CN105557687B - A kind of avermectin aqueous suspension agent and preparation method thereof - Google Patents
A kind of avermectin aqueous suspension agent and preparation method thereof Download PDFInfo
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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
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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Abstract
The present invention relates to technical field of pesticide preparations, a kind of avermectin aqueous suspension agent and preparation method thereof is specifically disclosed.The avermectin aqueous suspension agent, is prepared by the raw material of following weight percentage: avermectin 10%, antioxidant 0.2%~0.5%, UV absorbers 0.5%~1%, light stabilizer 0.5%~1%, photomask agent 1%~2%, surfactant 3%~8%, thickener 1%~1.5%, preservative 0.1%~0.3%, antifreezing agent 3%~5%, defoaming agent 0.1%~0.2%, surplus are water；Wherein antioxidant is BHA；UV absorbers are 2-hydroxy-4-n-octoxybenzophenone；Light stabilizer is bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates；Photomask agent is Nano-meter SiO_22.Each raw material mutually acts synergistically, and effectively overcomes the drawbacks of avermectin preparation is oxidized photodissociation in storage and use process, advantage significant with drug effect, to human body low toxicity, safety and environmental protection.Preparation method of the present invention is easy to operate, easily controllable.
Description
Technical field
The present invention relates to technical field of pesticide preparations, and in particular to a kind of avermectin aqueous suspension agent and preparation method thereof.
Background technique
One kind that avermectin is big village's intelligence of Japanese North university etc. and Merck company in the U.S. develops first have desinsection,
Ten hexa-atomic Macrocyclic lactone compounds of mite killing, eelworm-killing activity, the metabolism of separation is extracted by streptomyces griseus after liquid fermentation
Product is a kind of biological pesticide, is the nuisanceless green pesticide that the Ministry of Agriculture is recommended to use, can prevent and treat vegetables, fruit tree, rice, cotton
The various pests of the various crops such as flower, tobacco, especially resistant insect.Late 1980s, China start to introduce Avermectin
Plain strain, the units such as Shanghai pesticide research institute, China Agricultural University are in strain separating, mutation breeding, zymotechnique, Hydrolysis kinetics
Etc. studied, pushed avermectin in the production and use in China.
The avermectin preparation of country's registration at present is mostly the dosage forms such as missible oil, wettable powder, and content is lower.Suspending agent
The four kinds of green pesticide forms recommended as one of formulations of pesticide highly important in modern and FAO (Food and Agriculture Organization of the United Nation) it
One, therefore also gradually research and develop and avermectin is prepared into suspending agent, which can mix dispersion with water with arbitrary proportion,
It is not influenced by water quality and water temperature, easy to use, the advantages such as environment not easy to pollute.But it is a large amount of research shows that avermectin pole
Easy photodegradation oxidation, causes its photostability poor, and crop field is short using the lasting period, virtually increases pesticide times for spraying and unit is anti-
Cost is controlled, to cause field Difficulty.Therefore it when preparing avermectin suspending agent, needs to add using auxiliary agent, to mention
The stability of high avermectin suspending agent, especially improves its photostability.
Summary of the invention
In order to overcome the drawbacks of the prior art, the object of the present invention is to provide a kind of good light stability, the drug effect lasting period it is long,
The significant avermectin aqueous suspension agent of drug effect.
Meanwhile the present invention also resides in and provides a kind of preparation method of avermectin aqueous suspension agent.
In order to achieve the goal above, the technical scheme adopted by the invention is that:
A kind of avermectin aqueous suspension agent, is prepared by the raw material of following weight percentage: avermectin 10% resists
Oxygen agent 0.2%~0.5%, UV absorbers 0.5%~1%, light stabilizer 0.5%~1%, photomask agent 1%~2%,
Surfactant 6%~8%, thickener 1%~1.5%, preservative 0.1%~0.3%, antifreezing agent 3%~5%, defoaming agent
0.1%~0.2%, surplus is water；Wherein the antioxidant is BHA；The UV absorbers are the just pungent oxygen of 2- hydroxyl -4-
Base benzophenone；The light stabilizer is bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates；The photomask agent is to receive
Rice SiO2。
The surfactant and its percentage composition are as follows: desugar sodium lignin sulfonate 3~4%, fatty alcohol sulfate salt 3~
4%.
The thickener and its percentage composition are as follows: xanthan gum 0.2%, aluminium-magnesium silicate 0.8~1.3%.
The preservative is BIT.
The antifreezing agent is ethylene glycol.
The defoaming agent is organic silicon defoamer.
The preparation method of above-mentioned avermectin aqueous suspension agent, including taking each raw material to be uniformly mixed to get the Avermectin
Plain aqueous suspension agent.
What above-mentioned each raw material was uniformly mixed method particularly includes: take the former medicine of AVM, surfactant, antioxidant, purple
Outer light absorber, light stabilizer, photomask agent and water mixing, shearing homogenize, and obtain mixture 1；Take preservative, antifreezing agent and part
Defoaming agent is added in mixture 1, filters after sand mill is sanded, obtain mixture 2；Thickener is taken, is added in mixture 2, through height
After pressing homogenizer mixing homogeneous, mixture 3 is obtained；Mixture 3 is added in remaining defoaming agent again, that is, completes.
The homogenized shearing rotating speed of shearing is 3000~4000rpm, and shear time is 30~45min.
The sand mill is two tandem vertical conical sand mills (model LS-30), continous way charging, charging rate
200L/h。
The standard screen aperture of the filtering is 40~50 μm.
It is 3000~4000rpm that the high pressure homogenizer, which mixes homogeneous revolving speed, and mixing the homogeneous time is 30~45min.
The preparation method of above-mentioned avermectin aqueous suspension agent further includes that the aqueous suspension agent of preparation is carried out detection physicochemical property
After qualification, finished product can be packed.
The physicochemical property index of avermectin aqueous suspension agent of the present invention are as follows: pH value 5.0~7.0, is toppled at suspensibility >=95%
Residue≤5.0% afterwards topples over rear washings≤0.5%, screen analysis (by 45 μm of standard screens) >=98.0%, lasting foam number
(after 1min)≤15ml.
Avermectin aqueous suspension agent of the present invention is added BHA and makees as antioxidant, 2-hydroxy-4-n-octoxybenzophenone
It is light stabilizer, Nano-meter SiO_2 for UV absorbers, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates2As optical screen
Agent is covered, and surfactant, thickener, preservative, antifreezing agent, defoaming agent are added simultaneously as auxiliary agent, by limiting each raw material
Percentage composition, so that each raw material is mutually acted synergistically, enhance avermectin aqueous suspension agent photostability, make preparation Avermectin
Plain aqueous suspension agent is placed 6 months at pH7.0,25 DEG C of environment, and active constituent content still maintains constant, and is had good
Thermal stability and low-temperature stability do not occur phenomena such as precipitating, agglomerating, freeze, and in the use process of field, to bollworm,
The lasting period of red spider is up to 7~10 days, is up to 3~4 days to the lasting period of diamondback moth.In short, abamectin water of the present invention is outstanding
Floating agent uses, association by being preferably added to antioxidant, UV absorbers, stabilizer and photomask agent, and with other additive compounds
Same synergy effectively overcomes avermectin preparation and is storing and adding the drawbacks of being oxidized photodissociation in use process, has drug effect
Significantly, to less toxic, at low cost, safety and environmental protection the advantage of human body.
The preparation method of avermectin aqueous suspension agent of the present invention, technical process is simple, easy to operate, easily controllable, is suitable for
Industrial application.
Specific embodiment
The technical scheme of the invention is described in detail through specific implementation examples.
Embodiment 1
A kind of avermectin aqueous suspension agent, is prepared by the raw material of following weight percentage: avermectin 10%,
BHA0.2%, 2-hydroxy-4-n-octoxybenzophenone 1%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates
0.5%, Nano-meter SiO_221%, desugar sodium lignin sulfonate 2%, fatty alcohol sulfate salt 2%, xanthan gum 0.2%, aluminium-magnesium silicate
1%, BIT0.3%, ethylene glycol 4%, organic silicon defoamer 0.2%, surplus are water.
The preparation method of above-mentioned avermectin aqueous suspension agent, concrete operation step are as follows:
1) avermectin, desugar sodium lignin sulfonate, fatty alcohol sulfate salt, BHA, 2- hydroxyl -4- n-octyloxy two are taken
Benzophenone, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.5%, Nano-meter SiO_22It is mixed with water, 3500rpm condition
Under, 40min is sheared, mixes, obtains mixture 1；
2) BIT, ethylene glycol and part silicone defoaming agent are taken, is added in mixture 1, through two tandem vertical conical sand
Grinding machine (model LS-30), continous way charging, charging rate 200L/h filter by 45 μm of aperture standard screens, obtain mixture 2；
3) xanthan gum, aluminium-magnesium silicate is taken to be added in mixture 2, it is homogeneous through high pressure homogenizer under the conditions of 3500rpm
40min obtains mixture 3；
4) remaining organic silicon defoamer is taken to be added in mixture 3 after defoaming to get the avermectin suspending agent again.
Embodiment 2
A kind of avermectin aqueous suspension agent, is prepared by the raw material of following weight percentage: avermectin 10%,
BHA 0.3%, 2-hydroxy-4-n-octoxybenzophenone 0.75%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates
0.75%, Nano-meter SiO_221.5%, desugar sodium lignin sulfonate 3%, fatty alcohol sulfate salt 3%, xanthan gum 0.2%, magnesium silicate
Aluminium 0.8%, BIT 0.15%, ethylene glycol 3%, organic silicon defoamer 0.15%, surplus are water.
The preparation method of above-mentioned avermectin aqueous suspension agent, concrete operation step are as follows:
1) avermectin, desugar sodium lignin sulfonate, fatty alcohol sulfate salt, BHA, 2- hydroxyl -4- n-octyloxy two are taken
Benzophenone, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.5%, Nano-meter SiO_22It is mixed with water, 3000rpm condition
Under, 45min is sheared, mixes, obtains mixture 1；
2) BIT, ethylene glycol and part silicone defoaming agent are taken, is added in mixture 1, through two tandem vertical conical sand
Grinding machine (model LS-30), continous way charging, charging rate 200L/h filter by 40 μm of aperture standard screens, obtain mixture 2；
3) xanthan gum, aluminium-magnesium silicate is taken to be added in mixture 2, it is homogeneous through high pressure homogenizer under the conditions of 3000rpm
45min obtains mixture 3；
4) remaining organic silicon defoamer is taken to be added in mixture 3 after defoaming to get the avermectin suspending agent again.
Embodiment 3
A kind of avermectin aqueous suspension agent, is prepared by the raw material of following weight percentage: avermectin 10%,
BHA 0.5%, 2-hydroxy-4-n-octoxybenzophenone 0.5%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates
1%, Nano-meter SiO_222%, desugar sodium lignin sulfonate 4%, fatty alcohol sulfate salt 4%, xanthan gum 0.2%, aluminium-magnesium silicate
1.3%, BIT 0.1%, ethylene glycol 5%, organic silicon defoamer 0.1%, surplus are water.
The preparation method of above-mentioned avermectin aqueous suspension agent, concrete operation step are as follows:
1) avermectin, desugar sodium lignin sulfonate, fatty alcohol sulfate salt, BHA, 2- hydroxyl -4- n-octyloxy two are taken
Benzophenone, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.5%, Nano-meter SiO_22It is mixed with water, 4000rpm condition
Under, 30min is sheared, mixes, obtains mixture 1；
2) BIT, ethylene glycol and part silicone defoaming agent are taken, is added in mixture 1, through two tandem vertical conical sand
Grinding machine (model LS-30), continous way charging, charging rate 200L/h filter by 50 μm of aperture standard screens, obtain mixture 2；
3) xanthan gum, aluminium-magnesium silicate is taken to be added in mixture 2, it is homogeneous through high pressure homogenizer under the conditions of 4000rpm
30min obtains mixture 3；
4) remaining organic silicon defoamer is taken to be added in mixture 3 after defoaming to get the avermectin suspending agent again.
Comparative example 1
This comparative example avermectin aqueous suspension agent, is prepared: avermectin by the raw material of following weight percentage
10%, BHT0.2%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.3%, 2- (2 '-hydroxyls -3 '-tertiary butyl -
5 '-aminomethyl phenyls) -5- chlorobenzotriazole 0.2%, NNO2%, peaceful cream No. 34 4%, agriculture breast No. 500 1%, aluminium-magnesium silicate 1.2%,
Phenylic acid sodium 0.1%, ethylene glycol 5%, organic silicon defoamer 0.2%, surplus are water.Preparation method is the same as embodiment 1.
Comparative example 2
This comparative example avermectin aqueous suspension agent, is prepared: avermectin by the raw material of following weight percentage
10%, BHT0.2%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.3%, 2- (2 '-hydroxyls -3 '-tertiary butyl -
5 '-aminomethyl phenyls) -5- chlorobenzotriazole 0.2%, Nano-meter SiO_221%, NNO2%, peaceful newborn No. 34 4%, agriculture breast No. 500 1%, silicon
Sour magnalium 1.2%, phenylic acid sodium 0.1%, ethylene glycol 5%, organic silicon defoamer 0.2%, surplus are water.Preparation method is the same as real
Apply example 1.
Comparative example 3
This comparative example avermectin aqueous suspension agent, is prepared: avermectin by the raw material of following weight percentage
10%, BHT0.2%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.3%, 2- (2 '-hydroxyls -3 '-tertiary butyl -
5 '-aminomethyl phenyls) -5- chlorobenzotriazole 0.2%, sodium lignin sulfonate 2%, fat alcohol polyethylene ether 4%, SOPA-540#
0.5%, aluminium-magnesium silicate 1.2%, phenylic acid sodium 0.1%, ethylene glycol 5%, organic silicon defoamer 0.2%, surplus are water.It is prepared
Method is the same as embodiment 1.
Comparative example 4
This comparative example avermectin aqueous suspension agent, is prepared: avermectin by the raw material of following weight percentage
10%, BHT0.2%, bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates 0.3%, 2- (2 '-hydroxyls -3 '-tertiary butyl -
5 '-aminomethyl phenyls) -5- chlorobenzotriazole 0.2%, Nano-meter SiO_221%, sodium lignin sulfonate 2%, fat alcohol polyethylene ether 4%,
SOPA-540#0.5%, aluminium-magnesium silicate 1.2%, phenylic acid sodium 0.1%, ethylene glycol 5%, organic silicon defoamer 0.2%, surplus are
Water.Preparation method is the same as embodiment 1.
1 toxicity test of test example
Test method: avermectin aqueous suspension agent prepared by Example 1 is as tested medicament, with the adult rat of health
For animal subject, acute oral toxicity test, acute dermal toxicity test and acute inhalation toxicity test are carried out respectively.
Test result shows that avermectin aqueous suspension agent prepared by the embodiment of the present invention 1 is to female, male rat acute
LD50It is 2000mg/kgBW, to mouse acute percutaneous LD female, great and mighty or powerful50It is 2000mg/kgBW, to female, male rat acute
Suck LC50It is 2116mg/L, avermectin aqueous suspension agent prepared by the embodiment of the present invention 1 known to above-mentioned test result is to big
Mouse shows hypotoxicity, it is possible thereby to infer, avermectin aqueous suspension agent prepared by the present invention has hypotoxicity to human body.
2 photo-stability testing of test example
Test method: the avermectin aqueous suspension agent 10ml that respectively prepared by Example 1, comparative example 1~4 is placed in 20W purple
Treatment with irradiation under outer lamp measures the content of avermectin therein after handling 24 hours respectively respectively.
The wherein measuring method of avermectin content are as follows: the avermectin standard aqueous solution for taking 5 concentration different respectively is adopted
With the absorption intensity of ultraviolet specrophotometer measurement various concentration avermectin standard aqueous solution, standard curve is drawn, is inhaled
The relational expression of intensity and avermectin concentration is received, after then measuring ultraviolet lamp treatment with irradiation respectively using ultraviolet specrophotometer
The absorption intensity of avermectin aqueous suspension agent prepared by embodiment 1 and comparative example 1~4, brings the absorption intensity into relational expression, i.e.,
Obtain the content of avermectin in avermectin aqueous suspension agent.
Test result: test result shows that avermectin content size is 1 > comparative example of embodiment, 4 > comparative example 3 > pairs
2 > comparative example 1 of ratio.
By above-mentioned test result it is found that the photostability of avermectin aqueous suspension agent prepared by the embodiment of the present invention 1 is better than
Comparative example 1~4 shows that avermectin aqueous suspension agent prepared by the present invention has strong photostability.
3 field medicine effect test of test example
1,2011, demonstration test has been carried out in Hebei province cotton region and Shandong Province cotton region, wherein in August, 2011 to September
At avermectin aqueous suspension agent 1 time of the cotton field application preparation of the embodiment of the present invention 1 in the Hebei province Gaoyang County South Asia Xing Jia, agent is used
108-162ml/ hectares of amount, 3 days after medicine, 7 days, the preventive effects of 10 days cotton boll worms be respectively 92.5%, 95.9%, 96.2%,
Regional natural enemy insect is tested without obvious decline, trial crops do not find there is visual influence to plant and plant product without phytotoxicity；In
The Avermectin that in July, 2011 is prepared by the cotton field application embodiment of the present invention 1 to August in the Yishui County in Shandong Province Mount Huang town village Zhong Zhudong
Plain aqueous suspension agent 1 time 108-162ml/ hectares of dosage, 3 days after medicine, 7 days, 10 days is respectively to the preventive effect of cotton red spider
93.52%, 96.51%, 98.15%, it tests regional natural enemy Chrysopa, ladybug, spider, hunt stinkbug, parasitic wasp etc. without obvious decline, examination
Crop is tested without phytotoxicity, does not find there is visual influence to plant and plant product.
Avermectin aqueous suspension agent prepared by embodiment 2 and embodiment 3 is to the control efficiency of bollworm and red spider with real
Apply example 1.
Above-mentioned test result shows: avermectin aqueous suspension agent of the present invention has significant prevention and treatment to bollworm and red spider
Effect, quick-acting is good, and has strong photostability, and the drug effect lasting period reaches 7~10 days.
2, in the diamondback moth on the agriculture base the limited liability company Nan Lang prevention and treatment cabbage heart of the Zhongshan City, Guangdong Province town Nan Lang China,
Avermectin aqueous suspension agent prepared by the embodiment of the present invention 1 is applied, dosage is 10mL/ mus, the results show that application 1 day, 2
It, 3 days, after 4 days be respectively 96%, 97%, 98%, 99% to diamondback moth control efficiency, and be on Brassica campestris leaves after being administered 7 days
Detect that avermectin remains.
Embodiment 2 and embodiment 3 are to the control efficiency of diamondback moth with embodiment 1.
Above-mentioned test result shows that avermectin aqueous suspension agent of the present invention has significant control efficiency, speed to diamondback moth
Effect property is good, and has strong photostability, and the drug effect lasting period reaches 3~4 days, and drug it is effective after the noresidue on plant, peace
Loopful is protected.
Claims (8)
1. a kind of avermectin aqueous suspension agent, which is characterized in that be prepared by the raw material of following weight percentage: Avermectin
Plain 10%, antioxidant 0.2%~0.5%, UV absorbers 0.5%~1%, light stabilizer 0.5%~1%, photomask agent
1%~2%, surfactant 6%~8%, thickener 1%~1.5%, preservative 0.1%~0.3%, antifreezing agent 3%~
5%, defoaming agent 0.1%~0.2%, surplus are water；Wherein the antioxidant is BHA；The UV absorbers are 2- hydroxyl
Base -4- oxy-octyl benzophenone；The light stabilizer is bis- (2,2,6,6- tetramethyl -4- piperidyl) sebacates；It is described
Photomask agent is Nano-meter SiO_22；The surfactant and its percentage composition are as follows: desugar sodium lignin sulfonate 3~4%, fatty alcohol
Sulfuric acid 3~4%；The thickener and its percentage composition are as follows: xanthan gum 0.2%, aluminium-magnesium silicate 0.8~1.3%.
2. avermectin aqueous suspension agent as described in claim 1, which is characterized in that the preservative is BIT.
3. avermectin aqueous suspension agent as described in claim 1, which is characterized in that the antifreezing agent is ethylene glycol.
4. avermectin aqueous suspension agent as described in claim 1, which is characterized in that the defoaming agent is organic silicon defoamer.
5. a kind of preparation method of such as described in any item avermectin aqueous suspension agents of Claims 1 to 4, which is characterized in that packet
It includes and each raw material is taken to be uniformly mixed to get the avermectin aqueous suspension agent.
6. the preparation method of avermectin aqueous suspension agent as claimed in claim 5, which is characterized in that each raw material mixing is equal
Even method particularly includes: take the former medicine of AVM, surfactant, antioxidant, UV absorbers, light stabilizer, optical screen
Agent and water mixing are covered, shearing homogenizes, and obtains mixture 1；Preservative, antifreezing agent and part defoaming agent are taken, is added in mixture 1, warp
Sand mill filters after being sanded, and obtains mixture 2；Take thickener, be added in mixture 2, through high pressure homogenizer mix it is homogeneous after, obtain mixed
Close object 3；It takes remaining defoaming agent to add mixture 3 again, that is, completes.
7. the preparation method of avermectin aqueous suspension agent as claimed in claim 6, which is characterized in that the shearing is homogenized to cut
Cutting revolving speed is 3000~4000rpm, and shear time is 30~45min.
8. the preparation method of avermectin aqueous suspension agent as claimed in claim 6, it is characterised in that the high pressure homogenizer is mixed
Closing homogeneous revolving speed is 3000~4000rpm, and mixing the homogeneous time is 30~45min.
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| CN106305710A (en) * | 2016-08-23 | 2017-01-11 | 安徽久易农业股份有限公司 | Herbicide suspension |
| CN107568215A (en) * | 2017-09-08 | 2018-01-12 | 广西田园生化股份有限公司 | Oxygen scavenger is being improved to the application in oxygen sensitivity agricultural chemicals stability and its method |
| CN107960406A (en) * | 2017-11-06 | 2018-04-27 | 南宁泰达丰生物科技有限公司 | A kind of method that agricultural chemicals suspension agent is prepared using high pressure homogenizer |
| CN110024798B (en) * | 2019-04-17 | 2021-10-08 | 河北兴柏农业科技有限公司 | Preparation method of abamectin water suspending agent |
| CN110663681A (en) * | 2019-10-17 | 2020-01-10 | 江西纳农新田科技有限公司 | Pesticide suspending agent and dry suspending agent and preparation method thereof |
| CN118160742B (en) * | 2024-05-13 | 2024-09-27 | 中科生物技术(山东)有限公司 | Suspending agent containing abamectin and efficient cyhalothrin and preparation method thereof |
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| CN102845440A (en) * | 2012-09-29 | 2013-01-02 | 湖南大乘医药化工有限公司 | Methylamino abamectin benzoate photolysis-proof antioxidant suspension agent |
| CN102860311A (en) * | 2012-09-29 | 2013-01-09 | 湖南大乘医药化工有限公司 | Abamectin anti-photolysis anti-oxidation suspending agent |
| CN103392735A (en) * | 2013-06-30 | 2013-11-20 | 广东中迅农科股份有限公司 | Pesticide suspending agent containing inorganic nano-material and preparation method thereof |
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