CN101002560B - Aqueous emulsion containing methyl amino abamectin benzoate, and its preparing method - Google Patents

Aqueous emulsion containing methyl amino abamectin benzoate, and its preparing method Download PDF

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Publication number
CN101002560B
CN101002560B CN2006100233844A CN200610023384A CN101002560B CN 101002560 B CN101002560 B CN 101002560B CN 2006100233844 A CN2006100233844 A CN 2006100233844A CN 200610023384 A CN200610023384 A CN 200610023384A CN 101002560 B CN101002560 B CN 101002560B
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weight
benzoate
emamectin
aqueous emulsion
solvent
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CN101002560A (en
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冯镇泰
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SHANGHAI NONGLE BIOLOGICAL PRODUCT CO Ltd
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SHANGHAI NONGLE BIOLOGICAL PRODUCT CO Ltd
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Abstract

An aqueous emulsion of methylamino abamectin benzoate is proportionally prepared from methylamino abamectin benzoate, solvent, emulsifier, thickening agent, anti-freezing agent, defoaming agent and water through preparing oil phase, preparing water phase and mixing while shearing.

Description

Emamectin-benzoate aqueous emulsion and preparation method thereof
Technical field
The present invention relates to a kind of agricultural chemicals and preparation method thereof, relate in particular to a kind of emamectin-benzoate aqueous emulsion of preventing and treating crop pests such as vegetables beet armyworm, prodenia litura, diamond-back moth, cabbage caterpillar and preparation method thereof.
Background technology
Great changes have taken place in global in recent years agricultural chemicals policy, particularly developed country is very strict to the use restriction of high poison, persistent pesticide, particularly played the whole nation on January 1st, 2007 and forbid that high-toxic pesticide is after using on the agricultural, with increasing, and high malicious type pesticide species will unfeelingly be eliminated under the effect of forbidding order to the demand of the environmental protection type agricultural chemical of efficient, low toxicity, low-residual in the domestic market.Limiting the use of and further forbid the trend that high-toxic pesticide is social development, also is the needs of realizing agricultural sustainable development.At present, China's high-toxic pesticide occupies quite great proportion, accounts for 70%, and the western developed country situation is then opposite, only accounts for about 30%.
Data show, when totally supply exceed demand, low toxicity high-efficiency environment friendly class agricultural chemicals was in the tangible propagation process at agricultural chemicals, therefore, can estimate, and along with the increasing of governability dynamics, this of high-toxic pesticide and environment-protection pesticide disappears those long relations will be more obvious.
Along with improving constantly of people's living standard; people are to the raising of environmental protection consciousness; and the Chinese government is to the attention of ecotope, on the domestic and international market to be fit to controlling crop diseases and insect pests and nuisanceless production needs efficiently, the demand of low toxicity, low-residual, free of contamination environment protection biological agricultural chemicals and chemical pesticide is increasing.And the low toxicity efficient and environment-friendly type agricultural chemicals market demand is supplied less greatly in the market.
For a long time, the pesticide original medicine of every liquid state and the solid-state former medicine of sizable solvability is arranged in organic solvent, no matter be insecticide, miticide, or bactericide or weed killer herbicide etc., all be that the form of making missible oil is used mostly, emulsifiable concentrates for agricultural chemicals is the important formulation of pesticidal preparations always, but owing to contain a large amount of inflammable organic solvents in the missible oil, strict to aspects such as production, storing and uses, as poor management, intoxicating phenomenon takes place or produces poisoning in misoperation easily.Particularly in long-term use, a large amount of organic solvents evaporate in the atmosphere, and environment has been caused serious pollution, and all these problems have caused people's extensive concern.
Summary of the invention
Purpose of the present invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of safe in utilization, the feature of environmental protection good, lower-cost emamectin-benzoate aqueous emulsion and preparation method thereof.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of emamectin-benzoate aqueous emulsion is characterized in that, it is raw material that this aqueous emulsion adopts the material of following component and weight content:
Emamectin-benzoate 0.1%~20%,
Solvent 1%~10%,
Emulsifier 1%~10%,
Thickener 0.1%~5%,
Antifreezing agent 0.5%~5%,
Defoamer 0.1%~1%,
Moisturizing to 100%.
Described solvent is selected from one or both the mixture in dimethylbenzene, the toluene.
Described emulsifier is selected from the EO-PO block copolymer.
Described EO-PO block copolymer is selected from one or more the mixture in polyoxyethylene alkylphenol, polyoxyethylene alkaryl phenol, polyoxyethylene fatty alcohol, the sorbitol ester.
Described thickener is selected from polyvinyl alcohol or xanthans.
Described antifreezing agent is selected from one or both the mixture in ethylene glycol, the propane diols.
Described defoamer is selected from organosilicon.
A kind of preparation method of above-mentioned emamectin-benzoate aqueous emulsion is characterized in that, this method comprises following processing step:
(1) makes oil phase
Emamectin-benzoate 0.1~20 weight % adds with solvent 1~10 weight % and is in the same place, and makes emamectin-benzoate be dissolved in fully in the solvent, becomes even oil phase;
(2) make water
Emulsifier 1~10 weight %, thickener 0.1~5 weight %, antifreezing agent 0.5~5 weight %, defoamer 0.1~1 weight % and moisturizing to 100 weight % be added in be mixed together, become the homogeneous water;
(3) shear
Under high-speed stirred, water is added oil phase, form finely disseminated aqueous emulsion.
Described speed of agitator is 1000~20000 rev/mins, and mixing time is 3~60 minutes.
Emamectin-benzoate aqueous emulsion of the present invention is the functional novel form initiative agricultural chemicals that Shanghai Nongle Biological Product Co., Ltd. develops, because emamectin-benzoate aqueous emulsion does not contain poisonous inflammable benzene class equal solvent, therefore there is not the danger of catching fire, no unpleasant poisonous smell, little to eye irritation, reduced pollution, improved safety greatly production, storing and user to environment.On the other hand, emamectin-benzoate aqueous emulsion is a matrix with cheap water, greatly reduces to use farming originally.Therefore form after the industrialization, not only economic benefit is obvious, and helps promoting the development of high-new environment friendly agricultural technology, to promoting environmental protection, has obvious social, is the Research on Sustainable Development direction.
Description of drawings
Fig. 1 is a process chart of the present invention.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Embodiment 1
Composition of raw materials:
Emamectin-benzoate 0.3kg, solvent xylene or toluene 2kg, emulsifier polyoxyethylene alkyl phenol 1.5kg, thickener polyvinyl alcohol or xanthans 1.8kg, antifreeze glycol or propane diols 1.6kg, defoamer organosilicon 0.2kg, water 92.6kg.
The preparation method:
By above-mentioned prescription the former medicine of emamectin-benzoate is joined in organic solvent dimethylbenzene or the toluene, constantly stir, till emamectin-benzoate dissolves fully, standby as oil phase;
By above-mentioned prescription emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively again, constantly stir, till being dissolved into uniform liquid fully, standby as water;
Earlier oil phase is joined in the container of clipper, open and stir, under agitation add water then gradually in oil phase, rotating speed is controlled at 1000 rev/mins, stirred 60 minutes, the opaque shape liquid of milky, be emamectin-benzoate aqueous emulsion.
Embodiment 2
Composition of raw materials:
Emamectin-benzoate 5kg, solvent xylene or toluene 5kg, emulsifier polyoxyethylene fatty alcohol 3.6kg, thickener polyvinyl alcohol or xanthans 3.5kg, antifreeze glycol or propane diols 2kg, defoamer organosilicon 0.3kg, water 80.6kg.
The preparation method:
By above-mentioned prescription the former medicine of emamectin-benzoate is joined in organic solvent dimethylbenzene or the toluene, constantly stir, till emamectin-benzoate dissolves fully, standby as oil phase;
By above-mentioned prescription emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively again, constantly stir, till being dissolved into uniform liquid fully, standby as water;
Earlier oil phase is joined in the container of clipper, open and stir, under agitation add water then gradually in oil phase, rotating speed is controlled at 12000 rev/mins, stirred 30 minutes, the opaque shape liquid of milky, be emamectin-benzoate aqueous emulsion.
Embodiment 3
Composition of raw materials:
The mixture 4kg of the mixture 8kg of the mixture 8kg of emamectin-benzoate 16kg, solvent xylene and toluene, emulsifier polyoxyethylene alkaryl phenol and sorbitol ester, thickener polyvinyl alcohol or xanthans 4kg, antifreeze glycol and propane diols, defoamer organosilicon 0.8kg, water 59.2kg.
The preparation method:
By above-mentioned prescription the former medicine of emamectin-benzoate is joined in the mixture of organic solvent dimethylbenzene and toluene, constantly stir, till emamectin-benzoate dissolves fully, standby as oil phase;
By above-mentioned prescription the former medicine of dimehypo, emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively again, constantly stir, till being dissolved into uniform liquid fully, standby as water;
Earlier oil phase is joined in the container of clipper, open and stir, under agitation add water then gradually in oil phase, rotating speed is controlled at 15000 rev/mins, stirred 8 minutes, the opaque shape liquid of milky, be emamectin-benzoate aqueous emulsion.

Claims (2)

1. an emamectin-benzoate aqueous emulsion is characterized in that, it is raw material that this aqueous emulsion adopts the material of following component and weight content:
Emamectin-benzoate 0.1%~20%,
Solvent 1%~10%,
Emulsifier 1%~10%,
Thickener 0.1%~5%,
Antifreezing agent 0.5%~5%,
Defoamer 0.1%~1%,
Moisturizing to 100%;
Described solvent is selected from one or both the mixture in dimethylbenzene, the toluene;
Described emulsifier is selected from the EO-PO block copolymer;
Described EO-PO block copolymer is selected from one or more the mixture in polyoxyethylene alkylphenol, polyoxyethylene alkaryl phenol, polyoxyethylene fatty alcohol, the sorbitol ester;
Described thickener is selected from polyvinyl alcohol or xanthans;
Described antifreezing agent is selected from one or both the mixture in ethylene glycol, the propane diols;
Described defoamer is selected from organosilicon.
2. the preparation method of the described emamectin-benzoate aqueous emulsion of claim 1 is characterized in that, this method comprises following processing step:
(1) makes oil phase
Emamectin-benzoate 0.1~20 weight % adds with solvent 1~10 weight % and is in the same place, and makes emamectin-benzoate be dissolved in fully in the solvent, becomes even oil phase;
(2) make water
Emulsifier 1~10 weight %, thickener 0.1~5 weight %, antifreezing agent 0.5~5 weight %, defoamer 0.1~1 weight % and moisturizing to 100 weight % be added in be mixed together, become the homogeneous water;
(3) shear
Under high-speed stirred, water is added oil phase, form finely disseminated aqueous emulsion;
Described speed of agitator is 1000~20000 rev/mins, and mixing time is 3~60 minutes.
CN2006100233844A 2006-01-17 2006-01-17 Aqueous emulsion containing methyl amino abamectin benzoate, and its preparing method Active CN101002560B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101507438B (en) * 2009-03-06 2012-05-09 福建农林大学 Emamectin-benzoate aqueous emulsion
CN102187868B (en) * 2010-03-03 2014-07-02 中农立华生物科技股份有限公司 Flubendiamide and emamectin benzoate blended emulsion and preparation method thereof
CN103563892A (en) * 2013-10-14 2014-02-12 广东中迅农科股份有限公司 Novel water-based preparation formulation of methylamino abamectin benzoate
CN104738031A (en) * 2013-12-31 2015-07-01 汕头市深泰新材料科技发展有限公司 Abamectin emulsion in water and preparation method thereof
CN104522015A (en) * 2015-01-22 2015-04-22 苏州佳辉化工有限公司 Compound insecticide containing emamectin benzoate and diafenthiuron
CN109197882B (en) * 2018-09-14 2021-07-30 河北威远生物化工有限公司 Emamectin benzoate emulsion B2a/B2B and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1194832A (en) * 1997-03-27 1998-10-07 王玉万 Antiparasitic medicine containing avermectin/ivermectin for animals
CN1359619A (en) * 2000-12-21 2002-07-24 温沛宏 Insecticidal microemulsion composition of emaricin
CN1448052A (en) * 2002-04-04 2003-10-15 王正权 Methyl-abamectin benzoate microemulsion and prep. thereof
CN1478391A (en) * 2003-07-08 2004-03-03 云大科技股份有限公司 Pirate mixture pesticide preparation and its preparation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1194832A (en) * 1997-03-27 1998-10-07 王玉万 Antiparasitic medicine containing avermectin/ivermectin for animals
CN1359619A (en) * 2000-12-21 2002-07-24 温沛宏 Insecticidal microemulsion composition of emaricin
CN1448052A (en) * 2002-04-04 2003-10-15 王正权 Methyl-abamectin benzoate microemulsion and prep. thereof
CN1478391A (en) * 2003-07-08 2004-03-03 云大科技股份有限公司 Pirate mixture pesticide preparation and its preparation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
章淑艳,李春辉.0.5%甲胺基阿维菌素苯甲酸盐水乳剂对鳞翅目害虫的防效研究.河北省科学院学报第22卷 第3期.2005,第22卷(第3期),67-70. *

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