CN110074119A - Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole - Google Patents
Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole Download PDFInfo
- Publication number
- CN110074119A CN110074119A CN201910388522.6A CN201910388522A CN110074119A CN 110074119 A CN110074119 A CN 110074119A CN 201910388522 A CN201910388522 A CN 201910388522A CN 110074119 A CN110074119 A CN 110074119A
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- China
- Prior art keywords
- tebuconazole
- agent
- aqueous suspension
- polyoxyethylene ether
- dispersed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
Abstract
The invention discloses a kind of Tebuconazoles, and aqueous suspension agent and preparation method thereof can be dispersed, wherein according to weight percent, the substance is composed of the following components: Tebuconazole 10%~50%；Polyoxyethylene ether wetting agent 2%~10%；Polymerization of carboxylic acid dipersant 2%~8%；Viscosity-controlling agent 0.5%~6%；Defoaming agent 0.1%~1%；Surplus is water.
Description
Technical field
The present invention relates to technical field of pesticide preparations, and in particular to aqueous suspension agent and its preparation side can be dispersed in a kind of Tebuconazole
Method.
Background technique
The chemical name of Tebuconazole are as follows: (RS) -1- (4- chlorphenyl) -4,4- dimethyl -3- (1H-1,2,4 triazol-1-yl first
Base) amyl- 3- alcohol, structural formula is as follows:
Tebuconazole is widely used as seed treatment and foliar spray in worldwide, and wide sterilization spectrum, not only activity is high,
And the lasting period is long.
Aqueous suspension agent refers to the preparation being dispersed in solid pesticide raw medicine with 4 microns of particles below in water, is not easy
Fire explosive, partial size is small, and bioactivity is high, and specific gravity is larger, and packaging volume is smaller, other opposite formulations of pesticide safety and environmental protections, gradually
One of Developing mainstream as pesticidal preparations.
Existing Tebuconazole aqueous suspension agent is unstable, unstable under high temperature storage conditions, is also easy to produce precipitating.
Summary of the invention
Technical problem to be solved by the present invention lies in the above deficiencies in the existing technologies are overcome, a kind of stabilization is provided
Property Tebuconazole high, that effect on environment is small aqueous suspension agent can be dispersed.
Its technical problem to be solved can be implemented by the following technical programs.
A kind of dispersible aqueous suspension agent of Tebuconazole, according to weight percent, the substance is composed of the following components:
Tebuconazole 10%~50%；
Polyoxyethylene ether wetting agent 2%~10%；
Polymerization of carboxylic acid dipersant 2%~8%；
Viscosity-controlling agent 0.5%~6%；
Defoaming agent 0.1%~1%；
Surplus is water.
As a further improvement of the present invention, more excellent proportion is as follows:
Tebuconazole, 42%；
Dibenzyl xenyl polyoxyethylene ether, 8%；
Alkylphenol-polyethenoxy carboxylate, 3%；
Ethylene glycol, 6%；
Organosilicon, 1%；
Water, 40%.
As the preferred embodiment of the present invention, the viscosity-controlling agent is xanthan gum.
Also as the further improvement of the technical program, the polymerization of carboxylic acid dipersant and polyoxyethylene ether wetting agent
Mass ratio is (1~3): (3~1).
Also as the further improvement of the technical program, the polyoxyethylene ether wetting agent (emulsifier) is preferably three combs acid
Glycerolipid polyoxyethylene ether, dibenzyl xenyl polyoxyethylene ether, styryl phenyl polyoxyethylene ether and alkylphenol formaldehyde tree
One of rouge polyoxyethylene ether is a variety of.
Further, the defoaming agent is preferably organosilicon.
The present invention uses polymerization of carboxylic acid dipersant, improves dispersion of the Tebuconazole in aqueous solvent compared to traditional dispersing agent
Property, it is in comb-type structure that charge density is big, and molecular weight is moderate, can effectively wrap up raw medicine particle surface, avoid product and exist
The case where being easy to happen sedimentation during storage.
Another technical problem to be solved by this invention is to provide a kind of system of dispersible aqueous suspension agent of above-mentioned Tebuconazole
Preparation Method, method includes the following steps:
By Tebuconazole, polyoxyethylene ether wetting agent, polymerization of carboxylic acid dipersant, viscosity-controlling agent, defoaming agent and water press than
Example is uniformly mixed, and is then ground, and obtaining Tebuconazole can be dispersed aqueous suspension agent.
As the preferred form of this method, the time of grinding is 1~2h.
In some embodiments of the invention, the Tebuconazole can be dispersed aqueous suspension agent and prepare in accordance with the following methods:
Original Tebuconazole, emulsifier (polyoxyethylene ether wetting agent), polymerization of carboxylic acid salinity are proportionally added into mixing kettle
Powder, defoaming agent, xanthan gum, water are sufficiently mixed material uniformly, sand mill are added in mixed material under high shear stirring
1~2h is sanded in middle grinding, and Tebuconazole, which is prepared, can be dispersed aqueous suspension agent.
The results show, not only suspension stability is high for the aqueous suspension agent, meet different quality area, high altitude localities,
The needs of low temp area, equator high temperature area, and reduce influence of the organic solvent to environment.
Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole by adopting the above technical scheme, have the following technical effect that and
Advantage:
1, Tebuconazole aqueous suspension agent produced by the invention is green non-poisonous, harmless；
2, not waste discharge, waste residue in Tebuconazole aqueous suspension agent production process of the present invention, do not have in the exhaust gas of discharge yet
Toxic component meets the production principle of Green Chemistry；
3, the present invention compounds polycarboxylate and polyoxyethylene ether dispersing agent, and the Tebuconazole aqueous suspension agent of preparation has high
Dispersion performance and stability.
Specific embodiment
The present invention is based on polycarboxylates and polyoxyethylene ether to compound the application in aqueous suspension agent, provides a kind of Tebuconazole
Dispersible aqueous suspension agent, calculates according to weight percent, comprising: and Tebuconazole 10%~40%, polyoxyethylene ether wetting agent 2%~
10%, polymerization of carboxylic acid dipersant 2%~8%, viscosity-controlling agent 0.5%~6%, defoaming agent 0.1%~1%, surplus are water.
The viscosity-controlling agent is xanthan gum.Tebuconazole provided by the invention can be dispersed aqueous suspension agent performance and stablize, relative to emulsifiable concentrate
Type reduces the use of organic solvent, and more environmentally friendly safety, storing and use are safe, environmentally friendly, meets the current formulations of pesticide
Developing direction.And have many advantages, such as pesticide granules partial size it is small, it is active it is high, penetration is strong, good dispersion, suspensibility are high, can be straight
It connects to be watered and be sprayed, is easy to use.The suspending agent suspension stability is high, meets different quality area, high altitude localities, low temperature
The needs in area, equator high temperature area, and reduce influence of the organic solvent to environment.
Below in conjunction with specific embodiments, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole 43%；
Benzoic acid methyl mercaptan ester alkyl fluosite polyoxyethylene ether, 7%；
Tristyrylphenol polyoxyethylene ether, 3%；
Alkylphenol-polyethenoxy carboxylate, 2%；
Ethylene glycol, 4%；
Organosilicon, 0.5%；
Water, 40.5%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 2h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 4 months or more not generating precipitating, at room temperature, can be reserved for 28 months
Precipitating is not generated above.
Embodiment 2:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 42%；
Dibenzyl xenyl polyoxyethylene ether, 8%；
Alcohol ether carboxylate ester, 3%；
Organosilicon, 1%；
Ethylene glycol, 6%；
Water, 40%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 1.5h is sanded, Tebuconazole is prepared
Dispersible aqueous suspension agent.It under the conditions of 55 DEG C, can keep 1 month or more not generating precipitating, at room temperature, can be reserved for 16
Month or more do not generate precipitating.
Comparative example 1:
According to the preparation method of embodiment 2, match as follows
Tebuconazole, 42%；
Dibenzyl xenyl polyoxyethylene ether, 8%；
Alkylphenol-polyethenoxy carboxylate, 3%；
Organosilicon, 1%；
Ethylene glycol, 6%；
Water, 40%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 1.5h is sanded, Tebuconazole is prepared
Dispersible aqueous suspension agent.Under the conditions of 55 DEG C, depositing can keep 3 months or more not generating precipitating, at room temperature, can be reserved for 26
Do not generate precipitating within a month or more.
Embodiment 3:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 50%；
Alkylphenol-polyethenoxy carboxylate, 5%；
Three comb acid glyceride polyoxyethylene ether, 7%；
Alkyl phenol formaldehyde resin polyoxyethylene ether, 3%；
Organosilicon, 1%；
Ethylene glycol, 3%；
Water, 31%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 2h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 2 months or more not generating precipitating, at room temperature, can be reserved for 24 months
Precipitating is not generated above.
Embodiment 4:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 49%；
Three comb acid glyceride polyoxyethylene ether, 7%；
Alkyl phenol formaldehyde resin polyoxyethylene ether, 3%；
Alcohol ether carboxylate ester, 5%；
Organosilicon, 1%；
Ethylene glycol, 2%；
Water, 33%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 2h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 2 months or more not generating precipitating, at room temperature, can be reserved for 24 months
Precipitating is not generated above.
Embodiment 5:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 48%；
Benzoic acid methyl mercaptan ester alkyl fluosite polyoxyethylene ether, 7%；
Alkyl phenol formaldehyde resin polyoxyethylene ether, 3%；
Alkylphenol-polyethenoxy carboxylate, 5%；
Organosilicon, 1%；
Ethylene glycol, 3%；
Water, 33%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 1h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 1 month or more not generating precipitating, at room temperature, can be reserved for 19 months
Precipitating is not generated above.
Embodiment 6:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 47%；
Dibenzyl xenyl polyoxyethylene ether, 7%；
Alkyl phenol formaldehyde resin polyoxyethylene ether, 3%；
Alcohol ether carboxylate ester, 5%；
Organosilicon, 1%；
Ethylene glycol, 4%；
Water, 33%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 2h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 2 months or more not generating precipitating, at room temperature, can be reserved for 24 months
Precipitating is not generated above.
Embodiment 7:
A kind of Tebuconazole aqueous suspension agent, the raw material including following weight %:
Tebuconazole, 46%；
Three comb acid glyceride polyoxyethylene ether, 7%；
Dibenzyl xenyl polyoxyethylene ether, 3%；
Alcohol ether carboxylate ester, 5%；
Organosilicon, 1%；
Ethylene glycol, 5%；
Water, 33%.
It is sufficiently mixed material uniformly, mixed material is added in sand mill and is ground, 1h is sanded, Tebuconazole is prepared can
Disperse aqueous suspension agent.It under the conditions of 55 DEG C, can keep 2 months or more not generating precipitating, at room temperature, can be reserved for 24 months
Precipitating is not generated above.
Claims (9)
1. aqueous suspension agent can be dispersed in a kind of Tebuconazole, which is characterized in that according to weight percent, the substance is by following components group
At:
Tebuconazole 10%~50%；
Polyoxyethylene ether wetting agent 2%~10%；
Polymerization of carboxylic acid dipersant 2%~8%；
Viscosity-controlling agent 0.5%~6%；
Defoaming agent 0.1%~1%；
Surplus is water.
2. aqueous suspension agent can be dispersed in Tebuconazole according to claim 1, which is characterized in that according to weight percent, the substance
It is composed of the following components:
Tebuconazole, 42%；
Dibenzyl xenyl polyoxyethylene ether, 8%；
Alkylphenol-polyethenoxy carboxylate, 3%；
Ethylene glycol, 6%；
Organosilicon, 1%；
Water, 40%.
3. aqueous suspension agent can be dispersed in Tebuconazole according to claim 1, which is characterized in that the viscosity-controlling agent is xanthan
Glue.
4. according to claim 1 Tebuconazole can be dispersed aqueous suspension agent, which is characterized in that the polymerization of carboxylic acid dipersant and
The mass ratio of polyoxyethylene ether wetting agent is (1~3): (3~1).
5. aqueous suspension agent can be dispersed in Tebuconazole according to claim 1, which is characterized in that the polyoxyethylene ether wetting agent is
Three comb acid glyceride polyoxyethylene ether, dibenzyl xenyl polyoxyethylene ether, styryl phenyl polyoxyethylene ether and alkyl phenol
One of formaldehyde resin polyoxyethylene ether is a variety of.
6. aqueous suspension agent can be dispersed in Tebuconazole according to claim 1, which is characterized in that the defoaming agent is organosilicon.
7. the preparation method of aqueous suspension agent, feature can be dispersed in Tebuconazole described in any claim in a kind of claim 1-6
It is, comprising the following steps:
Tebuconazole, polyoxyethylene ether wetting agent, polymerization of carboxylic acid dipersant, viscosity-controlling agent, defoaming agent and water are mixed in proportion
It closes uniformly, then grinds, obtaining Tebuconazole can be dispersed aqueous suspension agent.
8. preparation method according to claim 7, which is characterized in that the time of grinding is 1~2h.
9. preparation method according to claim 7, which comprises the following steps:
Original Tebuconazole, emulsifier, polymerization of carboxylic acid dipersant, defoaming agent, xanthan gum, water are proportionally added into mixing kettle,
It under high shear stirring, is sufficiently mixed material uniformly, mixed material is squeezed into sand mill and is ground, 1~2h is sanded, is prepared into
Aqueous suspension agent can be dispersed to Tebuconazole；Wherein, the emulsifier is polyoxyethylene ether wetting agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388522.6A CN110074119A (en) | 2019-05-10 | 2019-05-10 | Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910388522.6A CN110074119A (en) | 2019-05-10 | 2019-05-10 | Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole |
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| Publication Number | Publication Date |
|---|---|
| CN110074119A true CN110074119A (en) | 2019-08-02 |
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| CN201910388522.6A Pending CN110074119A (en) | 2019-05-10 | 2019-05-10 | Aqueous suspension agent and preparation method thereof can be dispersed in Tebuconazole |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070053944A1 (en) * | 2003-09-23 | 2007-03-08 | Bayer Cropscience Aktiengesellschaft | Concentrated suspensions |
| CN101522020A (en) * | 2006-09-30 | 2009-09-02 | 拜尔农作物科学股份公司 | Penetration enhancer for plant-compatible concentrates that can be dispersed in water |
| CN101578980A (en) * | 2008-05-16 | 2009-11-18 | 上海禾本药业有限公司 | Preparation method of tebuconazole suspension concentrates |
| CN109479885A (en) * | 2018-12-26 | 2019-03-19 | 安徽久易农业股份有限公司 | Oil-suspending agent can be dispersed in prothioconazoles |
-
2019
- 2019-05-10 CN CN201910388522.6A patent/CN110074119A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070053944A1 (en) * | 2003-09-23 | 2007-03-08 | Bayer Cropscience Aktiengesellschaft | Concentrated suspensions |
| CN101522020A (en) * | 2006-09-30 | 2009-09-02 | 拜尔农作物科学股份公司 | Penetration enhancer for plant-compatible concentrates that can be dispersed in water |
| CN101578980A (en) * | 2008-05-16 | 2009-11-18 | 上海禾本药业有限公司 | Preparation method of tebuconazole suspension concentrates |
| CN109479885A (en) * | 2018-12-26 | 2019-03-19 | 安徽久易农业股份有限公司 | Oil-suspending agent can be dispersed in prothioconazoles |
Non-Patent Citations (1)
| Title |
|---|
| 华乃震: "聚羧酸盐分散剂在农药剂型产品中的应用", 《农药》 * |
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Application publication date: 20190802 |
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