131 results about "Pyrethroid" patented technology

The invention discloses an insect-repelling environment-friendly sand-containing fog sealing layer and a preparation method thereof. The insect-repelling environment-friendly sand-containing fog sealing layer comprises the following components in parts by mass: 35-70 parts of asphalt; 30 to 70 parts of water; 2-8 parts of a composite emulsifier; 0.5 to 3 parts of a defoaming agent; 5 to 30 parts of acrylic ester; 0.1 to 1 part of a photoinitiator; 20 to 40 parts of a suspending agent; 20 to 45 parts of fine sand particles; 5 to 40 parts of insect-repelling environment-friendly microcapsules; a shell material of the insect-repelling environment-friendly microcapsule is a composite shell material containing silicon dioxide / nano tourmaline, and a core material of the insect-repelling environment-friendly microcapsule comprises one or more of a pyrethroid compound, a carboxylic ester compound, an amide compound and a plant extract; a metal chelate is loaded on the surface of the shell material. The insect-repelling environment-friendly sand-containing fog sealing layer has good pavement performance and insect-repelling performance, and can effectively inhibit the amount of pollutants generated when an asphalt pavement is exposed to high temperature and solarization.

The invention discloses a compound sanitary insecticidal composition and application thereof, the effective components are an active component A and an active component B, the active component A is oxadiazon, the active component B is a piperic acid derivative compound, and the balance is an auxiliary agent. The weight ratio of the active component A to the active component B is (1: 20)-(20: 1), preferably (1: 5)-(5: 1), and the total weight of the active component A and the active component B accounts for 2-80% of the weight of the composition. The binary composition solves the problem of resistance of sanitary pests to pyrethroids, and has the characteristics of high efficiency, low toxicity, environmental friendliness and the like. The binary composition is suitable for preventing and treating indoor and outdoor sanitary pests including mosquitoes, flies, cockroaches, fleas, bugs, diplods and the like, and is suitable for families, restaurants, hotels, carriages, animal breeding places and the like.

An insect pest-controlling tool for animals is provided.The present invention provides an insect pest-controlling tool for animals comprising: at least one or more active ingredients selected from the group consisting of pyrethroid compounds, phenylpyrazole compounds, and macrolide compounds; and at least one solvent selected from the group consisting of diethylene glycol monoethyl ether, benzyl alcohol, ethyl lactate, and triglyceride of medium chain fatty acids. The container body is composed of an olefinic resin layer, an alicyclic olefinic resin layer, an olefinic resin layer, and a polyethylene terephthalate layer or an ethylene-vinyl alcohol copolymer layer. The olefinic resin layer is in contact with the agent.

The invention discloses an insect-repelling environment-friendly microcapsule, an insect-repelling environment-friendly asphalt additive and a preparation method of the insect-repelling environment-friendly microcapsule. A shell material of the insect-repelling environment-friendly microcapsule is a composite shell material containing silicon dioxide / nano tourmaline, and a core material of the insect-repelling environment-friendly microcapsule comprises one or more of a pyrethroid compound, a carboxylic ester compound, an amide compound and a plant extract; a metal chelate is loaded on the surface of the shell material. The insect-repelling environment-friendly microcapsule disclosed by the invention not only can efficiently and durably repel insects around a road, but also can effectively inhibit the amount of pollutants generated by the asphalt under the action of high temperature in the production, construction and pavement application processes, and provides a brand new idea for functional utilization of asphalt materials.

The invention relates to the technical field of compound preparation, in particular to chiral pyrethroid as well as a preparation method and application thereof. The structural general formula of the chiral pyrethroid is shown as a formula I or a formula II. The synthetic method has a wide substrate range, can successfully prepare a single configuration of a pyrethroid product and test the biological activity of the pyrethroid product, is simple and convenient to operate and high in yield, allows an optical pure isomer to reach 85% or more, prepares the pyrethroid product by a one-pot multi-step method, ensures the ee value and yield of the single configuration, and has a wide application prospect. The whole activity of the compound on plutella xylostella and spodoptera frugiperda is shown as 1R-cisgt; rac, cisgt; according to the present invention, the pyrethroid is a pyrethroid product, the 1S-cis is the low-efficiency body or the ineffective body of the pyrethroid product, and has wide application prospects in the academic field and the pesticide industry.

The invention belongs to the technical field of mosquito larva prevention and control, and particularly relates to a mosquito-killing spreading oil agent and a preparation method and application thereof.The mosquito-killing spreading oil agent is composed of nerolidol, eugenol, methyl oleate, surfactants OP-4 and OP-10 and oleic acid, the mass percent of methyl oleate is 85%, the mass percent of a mixed preparation prepared from the surfactants OP-4 and OP-10 according to the mass ratio of 1: 1 is 5%, and the mass percent of oleic acid is 5%. The mosquito larva killing rate of the film spreading oil agent product within 60 minutes is 100%. Under the same condition, the effect of the insecticidal composition is better than that of pyrethrin, and the insecticidal speed is higher. The film spreading oil agent can reduce the chemical pesticide resistance of deet, and also can achieve the effects of environmental protection and efficient killing of mosquito larvae.

The present invention relates to solid compositions comprising combinations of conventional insecticides selected from the group consisting of: neonicotinoids, pyrethroids, macrolides, spinosyns, oxadiazines, isoxazolines, sulfoxaflor, flupyradifurone, indoxacarb, and hydramethylnon, and insect growth regulators for the control of pests and the protection of livestock premises from these pests.

The present application relates to a multi-temperature zone mosquito prevention and control tablet, including a tablet substrate; a middle portion of the tablet substrate is provided with a first drug zone, and two sides of the tablet substrate are provided with a second drug zone; the first drug zone is filled with pyrethroid, and the second drug zone is filled with a repellent drug; and the repellent drug includes picaridin, dimethyl phthalate, methyl nonyl ketone, and diethylmethylbenzamide. The present application may diffuse different repellent drugs in combination, to achieve the composite mosquito prevention and control effect; and in addition, the present application only needs to heat the first drug zone and does not increase the energy consumption of an electric mosquito killer used in combination.

The invention belongs to the technical field of agricultural environment protection, discloses an agricultural plant pesticide residue degradation preparation based on laccase, lipase and catalase and a preparation method thereof, and belongs to the technical field of agricultural environment protection. The degradation preparation comprises the following components in percentage by mass: 0.5-3% of laccase, 0.3-2.5% of lipase, 0.2-2% of catalase, 1-5% of a stabilizer, 5-15% of a buffer agent and the balance of water, the stabilizer is one or a combination of more of sodium alginate, chitosan and glycerol, and the buffer agent is one of three buffer solutions of a disodium hydrogen phosphate-sodium dihydrogen phosphate buffer solution. The preparation method comprises the following steps: weighing raw materials, preparing a buffer solution, dissolving a stabilizer, adding enzyme, stirring and mixing, carrying out temperature-controlled reaction, filtering and sterilizing and the like. According to the preparation, through the synergistic effect of the three enzymes, various pesticide residues such as organic phosphorus, organic chlorine and pyrethroids can be efficiently degraded, the stabilizer protects the enzyme activity, the buffering agent maintains the proper pH value, the preparation method is simple and environmentally friendly, and the quality safety of agricultural products can be effectively guaranteed.

The molecular detection method for the pyrethroid drug resistance of the odontothrips bubali comprises the following contents: a sodium ion channel alpha subunit of the odontothrips bubali has G533S and V538I double mutation sites, and the nucleotide sequence of the sodium ion channel alpha subunit of the odontothrips bubali is shown as SEQ ID NO: 1; the mutation site at the 533rd amino acid part of the sodium ion channel alpha subunit is GGC mutated into AGC, glycine Gly at the 533rd position is changed into serine Ser, the mutation site at the 538th amino acid part of the sodium ion channel alpha subunit is GTC mutated into ATC, and valine Val at the 538th position is changed into isoleucine Ile; the method comprises the following steps: extracting DNA (Deoxyribonucleic Acid), carrying out PCR (Polymerase Chain Reaction) amplification, sequencing a PCR product if a 382bp band appears in agarose gel electrophoresis of the PCR product, comparing sequences obtained by sequencing, and if double mutation appears, determining that the thrips are pyrethroid drug resistant thrips. The method is high in accuracy, low in detection condition requirement, short in time consumption and few in required insect source.

The invention discloses an insecticide mother liquor and application thereof. The insecticide mother liquor is prepared by taking efficient pyrethroid as shown in a formula I as an active ingredient; the mother liquor can be processed into mosquito-repellent incense, fly incense, electrothermal mosquito-repellent incense liquid, electrothermal mosquito-repellent incense pieces, aerosol, mothproof tablets or mosquito-repellent nets, and is used for preventing and treating mosquitoes, flies, German cockroaches, American cockroaches, bugs, ants, fleas, bees and other sanitary pests. According to the insecticide mother liquor, the usage amount of an organic solvent can be reduced, the environment is protected, and meanwhile the purposes of increasing efficiency and reducing application are achieved; on the other hand, the mother liquor can be diluted in different proportions by using a solvent and then processed into corresponding dosage forms, so that the use is convenient. # imgabs0 #

The invention discloses a plant-source electric mosquito liquid for cats, which belongs to the field of pet health care and comprises the following components in percentage by mass: 0.1 to 3.0 percent of plant essential oil, 0.02 to 1.0 percent of antioxidant and 96 to 99.88 percent of solvent. According to the invention, the plant essential oil which is safe and harmless to cats and people is adopted to replace pyrethrin which is common in the market and is used as an effective mosquito-repelling component, and the mosquito-repelling component is slowly released by heating, so that the mosquito-repelling effect is ensured, meanwhile, adverse effects on the health of cats are avoided, and the use method is simpler and more convenient.

Disclosed are a pyrethroid compound containing a cyano group and a double bond, a synthesis method therefor and an application thereof. In the synthesis method, t-butyl 3-formyl-2,2-dimethyl-cyclopropanoate and cyanomethyl phosphonate are used as raw materials, undergo Witting-Horner reaction, undergo column chromatography to obtain t-butyl (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoate ester, undergo deprotection to obtain (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoic acid, undergo acyl chlorination reaction to produce (Z)-3-(2-cyanovinyl)-2,2-dimethyl-cyclopropanoyl chloride, and are esterified with corresponding alcohol to obtain the pyrethroid compound. The compound can be used as an insecticide against pests such as mosquitoes, flies, German cockroaches and the like.

Disclosed is a composite multi-effect mosquito prevention and control apparatus, which is used in combination with a drug for mosquito prevention and control. The composite multi-effect mosquito prevention and control apparatus includes an apparatus housing, the apparatus housing is provided with a first heating zone and a second heating zone for heating the drug, and the drug is detachably installed in the first heating zone and the second heating zone; a first drug installed in the first heating zone contains pyrethroid, a second drug installed in the second heating zone contains a repellent agent, and the repellent agent contains one or more of picaridin, ethyl butylacetylaminopropionate, diethyltoluamide (DEET), and methyl nonylketone. The present application heats the drug containing different main acting agents according to its optimal working temperature by setting the first heating zone and the second heating zone with different temperature ranges.

The invention belongs to the field of chemistry and chemical engineering, and particularly relates to a novel method for synthesizing quizalofop-p-ethyl. The quizalofop-p-ethyl racemate reacts with a configuration conversion reagent, so that the quizalofop-p-ethyl racemate is efficiently converted into R-configuration quizalofop-p-ethyl. According to the method, the quizalofop-p-ethyl racemate is converted into quizalofop-p-ethyl with high optical purity under the action of the configuration conversion agent, the use of a high-optical-purity intermediate for synthesizing quizalofop-p-ethyl is avoided, so that the raw material cost can be greatly reduced, and meanwhile, for a quizalofop-p-ethyl product with insufficient optical purity, the yield of the quizalofop-p-ethyl is greatly improved. The optical purity can be improved by the method.

The present invention provides a repellent composition for pyrethroid-resistant bedbugs, the composition comprising 3,4-dimethoxybenzaldehyde as an active ingredient. The invention also provides a method for repelling pyrethroid-resistant bedbugs, the method comprising using the compound or the composition containing same, and uses of the compound or the composition containing same for use in repelling pyrethroid-resistant bedbugs.

The application relates to the technical field of fruit and vegetable processing, in particular to pesticide residue removing equipment for fruit and vegetable processing and a use method thereof, which comprises a cleaning frame, the inner side of the cleaning frame is fixedly connected with a cleaning mechanism, and the left and right sides of the top of the cleaning frame are fixedly connected with conveying devices. The pesticide residue on the surface of fruits and vegetables is efficiently removed through the cleaning frame, the cleaning mechanism and the conveying devices. The cleaning effect is obviously improved through the mechanical structure. The rotation of the cleaning roller and the shaking of the discharging inclined plate are matched, the fruits and vegetables are turned at multiple angles during the discharging process, the surfaces of the fruits and vegetables can be fully contacted with the cleaning roller, the surface-attached soil, dust and impurities are effectively removed, meanwhile, the turbulent effect generated by the stirring rod in the cleaning pool accelerates the falling of pesticide residues under the mechanical friction and water flow impact, and the pesticide residues such as pyrethroid on the surface of the fruits and vegetables are deeply removed.

The invention discloses an insecticide scavenger as well as a preparation method and application thereof, the scavenger MTSM is prepared by continuously modifying polyphenol tannic acid and locust cell membranes on mesoporous silicon, the preparation method is simple and efficient, and complex process conditions and procedures are not needed. The scavenging agent particles have a dual-mode scavenging function, and by means of pi-pi accumulation of the insecticide and TA and specific binding with acetylcholin esterase, nicotinic acetylcholine receptors or voltage-gated sodium channels on locust cell membranes, the removal effect on various insecticides such as organic phosphorus, pyrethroid and neonicotine is remarkably improved. Compared with particles which are not modified by locust cell membranes, the MTSM has the advantages that the non-specific removal of digestive enzymes in gastrointestinal tracts is obviously reduced, and the gastrointestinal functions of pollinating insects are favorably maintained. The scavenger disclosed by the invention is high in safety and convenient to prepare, can efficiently remove different insecticides in a broad-spectrum manner, has relatively large transformation potential in the aspect of detoxification of pollinating insects, and is expected to assist sustainable agricultural development.

The present invention belongs to the field of aquaculture technology and discloses a compound anthelmintic granule for aquaculture, a preparation method, and an application thereof. The compound anthelmintic granule is prepared from raw materials such as emamectin benzoate, flubendiamide, a surfactant, an antioxidant, a disintegrant, and a filler. The present invention selects emamectin benzoate and flubendiamide as active ingredients to kill crustacean parasites. Currently, there is no oral anthelmintic compounded with these two ingredients as active ingredients for aquaculture. Emamectin benzoate paralyzes the parasites and is metabolized slowly in the body. It is highly toxic to aquatic animals and is not suitable for large-scale or long-term use. Flubendiamide's main mechanism of action is to inhibit chitin synthesis, and although it has a slow onset of action, it is relatively safe for aquatic animals and is particularly effective against parasites resistant to organophosphorus and pyrethroids. Clinical verification has shown that the two compounds synergize and are far more effective in killing crustacean parasites than existing aquatic insecticides.

The application discloses a CTAB modified magnetic waste fungus chaff biochar adsorbent and a preparation method and application thereof in pyrethroid detection. 3+ , Fe 2+ and the fungus chaff biochar, adding an alkaline reagent to carry out a coprecipitation reaction to obtain a magnetic biochar precursor; S3, pyrolyzing the magnetic biochar precursor to obtain a magnetic biochar; S4, adding the magnetic biochar into a cetyltrimethylammonium bromide solution to carry out ultrasonic treatment, and carrying out magnetic separation to obtain an adsorbent MBC-CTAB. The application establishes a pyrethroid analysis method in water samples by taking the MBC-CTAB as the adsorbent, is favorable for utilization of the waste fungus matrix, and adopts a magnet to separate the sample solution and the MBC-CTAB, replaces complicated separation equipment, and realizes convenient and rapid separation.

The invention belongs to the field of mosquito prevention and killing, and particularly relates to a technology for killing mosquitoes by using a safe and non-toxic alkaline which does not contain pyrethroids and phosphorus. The preparation method comprises the following steps: mixing water, glycol stearate, tetrasodium glutamate diacetate, sodium hydroxide, fatty alcohol-polyoxyethylene ether and polydimethylsiloxane to obtain a mixed aqueous solution, standing, and filtering to obtain a final aqueous solution of the mosquito killer. Strict tests prove that the non-pyrethroid alkaline mosquito killer has a very high killing effect on static and flying mosquitoes by spraying an aqueous solution through a spraying can, is environment-friendly, particularly has no pollution to air when being used in a closed space, and is an ideal non-pyrethroid alkaline mosquito killer. The pyrethroid mosquitocide has a good killing effect on various mosquitoes, and another mosquito killing method except the pyrethroid mosquitocide is provided.

The present invention belongs to the technical field of insecticides and the manufacturing thereof, and in particular relates to a composition having a mosquito-repelling effect and a preparation method therefor. The composition is composed of a polyester fabric or non-woven fabric coated with a finishing liquid and a frame for fixing, wherein the finishing liquid comprises the following raw materials: pyrethroid, a co-solvent, an emulsifier, a thickening and stabilizing agent, an antioxidant, an ultraviolet absorber and water, the thickening and stabilizing agent being a mixture of sodium silicate, sodium carboxymethyl cellulose and polyvinylpyrrolidone. Hung in a well-ventilated environment, the composition of the present invention can, without any additional heat source, power supply or wind source, volatilize an insecticide into the air in a stable and long-lasting manner, thereby achieving a mosquito-repelling effect; moreover, the composition has long-lasting efficacy, providing a persistent mosquito-repelling effect for 60-100 days once opened.

The invention relates to a novel ternary insecticidal combination comprising: (i) an amount of pyriproxyfen, (ii) an amount of pyrethroid, and (iii) an amount of nicotinic acetylcholine receptor competitive (nAChR) modulator.

The invention belongs to the field of sanitary insecticides, and discloses a safe and environment-friendly insecticide and a preparation method thereof. The insecticide is prepared from the following components in parts by mass: 0.1 to 3 parts of pyrethroid, 0.1 to 2 parts of a synergist, 0.1 to 10 parts of an alkane solvent, 0.5 to 10 parts of fatty alcohol-polyoxyethylene ether, 0.1 to 5 parts of coconut oil diethanolamide, 0.1 to 1 part of ammonium benzoate, 50 to 70 parts of water, 1 to 10 parts of ethanol, 0.1 to 1 part of a de-foaming agent and 10 to 30 parts of tetrafluoroethane. According to the safe and environment-friendly insecticide, the solvent is mainly water, so that the greasy feeling easily left to passengers during use is eliminated; the production cost of water is low, and meanwhile, the dosage of the propellant is reduced, so that the cost is reduced; water is used as a main solvent, so that the risk of combustion after the product is used is reduced. The preparation method of the safe and environment-friendly insecticide, provided by the invention, is carried out through an oil-water two-phase proportioning process and a filling process, so that a large amount of foam is prevented from being generated in a reaction kettle.

This invention belongs to the field of water treatment technology, specifically relating to a method for the catalytic degradation of pesticide residues using nanoenzymes. The method utilizes a nanoenzyme material composed of a transition metal oxide and a carbon-based composite carrier, with a specific surface area of ​​200-500 m². 2 / g, with at least two of the metal elements iron, copper, and cobalt. Adding 0.1-1 g / L nanozyme and 0.1-5 mmol / L H₂O₂ to water degrades organophosphates, pyrethroids, or carbamate pesticides at pH 4-10 and 20-50℃. Material activity and stability are synergistically enhanced. Transition metal oxides form a chemically bonded interface with the carbon-based carrier, increasing the dispersion of active metals to over 85%. The equipment includes a permanent magnet array for nanozyme recovery and a PID temperature control unit. It achieves a degradation rate exceeding 90% in 60 minutes, retains 92% activity after 10 reuses, discharges no iron sludge, and reduces the cost per ton of water to 0.23 yuan.

The present invention belongs to the technical field of fillers for solid-phase extraction columns, and discloses a strongly polar solid-phase extraction column filler, a preparation method thereof and an application thereof. The method includes: Step S1, adding magnesium carbonate into water for dispersion and dissolution; adding a mixed solution of divinylbenzene, azobisisobutyronitrile, tetraethoxysilane, aviation kerosene and xylene, stirring and then raising the temperature to adjust the pH of the reaction system; supplementing azobisisobutyronitrile, and reacting to obtain seed balls; Step S2, adding an amphoteric ion surfactant into water for dispersion, adding sodium metasilicate pentahydrate, then adding the seed balls, adjusting the pH, and etching for 10-25 minutes; adding an aqueous magnesium sulfate solution to obtain the filler. The solid-phase extraction filler prepared by the present invention has adjustable particle size, a relatively large particle size, can be used for short-time sample loading of high-viscosity and large-volume samples, and has high recovery rates for some of the four major types of agricultural residues such as organophosphorus, organochlorine, pyrethroids and carbamates. The filler of the present invention has good stability, good reproducibility and is easy to produce in large quantities.

The present invention relates to a method for controlling creeping pests, in which a control composition containing a pyrethroid compound volatilizes, characterized in that the control composition volatilizes into a space, thereby controlling the creeping pests. The concentration of the pyrethroid compound in the gas in the space is maintained within the range of 1 [mu] g / m3 to 100 [mu] g / m3, and creeping pests are prevented from staying in the space.

To provide a spray for controlling indoor pests that can control wandering pests such as cockroaches.SOLUTION: A spray for controlling indoor Blattodean pests comprises pyrethrin as a pyrethroid compound, sorbitan fatty acid ester as a surfactant, water, and citral, wherein the weight of citral is 0.01 to 1 wt.% based on the total weight of the pyrethroid compound, surfactant, water, and citral, and the weight of water is 88 wt.% or more, and the spray is sprayed and applied to areas where the pests wander.SELECTED DRAWING: None

The invention discloses an organophosphorus pesticide broad-spectrum nucleic acid aptamer as well as acquisition and application thereof, and belongs to the technical field of food safety biology. According to the method, a common structure of the organophosphorus pesticide is simulated in a computer-aided manner, an initial library is constructed by utilizing a single-base mutation program, and a method which can be used for unbiased screening and can specifically recognize the broad-spectrum aptamer of the organophosphorus pesticide is developed. The obtained broad-spectrum aptamer M622-3 can specifically recognize a variety of organophosphorus pesticides, and has no obvious combination with other types of pesticides such as pyrethroids, carbamates and the like.

The application provides a resistant sanitary pest control composition containing indoxacarb and application thereof, relates to the technical field of resistant sanitary pest control, and more specifically, the resistant sanitary pest control composition is composed of active ingredient A, active ingredient B, a carrier, and adjuvants, wherein the active ingredient A is indoxacarb; the active ingredient B is R-tetrafluorobenzyl cyclopropane carboxylate pyrethroid, compared with the prior art, the application is synergistic through compounding, reduces resistance, improves the control effect on sanitary pests, especially resistant dipteran sanitary pests such as mosquitoes and flies, reduces the drug dosage, reduces the use frequency, and reduces the drug cost.