CN101002569B - Aqueous emulsion of triazophos, and its preparing method - Google Patents

Aqueous emulsion of triazophos, and its preparing method Download PDF

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CN101002569B
CN101002569B CN200610023383XA CN200610023383A CN101002569B CN 101002569 B CN101002569 B CN 101002569B CN 200610023383X A CN200610023383X A CN 200610023383XA CN 200610023383 A CN200610023383 A CN 200610023383A CN 101002569 B CN101002569 B CN 101002569B
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aqueous emulsion
triazophos
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hostathion
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CN101002569A (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 triazophos is proportionally prepared from triazophos, solvent, emulsifier, thickening agent, anti-freezing agent, defoaming agent and water through preparing oil phase, preparing water phase and mixing while shearing.

Description

Aqueous emulsion of triazophos 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 aqueous emulsion of triazophos of preventing and treating crop pests such as rice-stem borer, paddy stem borer 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 aqueous emulsion of triazophos and preparation method thereof.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of aqueous emulsion of triazophos is characterized in that, it is raw material that this aqueous emulsion adopts the material of following component and weight content:
Hostathion 5%~40%,
Solvent 1%~10%,
Emulsifier 1~20%,
Thickener 0.5%~10%,
Antifreezing agent 0.5%~10%,
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 aqueous emulsion of triazophos is characterized in that, this method comprises following processing step:
(1) makes oil phase
Hostathion 5~40 weight % add with solvent 1~10 weight % and are in the same place, and make Hostathion be dissolved in fully in the solvent, become even oil phase;
(2) make water
Emulsifier 1~20 weight %, thickener 0.5~10 weight %, antifreezing agent 0.5~10 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.
Aqueous emulsion of triazophos of the present invention is the novel form agricultural chemicals that Shanghai Nongle Biological Product Co., Ltd. develops, because aqueous emulsion of triazophos does not contain poisonous inflammable benzene class equal solvent, 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, aqueous emulsion of triazophos 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:
Hostathion 5kg, solvent xylene or toluene 1kg, emulsifier polyoxyethylene alkyl phenol 1kg, thickener polyvinyl alcohol or xanthans 0.5kg, antifreeze glycol or propane diols 0.5kg, defoamer organosilicon 0.1kg, excess water 91.9kg.
The preparation method:
A. the former medicine of Hostathion is joined in organic solvent dimethylbenzene or the toluene, constantly stir, till Hostathion dissolves fully, standby as oil phase;
B. by above-mentioned prescription emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively, constantly stir, till being dissolved into uniform liquid fully, standby as water;
C. 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 aqueous emulsion of triazophos.
Embodiment 2
Composition of raw materials:
Hostathion 20kg, solvent xylene or toluene 5kg, emulsifier polyoxyethylene alkaryl phenol 10kg, thickener polyvinyl alcohol or xanthans 5kg, antifreeze glycol or propane diols 5kg, defoamer organosilicon 0.5kg, excess water 54.5kg.
The preparation method:
A. the former medicine of Hostathion is joined in organic solvent dimethylbenzene or the toluene, constantly stir, till Hostathion dissolves fully, standby as oil phase;
B. by above-mentioned prescription emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively, constantly stir, till being dissolved into uniform liquid fully, standby as water;
C. 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 aqueous emulsion of triazophos.
Embodiment 3
Composition of raw materials:
The mixture 15kg of Hostathion 38kg, solvent xylene and toluene 8kg, emulsifier polyoxyethylene fatty alcohol and sorbitol ester, thickener polyvinyl alcohol or xanthans 7kg, antifreeze glycol and propane diols 8kg, defoamer organosilicon 0.8kg, excess water 23.2kg.
The preparation method:
A. the former medicine of Hostathion is joined in organic solvent dimethylbenzene and the toluene, constantly stir, till Hostathion dissolves fully, standby as oil phase;
B. by above-mentioned prescription the former medicine of dimehypo, emulsifier, thickener, antifreezing agent and defoamer under agitation are added to the water successively, constantly stir, till being dissolved into uniform liquid fully, standby as water;
C. 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 aqueous emulsion of triazophos.

Claims (3)

1. an aqueous emulsion of triazophos is characterized in that, it is raw material that this aqueous emulsion adopts the material of following component and weight content:
Hostathion 5%~40%,
Solvent 1%~10%,
Emulsifier 1~20%,
Thickener 0.5%~10%,
Antifreezing agent 0.5%~10%,
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 aqueous emulsion of triazophos of claim 1 is characterized in that, this method comprises following processing step:
(1) makes oil phase
Hostathion 5~40 weight % add with solvent 1~10 weight % and are in the same place, and make Hostathion be dissolved in fully in the solvent, become even oil phase;
(2) make water
Emulsifier 1~20 weight %, thickener 0.5~10 weight %, antifreezing agent 0.5~10 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.
3. the preparation method of aqueous emulsion of triazophos according to claim 2 is characterized in that, described speed of agitator is 1000~20000 rev/mins, and mixing time is 3~60 minutes.
CN200610023383XA 2006-01-17 2006-01-17 Aqueous emulsion of triazophos, and its preparing method Active CN101002569B (en)

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Application Number Priority Date Filing Date Title
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CN101002569B true CN101002569B (en) 2010-08-18

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1348696A (en) * 2001-11-02 2002-05-15 浙江新农化工有限公司 Diazinone emulsion and its prepn.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1348696A (en) * 2001-11-02 2002-05-15 浙江新农化工有限公司 Diazinone emulsion and its prepn.

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
戴权.三唑磷水乳剂的研究与开发.安徽化工 第129期.2004,(第129期),45-46. *
肖乾芬,王晓栋,魏忠波,周芳,高士祥,孙成,王连生.三唑磷农药水解动力学研究.农药第44卷 第8期.2005,第44卷(第8期),356-358. *
陈蔚林,韩谋国,温家钧.绿色农药新剂型的开发.安徽化工 128期.2004,(128期),2-5. *

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Denomination of invention: Water emulsion of hostathion and preparation method thereof

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