CN106818730A - A kind of argy wormwood essential oil synergy chlorpyrifos microcapsule of anti-soil block and preparation method thereof - Google Patents
A kind of argy wormwood essential oil synergy chlorpyrifos microcapsule of anti-soil block and preparation method thereof Download PDFInfo
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- CN106818730A CN106818730A CN201611153568.2A CN201611153568A CN106818730A CN 106818730 A CN106818730 A CN 106818730A CN 201611153568 A CN201611153568 A CN 201611153568A CN 106818730 A CN106818730 A CN 106818730A
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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
- A01N25/08—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 solids as carriers or diluents
- A01N25/10—Macromolecular compounds
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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
- 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
- A01N25/08—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 solids as carriers or diluents
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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
- A01N25/26—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 in coated particulate form
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing heterocyclic radicals
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- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/12—Asteraceae or Compositae [Aster or Sunflower family], e.g. daisy, pyrethrum, artichoke, lettuce, sunflower, wormwood or tarragon
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Abstract
Argy wormwood essential oil synergy chlorpyrifos microcapsule the invention discloses a kind of anti-soil block and preparation method thereof, it is characterised in that be made up of the raw material of following weight portion：Sodium pyrophosphate 12, chlopyrifos active compound 15 25, bentonite 30 50, rice bran 23, argy wormwood essential oil 38, urea 30 40, formaldehyde 60 70, appropriate hydrochloric acid, silica 23, methyl alcohol 10 20, Sodium hydroxide q. s, maleic anhydride of styrene copolymerization sodium salt 25, Sodium Polyacrylate 23, distilled water 250 800；The present invention is introduced into organobentonite as carrier in microcapsules, can not only reach the purpose for delaying insoluble drug release, while increased the stability of micro-capsule suspension, extends the service life of agricultural chemicals；The bentonite processed through sodium pyrophosphate can prevent soil block.
Description
Technical field
The present invention relates to a kind of pesticidal preparations, and in particular to a kind of argy wormwood essential oil micro- glue of synergy chlopyrifos of anti-soil block
Capsule and preparation method thereof.
Background technology
Microcapsule suspending agent is technology content highest one kind in current pesticides new formulation.It is made with macromolecular material
It is cyst wall, by chemistry, physics or physicochemical method, will be wrapped up as the pesticidal active substance of the capsule heart, forms one
Plant the microencapsulation with pellicle.And stably disperse them using certain concentration to be suspended in as in the water of continuous phase.
The pesticidal preparations of microencapsulation have the following advantage compared with regular dosage form agricultural chemicals：1. control release technic is introduced, is prolonged
The lasting period of agricultural chemicals has been grown, dispenser quantity and frequency has been reduced, the utilization rate of agricultural chemicals has been improved, pesticide dosage has been saved.2. agricultural chemicals is improved
Stability（Especially to biogenic pesticide）, it is to avoid because of environmental factor such as illumination, air, rainwater, soil, microorganism and other changes
Learn material and cause decomposition, oxidation, loss of active ingredient etc..Oil phase is separated from the water 3., some water unstables are difficult to
It is processed into the agricultural chemicals of microemulsion and aqueous emulsion（Such as part organophosphorus pesticide）, then microcapsules are suitably processed as, expand making for agricultural chemicals
With scope, the compounding capacity with other agricultural chemicals is improved.4. suppress the volatility of agricultural chemicals, shelter offending smell, reduce agricultural chemicals
Contact toxicity, toxicity on inhalation to people, animal, fish and other animals and the poisoning to crop, alleviate pressure of the agricultural chemicals to environment.
Zhao De exists《Lauxite prepares chlorpyrifos microcapsule and performance characterization》In, it is prepared for poison by wall material of Lauxite
Dead tick microcapsules, but also exist that dispersiveness, stability are not ideal enough, and slow release is not good enough, environmental protection, health, sustainable development reason
Read shortcoming.
The content of the invention
Thinking based on more than, the present invention is intended to provide a kind of stabilization, had good sustained release effect, good disinsection effect, while symbol
Cyclization guarantor, sustainable development idea.
The technical problems to be solved by the invention take following technical scheme to realize：
The argy wormwood essential oil synergy chlorpyrifos microcapsule of a kind of anti-soil block, it is characterised in that be by the raw material of following weight portion
It is made：
Sodium pyrophosphate 1-2, chlopyrifos active compound 15-25, bentonite 30-50, rice bran 2-3, argy wormwood essential oil 3-8, urea 30-40, first
Aldehyde 60-70, appropriate hydrochloric acid, silica 2-3, methyl alcohol 10-20, Sodium hydroxide q. s, styrene-maleic anhydride copolymer sodium salt 2-
5, Sodium Polyacrylate 2-3, distilled water 250-800；
The mass fraction of the formaldehyde is 30~40%, and the mass fraction of hydrochloric acid is 20-30%, and NaOH mass fraction is
20-40。
The preparation method of the argy wormwood essential oil synergy chlorpyrifos microcapsule of described a kind of anti-soil block, it is characterised in that
It is made up of following steps：
A. sodium pyrophosphate is dissolved into 5-10 parts of distilled water and obtains reaction solution, mixing is equal during reaction solution is added into bentonite
It is even to obtain reaction material, reaction material is placed in microwave generator, under conditions of microwave irradiation power is 650-680 W, radiation
Heating 3-5 minutes, natural cooling is crushed to 150~200 mesh, obtains modified alta-mud；
B. step a gained modified alta-mud, rice bran, silica are dispersed in 50-100 parts of distilled water and are made suspension again
Liquid, by chlopyrifos active compound, the dissolving of argy wormwood essential oil in methyl alcohol, is added in above-mentioned suspension, is shaken in 20-40 DEG C of water bath with thermostatic control
Swing with the velocity fluctuation 3-5h of 130-160r/min on device, with water washing is distilled 2-3 times after vacuum filtration, drying obtains final product load medicine
Organobentonite；
C. urea, formaldehyde and 100-150 part of distilled water is mixed, is 8-9 with NaOH regulation system pH value, be warming up to
65~70 DEG C, stirring reaction 40-80min obtains the Lauxite prepolymer aqueous solution；
D. to adding step b gained to carry medicine organobentonite in the step c gained prepolymer aqueous solution, styrene-Malaysia is added
Anhydride copolymers sodium salt and Sodium Polyacrylate are used as emulsifying agent and dispersant, the rotating speed stirring 10-30min of 1300-1600 r/min
Afterwards, it is 1.5-2.5 to reduce and added in batches in rotating speed to 700-900 r/min, 40-80min hydrochloric acid regulation system pH values；
Rotating speed is progressively down to 100-300 r/min, is progressively warming up to 50-80 DEG C of solidification cyst wall, after reaction 30-60min, adds hydrogen-oxygen
It is neutrality to change sodium regulation system pH values, obtains final product chlopyrifos microcapsule suspending agent.
The beneficial effects of the invention are as follows：Using situ aggregation method, microencapsulation is carried out to chlopyrifos using Lauxite, can
To be largely overcoming organic solvent pollution environment, waste of resource that the usually used missible oil formulation of chlopyrifos brought
Problem, while extend the lasting period, the effective rate of utilization that improves agricultural chemicals, the decomposition for avoiding agricultural chemicals are lost in, mitigate toxicity and
Poisoning；It is introduced into organobentonite as carrier in microcapsules, can not only reaches the purpose for delaying insoluble drug release, while increases
The stability of micro-capsule suspension, extends the service life of agricultural chemicals；On the other hand, argy wormwood essential oil can be played in chlopyrifos
Important synergistic effect, reduces Pesticide use amount, reaches environmental protection, the purpose of sustainable development；Through the bentonite that sodium pyrophosphate is processed
Soil block can be prevented.
Specific embodiment
Specific embodiment of the invention is further described with reference to embodiment.
Embodiment
The argy wormwood essential oil synergy chlorpyrifos microcapsule of a kind of anti-soil block, it is characterised in that be by following weight portion
Raw material is made：
Sodium pyrophosphate 2, chlopyrifos active compound 25, bentonite 50, rice bran 3, argy wormwood essential oil 8, urea 40, formaldehyde 70, appropriate hydrochloric acid, two
Silica 3, methyl alcohol 20, Sodium hydroxide q. s, styrene-maleic anhydride copolymer sodium salt 5, Sodium Polyacrylate 3, distilled water 800；
The mass fraction of the formaldehyde is 30~40%, and the mass fraction of hydrochloric acid is 20-30%, and NaOH mass fraction is
20-40。
The preparation method of the argy wormwood essential oil synergy chlorpyrifos microcapsule of described a kind of anti-soil block, it is characterised in that
It is made up of following steps：
A. sodium pyrophosphate is dissolved into 5-10 parts of distilled water and obtains reaction solution, mixing is equal during reaction solution is added into bentonite
It is even to obtain reaction material, reaction material is placed in microwave generator, under conditions of microwave irradiation power is 650-680 W, radiation
Heating 3-5 minutes, natural cooling is crushed to 150~200 mesh, obtains modified alta-mud；
B. step a gained modified alta-mud, rice bran, silica are dispersed in 50-100 parts of distilled water and are made suspension again
Liquid, by chlopyrifos active compound, the dissolving of argy wormwood essential oil in methyl alcohol, is added in above-mentioned suspension, is shaken in 20-40 DEG C of water bath with thermostatic control
Swing with the velocity fluctuation 3-5h of 130-160r/min on device, with water washing is distilled 2-3 times after vacuum filtration, drying obtains final product load medicine
Organobentonite；
C. urea, formaldehyde and 100-150 part of distilled water is mixed, is 8-9 with NaOH regulation system pH value, be warming up to
65~70 DEG C, stirring reaction 40-80min obtains the Lauxite prepolymer aqueous solution；
D. to adding step b gained to carry medicine organobentonite in the step c gained prepolymer aqueous solution, styrene-Malaysia is added
Anhydride copolymers sodium salt and Sodium Polyacrylate are used as emulsifying agent and dispersant, the rotating speed stirring 10-30min of 1300-1600 r/min
Afterwards, it is 1.5-2.5 to reduce and added in batches in rotating speed to 700-900 r/min, 40-80min hydrochloric acid regulation system pH values；
Rotating speed is progressively down to 100-300 r/min, is progressively warming up to 50-80 DEG C of solidification cyst wall, after reaction 30-60min, adds hydrogen-oxygen
It is neutrality to change sodium regulation system pH values, obtains final product chlopyrifos microcapsule suspending agent.
Performance test data of the invention is：5d burst size≤37.32% before microcapsules.
Claims (2)
1. the argy wormwood essential oil synergy chlorpyrifos microcapsule of a kind of anti-soil block, it is characterised in that be by the original of following weight portion
Material is made：
Sodium pyrophosphate 1-2, chlopyrifos active compound 15-25, bentonite 30-50, rice bran 2-3, argy wormwood essential oil 3-8, urea 30-40, first
Aldehyde 60-70, appropriate hydrochloric acid, silica 2-3, methyl alcohol 10-20, Sodium hydroxide q. s, styrene-maleic anhydride copolymer sodium salt 2-
5, Sodium Polyacrylate 2-3, distilled water 250-800；
The mass fraction of the formaldehyde is 30~40%, and the mass fraction of hydrochloric acid is 20-30%, and NaOH mass fraction is
20-40。
2. the preparation method of the argy wormwood essential oil synergy chlorpyrifos microcapsule of a kind of anti-soil block according to claim 1,
Characterized in that, being made up of following steps：
A. sodium pyrophosphate is dissolved into 5-10 parts of distilled water and obtains reaction solution, mixing is equal during reaction solution is added into bentonite
It is even to obtain reaction material, reaction material is placed in microwave generator, under conditions of microwave irradiation power is 650-680 W, radiation
Heating 3-5 minutes, natural cooling is crushed to 150~200 mesh, obtains modified alta-mud；
B. step a gained modified alta-mud, rice bran, silica are dispersed in 50-100 parts of distilled water and are made suspension again
Liquid, by chlopyrifos active compound, the dissolving of argy wormwood essential oil in methyl alcohol, is added in above-mentioned suspension, is shaken in 20-40 DEG C of water bath with thermostatic control
Swing with the velocity fluctuation 3-5h of 130-160r/min on device, with water washing is distilled 2-3 times after vacuum filtration, drying obtains final product load medicine
Organobentonite；
C. urea, formaldehyde and 100-150 part of distilled water is mixed, is 8-9 with NaOH regulation system pH value, be warming up to
65~70 DEG C, stirring reaction 40-80min obtains the Lauxite prepolymer aqueous solution；
D. to adding step b gained to carry medicine organobentonite in the step c gained prepolymer aqueous solution, styrene-Malaysia is added
Anhydride copolymers sodium salt and Sodium Polyacrylate are used as emulsifying agent and dispersant, the rotating speed stirring 10-30min of 1300-1600 r/min
Afterwards, it is 1.5-2.5 to reduce and added in batches in rotating speed to 700-900 r/min, 40-80min hydrochloric acid regulation system pH values；
Rotating speed is progressively down to 100-300 r/min, is progressively warming up to 50-80 DEG C of solidification cyst wall, after reaction 30-60min, adds hydrogen-oxygen
It is neutrality to change sodium regulation system pH values, obtains final product chlopyrifos microcapsule suspending agent.
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|---|---|---|---|
| CN201611153568.2A CN106818730A (en) | 2016-12-14 | 2016-12-14 | A kind of argy wormwood essential oil synergy chlorpyrifos microcapsule of anti-soil block and preparation method thereof |
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| CN201611153568.2A CN106818730A (en) | 2016-12-14 | 2016-12-14 | A kind of argy wormwood essential oil synergy chlorpyrifos microcapsule of anti-soil block and preparation method thereof |
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| CN106818730A true CN106818730A (en) | 2017-06-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956812A (en) * | 2018-07-01 | 2018-12-07 | 广东建研环境监测有限公司 | The detection method of water-soluble Organochlorine Pesticide Residues in a kind of soil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362590A (en) * | 2011-11-11 | 2012-02-29 | 中国农业科学院植物保护研究所 | Microencapsulated pesticide preparation |
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2016
- 2016-12-14 CN CN201611153568.2A patent/CN106818730A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362590A (en) * | 2011-11-11 | 2012-02-29 | 中国农业科学院植物保护研究所 | Microencapsulated pesticide preparation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956812A (en) * | 2018-07-01 | 2018-12-07 | 广东建研环境监测有限公司 | The detection method of water-soluble Organochlorine Pesticide Residues in a kind of soil |
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Application publication date: 20170613 |