1Widespread production and useRadioactive preparation carriersGroup 3/13 element organic compoundsArylPhosphonium salt
One aspect of the present invention relates to a method of preparing radiofluorinated substituted alkyl, cycloalkyl, aryl, and alkenyl compounds. In a preferred embodiment, potassium fluoride-18 is used. Another aspect of the invention relates to piperazine compounds containing fluorine-18 that are useful as imaging agents. In certain embodiments, the piperazine compounds contain a quaternary amine. Another aspect of the invention relates to arylphosphonium compounds containing fluorine-18 that are useful as imaging agents. In certain embodiments, the phosphonium compound is a tetraaryl phosphonium salt. Another aspect of the present invention relates to a method of obtaining a positron emission image of a mammal, comprising the steps of administering to a mammal a compound of the invention, and acquiring a positron emission spectrum of the mammal.
Owner:THE GENERAL HOSPITAL CORP
Electrolytes and Metal Hydride Batteries
InactiveUS20160141725A1Final product manufactureCell component detailsPhosphoniumAlkaline earth metal
A metal hydride battery comprising at least one negative electrode, at least one positive electrode, a casing having said electrodes positioned therein and an electrolyte composition, where the electrolyte composition comprises an ionic compound selected from the group consisting of protic acids, protic ammonium compounds, protic oxonium compounds, aprotic ammonium compounds, aprotic oxonium compounds, aprotic phosphonium compounds and alkali or alkali earth metal salts; or where the electrolyte composition comprises an ionic compound selected from the group consisting of alkali or alkali earth metal hydroxides and alkali or alkali earth metal alkoxides and an organic solvent; or where the electrolyte composition comprises an alkali metal hydroxide, water and one or more further components selected from the group consisting of organic solvents, further ionic compounds and additives; or where the electrolyte composition comprises an ionic compound selected from the group consisting of carboxylate compounds and carboxylic acids. Ionic compounds include ionic liquids and salts. Metal hydride batteries comprising certain electrolyte compositions have a nominal open-circuit voltage of from about 1.5 V to about 5.0 V.
Owner:BASF CORP
Anti-gel agent for polyhydroxyetheramines, gel stabilized polyhydroxyetheramine solutions, and methods for making and using same
Anti-gel agents for polyhydroxyetheramines / copolyhydroxyetheramines and gel stabilized polyhydroxyetheramine / copolyhydroxyetheramine solutions including a polymer system including polyhydroxyetheramines and / or copolyhydroxyetheramines and an anti-gel system including quaternary ammonium compounds, quaternary phosphonium compounds, or mixtures and combinations.
Owner:LUBRIZOL OILFIELD SOLUTIONS
Synthesis of Uniform Nanoparticle Shapes with High Selectivity
InactiveUS20100025637A1Easy to implementHigh yieldMaterial nanotechnologyTransuranic element compoundsAmmonium compoundsNanoparticle
Embodiments of the invention provide a method of making non-spherical nanoparticles that includes (a) combining a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; and (b) isolating non-spherical nanoparticles from the resulting reaction mixture. Other embodiments of the invention provide non-spherical nanoparticle compositions, that are the reaction product of a source of a Group 12, 13, 14, or 15 metal or metalloid; a source of a Group 15 or 16 element; and a source of a quaternary ammonium compound or phosphonium compound; wherein nanoparticle tetrapods comprise 75-100 number percent of the nanoparticle products.
Owner:RICE UNIV
Tannages and tanning material
A novel tannage comprises the reaction product of a quaternary phosphonium compound (e.g. tetrakis hydroxymcthyl phosphonium chloride or sulphate) with a vegetable tanning agent (e.g. mimosa, chestnut, wattle, tara, myrobolam or quebracho). There is also provided a method for the production of such a tannage.
Owner:RHODIA CONSUMER SPECIALITIES LTD
Epoxy resin composition for sealing, and electronic component device
InactiveUS20130277867A1Improve adhesionSuperior continuous moldabilitySemiconductor/solid-state device detailsSolid-state devicesSilane compoundsEpoxy
The present invention provides an epoxy resin composition for sealing that demonstrates favorable adhesion to a copper lead frame in which oxidation has progressed and has superior mold release and continuous moldability. The epoxy resin composition for sealing includes (A) an epoxy resin, (B) a phenolic resin-based curing agent, (C) an inorganic filler, and (D) a curing accelerator. The curing accelerator (D) has an average particle diameter of 10 μm or less, and the ratio of particles having a particle diameter in excess of 20 μm is 1% by weight or less. Also, the curing accelerator (D) includes at least one type of curing accelerator selected from the group consisting of a phosphobetaine compound having a specific structure; adduct of a phosphine compound having a specific structure, and quinone compound; and an adduct of a phosphonium compound having a specific structure, and a silane compound. An electronic component device in which an electronic component is sealed by a cured product of the aforementioned epoxy resin composition for sealing is provided.
Owner:SUMITOMO BAKELITE CO LTD
Flame retardant composition and textile material comprising the same
A flame retardant composition comprises a phosphorous-containing polymer. The phosphorous-containing polymer can be produced by first reacting a phosphonium compound and a nitrogen-containing compound to produce a precondensate compound and then reacting the precondensate compound with a cross-linking composition. The resulting phosphorous-containing intermediate polymer can then be oxidized to convert at least a portion of the phosphorous atoms in the polymer to a pentavalent state. A textile material comprises a textile substrate and a phosphorous-containing polymer, such as that described above.
Owner:MILLIKEN & CO
Inhibiting naphthenate solids and emulsions in crude oil
Naphthenic acid solids and / or emulsions can be inhibited by introducing an additive to crude oil prior to or concurrent with the deprotonation of the naphthenic acids present in the crude oil. The additives may be surfactants and can be amines, quaternary ammonium compounds, quaternary phosphonium compounds, and mixtures of both. The additives may also be linear compounds having at least two carboxylic acid or acrylic acid functional moieties.
Owner:BAKER HUGHES INC
Flame retardant composition and textile material comprising the same
A flame retardant composition comprises a phosphorous-containing polymer. The phosphorous-containing polymer can be produced by first reacting a phosphonium compound and a nitrogen-containing compound to produce a precondensate compound and then reacting the precondensate compound with a cross-linking composition. The resulting phosphorous-containing intermediate polymer can then be oxidized to convert at least a portion of the phosphorous atoms in the polymer to a pentavalent state. A textile material comprises a textile substrate and a phosphorous-containing polymer, such as that described above.
Owner:MILLIKEN & CO
Method of producing polycarbonate articles by rotation molding and rotation molded articles made by the method
A method for making a polycarbonate article is described wherein the article is made by rotation molding a melt polycarbonate having a weight average molecular weight from 25,000 to about 36,000. The melt polycarbonate is produced by transesterifying a diaryl carbonate and a dihydroxy compound in the presence of a catalyst system to form an intermediate aromatic polycarbonate, wherein the catalyst system comprises a first catalyst selected from the group consisting of alkali metal salts and alkaline earth metal salts; and a second catalyst selected from the group consisting of quaternary ammonium compounds and quaternary phosphonium compounds; adding to said intermediate aromatic polycarbonate a catalyst quencher, and rotation molding the aromatic polycarbonate at a temperature from about 305° C. to about 360° C. Also disclosed are polycarbonate light diffusive articles produced by rotation molding.
Owner:SABIC GLOBAL TECH BV
Catalytic radiofluorination
InactiveCN1921893ARadioactive preparation carriersIsotope introduction to organic compoundsArylPotassium fluoride
One aspect of the invention relates to methods for the preparation of radioactively fluorinated substituted alkyl, cycloalkyl, aryl and alkenyl compounds. In a preferred embodiment, use 18 Potassium fluoride. Another aspect of the invention relates to fluorine-18-containing piperazine compounds for use as contrast agents. In certain embodiments, the piperazine compound contains quaternary ammonium. Another aspect of the invention relates to fluorine-18-containing arylphosphonium compounds for use as contrast agents. In certain embodiments, the phosphonium compound is a tetraarylphosphonium salt. Another aspect of the invention relates to a method of obtaining a positron emission image of a mammal, the method comprising administering a compound of the invention to the mammal and obtaining a positron emission spectrum of the mammal.
Owner:THE GENERAL HOSPITAL CORP
Method of producing polycarbonate articles by rotation molding and rotation molded articles made by the method
A method for making a polycarbonate article is described wherein the article is made by rotation molding a melt polycarbonate having a weight average molecular weight from 25,000 to about 36,000. The melt polycarbonate is produced by transesterifying a diaryl carbonate and a dihydroxy compound in the presence of a catalyst system to form an intermediate aromatic polycarbonate, wherein the catalyst system comprises a first catalyst selected from the group consisting of alkali metal salts and alkaline earth metal salts; and a second catalyst selected from the group consisting of quaternary ammonium compounds and quaternary phosphonium compounds; adding to said intermediate aromatic polycarbonate a catalyst quencher, and rotation molding the aromatic polycarbonate at a temperature from about 305° C. to about 360° C. Also disclosed are polycarbonate light diffusive articles produced by rotation molding.
Owner:SABIC GLOBAL TECH BV
Amphiprotic high polymer loaded phosphine compound and its preparation method
InactiveCN101007875AEasy to separateRaw materials are cheap and easy to getHydrocarbon by isomerisationOrganic-compounds/hydrides/coordination-complexes catalystsSulfonyl chlorideIsomerization
The invention discloses an amphiphatic macromolecule supported phosphonium compound and the preparation method. The chemical formula is PS-PEG-PR1R2, the PS-PEG is polyphenylacetylene- carbowax copolymer resin; P is phosphrous atom; R1 ans R2 is the same or different aromatic radical, alkyl or heterocycle. The method comprises following steps: adding polyphenylacetylene- carbowax copolymer resin and p-toluene sulfonyl chloride into alkali organic solvent, stirring and reacting to get polyphenylacetylene- carbowax copolymer resin with hydroxyl group substituted by p-toluenesulfonic acid group; then adding it into organic solvent containing alkali metal phosphonium compound, stirring and reacting to get amphiphatic macromolecule supported phosphonium compound. The product can be used as catalyst or ligand for hydrocarbon activation, Glaser coupling, alkynes isomerization and oxidation and reduction.
Owner:SOUTH CHINA UNIV OF TECH
Catalytic radiofluorination
InactiveUS7632485B2Widespread production and useRadioactive preparation carriersGroup 3/13 element organic compoundsArylPhosphonium salt
Owner:THE GENERAL HOSPITAL CORP
Epoxy resin composition
InactiveCN108473665AGood weather resistanceImprove adhesionNon-macromolecular adhesive additivesSemiconductor/solid-state device detailsEpoxyPolymer science
Owner:NEW JAPAN CHEM CO
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