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Phosethyl-aluminum water dispersible granules and preparation method thereof

A triethylphosphine, dispersive technology, applied in botanical equipment and methods, biocides, fungicides, etc., can solve the problems of personnel and environmental pollution, agglomeration and deterioration, single dosage form, etc., achieve high suspension rate, increase strength , the effect of increasing the control effect

Inactive Publication Date: 2014-05-07
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the preparation products have a single dosage form, mainly 80% aluminum triethylphosphonate wettable powder (WP) and 90% aluminum triethylphosphonate soluble powder (SP)
Due to the characteristics of easy moisture absorption and low density of aluminum triethylphosphonate, it brings certain pollution to personnel and the environment in the process of production, processing, packaging and transportation, and application of pesticides. Long-term storage of products will cause caking and deterioration, resulting in quality problem arises

Method used

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  • Phosethyl-aluminum water dispersible granules and preparation method thereof

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Embodiment 1

[0039] A kind of 80% aluminum triethylphosphonate water-dispersible granules, calculated by weight percentage, its composition and content are as follows:

[0040] 95% aluminum triethronate technical 850Kg (85%)

[0041] 50% Alkyl Glycoside 25Kg (2.5%)

[0042] Lauryl Betaine 25Kg (2.5%)

[0043] Gum Arabic 30Kg (3%)

[0044] Ammonium sulfate or urea 70Kg (7%).

[0045] The preparation method of above-mentioned 80% aluminum triethylphosphonate water dispersant, the process flow chart of its preparation process is as figure 1 As shown, it specifically includes the following steps:

[0046] Weigh 850Kg of 95% aluminum triethylphosphonate technical material, 25Kg of 50% alkyl glucoside, 25Kg of lauryl betaine, 30Kg of gum arabic, 70Kg of ammonium sulfate or urea, put it into a double-helix conical mixer and stir for 10min, stir After uniform;

[0047] Put the material into a non-polluting fluidized bed jet mill for crushing, and control the fineness of the crushed material ...

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Abstract

The invention discloses 80 percent phosethyl-aluminum water dispersible granules. The granules consist of the following components in percentage by weight: 85 to 87 percent of 95 percent phosethyl-aluminum raw drug, 2 to 5 percent of 50 percent alkyl glycoside, 2 to 5 percent of dodecyl dimethyl betaine, 1 to 5 percent of binder gum Arabic, and 5 to 10 percent of filler ammonium sulfate or urea. The preparation method comprises the following steps: uniformly mixing the raw materials, crushing, mixing with water, granulating, and drying to obtain the 80 percent phosethyl-aluminum water dispersible granules. The 80 percent phosethyl-aluminum water dispersible granules have long pesticide effect time and few application times to crops, a fertilizer is applied to the crops while insects and diseases of crops are prevented and controlled, and the crops can absorb nutrition to facilitate growth.

Description

technical field [0001] The invention relates to a water-dispersible granule (WGD) of aluminum triethylphosphonate and a preparation method thereof. Background technique [0002] Aluminum triethylphosphonate, common name: aluminum ethylphosphonate, chemical name: aluminum tris(O-ethylphosphonate), molecular weight: 354, the technical name of aluminum triethylphosphonate is white powder, colorless and odorless. Aluminum triethylphosphonate is an excellent new organophosphorus fungicide with high efficiency, broad spectrum and safety. It mainly prevents diseases caused by downy mildew and Phytophthora in fruit trees, vegetables and other economic crops. Aluminum triethylphosphonate fungicide was first developed by Rhône-Planck in France. It has a long production history in my country. Many manufacturers produce aluminum triethylphosphonate. The current annual production capacity of the original medicine has reached more than 10,000 tons. More than 80% are processed into prepara...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/12A01N25/14A01P3/00
Inventor 蒋兆张丽慧台玉红
Owner UNIV OF SHANGHAI FOR SCI & TECH
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