488 results about "Formamide" patented technology

The present invention relates to the field of pesticide herbicides, and specifically relates to a 3-phenylisoxazoline-5-carboxamide compound as represented by general formula (I), a stereoisomer thereof, an agriculturally acceptable salt thereof, a preparation method therefor, an herbicidal composition and the use thereof in the field of plant protection. X1, X2, X3, R1, Z and G are as defined herein.

Herbicidally active 3-phenylisoxazoline-5-carboxamides of cyclopentenylcarboxylic acid derivativesThe invention relates to 3-phenylisoxazoline-5-carboxamides of cyclopentenylcarboxylic acid derivatives of the general formula (I) and their agrochemically acceptable saltsand to their use in the crop protection sector.

The invention discloses a high-weatherability sound insulation wood plastic wallboard and a preparation method thereof, the high-weatherability sound insulation wood plastic wallboard comprises the following raw materials by weight: 30-40 parts of wood flour or plant fiber, 25-35 parts of a sound insulation functional filler, 35-45 parts of high density polyethylene, 2-2.5 parts of maleic anhydride grafted high density polyethylene, 1-1.5 parts of stearic acid, 3-4.5 parts of a weatherability auxiliary agent, and 1-1.5 parts of azodicarbonamide. The problems of cracking, deformation and the like caused by moisture absorption expansion are relieved by optimizing the proportion and compatibility of the wood flour and the plastic, and then the problems of weather resistance and sound insulation of the wallboard outdoors are solved by filling the porous sound absorption material.

The invention belongs to the technical field of ETFE film preparation, and particularly relates to a preparation method of a high-strength ETFE film. The preparation method of the ETFE film comprises the following steps: preparing a mixture of modified nano cellulose and calcium magnesium silicate whiskers; carrying out modification treatment on the poly (p-benzamide) fiber; and preparing the ETFE film. According to the preparation method of the high-strength ETFE film, the perfluoroalkoxy copolymer and the ETFE resin are selected and mixed for use, during melt extrusion, the perfluoroalkoxy copolymer can lubricate the ETFE and reduce the overall melt viscosity, the critical shear rate of the perfluoroalkoxy copolymer is higher than that of the ETFE, melt fracture can be inhibited, the film is evenly extruded, the flatness of the film surface is improved, and the high-strength ETFE film is prepared. And meanwhile, the elastic retraction of the ETFE is inhibited during high-temperature setting. And the modified nano cellulose and calcium magnesium silicate whisker mixture and the modified poly-p-benzamide fiber are added to enhance the mechanical strength of the prepared ETFE film.

The invention relates to the technical field of jet mills, in particular to a jet mill for azodicarbonamide production, which comprises a base, the upper end of the base is fixedly connected with a top plate, the upper surface of the top plate is fixedly connected with a stock bin, and the lower end of the stock bin is fixedly connected with a spiral feeder body. The spiral feeder body is fixedly connected to the lower surface of the top plate, the interior of the base is fixedly connected with a high-pressure air inlet machine body, the upper end of the base is fixedly connected with a smashing device, and the smashing device comprises a sealing bin. According to the invention, through slow and uniform rotation of the air pipe and the high-pressure nozzles, material particles are in the crushing chamber, because high-speed air flows ejected by the plurality of high-pressure nozzles converge, and the material particles violently collide with each other at the intersection, the impact force generated by the collision is enough to crush the material particles, and finally the material particles enter the classifier body; and then the powder is discharged from the discharge port and enters the next process, so that the crushing efficiency is improved.

The invention belongs to the technical field of sole materials, and particularly relates to a quick-rebound fatigue-resistant sole foaming composite material and a preparation method thereof. According to the invention, the alpha-olefin ethylene copolymer and the modified ethylene-vinyl alcohol copolymer are mixed in an internal mixer, and hydroxyl groups of the modified ethylene-vinyl alcohol copolymer and the alpha-olefin ethylene copolymer form a hydrogen bond cross-linked network under the action of high-temperature shearing; a blend obtained through mixing, high-branching-degree polyolefin, modified nano-zinc oxide I and an auxiliary agent are added into a double-screw extruder for extrusion, the modified nano-zinc oxide is embedded into branching points of the high-branching-degree polyolefin, molecular chain slippage is limited through a pinning effect, the fatigue life of the composite material is prolonged, and the composite material is suitable for large-scale production. The preparation method comprises the following steps: preparing a foaming material, mixing the foaming material with azodicarbonamide, an antioxidant 1010 and the like, injecting the mixture into a supercritical device, effectively improving the density gradient, rebound resilience and mechanical properties through segmented pressure relief, and finally performing hot-pressing shaping to form the quick-rebound fatigue-resistant sole foaming composite material.

There is provided an alkali metal salt of 4-chloro-N-[2-[(4-chlorophenyl)methyl]-3-oxo-1,2,4-thiadiazol-5-yl]benzamide and formulations thereof. This salt finds particular utility in the treatment or prevention of a disorder or condition ameliorated by the activation of AMPK.

The invention discloses a bacteriostatic plastic packaging material and a preparation method thereof, and relates to the technical field of packaging materials, the packaging material is prepared from the following components by weight: 90-120 parts of plastic resin, 10-20 parts of maleic anhydride grafted polyethylene, 5-15 parts of poly-p-benzamide fiber, 4-12 parts of modified titanium dioxide, 3-10 parts of polyvinyl alcohol, 1-3 parts of a coupling agent, 1-3 parts of a lubricant, and 1-3 parts of a plasticizer. The prepared packaging material combines the photocatalytic antibacterial property of the modified titanium dioxide, the toughening effect of the poly-p-benzamide fiber and the synergistic effect of all functional aids, and has excellent antibacterial property, mechanical property and processability.

There is provided an alkali metal salt of 4-chloro-N-[2-[(4-chlorophenyl)methyl]-3-oxo-1,2,4-thiadiazol-5-yl]benzamide and formulations thereof. This salt finds particular utility in the treatment or prevention of a disorder or condition ameliorated by the activation of AMPK.

The invention discloses a Ni3InC0.5 wave-absorbing material and a preparation method thereof, and the preparation method comprises the following steps: (1) dispersing Ni (CH3COO) 2.4 H2O and In (CH3COO) 2.6 H2O into N, N-dimethylformamide (DMF), and magnetically stirring to obtain a liquid A; (2) dispersing terephthalic acid (PTA) and triethylamine (TEA) into DMF, and magnetically stirring to obtain liquid B; (3) pouring the liquid B into the liquid A, and continuously stirring to obtain a Ni3InC0.5 precursor solution; (4) putting the solution obtained in the step (3) into a circulating water suction filter for suction filtration to obtain a gelatinous sample; and (5) taking a sample obtained in the step (4), calcining the sample in a nitrogen atmosphere, and naturally cooling the sample to room temperature to obtain Ni3InC0.5. The method has the characteristics of simple process and low cost, and the material is applied to the field of wave absorption for the first time.

The invention relates to the technical field of plastic materials, in particular to a high-strength modified plastic product and a preparation process thereof. The preparation method comprises the following steps: uniformly mixing modified carbon fibers, a flame retardant, a photoinitiator and N, N-dimethylformamide, and performing ultraviolet irradiation, washing and drying to obtain a compound; uniformly mixing polyphthalamide, the compound, polyethylene wax, an antioxidant and a nucleating agent to obtain a blend; and carrying out melt extrusion, granulation and injection molding on the blend in a twin-screw extruder to obtain the modified plastic product. The modified plastic product prepared by the invention not only has excellent mechanical properties, but also has excellent flame retardance, and the use safety and durability of the modified plastic product are effectively improved.

The present invention provides a pharmaceutical composition containing Compound 1, which has excellent disintegrability and bioavailability. The present invention relates to a pharmaceutical composition comprising: a granulated material containing 3-ethyl-4-{4-[4-(1-methyl-1H-pyrazol-4-yl)-1H-imidazol-1-yl]-3-(propan-2-yl)-1H-pyrazolo [3, 4-b] pyridin-1-yl} benzamide or a pharmaceutically acceptable salt thereof, and a crystalline cellulose, the granulated material being characterized in that: the granulated material contains a compound represented by general formula (1); the pharmaceutical composition has a disintegration time within 360 seconds in a coated tablet state.

The invention discloses a compound mosquito larvae killing composition and application thereof. The compound mosquito larvae killing composition comprises 1% to 5% of active ingredients, 0% to 5% of liquid original drug adsorbent, and 2% to 8% of slow-release coating agent (including 1% to 4% of active ingredients A and active ingredients B, wherein the active ingredient A is a piperic acid derivative compound, and the active ingredient B is selected from any one of pyriproxyfen, fenthion, dimethoate, fenoxycarb, S-methoprene, dinotefuran, thiamethoxam, acetamiprid, imidacloprid, nitenpyram, cyantraniliprole, and chlorantraniliprole. The active ingredients A and B are compounded and processed into granules for mosquito larvae control, and the granules have good lethal effect, long lasting effect, slow-release effect, and reduced labor cost; the compound mosquito larvae killing composition can be widely used in sewage ditches, sewers, and other places, and has special effects on mosquito larvae control.

The invention provides a concrete water reducing agent and a preparation method thereof, and belongs to the technical field of water reducing agents. Adding the modified chitin, 1-vinyl-3-butylimidazolium trifluoromethanesulfonate, a silane coupling agent with double bonds, methacrylic acid, trans-butenedioic acid and an initiator into dimethylformamide, heating and stirring for reaction, removing methylbenzene under reduced pressure, and performing alkali washing and alcohol washing to obtain the concrete water reducing agent. The modified chitin is prepared by modifying chitin modified by sodium sulfonate and acrylic acid with tannic acid. Modified chitin, 1-vinyl-3-butylimidazolium trifluoromethanesulfonate, a silane coupling agent with double bonds, methacrylic acid and trans-butenedioic acid are copolymerized to prepare the polycarboxylate superplasticizer, molecules of the polycarboxylate superplasticizer are of a comb-shaped structure, a main chain of the polycarboxylate superplasticizer is provided with a plurality of active groups with high polarity, and a side chain of the polycarboxylate superplasticizer is provided with hydrophilic active groups. The water-reducing agent has the characteristics of low doping amount, high water-reducing rate, high reinforcing effect, high plasticity retaining property and volume stability, and has wide application prospects.

The invention relates to the technical field of pesticides, in particular to a chlorantraniliprole synergistic suspending agent. According to the synergistic suspending agent, a chlorantraniliprole active compound, a chlorantraniliprole active compound, a four-arm star-shaped ethyl methacrylate polymer and organic silicon graft modified acrylic acid cardanol polyoxyethylene ether which are loaded by a porous carbon material serving as a carrier are taken as main raw materials; the porous carbon material provided by the invention has relatively high adsorbability and adsorption capacity on chlorantraniliprole raw medicine, can effectively prolong the lasting time of the chlorantraniliprole synergistic suspending agent, and is compounded with the four-arm star-shaped ethyl methacrylate polymer and the organic silicon grafted and modified acrylic cardanol polyoxyethylene ether, so that the synergistic effect of the suspending agent is improved. The chlorantraniliprole active compound released in the porous carbon material and the particle size of the chlorantraniliprole active compound can be remarkably nanocrystallized, so that the systemic property of the chlorantraniliprole active compound is improved, the chlorantraniliprole active compound can be absorbed by crops to the maximum extent, the insecticidal effect is finally improved, and the application prospect is wide.

The invention discloses an anti-aging and anti-yellowing foaming polyester material and a preparation method thereof, and relates to the technical field of polyester materials. The anti-aging and yellowing-resistant foamed polyester material is prepared from the following raw material components in parts by weight: 3 to 5 parts of anti-ultraviolet SEBS (Styrene-Ethylene-Butylene-Styrene), 3.6 to 7 parts of triethylamine, 4 to 6 parts of flame-retardant and wear-resistant filler, 100 parts of TPEE (Thermoplastic Polyether Ester Ether), 0.9 to 1.1 parts of polymer wax and 0.6 to 0.8 part of foaming agent, the anti-ultraviolet SEBS is obtained by copolymerizing and grafting an unsaturated benzophenone ultraviolet absorbent, SEBS and maleic anhydride; the flame-retardant and wear-resistant filler is obtained by mixing and reacting carboxylated nano silicon dioxide, pentaerythritol and phosphorus oxychloride; the polymer wax adopts EVA (Ethylene Vinyl Acetate) wax; azodicarbonamide is adopted as the foaming agent; the anti-aging and anti-yellowing foaming polyester material disclosed by the invention is relatively good in mechanical property, anti-aging property, flame retardant property and compression resistance.

The invention relates to the technical field of macromolecular polyethylene foam materials, and discloses a chemical foaming agent as well as a preparation method and application thereof. The chemical foaming agent contains azodicarbonamide and ammonium dihydrogen phosphate, and on the basis of the total weight of the chemical foaming agent, the content of the azodicarbonamide is 10-40 wt%, and the content of the ammonium dihydrogen phosphate is 60-90 wt%. According to the chemical foaming agent, the thermal decomposition initial temperature of azodicarbonamide is promoted to be reduced through ammonium dihydrogen phosphate, the decomposition process is controllable, foam pore distribution is more uniform, and foaming gas released in the polyethylene rotational molding foaming forming process is mainly CO2, so that the chemical foaming agent is more environment-friendly and energy-saving when being used in the polyethylene rotational molding foaming forming process.

A method of remediating wastewater is provided, the method comprising substantially submersing an electrocatalytic reactor in wastewater, the electrocatalytic reactor including an anode, which is mesh and defines a first bore, a filter layer, which is porous glass, carbon fiber or poly-paraphenylene terephthalamide, the filter layer including fibers and interstitial spaces between the fibers, an iron-doped titanium dioxide film on the fibers, the film including a surface that is substantially iron oxide free, the filter layer housed within the first bore and defining a second bore, a cathode, which is housed within the second bore, is mesh and defines an inner bore, and a perforated air tube housed within the inner bore; and providing at least a voltage of at least about 3 volts to the electrocatalytic reactor, in the absence of a light source, thereby remediating wastewater.

The invention relates to the technical field of shoe materials, in particular to a bio-based EVA-containing composite shoe material and a preparation method thereof, and the bio-based EVA-containing composite shoe material is prepared from the following raw materials in parts by weight: a bio-based EVA polymer, bio-based TPU, a cross-linking agent, a compatilizer, a nucleating agent, filler, a foaming agent, a plasticizer, a flexible component, a biodegradation accelerant, a non-polyolefin elastomer and maleic anhydride grafted polyethylene wax. Wherein the compatilizer can be ethylene-vinyl alcohol and the like; the nucleating agent can be nanoscale talcum powder and the like; the filler can be ethyl cellulose and the like; the foaming agent is an azodicarbonamide foaming agent; the biodegradation accelerant is prepared from immobilized lipase, a tannic acid-Fe < 3 + > complex and surface carboxylated TiO2. The preparation method comprises two steps of mixing granulation and supercritical foaming. The composite shoe material provided by the invention has good biodegradability, can reduce environmental pollution, and maintains excellent physical and mechanical properties at the same time.

The invention belongs to the field of medicine, health and health, and particularly relates to a preparation method for controllably synthesizing polysulfonic acid mucopolysaccharide with different molecular weights, which comprises the following steps: reaction, acid-base neutralization, formamide removal by alcohol precipitation, desalting and freeze-drying. Wherein the reaction process comprises the following steps: adding sodium chondroitin sulfate and a pyridine sulfur trioxide complex into a mixed solvent of N, N-dimethylformamide and dimethyl sulfoxide, and heating for reaction to obtain a reaction mixture; the volume fraction of the dimethyl sulfoxide in the mixed solvent is 0-80%. According to the method, the low-price pyridine sulfur trioxide complex (about 150 yuan / 500g) is used, and the ratio of N, N-dimethylformamide to dimethyl sulfoxide in the mixed solvent is adjusted, so that the solubility of the chondroitin sulfate sodium and the pyridine sulfur trioxide complex is changed, and the polysulfonic acid mucopolysaccharide with molecular weights in different ranges can be regulated and generated.

The invention discloses sustained-release granules containing clothianidin and chlorantraniliprole as well as a preparation method and application of the sustained-release granules, and relates to the field of pesticides, the sustained-release granules comprise clothianidin mother liquor and chlorantraniliprole mother powder; wherein the granules are prepared by mixing chlorantraniliprole mother powder and clothianidin mother liquor according to the weight ratio of 1: (0.1-0.25), and the clothianidin mother liquor comprises the following components in parts by weight: 0.1-10 parts of clothianidin, 0.1-10 parts of an organic solvent, 0.1-10 parts of urea resin and the like; the chlorantraniliprole mother powder comprises the following components in parts by weight: 0.1-10 parts of chlorantraniliprole, 1-20 parts of humic acid fertilizer and the like. According to the clothianidin-chlorantraniliprole sustained-release granules prepared by combining specific types of urea-formaldehyde resin and the acid solution, the problems that clothianidin is easily dissolved in water in soil and runs away along with the water body, and the long-acting effect and the control effect are greatly reduced are solved.

This article describes a new and efficient method for synthesizing 2-amino-5-chloro-N,3-dimethylbenzamide. The compounds prepared by the methods disclosed herein can be used to prepare certain anthranilamide compounds that are of interest as insecticides, such as the insecticides chlorantraniliprole and cyantraniliprole.

The invention relates to the technical field of sound insulation materials, in particular to flame-retardant epoxy resin composite diatomite sound insulation cotton and a preparation method thereof. The flame-retardant epoxy resin composite diatomite sound insulation cotton is prepared from epoxy resin, diatomite, a composite flame retardant, a coupling agent, a curing agent, a diluent, a foaming agent and a charring agent. The composite flame retardant at least comprises ammonium polyphosphate and melamine; the coupling agent is a silane coupling agent or a titanate coupling agent; the curing agent is methyl tetrahydrophthalic anhydride; the diluent is n-butyl glycidyl ether; the foaming agent is azodicarbonamide; the charring agent is pentaerythritol. By optimizing the diatomite modification process and combining physical dispersion and chemical modification means, the compatibility of the diatomite and the epoxy resin is greatly improved, the pain point of filler agglomeration in the traditional process is thoroughly solved, the porous sound insulation potential of the diatomite is fully released, and the sound absorption and sound insulation performance of the material is qualitatively improved.

The invention relates to the technical field of foaming materials, in particular to a high-damping EVA / EPDM composite foaming material and a preparation method thereof. The high-damping EVA / EPDM composite foam material is prepared from the following raw materials in parts by weight: 150 to 80 parts of ethylene-vinyl acetate copolymer, 20 to 50 parts of ethylene propylene diene monomer, 3 to 5 parts of azodicarbonamide, 1 to 3 parts of dicumyl peroxide, 10 to 12 parts of compound filler, 6 to 10 parts of maleic anhydride grafted ethylene-octylene copolymer, 2 to 4 parts of hydroxyl-terminated polybutadiene and 1 to 4 parts of triallyl isocyanurate, the compound filler is formed by compounding silicon dioxide microspheres, graphene aerogel microspheres and modified barium titanate nanoparticles according to the mass ratio of 1: (1.5-1.7): (1.5-1.8); the high-damping EVA / EPDM composite foam material prepared by the invention not only has better high-damping and low-resilience properties, but also has excellent tensile strength, and the quality of the high-damping EVA / EPDM composite foam material is effectively ensured.

The present application relates to the technical field of resin preparation, and relates to a preparation method of an anticoagulant superabsorbent resin, which comprises the following steps: combining hydrolyzed tannic acid and nanocellulose through an oxidative coupling reaction, loading citric acid to obtain an anticoagulant compound; dissolving acrylic acid, sulfonated lignin, the anticoagulant compound, polylactic acid-diacrylate, azodicarboxamide, nanosilica and a photoinitiator in water to obtain a mixed solution; injecting the mixed solution into a microchannel reactor to perform a polymerization reaction under irradiation of pulsed ultraviolet light, so as to obtain a superabsorbent resin gel; immersing the superabsorbent resin gel in a polylactic acid-diacrylate solution, performing surface crosslinking through ultraviolet light irradiation, drying and grinding, so as to obtain anticoagulant superabsorbent resin particles; and the present application can inhibit platelet aggregation, delay the start of the coagulation cascade reaction, block the activation of coagulation factors, effectively prolong the blood clotting time, and provide a more sufficient liquid absorption window for the superabsorbent resin.

The invention discloses a method for detecting related substances in imaric acid dihydrochloride by HPLC (High Performance Liquid Chromatography), and belongs to the technical field of chemical engineering and pharmacy, the related substances in the imaric acid dihydrochloride are detected by high performance liquid chromatography, a phosphate buffer solution (0.05 mol / L of monopotassium phosphate solution, and pH adjusted to 2.5 by phosphoric acid) is used as a mobile phase A, acetonitrile is used as a mobile phase B, gradient elution is carried out, the flow rate is 1.0 ml / min, the detection wavelength is 250nm, and the detection wavelength is 250nm. The column temperature is 40 DEG C, and the detection wavelength is 235nm; the method can be used for effectively separating and quantitatively detecting imatamide, demethylated imaric acid dihydrochloride, ortho-imaric acid, meta-imaric acid, p-hydroxymethyl benzamide, an intermediate B, p-hydroxymethyl benzoic acid, an imaric acid dimer, p-cyanobenzyl alcohol, p-chloromethyl benzamide, p-toluic acid and p-chloromethyl benzoic acid in the imaric acid dihydrochloride. The method disclosed by the invention is simple and convenient to operate, strong in specificity, high in sensitivity and accuracy, good in linearity and capable of effectively controlling the quality of a p-imaric acid dihydrochloride product.

The present invention provides an amide compound containing isoxazoline, a preparation method and an application thereof, and belongs to the technical field of chemical industry and pesticide. The compound has the following structure:; Its chemical name is 4-(5-(3-chloro-5-trifluoromethylphenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-2-methyl- N ‑(2‑oxo‑2‑(2,2,2‑trifluoroethylamino)ethyl)benzamide. The compound can be used as the main active ingredient of a pesticide composition, and can be used as an insecticide for controlling crop pests and / or mites, and a repellent for repelling crop pests. The present invention discloses a novel amide compound containing an isoxazoline structure. Compared with flurellana, the 5th position of the benzene ring is changed from chlorine to trifluoromethyl, and the activity thereof is increased by 40% to 50%, thereby increasing the toxicity intensity of targeted pest control.

The invention belongs to the technical field of pesticide disinfestation, and discloses an insecticidal composition and application thereof, the insecticidal composition comprises an active component A and an active component B, the active ingredient A is a compound as shown in a formula I: # imgabs0; the active ingredient B is any one of tetratolfenpyrad, cyclaniliprole, cyantraniliprole, fluchlorantraniliprole, chlorantraniliprole and flubendiamide; the active ingredient A is a compound as shown in a formula I: # imgabs0; the active ingredient B is any one of tetratolfenpyrad, cyclaniliprole, cyantraniliprole, flubendiamide and flubendiamide; the mass ratio of the active component A to the active component B is (1: 45)-(45: 1). According to the insecticidal composition disclosed by the invention, compounds with different action mechanisms are reasonably compounded, so that a synergistic effect is achieved, the pest control effect can be improved, the pesticide application amount is reduced, the use frequency is reduced, and the use cost is reduced.

The invention is suitable for the technical field of fine chemical engineering, and provides a synthesis method of sulpiride impurity 2-hydroxy-5-sulfanilamide benzamide, which comprises the following specific steps: Step 1, taking salicylic acid as a raw material, taking DMF as a catalyst, and carrying out acylation reaction with thionyl chloride to obtain acylation liquid, and entering the next process; 2, ammoniating the acylation liquid with ammonia water at a low temperature to obtain salicylic acid formamide, and drying to obtain an intermediate 1; 3, TMS-Cl is used for protecting phenolic hydroxyl groups, then chlorosulfonic acid is dropwise added, a chlorosulfonation reaction is carried out, and an intermediate 2 solution is obtained after the reaction is completed; and Step 4, dropwise adding the solution of the intermediate 2 into stronger ammonia water for reaction, carrying out suction filtration, and recrystallizing with ethanol to obtain the sulpiride impurity 2-hydroxy-5-sulfanilamide benzamide. The route synthesis is simple, and the quality can reach 95% or above; in addition, the method has the advantages of cheap and easily available raw materials, mild reaction conditions, low energy consumption, simple process structure, easy operation and the like.