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Microbial pine oleoresin based plant oil suspending agent and preparation method thereof

A technology of pine resin-based vegetable oil and microbial insecticide, applied in the field of pesticides, can solve the problems of difficult emulsifier matching, edible oil competition, poor compatibility, etc., and achieve the effects of low price, improved drug efficacy, and easy emulsification

Inactive Publication Date: 2014-03-05
ANHUI RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these vegetable oils have poor compatibility with the active ingredients of pesticides, and it is difficult to match with existing emulsifiers. The use of edible oils still has the problem of competing with the people for food; the development and application of non-edible oils such as jatropha oil are still immature.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Weigh 0.2g Bacillus microthuringiensis original drug, 20g thickener (organic bentonite 15g, white carbon black 5g) mixture, 32g emulsifier nonylphenol polyoxyethylene rice phosphate monoester and diester mixture triethanolamine salt, 148g The turpentine-based vegetable oil is mixed evenly and put into a sand mill, and sanded until the particle size is below 5um, and the sanded product is filtered out.

[0020] The results of quality analysis show that the decomposition rate of active ingredients is less than 3%, and the suspension rate is over 90%. There is no precipitation, agglomeration and stratification in low-temperature storage. and stratification.

Embodiment 2

[0022] Weigh 10g of the original drug of Bacillus subtilis, 10g of thickener (organic bentonite 6g, white carbon black 4g), 32g of emulsifier ethylene oxide propylene oxide block polymer, 148g of rosin-based vegetable oil, mix them evenly and put them into the sand mill In the machine, it is sanded until the particle size is below 5um, and the sanded product is filtered out.

[0023] The results of quality analysis show that the decomposition rate of active ingredients is less than 3%, and the suspension rate is over 90%. There is no precipitation, agglomeration and stratification in low-temperature storage. and stratification.

Embodiment 3

[0025] Take by weighing 10g Beauveria bassiana former medicine, 10g Agrobacterium radiata former medicine, 6g thickening thickener (organic bentonite 4g, white carbon black 2g), 32g emulsifier polyoxyethylene sorbitan ester, 142g turpentine After the base vegetable oil is mixed evenly, it is put into a sand mill, and sanded until the particle size is below 5um, and the sanded product is filtered out.

[0026] The results of quality analysis show that the decomposition rate of active ingredients is less than 3%, and the suspension rate is over 90%. There is no precipitation, agglomeration and stratification in low-temperature storage. and stratification.

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Abstract

The invention discloses a microbial pin oleoresin based plant oil suspending agent and a preparation method thereof. The method uses microbes, a solvent, a thickening agent and an emulsifier as raw materials, and comprises the following steps: firstly, pretreating the microbes and the thickening agent; secondly, mixing all raw materials together, and stirring; finally, grinding the mixture in a sand mill until the granule diameter of the mixture is less than 5 mu m, and filtering. According to the suspending agent and the production process of the suspending agent, the process is simple, the use is convenient, the production cost is low, an organic solvent is not used, the environment-friendly pressure is greatly reduced, the drug effect is high, and the quality is stable.

Description

technical field [0001] The invention relates to a microbial turpentine base oil suspension and a preparation method thereof, belonging to the field of pesticides. Background technique [0002] During the growth of microorganisms, it can metabolize and secrete bacteriocins (subtilisin, polymyxin, nystatin, etc.), lipopeptide compounds, organic acids, etc. These metabolites can effectively inhibit the growth of pathogenic bacteria, pests, and weeds Or dissolve pathogenic bacteria, prevent and control crop diseases, insect pests and weeds. As the problem of environmental pollution by chemical pesticides has become increasingly prominent, the research and production of microbial pesticides have received more attention. [0003] In China, most of the research and development of solvents for oil suspensions are epoxidized and methylated vegetable oils, mainly derived from soybean oil, rapeseed oil, cottonseed oil, etc. However, these vegetable oils have poor compatibility with t...

Claims

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Application Information

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IPC IPC(8): A01N25/04A01N63/04A01N63/00A01P7/04A01P3/00A01P1/00
Inventor 郑彩华徐晓莉刘勤冬凌进吴晓嘉秦岭
Owner ANHUI RES INST OF CHEM IND