16 results about "Benzoylurea" patented technology

The invention discloses a preparation method and application of a near-infrared carbonized polymer dot aggregate, and relates to the technical field of composite material preparation. Comprising the following steps: assembling carbonized polymer dots (CPDs) in a hydrogen bond acceptor solvent to obtain a CPDs aggregate; the CPDs are prepared from citric acid and benzoylurea. The specific implementation method of the application in the preparation of the photo-thermoelectric conversion equipment comprises the following steps: blending the CPDs aggregate with a polymer to carry out hybridization reaction to obtain a photo-thermal conversion module; the photo-thermal conversion module is loaded on a semiconductor device to form photo-thermoelectric conversion equipment. The preparation method of the CPDs aggregate is simple and efficient, the construction controllability of the aggregate is improved, and the CPDs aggregate has an efficient photo-thermal conversion effect and has a good application prospect in the aspect of photo-thermoelectric continuous energy transfer devices or photo-thermoelectric generators.

The invention provides a benzoylurea substituted isoxazoline derivative as well as a preparation method and application thereof. The compound has the following chemical structural general formula, wherein in the chemical structural general formula CY, R is substituted aryl or aliphatic chain. In particular to a series of benzene ring, pyridine ring, benzyl or aliphatic chain substituted derivatives, a novel insecticide with high efficiency, low toxicity and broad-spectrum insecticidal performance is synthesized, the novel insecticide can be alternately used with existing insecticides, generation of resistance is avoided or delayed, preparation conditions are conventional, follow-up treatment is simple and convenient, and industrialization is easy to achieve.

The present invention discloses a preparation method of a conjugated microporous polymer solid-phase extraction membrane material and its application in the detection of benzoylurea pesticides, belonging to the technical field of pesticide detection and analysis. The present invention uses the conjugated microporous polymer solid-phase extraction membrane material to detect benzoylurea pesticides, and establishes a membrane solid-phase extraction-high performance liquid chromatography-tandem mass spectrometry detection method. This method has the advantages of less adsorbent consumption, short adsorption time, low desorption solvent consumption, simple operation process, wide linear range, high sensitivity, good repeatability, high recovery rate, and low detection limit, and can realize the ultra-trace detection of benzoylurea pesticides in matrices such as fruit juice and tea leaves.

The invention belongs to the technical field of adsorbents, and discloses preparation of a magnetic fluorine functionalized three-dimensional covalent organic framework and application of the magnetic fluorine functionalized three-dimensional covalent organic framework in analysis of benzoylurea insecticides, and the preparation method of the magnetic fluorine functionalized three-dimensional covalent organic framework comprises the following steps: mixing an ammonia source, anhydrous sodium acetate, ferric chloride and ethylene glycol according to a ratio, and stirring uniformly; heating, violently stirring and premixing, and then heating and reacting for set time to obtain NH2-Fe3O4; the preparation method comprises the following steps: mixing and grinding tetra (4-aminophenyl) methane, 2, 3, 5, 6-tetrafluoro-p-dibenzaldehyde, NH2-Fe3O4, 1-butyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide and 1-carboxymethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide according to a ratio, introducing nitrogen into a reaction system, emptying air, sealing, and reacting at 20-40 DEG C for 10-30 hours, so as to obtain the tetra (4-aminophenyl) methane, 2, 3, 5, 6-tetrafluoro-p-dibenzaldehyde, NH2-Fe3O4, 1-butyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide and 1-carboxymethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide. And after the reaction is finished, extracting by using an organic solvent, and drying an extracting solution to obtain the NH2-Fe3O4-coated F-3D COF. The NH2-Fe3O4 (at) F-3D COF shows strong adsorption performance on the BUs through the interaction of fluorine-fluorine affinity and hydrogen bonds.

The present invention relates to the technical field of agricultural chemicals and their preparation. Specifically, it discloses a benzoylurea derivative, its preparation method, and its application. Its structure is shown in Formula (I). The structure retains the benzoyl moiety and introduces a substituted phenylpyridine functional group, making it easier to form hydrogen bonds in vivo, thereby improving donor-acceptor affinity and effectively enhancing the compound's insecticidal activity. The compound exhibits excellent insecticidal activity even at relatively low concentrations, particularly against Lepidoptera larvae. It is a novel and highly effective biopesticide that can alleviate the resistance of pests and diseases to traditional drugs. It is non-toxic to mammals and aquatic organisms, poses minimal environmental pollution, and possesses high pesticide research value, with broad application prospects in agriculture. #imgabs0#

The invention discloses preparation and application of a mass spectrum ionization source element special for benzoylurea insecticide analysis, and the ionization source element comprises a substrate layer which is paper; the adsorption layer covers at least part of the surface of the substrate, the adsorption layer is formed by a sulfonic acid functionalized covalent organic framework material and hydrogel, and the hydrogel is composed of water, sodium alginate, calcium ions and polyacrylic acid. The sulfonic acid functionalized covalent organic framework material is composed of repeated multi-element ring units as shown in a formula I which is described in the specification. The ionization source element is uniform in coating, good in benzoylurea enrichment effect and high in adsorption capacity, the ionization source element can serve as a fixed substrate, mass spectrometric detection is carried out through ionization and ionization, the detection steps are simple, the background noise of detection is low, sensitivity and accuracy are high, and the detection cost is low. The method is especially suitable for enrichment and detection of benzoylurea in a complex food matrix sample.

The utility model relates to the relevant technical field of analysis and detection, in particular to a magnetic adsorption material and benzoylurea insecticide detection equipment thereof, which comprises a base, a magnetic adsorption block is fixedly connected to the surface of one side of a detection box, and a ventilation mechanism is arranged on the surface of one side of the detection box. According to the magnetic adsorption material and the application thereof in benzoylurea pesticide detection equipment, a thermal inductance signaling device starts a dust collection motor to start operation, air is sucked in from an air inlet pipe, a dustproof piece is further arranged at an air inlet pipe opening, part of dust is prevented from entering an air exchange mechanism, the dust collection motor separates most of dust from air, and the dust collection efficiency is improved. Most of dust particles fall into the dust collection box through a hose, then other air enters the filter element through a fixing column, activated carbon in the filter element further purifies the air, finally, the air enters the detection box through a first dustproof net, and an air exchange mechanism can exhaust interference gas in time. Only the signal of the target substance in the detection environment is ensured, so that the detection accuracy is improved.

The application discloses a kind of fluorine-containing oxadiazole amide insecticidal composition, insecticide and application, belong to the technical field of insecticide.The fluorine-containing oxadiazole amide insecticidal composition of the application is one combination of fluorine oxadiazole amide and lufenuron, fluorine oxadiazole amide and flufenoxuron, fluorine oxadiazole amide and chlorfluazuron.The mechanism of action of fluorine oxadiazole amide and benzoylurea insecticides in the insecticidal composition of the application is completely different, and the combination can synergize against pests, improve the control effect, reduce the amount of pesticide used, delay the development of pesticide resistance and reduce the risk of resistance.The composition of the application can be prepared into a pesticide preparation and used for the control of lepidopteran pests and piercing-sucking mouthpart pests in horticultural crops such as vegetables and fruit trees, field crops such as corn, cotton and rice.

The present invention belongs to the field of pesticides and insecticides and relates to an insecticidal composition containing a benzoylurea. The insecticidal composition comprises active ingredients A and B, wherein active ingredient A is a compound of formula (I) and active ingredient B is a benzoylurea compound. The mass ratio of active ingredient A to active ingredient B is 1:50 to 56:1. The insecticidal composition of the present invention has the advantages of enhancing synergy and delaying resistance development, and is used for controlling resistant pests.

A treated mesh sheeting containing an insecticide such that the mesh sheeting acts as a physical and chemical barrier to impede the ingress of insects into a structure, in particular a building structure. The insecticide maybe selected from any one or more of the group comprising pyrethrum, synthetic pyrethroids, organo-chlorines, organo-sulfurs, carbamates, organo-phosphates, formamidines, neonicotinoids, nicotinoids, spinosyns, phenylpyrazoles, pyrroles, pyrazoles, dinitrophenols, pyridazinones, quinazolines, and benzoylureas. The mesh sheeting can be integrally attached to a building structure to impede the ingress of insects, particular termites.

The present invention relates to agricultural formulations exhibiting enhanced wetting properties, in particular, agricultural formulations comprising alcohol ethoxylates as wetting agents for benzoyl urea insecticides. The present invention further provides a method for pests control comprising the same.

The present disclosure relates to a method for controlling pests. More particularly, the present disclosure relates to a method for controlling pests from the Pianococcus genus by application of a benzoylurea insecticide.

This invention discloses an insecticidal composition containing fluoxazolamide and diflubenzuron, an insecticidal pesticide, and its application, belonging to the field of insecticidal pesticide technology. In the insecticidal composition of this invention, the weight ratio of fluoxazolamide to diflubenzuron is 1:2 to 1:20. The mechanisms of action of fluoxazolamide and benzoylurea insecticides in the insecticidal composition of this invention are completely different; their combination can synergistically enhance the effect on pests, improve control efficacy, reduce pesticide usage, delay the development of resistance, and reduce the risk of resistance. The composition of this invention can be prepared into pesticide formulations for the control of lepidopteran pests and piercing-sucking pests in horticultural crops such as vegetables and fruit trees, and field crops such as corn, cotton, and rice.

The present application belongs to the field of pesticide insecticide, and relates to an insecticidal composition containing benzoyl urea. The effective component of the insecticidal composition comprises active component A and active component B, the active component A is a compound of formula (I), the active component B is a benzoyl urea compound, and the mass ratio of the active component A to the active component B is 1:75-36:1. The insecticidal composition has the advantages of synergism and resistance delay, and is used for preventing and treating resistant pests.

The present disclosure relates to a method for controlling pests. More particularly, the present disclosure relates to a method for controlling pests by application of a benzoylurea insecticide.

The present invention relates to stable synergistic insecticidal composition for synergistic and effective control of various insect pests including entire sucking pest complex.