A kind of stabilizer of pesticide granule and its application

A stabilizer and granule technology, applied in the field of pesticides, can solve the problems of stabilizer failure, affecting the quality and effect of "medicine fertilizer", poor effect performance, etc., and achieve the effect of solving the problem of unstable combination

Active Publication Date: 2021-12-28
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, when "medicine" and "fertilizer" are mixed together, the combination of active ingredients of pesticide and fertilizer is unstable, which seriously affects the quality and effect of "medicine fertilizer".
Existing pesticide stabilizers include phosphoester stabilizers, phosphite stabilizers, sulfate stabilizers, sulfonate stabilizers, UV absorbers, etc., but these pesticide stabilizers mostly compete with redox reactions and Absorb light of a specific wavelength to ensure the stability of the active ingredients of pesticides. These stabilizers are used in conventional liquid preparations such as emulsifiable concentrates and suspension concentrates. Fertilizers contain inorganic salts and organic matter that are prone to acid-base neutralization reactions with the above-mentioned stabilizers and become invalid. , making the stabilizer ineffective, the effect is not good

Method used

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  • A kind of stabilizer of pesticide granule and its application
  • A kind of stabilizer of pesticide granule and its application
  • A kind of stabilizer of pesticide granule and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: 1% clothianidin granules

[0024] First prepare 30% clothianidin oil intermediate: mix 29.07 g of methyl ester oil, 30.00 g of hydrogenated styrene butadiene copolymer (SEBS), and 10.00 g of OF-7812, after dispersing and mixing evenly, then add 97% clothianidin 30.93 g of amine was dispersed at a high speed for 20-30 minutes to obtain a homogeneous oil phase system, and a 30% clothianidin oil intermediate was obtained.

[0025] Using granular urea as a fertilizer carrier, 92.67 grams of granular urea was placed in a drum stirring device, and stirring was started, and 3.33 g of 30% clothianidin oil intermediate was weighed into the urea carrier, stirred for 3 minutes, until the oil intermediate was completely uniformly dispersed, adding Add 4.00 g of anti-caking powder, stir for 2 minutes, until the anti-caking powder is uniformly dispersed in the carrier, and the preparation of the 1% clothianidin granule sample is completed. The rotating speed of the stirri...

Embodiment 2

[0036] Example 2: 0.12% thiamethoxam granules

[0037] First prepare 5% thiamethoxam oil intermediate: mix 54.79 g of methyl ester oil, 30.00 g of hydrogenated styrene butadiene copolymer (SEBS), and 10.00 g of OF-7812, disperse and mix evenly, then add 96% thiamethoxam 5.21 g of thiamethoxam was dispersed at a high speed for 20-30 minutes to obtain a homogeneous oil phase system, and a 5% thiamethoxam oil intermediate was obtained.

[0038] Using granular urea as a fertilizer carrier, 93.6 grams of granular urea was placed in a drum stirring device, and stirring was started, and 2.40 g of a 5% thiamethoxam oil intermediate was weighed into the urea carrier, and stirred for 3 minutes until the oil intermediate was uniformly dispersed on the carrier. , add 4.00 g of anti-caking powder, stir for 2 minutes, until the anti-caking powder is uniformly dispersed in the carrier, and the 1% thiamethoxam granule sample preparation is completed. The rotating speed of the stirring equipm...

Embodiment 3

[0049] Embodiment 3: 6% metaldehyde carbaryl granules

[0050] First prepare 36% Metaldehyde carbaryl oil intermediate: mix 27.90 grams of white oil 7#, 30 grams of hydrogenated styrene-butadiene copolymer (SEBS), and 5.00 grams of NP-10, and mix evenly through dispersion. Then add 27.60 grams of metaldehyde and 9.50 grams of carbaryl, and disperse at a high speed for 20 to 30 minutes to obtain a homogeneous oil phase system and obtain a 36% metaldehyde·carbaryl oil intermediate.

[0051] With the organic-inorganic compound fertilizer as the carrier, 73.33 grams of the organic-inorganic compound fertilizer was placed in the drum stirring device, and the stirring was started, and 16.67 g of 36% metaldehyde carbaryl oil intermediate was weighed on the fertilizer carrier, and stirred for 3 minutes until The oil intermediate is uniformly dispersed on the carrier, 10.0 g of anti-caking powder is added, and stirred for 2 minutes until the anti-caking powder is evenly dispersed on th...

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Abstract

The invention discloses a stabilizer for pesticide granules and an application thereof. The stabilizer belongs to styrene-butadiene block copolymer (SBS), specifically hydrogenated styrene-butadiene block copolymer (SEBS). The using method of the stabilizer hydrogenated styrene-butadiene copolymer (SEBS) is: the stabilizer hydrogenated styrene-butadiene copolymer (SEBS) is dissolved in the oil phase, organically mixed with emulsifier, pesticide active ingredient, fertilizer carrier Combining and making medicinal fertilizer granules through various granulation processes. The stabilizer of the pesticide granules and the application thereof of the present invention have simple process and safe use, and can solve the problem of unstable combination of the active ingredient of the pesticide and the fertilizer.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a stabilizer for pesticide granules and applications thereof. Background technique [0002] "Medicated fertilizer", because the simultaneous application of "medicine" and "fertilizer" can synergistically synergize, has been recognized by more and more people, and has been favored by farmers. However, at present, when "medicine" and "fertilizer" are mixed together in production, the combination of active ingredients of pesticides and fertilizers is unstable, which seriously affects the quality and effect of "medicated fertilizers". Existing pesticide stabilizers include phosphorus ester stabilizers, phosphite ester stabilizers, sulfate stabilizers, sulfonate stabilizers, UV absorbers, etc. Absorb specific wavelengths of light to ensure the stability of the active ingredients of pesticides. These stabilizers are used in conventional liquid formulations such as emulsifiable conc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/22A01N51/00A01N47/22A01N47/36A01N43/78A01N57/14A01N41/02A01N43/56A01N53/08A01N37/40C05G3/00C05G3/30C05G3/60C05G5/12
Inventor 安长成卢瑞常鹏飞李现玲
Owner GAUNGXI TIANYUAN BIOCHEM
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