CN106818729A - One vegetative insecticide compounding chlorpyrifos microcapsule and preparation method thereof - Google Patents
One vegetative insecticide compounding chlorpyrifos microcapsule and preparation method thereof Download PDFInfo
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- CN106818729A CN106818729A CN201611153567.8A CN201611153567A CN106818729A CN 106818729 A CN106818729 A CN 106818729A CN 201611153567 A CN201611153567 A CN 201611153567A CN 106818729 A CN106818729 A CN 106818729A
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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
- A01N25/28—Microcapsules or nanocapsules
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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
- 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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- 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
- 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
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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
- 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]
- A01N65/26—Meliaceae [Chinaberry or Mahogany family], e.g. mahogany, langsat or neem
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention discloses vegetative insecticide compounding chlorpyrifos microcapsule and preparation method thereof, it is characterised in that be made up of the raw material of following weight portion：Chlopyrifos active compound 15 25, bentonite 30 50, argy wormwood essential oil 38, urea 30 40, DTAC 12, formaldehyde 60 70, appropriate hydrochloric acid, 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；Lichee disease pest can be effectively prevented and treated using vegetable insecticide.
Description
Technical field
The present invention relates to a kind of pesticidal preparations, and in particular to a vegetative insecticide compounds chlorpyrifos microcapsule and its preparation
Method.
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：
One vegetative insecticide compounds chlorpyrifos microcapsule, it is characterised in that be made up of the raw material of following weight portion：
Derris root 1-2, chlopyrifos active compound 15-25, bentonite 30-50, marigold root 2-3, argy wormwood essential oil 3-8, urea 30-40,
Azedarach 2-3, DTAC 1-2, formaldehyde 60-70, dodecyl sodium sulfate 1-2, appropriate hydrochloric acid, 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 chlorpyrifos microcapsule of described a kind of argy wormwood essential oil synergy, it is characterised in that be by following step
Suddenly it is made：
A. derris root, azedarach and marigold root are placed in dryer and are dried, be dispersed in water after pulverizing, 30-70 DEG C
Under, water-bath 3-4h, centrifugation obtains supernatant liquor；
B. bentonite suspension in fully dispersed to 100-200 parts distilled water of bentonite, will be made, dodecyl front three is added
Ammonium chloride, with the velocity fluctuation 3-5h, Zhi Hou of 130-160r/min in the thermostatic control oscillator vibration that temperature is 50-80 DEG C
10-20min is centrifuged under the rotating speed of 2000-4000 r/min, filters, drying obtains organobentonite；
C. step b gained organobentonites are dispersed in 50-100 parts of distilled water again and are made suspension, by step a gained
Supernatant liquor, chlopyrifos active compound, dodecyl sodium sulfate, argy wormwood essential oil dispersion in methyl alcohol, are added in above-mentioned suspension,
With the velocity fluctuation 3-5h of 130-160r/min in 20-40 DEG C of thermostatic control oscillator vibration, with distillation water washing after vacuum filtration
2-3 times, drying obtains final product load medicine organobentonite；
D. 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；
E. to adding step c gained to carry medicine organobentonite in the step d 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；Bentonite is modified with DTAC, reduces bentonitic hydrophily, it is right so as to improve its
The adsorbance of hydrophobicity chlopyrifos molecule and argy wormwood essential oil；It is introduced into organobentonite as carrier in microcapsules, not only can be with
The purpose for delaying insoluble drug release is reached, while increased the stability of micro-capsule suspension, extends the service life of agricultural chemicals；It is another
Aspect, argy wormwood essential oil can play important synergistic effect in chlopyrifos, reduce Pesticide use amount, reach environmental protection, sustainable development
The purpose of exhibition；Lichee disease pest can be effectively prevented and treated using vegetable insecticide.
Specific embodiment
Specific embodiment of the invention is further described with reference to embodiment.
Embodiment
One vegetative insecticide compounds chlorpyrifos microcapsule, it is characterised in that be made up of the raw material of following weight portion：
Derris root 2, chlopyrifos active compound 25, bentonite 50, marigold root 3, argy wormwood essential oil 8, urea 40, azedarach 3, dodecyl
Trimethyl ammonium chloride 2, formaldehyde 70, dodecyl sodium sulfate 2, appropriate hydrochloric acid, methyl alcohol 20, Sodium hydroxide q. s, styrene-Malaysia
Anhydride copolymers 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 chlorpyrifos microcapsule of described a kind of argy wormwood essential oil synergy, it is characterised in that be by following step
Suddenly it is made：
A. derris root, azedarach and marigold root are placed in dryer and are dried, be dispersed in water after pulverizing, 30-70 DEG C
Under, water-bath 3-4h, centrifugation obtains supernatant liquor；
B. bentonite suspension in fully dispersed to 100-200 parts distilled water of bentonite, will be made, dodecyl front three is added
Ammonium chloride, with the velocity fluctuation 3-5h, Zhi Hou of 130-160r/min in the thermostatic control oscillator vibration that temperature is 50-80 DEG C
10-20min is centrifuged under the rotating speed of 2000-4000 r/min, filters, drying obtains organobentonite；
C. step b gained organobentonites are dispersed in 50-100 parts of distilled water again and are made suspension, by step a gained
Supernatant liquor, chlopyrifos active compound, dodecyl sodium sulfate, argy wormwood essential oil dispersion in methyl alcohol, are added in above-mentioned suspension,
With the velocity fluctuation 3-5h of 130-160r/min in 20-40 DEG C of thermostatic control oscillator vibration, with distillation water washing after vacuum filtration
2-3 times, drying obtains final product load medicine organobentonite；
D. 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；
E. to adding step c gained to carry medicine organobentonite in the step d 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. a vegetative insecticide compounds chlorpyrifos microcapsule, it is characterised in that be made up of the raw material of following weight portion：
Derris root 1-2, chlopyrifos active compound 15-25, bentonite 30-50, marigold root 2-3, argy wormwood essential oil 3-8, urea 30-40,
Azedarach 2-3, DTAC 1-2, formaldehyde 60-70, dodecyl sodium sulfate 1-2, appropriate hydrochloric acid, 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 chlorpyrifos microcapsule of a kind of argy wormwood essential oil synergy according to claim 1, it is characterised in that
It is made up of following steps：
A. derris root, azedarach and marigold root are placed in dryer and are dried, be dispersed in water after pulverizing, 30-70 DEG C
Under, water-bath 3-4h, centrifugation obtains supernatant liquor；
B. bentonite suspension in fully dispersed to 100-200 parts distilled water of bentonite, will be made, dodecyl front three is added
Ammonium chloride, with the velocity fluctuation 3-5h, Zhi Hou of 130-160r/min in the thermostatic control oscillator vibration that temperature is 50-80 DEG C
10-20min is centrifuged under the rotating speed of 2000-4000 r/min, filters, drying obtains organobentonite；
C. step b gained organobentonites are dispersed in 50-100 parts of distilled water again and are made suspension, by step a gained
Supernatant liquor, chlopyrifos active compound, dodecyl sodium sulfate, argy wormwood essential oil dispersion in methyl alcohol, are added in above-mentioned suspension,
With the velocity fluctuation 3-5h of 130-160r/min in 20-40 DEG C of thermostatic control oscillator vibration, with distillation water washing after vacuum filtration
2-3 times, drying obtains final product load medicine organobentonite；
D. 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；
E. to adding step c gained to carry medicine organobentonite in the step d 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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| Application Number | Priority Date | Filing Date | Title |
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| CN201611153567.8A CN106818729A (en) | 2016-12-14 | 2016-12-14 | One vegetative insecticide compounding chlorpyrifos microcapsule and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611153567.8A CN106818729A (en) | 2016-12-14 | 2016-12-14 | One vegetative insecticide compounding chlorpyrifos microcapsule and preparation method thereof |
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| CN106818729A true CN106818729A (en) | 2017-06-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075419A (en) * | 2020-09-15 | 2020-12-15 | 江苏艾津作物科技集团有限公司 | Pesticide microcapsule suspending agent without residual emulsifier and preparation method thereof |
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 |
-
2016
- 2016-12-14 CN CN201611153567.8A patent/CN106818729A/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 |
|---|---|---|---|---|
| CN112075419A (en) * | 2020-09-15 | 2020-12-15 | 江苏艾津作物科技集团有限公司 | Pesticide microcapsule suspending agent without residual emulsifier and preparation method thereof |
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Application publication date: 20170613 |