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Zinc oxide suspending agent

A technology of zinc oxide and suspending agent, applied in the field of agricultural trace element fertilizer, can solve the problems of difficult environmental pollution, easy to produce phytotoxicity, slow speed, etc. Effect

Active Publication Date: 2009-02-04
深圳润康生态环境股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of slow speed, easy to produce phytotoxicity, easy to produce environmental pollution, or difficult to absorb in the existing zinc supplementation technology for fruit trees, and develop a high-content, environmentally friendly, easy-to-absorb and high-utility zinc oxide. Suspending agent

Method used

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  • Zinc oxide suspending agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 71% of zinc oxide raw powder, 2% of wetting agent nonylphenol ethoxylate (10EO), 4% of dispersant phenethylphenol polyoxyethylene ether formaldehyde condensate, 1% of sodium lignosulfonate, antifreeze Ethylene glycol 4%, water 17%, the above raw materials are mixed according to the general method, poured into a high shear homogenizer for stirring, and then poured into a sand mill for sanding, and then add a thickener after sanding 0.3% of xanthan gum and 0.7% of polyoxyethylene fatty acid ester as a defoaming agent are fully stirred to obtain a 70% zinc oxide suspending agent. After inspection, the effective ingredient is zinc oxide 70.2%, PH value 7.9, suspension rate ≥ 93%, sieving (through 75μm test sieve) ≥ 99.5%, mercury, arsenic, cadmium, lead, chromium harmful substances content ≤ 0.05%, residual after dumping content ≤ 3%, residue ≤ 0.05% after washing, and the stability of accelerated hot storage and accelerated cold storage is qualified. In practical ap...

Embodiment 2

[0027] Weigh 71% of zinc oxide raw powder, 4% of wetting agent styrene ethylphenol polyoxyethylene ether sodium sulfate, 4% of dispersing agent nonylphenol ether phosphate, 4% of antifreeze ethylene glycol, 16.2% of water, the above The raw materials are mixed according to the general method, poured into a high-shear homogenizer for stirring, and then poured into a sand mill for sanding. After sanding, add thickener methyl cellulose 0.3% and defoamer fatty acid polyoxygen Vinyl ester 0.5%, get 70% zinc oxide suspending agent after fully stirring. After inspection, the effective ingredient is zinc oxide 70.1%, PH value 7.8, suspension rate ≥ 92%, sieving (passing 75μm test sieve) ≥ 99%, mercury, arsenic, cadmium, lead, chromium harmful substances content ≤ 0.05%, residual after dumping content ≤ 2%, residue ≤ 0.05% after washing, and the stability of accelerated heat storage and accelerated cold storage is qualified. In practical application, it is used to prevent and treat zi...

Embodiment 3

[0029] Weigh 51% of zinc oxide powder, wetting agent sodium alkylbenzene sulfonate 6%, dispersant fatty alcohol ether succinate half ester sodium sulfonate 7%, antifreeze agent polyethylene glycol 3.5%, water 31%, Mix the above raw materials according to the general method, pour them into a high-shear homogenizer for stirring, and then pour them into a sand mill for sand milling. After sand milling, add the thickener carboxymethyl cellulose hydroxyethyl cellulose 0.8 % and 0.7% of antifoaming agent sec-butanol, after fully stirring, 50% zinc oxide suspending agent was obtained. After inspection, the active ingredient is zinc oxide 50.3%, PH value 8.0, suspension rate ≥ 93%, sieving (through 75μm test sieve) ≥ 99.5%, mercury, arsenic, cadmium, lead, chromium harmful substances content ≤ 0.05%, residual after dumping content ≤ 2%, residue ≤ 0.05% after washing, and the stability of accelerated heat storage and accelerated cold storage is qualified. In practical application, it ...

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Abstract

The invention relates to an agricultural microelement fertilizer, namely, a zinc oxide suspending agent. The zinc oxide suspending agent has the viscosity with high concentration and comprises,based on the mass percentage, 10 percent to 80 percent of zinc oxide original powder, 2 percent to 7 percent wetting agent, 3 percent to 10 percent of dispersant, 3 percent to 6 percent of antifreeze agent, 0.3 percent to 1.0 percent defoaming agent, 0.1 percent to 0.8 percent of thickener and 2.2 percent to 80.6 percent of water. After high shearing and uniform mixing are carried out, the fineness is between 100 nanometers to 1,000 nanometers by sand milling, and then the zinc oxide suspending agent is formed by using the thickener to adjust the viscosity. The zinc oxide suspending agent is prepared by adopting high-performance additive and advanced technology. The zinc oxide suspending agent is characterized by high active component contents, good dispersive property, steady heat storage performance and nano-sized fineness. In the application, the zinc oxide suspending agent has the advantages of fast zinc supplement, good effect, and small reagent dosage as well as being friendly to environment.

Description

technical field [0001] The invention relates to an agricultural trace element fertilizer, and relates to a zinc oxide suspending agent and components thereof. technical background [0002] With the production demand of high-quality vegetables and fruits, in the field of plant protection in my country, agricultural trace element fertilizers are more and more widely used. Zinc deficiency is a common phenomenon in fruit tree areas in my country. The symptoms of zinc deficiency are mainly chlorotic yellowing and whitening of plant leaves, chlorosis of leaves, yellowing between veins, macular mosaic, leaf shape is significantly smaller, and small leaf clusters often occur, which are called "small leaf disease", "leaf cluster disease" and so on. . Seriously affect the growth of vegetables and fruit trees, and affect the quality of products. [0003] At the present stage, zinc sulfate is mostly used for direct zinc supplementation to vegetables and fruit trees in my country's pl...

Claims

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Application Information

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IPC IPC(8): C05D9/02
Inventor 贺民军林雨佳赵军朱卫锋王新军
Owner 深圳润康生态环境股份有限公司
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