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Phoxime pellets and their preparation

A technology of phoxim granules and phoxim, which is applied in botany equipment and methods, biocides, animal repellents, etc., and can solve the problems of easy decomposition and failure of phoxim, failure to reach the target of action, and drug drift loss and other problems, to achieve the effect of rich sand source, low price, and avoid rapid decomposition

Inactive Publication Date: 2004-12-08
SICHUAN BEIER CHEM GROUP
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Problems solved by technology

However, phoxim is easily decomposed and invalidated when exposed to light, heat, water, and alkaline substances.
In the past, the preparation of phoxim was mainly emulsifiable concentrate, which must be sprayed with water when used, and it is easy to decompose phoxim in the presence of light and water, which will cause the drift and loss of the medicine, fail to reach the target of action, and affect the use effect ; At the same time, the organic solvent in the emulsifiable concentrate will pollute the environment

Method used

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  • Phoxime pellets and their preparation
  • Phoxime pellets and their preparation

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Embodiment Construction

[0024] The following introductions are specific embodiments as the foregoing content of the present invention, and the foregoing content of the present invention will be further clarified through the embodiments. Of course, this should not be construed as limiting the scope of the foregoing subject matter of the present invention to the following examples.

[0025] The preparation method of phoxim granule (see figure 1 ), including the following steps:

[0026] 1. Preparation of binder:

[0027] Add a certain amount of water to a stirred reactor, put in a certain amount of polyvinyl alcohol when it is heated to 85°C with steam under stirring, keep stirring at 90°C to 95°C for 2 hours to dissolve the polyvinyl alcohol, and add a certain amount of polyvinyl alcohol after cooling. The coloring agent is prepared as a binder for standby use.

[0028] 2. Preparation of Phoxim Granules

[0029] Under normal temperature rolling and stirring, quantitative sand cleaning, phoxim tech...

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PUM

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Abstract

A phoxim particle is prepared from phoxim, carrier, adhesive, adsorbent and coloring agent. Its advantages are broad spectrum, high effect, low poison, high durability and high environmental compatibility.

Description

Technical field: [0001] The invention relates to an insecticide used in agriculture and gardening, in particular to a phoxim granule and a preparation method thereof. Background technique: [0002] Subterranean pests are important agricultural pests in my country. They spread across plains, hills, mountains, grasslands, paddy fields and dry lands all over the country. A long time often results in lack of seedlings and broken ridges, seriously affecting yield and quality. In the past, the prevention and control of underground pests in my country mainly used highly toxic or highly toxic pesticides such as carbofuran and phorate, which caused poisoning of humans and animals and affected the ecological environment. Phoxim is an excellent broad-spectrum, low-toxicity insecticide, especially effective in controlling subterranean pests of various crops. However, phoxim is easily decomposed and invalidated when exposed to light, heat, water and alkaline substances. In the past, th...

Claims

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Application Information

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IPC IPC(8): A01N25/12A01N57/14
Inventor 王国成梁晓禽
Owner SICHUAN BEIER CHEM GROUP
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