323 results about "Organophosphorus compound" patented technology

A method of separation and recovery of elements from radioactive liquid wastes, includes a step of bringing into contact a high-level radioactive liquid waste containing separation target elements including Americium, Curium, Zirconium, Molybdenum, Palladium and rare earth elements with solid absorbent containing organophosphorus compounds so that the separation target elements are absorbed in the solid absorbent, a step of bringing into contact the solid absorbent with an acidic solution containing diethylenetriaminepentaacetic acid so that Americium, Curium, Zirconium, Molybdenum, Palladium and heavy rare earth elements are eluted from the solid absorbent, and a step of bringing into contact the solid absorbent underwent the first elution step with water or dilute nitric acid so that light rare earth elements are eluted from the solid absorbent. With the method, elements, which include Americium, Curium, Zirconium, Molybdenum, Palladium and rare earth elements, are efficiently and economically separated and recovered from the radioactive liquid waste.

Disclosed herein are novel coatings and paints comprising a biomolecule composition, wherein the biomolecule composition comprises a phosphoric triester hydrolase. Also disclosed herein are methods of detoxification of a surface contaminated with an organophosphorus compound by contacting the surface with such a coating or paint. Also disclosed herein are novel coating and paint components derived from microorganisms.

A catalyst for the polymerization or copdymerization of olefin is composed of Ti-contained solid component A, organoaluminium compound B and organosilicon compound C. Said A is prepared through dissolving magnesium halide in the mixture of organic epoxy compound, organophosphorus compound and inertial diluent, adding educing agent and magnesium halide or its derivatives to educe out Mg / Ti contained deposit, and carrying a surface modifier, a titanium halide or derivative and an electronic doner. It can be used for the polymerization of propene or copolymerization of propene-ethene.

The invention provides a fungicide composition containing an active component A and an active component B, and application thereof in preventing and controlling various agricultural fungal diseases. The active component A in the composition is one of two methoxyl acrylic ester compounds; and as shown above, the active component B of the compound A1 and the compound A2 is one of the following fungicide varieties: thiocarbamate compounds or salt thereof, aliphatic compounds or salt thereof, carbamate compounds or salt thereof, oxazole compounds or salt thereof, thiazole compounds or salt thereof, amide compounds or salt thereof, organophosphorus compounds or salt thereof, imidazole compounds or salt thereof, antibiotic compounds or salt thereof, pyridine compounds or salt thereof and triazole compounds or salt thereof.

Disclosed are an aqueous pigment dispersion containing at least a pigment, water, a high-molecular dispersant, and an alkali. The high-molecular dispersant is a diblock polymer having a formula (1) of A-B or a triblock polymer having a formula (2) of A-B-C. The diblock or triblock polymer is a diblock or triblock polymer obtained by polymerizing addition-polymerizable monomers with a radical generator while using an organic iodide as a polymerization initiating compound and an organic phosphorus compound, organic nitrogen compound or organic oxygen compound as a catalyst. Also disclosed are a production method and use of the aqueous pigment dispersion. With the high-molecular dispersant obtained by a simple living radical polymerization process free of the problems of conventional living radical polymerization and having a precisely-controlled molecular structure, the aqueous pigment dispersion can be obtained with the pigment dispersed in it.

A flame-retardant synthetic resin composition characterized by comprising 1-40 parts by weight of at least one type of organic phosphorus compound represented by the following general formula (1): (wherein R1 represents alkyl, aralkyl, etc.) with respect to 100 parts by weight of a synthetic resin.

A modified creping adhesive composition comprising at least one adhesive component and at least one modifier component, said modifier component comprising an organophosphorus compound is disclosed and claimed. A method of creping a paper web comprising: applying to a rotating creping cylinder an effective amount of a modified creping adhesive composition comprising at least one adhesive component and at least one modifier component, said modifier component comprising an organophosphorus compound; pressing a paper web against the creping cylinder to effect adhesion of the paper web to the creping cylinder; and dislodging the paper web from the creping cylinder with a doctor blade is also disclosed and claimed.

A decontamination system includes a spraying system in an enclosed chamber for application of a decontamination fluid having a liquid carrier, such as water, and an enzyme-based decontaminating chemical additive. The additive contains an organophosphorus compound-degrading enzyme. The decontamination system also includes a fluid flow control system that ensures delivery of decontamination fluid to spray nozzles. The fluid flow control system features a recirculation system that collects runoff from the chamber and transports the collected runoff to a decontamination reactor. The decontamination reactor removes contaminants from the collected runoff liquid and permits the collected runoff liquid to be reused for further decontamination, thus taking advantage of the catalytic characteristic of the enzyme.

The invention provides a preparation method of N-P-codoping porous biomass carbon catalyst. Cheap and easy-to-get biomass chitosan is taken as carbon source and nitrogen source (as nitrogen-containing ligand at the same time), organic phosphorus compound triphenylphosphine is taken as phosphorus-containing ligand, the nitrogen-containing ligand and the phosphorus-containing ligand form a coordination compound together with metal ions in metallic salt solution, ZnCl2 is taken as activating agent, the coordination compound is subjected to high-temperature pyrolysis in a nitrogen atmosphere to form holes, and finally diluted hydrochloric acid is used to remove metals for secondary hole formation, so as to prepare the N-P-codoping porous biomass carbon catalyst with rich micropores and a mesopores structure as well as a high specific surface area. The N-P-codoping porous biomass carbon catalyst is comparable to commercial Pt / C (20%) in catalytic performance in an alkaline environment, has good methanol poisoning resistance and stability, and can regulate components and performance of catalyst in molecular level. The N-P-codoping porous biomass carbon catalyst disclosed by the invention is expected to replace cathode oxygen reduction catalyst of the commercial Pt / C, and has a very good industrial application prospect.

A nontoxic deicing / anti-icing fluid includes a freezing point depressant selected from short chain polyols having 3 to 5 carbons atoms, and mixtures thereof, a wetting agent, an antioxidant / preservative, and water. The fluid has an LD50 greater than about 10,000 mg / L. Another deicing / anti-icing fluid includes the freezing point depressant, a vinylpyrrolidone polymer having a molecular weight between about 10,000 and about 700,000, and water. A runway deicing fluid includes glycerol, a buffer, an antioxidant / preservative, and water. Another deicing / anti-icing fluid includes a freezing point depressant having hydrophobic character, a wetting agent comprising an organophosphorus compound capable of producing an organic wettable surface, and water.

A flame-retardant resin composition which comprises a base resin and a flame retardant comprising (A) a calcium hydrogen phosphate and (B) at least one ingredient selected among (B1) a phosphorus compound, (B2) a nitrogen compound, (B3) a boron compound (such as a metal borate), (B4) a silicon compound (such as a (poly)organosiloxane or zeolite), and (B5) a metal compound (such as a metal hydroxide or metal oxide). The calcium hydrogen phosphate (A) may be, for example, a substantially anhydrous one. The phosphorus compound (B1) may be a (poly)phosphoric acid salt, a condensate of an organophosphorus compound, red phosphorus, etc. The nitrogen compound (B2) may be a salt of an aminated cyclic nitrogen compound with an oxyacid, a salt of an aminated cyclic nitrogen compound with a hydroxylated nitrogen compound, a urea compound, etc. The resin composition can have flame retardancy without the need of containing a halogenated flame retardant.

The flame retardant thermoplastic resin composition of the present invention comprises (A) 45˜95 parts by weight of a polycarbonate resin; (B) 1˜50 parts by weight of a rubber modified vinyl graft copolymer; (C) 0˜50 parts by weight of a vinyl copolymer; (D) 1˜30 parts by weight of a mixture of organic phosphorous compounds consisting of (d1) 1˜50% by weight of a oligomeric compound of cyclic phosphazene and (d2) 99˜50% by weight of an oligomeric phosphoric acid ester compound, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05˜5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).

The flame retardant thermoplastic resin composition of the present invention comprises (A) 45˜95 parts by weight of a thermoplastic polycarbonate resin; (B) 1˜50 parts by weight of a vinyl graft copolymer; (C) 0˜50 parts by weight of a vinyl copolymer or a mixture of vinyl copolymers; (D) 1˜30 parts by weight of a mixture of organic phosphorous compounds consisting of (D-1) 5˜95 parts by weight of a monomeric phosphoric acid ester compound or a mixture of monomeric phosphoric acid ester compounds and (D-2) 95˜5 parts by weight of an oligomeric phosphoric acid ester compound or a mixture of oligomeric phosphoric acid ester compounds, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05˜5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).

A device for measuring and detecting the organophosphonis compounds, such as a pesticides or a nerve agents is provided. The devices function by selectively binding an organophosphorous compound to a luminescent functionality-imprinted copolymer. The copolymers possess a securely bound luminescent lanthamide ion, such as Eu3+, in a coordination complex that has been templated for the chemical functionality.

The invention relates to a catalyst component for ethylene polymerization. The catalyst component is characterized in that the preparation method of the catalyst component comprises the following steps: reacting an alcohol compound with metallic magnesium powder to generate a magnesium compound, washing by an inert solvent, drying to obtain white powder, dissolving the white solid powder in an organic epoxy compound and an organophosphorus compound to form a uniform solution, and reacting the uniform solution with a titanium compound in the presence of a precipitation aid which is an organosilicon compound containing no reactive hydrogen to obtain the catalyst component. A catalyst prepared through using the catalyst component has the advantages of high polymerization activity, high hydrogen response and high bulk density because of the selection of the alkyloxy magnesium compound as a carrier when the catalyst is used for the ethylene polymerization. Polymers synthesized through the catalyst especially have the advantages of concentrated particle size distribution and good degree of sphericity.

The present invention provides a method for manufacturing a laminate, comprising the steps of laminating two or more layers of polycarbonate resin film and / or sheet using a (meth)acrylate-based adhesive composition containing a (A) (meth)acrylate monomer, a (B) meth(acrylate) olygomer, an (C) acrylamide derivative, and a (D) silane compound and / or an (E) organophosphorus compound to form a laminate having a thickness of 0.1 mm to 30 mm; heating the laminate at 130° C. to 185° C. so that a temperature difference between a top surface and a bottom surface of the laminate is within 20° C.; and bending the post-heating laminate into a curved shape having a radius of curvature of 10 mm or greater.

This invention relates generally to methods and apparatus for the detoxification of fluid streams, for example, wastewater contaminated with neurotoxins, particularly organophosphorous compounds, and comprises contacting the fluid stream with a bioactive coating. More particularly, the invention relates to chemical reactors for detoxifying fluid streams and also, bioactive coated support components comprising rigid, semi-rigid, or flexible support materials coated with a bioactive coating compriseing dessicated whole cells, whole cell fragments, enzymes, and combinations thereof that are capable of hydrolizing neurotoxic organophosphorous chemical compounds. Organophosphorus hydrolases that are capable of detoxifying organophosphorus compounds that are: chemical weapons agents, in particular, tabun (“GA”), sarin (“GB”), soman (“GD”), cyclosarin, VX, and its isometric analog Russian VX (“VR” or “R-VX”); chemical weapons agent analogs, chemical weapons surrogates; and pesticides are most preferred. The process and apparatus embodiments of the present invention are designed to detoxify organophosphorus compounds continuously, semi-continuously and and in batch operation.

A method of separation and recovery of elements from radioactive liquid wastes, includes a step of bringing into contact a high-level radioactive liquid waste containing separation target elements including Americium, Curium, Zirconium, Molybdenum, Palladium and rare earth elements with solid absorbent containing organophosphorus compounds so that the separation target elements are absorbed in the solid absorbent, a step of bringing into contact the solid absorbent with an acidic solution containing diethylenetriaminepentaacetic acid so that Americium, Curium, Zirconium, Molybdenum, Palladium and heavy rare earth elements are eluted from the solid absorbent, and a step of bringing into contact the solid absorbent underwent the first elution step with water or dilute nitric acid so that light rare earth elements are eluted from the solid absorbent. With the method, elements, which include Americium, Curium, Zirconium, Molybdenum, Palladium and rare earth elements, are efficiently and economically separated and recovered from the radioactive liquid waste.

The invention discloses a method for re-crystallizing, refining and purifying sugammadex sodium. The method comprises the following steps: adding a protective agent to crude sugammadex sodium, and performing re-crystallizing under the protection of an inert gas to obtain pure sugammadex sodium, wherein the protective agent is selected from one or a mixture of two or more of mercaptoethanol, mercaptoacetate, mercaptoacetate ester, mercaptopropionate, mercaptopropionate ester, glutathione, cysteine, cystamine, dithioerythritol, dithiothreitol, trisubstituted organophosphorus compounds and trisubstituted organophosphorus compound salts. The method has the advantages of simplicity in operation, high product purity, good economy, and suitableness for industrial production.

Interior aircraft components comprise a thermoplastic composition comprising: a first polymer comprising bisphenol A carbonate units and monoaryl arylate units, or a second polymer comprising bisphenol A carbonate units, monoaryl arylate units, and siloxane units, or a combination comprising at least one of the foregoing polymers; and an organophosphorus compound; wherein a sample of the thermoplastic composition has: an OSU integrated 2 minute heat release test value of less than 65 kW-min / m2 and a peak heat release rate of less than 65 kW / m2, an E662 smoke test DsMax value of less than 200, a flame time of less than 15 seconds, a burn length of less than 6 inches, and a drip extinguishing time of less than 5 seconds, an energy in multiaxial impact of 100 J or more and a ductility in multiaxial impact of 100%.

Disclosed are flame retardant resinous compositions comprising (i) at least one aromatic polycarbonate, (ii) at least one a rubber modified graft copolymer, (iii) at least one silyl borate ester, (iv) at least one organophosphorus compound, and (v) at least one fluoropolymer additive. The compositions exhibit improved surface properties in molded parts.

The invention provides a catalyst component for olefin polymerization and a preparation method and application thereof. The catalyst contains the reaction product of at least one type of organomagnesium compound, at least one type of liquid titaniferous compound, at least one type of hydroxyl compound, at least one type of chloric organophosphorus compound and at least one type of formation-assisting precipitation agent, and the formation-assisting precipitation agent is polystyrene block polybutadiene polymer. The prepared catalyst has good hydrogen-regulating performance and good particle morphology and distribution, which is more favorable for the application of the catalyst in polymerization process apparatuses of gaseous phase, slurry and the like.

The present invention relates to a thermoplastic resin comprising 100 parts by weight of a resin mixture comprising 30 to 95% by weight of a polycarbonate resin (a), 5 to 70% by weight of a polystyrene resin (b), 0.5 to 20 parts by weight of a specific block copolymer (c) and, if necessary, 0.1 to 20 parts by weight of a polyalkylene terephthalate (d), and / or 0.1 to 20 parts by weight of a polyphenylene ether resin (e), and a flame-retardant thermoplastic resin composition prepared by blending the above composition with 1 to 40 parts by weight of an organophosphorus compound (f) and, if necessary, 0.05 to 5 parts by weight of a fluoroethylene polymer (g).

Disclosed are flame retardant resinous compositions comprising (i) at least one aromatic polycarbonate, (ii) at least one a rubber modified graft copolymer, (iii) at least one silyl borate ester, (iv) at least one organophosphorus compound, and (v) at least one fluoropolymer additive. The compositions exhibit improved surface properties in molded parts.

A nontoxic deicing / anti-icing fluid includes a freezing point depressant selected from short chain polyols having 3 to 5 carbons atoms, and mixtures thereof, a wetting agent, an antioxidant / preservative, and water. The fluid has an LD50 greater than about 10,000 mg / L. Another deicing / anti-icing fluid includes the freezing point depressant, a vinylpyrrolidone polymer having a molecular weight between about 10,000 and about 700,000, and water. A runway deicing fluid includes glycerol, a buffer, an antioxidant / preservative, and water. Another deicing / anti-icing fluid includes a freezing point depressant having hydrophobic character, a wetting agent comprising an organophosphorus compound capable of producing an organic wettable surface, and water.

The invention relates to an efficient olefin polymerization catalyst and a preparation method and application thereof, belonging to the field of olefin polymerization. A main catalyst of the olefin polymerization catalyst is made from a magnesium halide support, a transition metal halide, monohydric alcohol with less than 5 carbon atoms, alcohol with more than 5 carbon atoms, an organosilicon compound, an organophosphorus compound and an organoboron compound, wherein the mole ratio of magnesium halide to the transition metal halide to monohydric alcohol with less than 5 carbon atoms to alcohol with more than 5 carbon atoms to the organosilicon compound to the organophosphorus compound to the organoboron compound is 1: (1-40): (0.01-5): (0.01-10): (0.01-10): (0.01-5): (0.01-5); a cocatalyst of the olefin polymerization catalyst is an organoaluminum compound. Particles of the catalyst disclosed by the invention are good in morphology, are spherical and are not adhered to the wall of a container; the catalyst is high in activity and good in hydrogen regulation performance, the melt index MFR (Melt Flow Rate) of polyethylene is adjustable in the range of 0.1g / 10min to 600g / 10min, and the bulk density of polyethylene particles is high, so that the catalyst is applicable to slurry-method polymerization, loop-tube polymerization, gas-phase method polymerization or combined polymerization processes.

The invention relates to a process for preparing disodium hydrogen phosphate from a glyphosate mother liquor. The process comprises an oxidization step, a crystallization step and a separation step, wherein the oxidization step comprises oxidizing organic phosphorus compounds and phosphorous acid in the glyphosate mother liquor wastewater into positive phosphate ions under the reaction conditions of a temperature ranging from 240 to 320 DEG C and pressure ranging from 6.0 to 15.0 Mpa by taking the oxygen in the air as an oxidizing agent, wherein the oxygen supply amount is 0.7 to 1.3 times of the total amount of COD (Chemical Oxygen Demand) of the glyphosate mother liquor; the crystallization step comprises cooling the oxidized liquid obtained in the oxidization step to the range from minus 5 to 12 DEG C and generating solid-state disodium hydrogen phosphate dodecahydrate crystals under the condition that pH ranges from 7.0 to 10.5; the separation step comprises performing solid-liquid separation on the oxidized liquid crystallized in the crystallization step.

The invention discloses a surface imprinted polymer for catalyzing degradation of an organophosphorus pesticide and a preparation method thereof and relates to the field of surface imprinted polymers. The preparation method comprises the following steps of: preparing polystyrene seeds by a soap-free emulsion method; preparing polystyrene microspheres with particle diameter of 2 to 6 microns by a fractional swelling method; and bonding a chain transfer agent on the surfaces of the polystyrene microspheres. The preparation method comprises the main steps of: performing chloride acetylation on the microspheres with chloroacetic chloride, then aminating with ethydene diamine and then bonding the chain transfer agent with an amino; adding a template molecule under a proper solvent and performing graft polymerization on an amino acid derivative functional monomer and a cross-linking agent on the surfaces of the microspheres to form the needed polymer carrier surface template imprinted microspheres. The surface imprinted polymer with catalyzing, degrading and purifying functions on an organophosphorus compound is synthesized by taking an organophosphorus compound catalyzing and degradingreaction substrate as the template and organically combining the high-crosslinking degree insoluable porous polymeric microspheres with the template imprinting technology through a surface controllable graft hydrogel.

The invention comprises an adhesion promoter for a printing ink and a printing ink comprising the adhesion promoter. The adhesion promoter comprises the product of (a) mixing together a solution of a polymer or synthetic resin with an organophosphorus compound, and then (b) mixing the mixture formed in (a) with a titanium compound selected from a titanium halide, alkoxide, halo-alkoxide or a condensed titanium alkoxide or a mixture of more than one of these titanium compounds.