High-efficiency sustained-release agricultural chemical and production process thereof

A slow-release pesticide and production process technology, applied in the field of pesticides, can solve the problems of unstable drug properties of slow-release pesticides, drug release that affects drug efficacy, poor controllability of pesticide release quantity and release time, etc., to achieve improved yield increase effects, resistance Erosion damage, low production cost effect

Inactive Publication Date: 2019-11-12
SHANDONG HUIHAN BIOLOGICAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing pesticides have the problem of poor controllability of the release quantity and release time of pesticides after application, especially in the rainy south, affected by long-term lingering rainy weather, the properties of slow-release pesticides are extremely unstable, which seriously affects the efficacy and drug release control

Method used

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  • High-efficiency sustained-release agricultural chemical and production process thereof
  • High-efficiency sustained-release agricultural chemical and production process thereof
  • High-efficiency sustained-release agricultural chemical and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high-efficiency slow-release pesticide and its production process, the high-efficiency slow-release pesticide is a spherical solid particle, and the high-efficiency slow-release pesticide granule includes an effective active core layer, a sandwich membrane coating layer, and a biological release membrane layer from the inside to the outside , the effective active core layer is prepared from the following raw materials in parts by mass:

[0020]

[0021] The sandwich film wrapping layer is prepared from the following raw materials in parts by mass:

[0022]

[0023] The preparation process of the high-efficiency slow-release pesticide includes: (1) weighing the preparation raw materials of the effective active core layer, placing the weighed raw materials in a stirring device in turn for stirring and mixing, and then melting and making them through an extruder granules, dried and cooled, and sieved to make effective active core particles; (2) add the effective ac...

Embodiment 2

[0026] A high-efficiency slow-release pesticide and its production process. The high-efficiency slow-release pesticide is an ellipsoidal solid particle, and the high-efficiency slow-release pesticide particle includes an effective active core layer, a sandwich membrane coating layer, and a biological release membrane from the inside to the outside. layer, the effective active core layer is prepared from the following raw materials in parts by mass:

[0027]

[0028] The sandwich film wrapping layer is prepared from the following raw materials in parts by mass:

[0029]

[0030] The biorelease membrane layer is prepared from the following raw materials in parts by mass:

[0031]

[0032]

[0033] The preparation process of the high-efficiency slow-release pesticide includes: (1) weighing the preparation raw materials of the effective active core layer, placing the weighed raw materials in a stirring device in turn for stirring and mixing, and then melting and making...

Embodiment 3

[0036] A high-efficiency slow-release pesticide and its production process, the high-efficiency slow-release pesticide is a spherical solid particle, and the high-efficiency slow-release pesticide granule includes an effective active core layer, a sandwich membrane coating layer, and a biological release membrane layer from the inside to the outside , the effective active core layer is prepared from the following raw materials in parts by mass:

[0037]

[0038] The sandwich film wrapping layer is prepared from the following raw materials in parts by mass:

[0039]

[0040] The biorelease membrane layer is prepared from the following raw materials in parts by mass:

[0041]

[0042] The preparation process of the high-efficiency slow-release pesticide includes: (1) weighing the preparation raw materials of the effective active core layer, placing the weighed raw materials in a stirring device in turn for stirring and mixing, and then melting and making them through an...

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PUM

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Abstract

The invention discloses a high-efficiency sustained-release agricultural chemical and a production process thereof. The agricultural chemical comprises an effective active core layer, a sandwich filmcoating layer and a bio-release permeable membrane layer from the inside to the outside. The effective active core layer is prepared from following raw materials by mass: an agricultural chemical active ingredient, humic acid, auxiliaries, diatomite, a dispersant and cellulose. The sandwich film coating layer is prepared from deionized water, sodium alginate, ethyl cellulose, polyvinyl alcohol andglycerin. The bio-release permeable membrane layer is prepared from cellulose acetate fibers, shrimp shell powder, argy wormwood leaf powder, polyacrylamide, mineral oil, polyhydroxyalkanoate and sodium dodecylbenzenesulfonate. The effective active core layer is prepared by mixing and granulation, the sandwich film coating layer is prepared by spraying, coating and curing, and a product covered with the sandwich film coating layer is subjected to immersion, curing and shaping to prepare a finished product. The prepared product has good sustained-release effects, can resist erosion and erosioncaused by water, and can avoid drug contamination of water bodies and plant fruits.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a high-efficiency slow-release pesticide and a production process thereof. Background technique [0002] Pesticides are a special commodity, and most of their original drugs need to be processed into different formulations before they can be used. The research on pesticide formulations has always been an important link in the development and application of pesticides. The existing pesticides are based on the release characteristics of active ingredients. The classification can be divided into two types: conventional type and controlled release type, which are freely released. The effective rate of conventional type pesticides is 20-30%, while the loss rate through various channels is as high as 50-60%, which not only causes economic waste, but also The serious thing is that the lost pesticides will flow into nearby rivers through the washing of rainwater, and even pollute the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/26A01N25/10
CPCA01N25/10A01N25/26
Inventor 王翔刘会涛周全荣于金山孙吉林王鹏
Owner SHANDONG HUIHAN BIOLOGICAL SCI & TECH CO LTD
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