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CN-121986800-A - Inorganic plastic oxygen composite material and application thereof in green agriculture and plant maintenance system

CN121986800ACN 121986800 ACN121986800 ACN 121986800ACN-121986800-A

Abstract

The invention discloses an inorganic plastic oxygen composite material and application thereof in green agriculture and plant maintenance systems, wherein the inorganic plastic oxygen composite material comprises an inorganic internal peroxy bridge composite compound, an inorganic mediated catalytic material and a material balance and stabilization system. In practical agricultural application, the aqueous solution prepared by the composite material can generate air containing singlet oxygen after atomization aeration treatment, and the air is uniformly released through a greenhouse pipeline, so that germ spores in the air can be quickly killed, and meanwhile, the composite material can be sprayed on the surface of crops to effectively prevent and treat mold and gray mold of crops such as tomatoes and cucumbers, and has an efficient degradation effect on organophosphorus pesticide residues on the surfaces of vegetables. The whole technical scheme does not need to use chemical pesticides, meets the development requirement of green agriculture, can effectively reduce pesticide residue pollution and protects the ecological environment of soil.

Inventors

  • LI BO
  • LI XINRUI

Assignees

  • 中环齐锐技发科技(成都)有限公司

Dates

Publication Date
20260508
Application Date
20251222

Claims (10)

  1. 1. The inorganic plastic oxygen composite material is characterized by comprising the following components in percentage by mass, based on 100g of the total mass of the composite material, 10-90g of inorganic internal peroxy bridge composite compound, 1.0-4.0g of inorganic mediated catalytic material and 10-30g of material balance and stability system; The inorganic internal peroxide bridge compound is a compound formed by one of calcium peroxide and magnesium peroxide and one of sodium perborate and sodium percarbonate; the inorganic internal peroxy bridge compound can release an active intermediate containing peroxy bridge bonds (-O-O-) in water, and the particle size of the active intermediate is 1-5 mu m; the inorganic mediated catalytic material is a mixture of a metal oxide nano material with a (110) crystal face exposure rate of more than or equal to 70% and one of lanthanum chloride, cerium chloride and potassium iron oxalate; The material balance and stabilization system is any two mixtures of anhydrous magnesium sulfate, sodium silicate, anhydrous sodium carbonate, citric acid, sulfamic acid, sodium citrate and polyethylene glycol.
  2. 2. The inorganic plastic oxygen composite material according to claim 1, wherein the metal oxide nanomaterial is one of Co 0.5 Zn 0.5 O nanoplatelets and carbon nanodots, wherein the particle size of the Co 0.5 Zn 0.5 O nanoplatelets is 10-30nm, and the particle size of the carbon nanodots is 5-15nm.
  3. 3. The inorganic plastic oxygen composite material according to claim 1, wherein the mass ratio of calcium peroxide or magnesium peroxide to sodium perborate or sodium percarbonate in the inorganic internal peroxy bridge composite compound is 1:0.5-2.0.
  4. 4. The inorganic plastic oxygen composite material according to claim 1, wherein the mass ratio of the mixture in the inorganic mediated catalytic material is 1:1, and the components are mixed by mechanical stirring at a stirring speed of 300-500r/min for 15-30min.
  5. 5. The inorganic plastic-oxygen composite material according to claim 1, wherein in the material balance and stabilization system, the mass ratio of the two components is 1:1, and the molecular weight of polyethylene glycol is 2000-6000.
  6. 6. The inorganic plastic oxygen composite material according to claim 1, wherein the inorganic internal peroxy bridge composite compound, the inorganic mediated catalytic material and the material balance and stabilization system are compounded through a solution blending process, specifically, the inorganic internal peroxy bridge composite compound is dispersed in deionized water, the inorganic mediated catalytic material and the material balance and stabilization system are added after uniform stirring, the ultrasonic dispersion is carried out for 20-30min at 25-35 ℃, and the composite powder is obtained after drying.
  7. 7. The application of the inorganic plastic oxygen composite material in a green agriculture and plant maintenance system according to any one of claims 1-6, wherein the inorganic plastic oxygen composite material is prepared into an aqueous solution with the mass concentration of 0.1% -0.5%, atomization aeration treatment is carried out under the conditions of the atomization pressure of 0.2-0.4MPa and the aeration time of 10-20min, and the aqueous solution is introduced into a greenhouse disinfection system and converted into air containing non-free radical singlet oxygen.
  8. 8. The use according to claim 7, wherein the greenhouse disinfection system releases air containing non-radical singlet oxygen through a pipeline, release holes with the aperture of 0.1-0.5mm are arranged on the pipeline, the distance between the release holes is 5-10cm, and the release pressure of the pipeline is 0.1-0.3MPa.
  9. 9. The use according to claim 7, characterized in that the aqueous solution is used for controlling the mold and gray mold of tomatoes and cucumbers, the spraying frequency is once every 3 to 7 days, and the single spraying amount is 50 to 200mL/m 2 .
  10. 10. The use according to claim 7, wherein the aqueous solution is used for degrading organophosphorus pesticide residues on vegetable surfaces, the spraying frequency is once every 6-8 days, and the single spraying amount is 120-150mL/m 2 .

Description

Inorganic plastic oxygen composite material and application thereof in green agriculture and plant maintenance system Technical Field The invention belongs to the field of plant maintenance, and in particular relates to an inorganic plastic-oxygen composite material and application thereof in green agriculture and plant maintenance systems. Background In the fields of green agriculture and plant maintenance, pest control and pesticide residue degradation are always key problems for guaranteeing the quality safety of agricultural products and promoting the sustainable development of agriculture. At present, although chemical pesticides commonly used in agricultural production can prevent and treat plant diseases and insect pests to a certain extent, a series of problems such as exceeding of pesticide residues, ecological damage of soil, and enhancement of drug resistance of plant diseases and insect pests are easily caused when the chemical pesticides are used for a long time in a large amount, and the chemical pesticides do not meet the development requirements of green agriculture. In order to solve the problems, a plurality of green and environment-friendly disinfection and degradation technologies are gradually developed in the industry, wherein the oxidation technology based on peroxide is widely focused due to the characteristics of no secondary pollution, high effect efficiency and the like. However, the existing peroxide materials are mostly conventional components, and have the defects of low release efficiency of active ingredients and short action period, so that continuous and stable disinfection and degradation effects are difficult to realize. Meanwhile, in the application process of the traditional peroxide material, the generation efficiency of active oxygen species is low, and strong oxidative free radicals such as hydroxyl free radicals and the like are easy to generate, so that damage to crops is possible, and popularization and application in the agricultural field are limited. Therefore, the development of a composite material which can efficiently generate target active oxygen species, has good stability, is safe to crops and has excellent effects of preventing and controlling diseases and insect pests and degrading pesticide residues becomes a technical problem to be solved in the current green agriculture field. Disclosure of Invention The invention aims to provide an inorganic plastic oxygen composite material and application thereof in a green agriculture and plant maintenance system so as to make up for the defects in the prior art. The technical scheme adopted by the invention is as follows: An inorganic plastic oxygen composite material comprises the following components in percentage by mass, based on 100g of the total mass of the composite material, 10-90g of inorganic internal peroxy bridge composite compound, 1.0-4.0g of inorganic mediated catalytic material and 10-30g of material balance and stabilization system; The inorganic internal peroxide bridge compound is a compound formed by one of calcium peroxide and magnesium peroxide and one of sodium perborate and sodium percarbonate; the inorganic internal peroxy bridge compound can release an active intermediate containing peroxy bridge bonds (-O-O-) in water, and the particle size of the active intermediate is 1-5 mu m; the inorganic mediated catalytic material is a mixture of a metal oxide nano material with a (110) crystal face exposure rate of more than or equal to 70% and one of lanthanum chloride, cerium chloride and potassium iron oxalate; The material balance and stabilization system is any two mixtures of anhydrous magnesium sulfate, sodium silicate, anhydrous sodium carbonate, citric acid, sulfamic acid, sodium citrate and polyethylene glycol. As a further technical scheme, the metal oxide nano material is one of Co 0.5Zn0.5 O nano-sheets and carbon nano-dots, wherein the particle size of the Co 0.5Zn0.5 O nano-sheets is 10-30nm, and the particle size of the carbon nano-dots is 5-15nm. As a further technical scheme, in the inorganic internal peroxy bridge compound, the mass ratio of calcium peroxide or magnesium peroxide to sodium perborate or sodium percarbonate is 1:0.5-2.0. As a further technical scheme, in the inorganic mediated catalytic material, the mass ratio of the mixture is 1:1, and the components are mixed by mechanical stirring, the stirring speed is 300-500r/min, and the stirring time is 15-30min. As a further technical scheme, in the material balance and stabilization system, the mass ratio of the two components is 1:1, and the molecular weight of polyethylene glycol is 2000-6000. The inorganic internal peroxy bridge compound is dispersed in deionized water, and after being stirred uniformly, the inorganic internal peroxy bridge compound, the inorganic mediated catalytic material and the material balance and stability system are added, and the composite powder is obtained after ultrasonic dispersion f