CN101554157A - Composite deflocculant containing abamectin and azacyclotin and preparation method thereof - Google Patents
Composite deflocculant containing abamectin and azacyclotin and preparation method thereof Download PDFInfo
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- CN101554157A CN101554157A CNA2008101038265A CN200810103826A CN101554157A CN 101554157 A CN101554157 A CN 101554157A CN A2008101038265 A CNA2008101038265 A CN A2008101038265A CN 200810103826 A CN200810103826 A CN 200810103826A CN 101554157 A CN101554157 A CN 101554157A
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- azacyclotin
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- avermectin
- suspending agent
- composite
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Abstract
The invention discloses a composite deflocculant containing abamectin and azacyclotin and a preparation method thereof. The abamectin and azacyclotin composition in the technical scheme mainly consists of 0.5-3 percent of abamectin containing active ingredients, 5-30 percent of azacyclotin, moistening dispersant, thickening agent, stabilizing agent, antifreeze, foam killer and de-ionized water which are prepared into an aqueous suspension preparation formulation. The invention has better compatibility, high suspensibility of working substances, has high adhesion rate and long lasting period of rain wash during the use and has no dust or solvent, thereby having little pollution on the environment and high security and not only enhancing the insecticidal spectrum of each active principle during the production and the application but also enhancing the biological activity of the active principles. Tests show that the invention has better preventing and curing effects on insect pests of various fruit trees and vegetables and mites, good security and no hazard to crops.
Description
Technical field
The present invention relates to a kind of compounded pesticides, especially relate to a kind of Avermectin and composite suspending agent of azacyclotin and preparation method thereof of containing.
Background technology
Avermectin (abamectin) has insect and mite class tags and stomach poison function, and faint fumigation action arranged, no systemic action, but blade is had very strong osmosis, can kill subepidermal insect, and the longevity of residure is long, what its mechanism of action was different with general insecticide is that it disturbs the neurophysiology activity, stimulate to discharge the r-aminobutyric acid, and the r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, little to the damage of beneficial insect.Azacyclotin (azocyclotin) is the broad spectrum activity organotin acaricide, and based on action of contace poison, the lasting period is long, to the children of tetranychid, rust mite, if mite, become mite, summer egg respond well, is used to prevent and treat the harmful mite of crops such as citrus, apple, hawthorn, cotton, vegetables.This miticide is widely used in countries in the world, also is China's control crop evil miticide that mite is effective, consumption is big.
At present, the use of the pesticidal preparations of these two kinds of active ingredients all is a liquid formulation, mainly based on missible oil.In the process of processing missible oil, need a large amount of organic solvents, as benzene,toluene,xylene etc.A large amount of uses of organic solvent not only cause the waste of industrial chemicals, simultaneously, return environment and human health and have brought very big threat.In recent years, proposed to forbid the part organic solvent in some developed countries.Therefore exploitation reduces or gets rid of the new liquid formulation of these organic solvents, has become a kind of imperative trend, and wherein water baseization of preparation is exactly one of important directions of formulations of pesticide development.
Summary of the invention
Purpose of the present invention discloses a kind of Avermectin and composite suspending agent of azacyclotin and preparation method thereof of containing exactly.
Another object of the present invention is exactly in order to overcome environmental pollution that prior art exists, to be detrimental to health and shortcoming such as use cost height and a kind of water fluid of developing, it is dispersed in Avermectin and azacyclotin in the water by the physics peptizaiton of dispersant and sand mill, the particle average-size is generally the 1-3 micron, has good flowability, dispersiveness, plate-out ability and biologically active; Be convenient to metering and use; Processing and use in do not have dust from flying, so all safer to operation and user and environment.
The objective of the invention is to realize by following technical scheme, the composite suspending agent of Avermectin and azacyclotin contains Avermectin and azacyclotin, by active component Avermectin and azacyclotin, and wetting dispersing agent, thickener, stabilizing agent, antifreezing agent, defoamer and deionized water be mixed with suspending agent, and the percentage by weight of wherein said each component is:
Avermectin 0.5-3%;
Azacyclotin 5-30%;
Wetting dispersing agent 0.5-10%;
Stabilizing agent 0.05-3%;
Antifreezing agent 1-5%;
Defoamer 0.2-1%;
Deionized water complements to 100%.
Described wetting dispersing agent is one or more in alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, alkylphenol-polyethenoxy base vinyl ethers phosphate, phenethyl phenol polyethenoxy base ether phosphate, the polyoxyethylene polyoxypropylene base ether block copolymers.
Described thickener is one or more in xanthans, carboxymethyl cellulose, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate.
Described stabilizing agent is one or more in Sodium Benzoate, sodium sorbate, the formaldehyde.
Described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea.
Described defoamer is a silicone defoaming agent.
Suspending agent is to be the formulation development of matrix with water, and many tangible advantages are arranged:
1, replaces organic solvent with water and done the pollution that solvent has reduced environment;
2, reduced production cost relatively;
3, the suspending agent particle is little, surface affinity strong, opening up good penetrability, has improved drug effect;
4, be the formulation of matrix with water, reduced the pollution in packing and the transportation, improved safety.
Embodiment
Essence for a better understanding of the present invention describe technology contents of the present invention in detail with its theory of constitution and embodiment below, but content of the present invention is not limited to this.
Suspending agent (SC) is a kind of new liquid formulation of developing in recent years, it is medium with water, acts on to water-fast effective active component, by homogenize technology by dispersion, emulsification etc., it is dispersed in the water, forms the thermodynamic stable system of oil-in-water type.Its advantage is:
1, particle is thin;
2, good fluidity is easy to metering;
3, suspensibility height (90%-95%);
4, wetability, spread, tackness are good, resistance of rainwater washing against;
5, biologically active is than the WP height, and to compare the lasting period long with missible oil, and drug effect is higher than missible oil;
No dust, do not contain solvent, thereby produce, use relative with the storing condition better, environmental pollution is few, and is safe;
6, intermiscibility is preferably arranged, be convenient to mix with buckets such as other preparations, active component and auxiliary agents;
7, processing charges is low, and is easy to use.
In addition, can make the agent of high performance agricultural chemicals kind clothing easily if add suitable adhesive and film forming agent, warning colouration etc. in the suspending agent; Suspending agent can be made into so-called water with the microcapsules combination and hangs microcapsule formulations etc. if can be made into so-called suspension emulsion with aqueous emulsion combination.Be particularly suitable for the effectively compound of multiple different performance active component; Suspending agent more can be made into the water dispersible granules of high comprehensive performance through spraying sulfuration drying-granulating.
For a better understanding of the present invention, the invention provides and be used for preparation method of the present invention and a series of instantiation is provided:
1, chooses raw material according to the prescription of Avermectin and azacyclotin mixture preparation;
2, each auxiliary agent is all mixed to stir add Avermectin and the former medicine of azacyclotin while stirring;
3, above mixture joined after stirring and carry out sand milling in the sand mill;
4, make above mixture reach desired granula after sand milling 2-3 hour and promptly obtain Avermectin azacyclotin suspending agent.
Example 1
5.5% Avermectin azacyclotin suspending agent.Its each constituent content (by weight) is the former medicine 0.5% of Avermectin, the former medicine 5% of azacyclotin, wetting dispersing agent alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate 3%, alkyl naphthalene formaldehyde condensate sulfonates 2%, thickener xanthans 0.2%, stabilizing agent Sodium Benzoate 0.2%, antifreeze glycol 4%, silicone defoaming agent 0.2% adds deionized water to 100%.Whole mixing of materials are stirred, and the back that stirs joins sand milling to material and carries out sand milling, makes material reach the requirement granula after sand milling 2-3 hour and promptly obtains 5.5% Avermectin azacyclotin suspending agent.Qualified through the check active constituent content, suspensibility 95%, screening (sieving) 99% by 75um, lasting foaming characteristic (1min) 20mL topples over back residue 3.5%, washing back residue 0.4%, the acceleration heat storage stability is qualified.
Embodiment 2
10.5% Avermectin azacyclotin suspending agent.Its each constituent content (by weight) is the former medicine 0.5% of Avermectin, the former medicine 10% of azacyclotin, wetting dispersing agent phenethyl phenol polyethenoxy base ether phosphate 4%, alkyl naphthalene formaldehyde condensate sulfonates 3%, thickener xanthans 0.2%, stabilizing agent sodium sorbate 0.2%, antifreezing agent urea 4%, silicone defoaming agent 0.2% adds deionized water to 100%.Whole mixing of materials are stirred, and the back that stirs joins sand milling to material and carries out sand milling, makes material reach the requirement granula after sand milling 2-3 hour and promptly obtains 10.5% Avermectin azacyclotin suspending agent.Qualified through the check active constituent content, suspensibility 97%, screening (sieving) 97% by 75um, lasting foaming characteristic (1min) 15mL topples over back residue 3.2%, washing back residue 0.3%, the acceleration heat storage stability is qualified.
Embodiment 3
16% Avermectin azacyclotin suspending agent.Its each constituent content (by weight) is the former medicine 1% of Avermectin, the former medicine 15% of azacyclotin, wetting dispersing agent polyoxyethylene polyoxypropylene base ether block copolymers 4%, phenethyl phenol polyethenoxy base ether phosphate 3%, thickener carboxymethyl cellulose 0.2%, stabilizing agent sodium sorbate 0.2%, antifreezing agent glycerine 4%, silicone defoaming agent 0.2% adds deionized water to 100%.Whole mixing of materials are stirred, and the back that stirs joins sand milling to material and carries out sand milling, makes material reach the requirement granula after sand milling 2-3 hour and promptly obtains 16% Avermectin azacyclotin suspending agent.Qualified through the check active constituent content, suspensibility 98%, screening (sieving) 98% by 75um, lasting foaming characteristic (1min) 16mL topples over back residue 3.0%, washing back residue 0.4%, the acceleration heat storage stability is qualified.
Embodiment 4
21% Avermectin azacyclotin suspending agent.Its each constituent content (by weight) is the former medicine 1% of Avermectin, the former medicine 20% of azacyclotin, wetting dispersing agent polyoxyethylene polyoxypropylene base ether block copolymers 6%, thickener carboxymethyl cellulose 0.2%, stabilizing agent sodium sorbate 0.2%, antifreezing agent glycerine 4%, silicone defoaming agent 0.2% adds deionized water to 100%.Whole mixing of materials are stirred, and the back that stirs joins sand milling to material and carries out sand milling, makes material reach the requirement granula after sand milling 2-3 hour and promptly obtains 21% Avermectin azacyclotin suspending agent.Qualified through the check active constituent content, suspensibility 99%, screening (sieving) 97% by 75um, lasting foaming characteristic (1min) 16mL topples over back residue 3.0%, washing back residue 0.3%, the acceleration heat storage stability is qualified.
Claims (6)
1, a kind of Avermectin and composite suspending agent of azacyclotin and preparation method thereof of containing, it is characterized in that containing Avermectin and azacyclotin, by active component Avermectin and azacyclotin, and wetting dispersing agent, thickener, stabilizing agent, antifreezing agent, defoamer and deionization be mixed with suspending agent, and the percentage by weight of wherein said each component is:
Avermectin 0.5-3%;
Azacyclotin 5-30%;
Wetting dispersing agent 0.5-10%;
Stabilizing agent 0.05-3%;
Antifreezing agent 1-5%;
Defoamer 0.2-1%;
Deionized water complements to 100%.
2, composite suspending agent according to claim 1 is characterized in that described wetting dispersing agent is one or more in alkyl naphthalene formaldehyde condensate sulfonates, alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, alkylphenol-polyethenoxy base vinyl ethers phosphate, phenethyl phenol polyethenoxy base ether phosphate, the polyoxyethylene polyoxypropylene base ether block copolymers.
3, composite suspending agent according to claim 1 is characterized in that described thickener is one or more in xanthans, carboxymethyl cellulose, polyvinyl alcohol, bentonite, the aluminium-magnesium silicate.
4, composite suspending agent according to claim 1 is characterized in that described stabilizing agent is one or more in Sodium Benzoate, sodium sorbate, the formaldehyde.
5, composite suspending agent according to claim 1 is characterized in that described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, the urea.
6, composite suspending agent according to claim 1 is characterized in that described defoamer is a silicone defoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101038265A CN101554157A (en) | 2008-04-11 | 2008-04-11 | Composite deflocculant containing abamectin and azacyclotin and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101038265A CN101554157A (en) | 2008-04-11 | 2008-04-11 | Composite deflocculant containing abamectin and azacyclotin and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101554157A true CN101554157A (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101038265A Pending CN101554157A (en) | 2008-04-11 | 2008-04-11 | Composite deflocculant containing abamectin and azacyclotin and preparation method thereof |
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| CN (1) | CN101554157A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798278A (en) * | 2014-01-26 | 2014-05-21 | 上海艳紫化工科技有限公司 | Pesticide suspension concentrate compounding abamectin and azacyclotin |
| CN108184894A (en) * | 2018-01-15 | 2018-06-22 | 肖健 | One kind is containing avermectin and azacyclotin compounding suspending agent and preparation method thereof |
-
2008
- 2008-04-11 CN CNA2008101038265A patent/CN101554157A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798278A (en) * | 2014-01-26 | 2014-05-21 | 上海艳紫化工科技有限公司 | Pesticide suspension concentrate compounding abamectin and azacyclotin |
| CN103798278B (en) * | 2014-01-26 | 2016-04-20 | 上海艳紫化工科技有限公司 | Avermectin and the composite agricultural chemicals suspension agent of azacyclotin |
| CN108184894A (en) * | 2018-01-15 | 2018-06-22 | 肖健 | One kind is containing avermectin and azacyclotin compounding suspending agent and preparation method thereof |
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Application publication date: 20091014 |