CN107788007A - A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof - Google Patents

A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof Download PDF

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Publication number
CN107788007A
CN107788007A CN201610757475.4A CN201610757475A CN107788007A CN 107788007 A CN107788007 A CN 107788007A CN 201610757475 A CN201610757475 A CN 201610757475A CN 107788007 A CN107788007 A CN 107788007A
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China
Prior art keywords
thiacloprid
biphenthrin
micro
capsule suspension
capsule
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CN201610757475.4A
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Chinese (zh)
Inventor
苑志军
成庆勇
徐海燕
温林峰
毕强
韩文山
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Shengnong Biological-Chemical Products Co Ltd Shanghai
Shanghai Shengnong Pesticide Co Ltd
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Shengnong Biological-Chemical Products Co Ltd Shanghai
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Priority to CN201610757475.4A priority Critical patent/CN107788007A/en
Publication of CN107788007A publication Critical patent/CN107788007A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N53/00Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/02Biocides, 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
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, 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
    • A01N25/26Biocides, 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
    • A01N25/28Microcapsules or nanocapsules
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides

Abstract

The invention provides a kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof.The Biphenthrin thiacloprid micro-capsule suspension includes following each component by mass percentage:Biphenthrin:1%~20%;Thiacloprid:1%~40%;Cyst material:6%~10%;Capsule-core solvent:15%~20%;Emulsifying agent:1%~5%;Thickener:0.1%~1%;Dispersant:3%~5%;Antifreezing agent:1%~5%;Preservative:0.1%~0.5%;PH adjusting agent:1%~3%;Surplus is water.The preparation method, Biphenthrin microcapsules oil phase is obtained to coagulate legal system again, is sanded with wet method and thiacloprid suspending agent aqueous phase is made, final products are then prepared in the presence of shear-mixed;The micro-capsule suspension has the function that slowly release, improves the lasting period, so as to improve quick-acting and lasting effect, reduces frequency of usage, reduces the usage amount of agricultural chemicals;Technique is simple, can effectively realize volume production, thus has very high application value.

Description

A kind of Biphenthrin-thiacloprid micro-capsule suspension and preparation method thereof
Technical field
The invention belongs to bactericide field, and in particular to a kind of Biphenthrin-thiacloprid micro-capsule suspension and its preparation Method.
Background technology
It is well known that growth of the disease to crops has very big harm, and agricultural chemicals rises in preventing and treating plant disease pest, disease Main function.In recent years, the average annual Pesticide use amount in China is excessive, and wherein majority is chemical pesticide, thus caused by environment it is dirty Dye and food-safety problem are increasingly serious, endanger the health of the mankind, it is seen that less toxic, efficient, the environment-friendly novel agrochemical of exploitation It is the main outlet for realizing agricultural product security.
Thiacloprid (Thiacloprid) is new chloro nicotinic insecticide, acts on insect nerve engagement caudacoria, passes through Combined with nAChR, interference insect nervous system normal conduction, cause the obstruction of neural channel, cause acetyl courage A large amount of accumulation of alkali so that insect exaltation, general spasticity, paralysis and it is dead;Thiacloprid have stronger interior suction, tag and Stomach poison function, it is one of efficient medicament for preventing and treating pierce-suck type and pests with chewing mouthparts.
Biphenthrin belongs to pyrethroid insectide, can control bollworm, two-spotted spider mite, small heart-eating peach worm, the small food heart of pears Worm, tetranychus viennensis, citrus red mite, macula lutea stinkbug, eating attraction, vegetable aphid, cabbage caterpillar, diamondback moth, eggplant red spider, Caloptiliatheivora etc. 20 Various pests.
However, in actual applications, there are some defects in thiacloprid, the independent dispenser of Biphenthrin or compounding use, For example, agricultural chemicals quick-acting is not good enough, overall usage amount is excessive, and the lasting period falls short of, the technical problems such as spraying times are excessive.
Pesticide micro capsule suspending agent refers to form the small appearance of nucleocapsid structure using natural or synthesis high polymer material Device, by agricultural chemicals cladding wherein, and it is suspended in the formulations of pesticide in water.It includes cyst wall and capsule-core two parts, and capsule-core is that agricultural chemicals has It is the high polymer material of film forming to imitate composition and solvent, cyst wall.This formulation is divided into continuous phase and discontinuous phase, continuous phase be water and Auxiliary agent, discontinuous phase are the agricultural chemicals tiny capsules being wrapped by.Microcapsule method is an important application in prepared by the formulations of pesticide Technology, compared with conventional pesticide technology, microcapsules have protection core material material exempt from it is influenced by environmental conditions, make pesticide activity The decomposition rate of composition slows down, reduces pesticide activity component volatilization loss, so as to obtain the utilization rate for improving active component, extends Its lasting period, the advantages that reducing the number and frequency of dispenser.
The content of the invention
In order to overcome shortcomings and deficiencies present in above-mentioned prior art, inventor is answered Biphenthrin and thiacloprid Match somebody with somebody, using Biphenthrin-thiacloprid after compounding as the active ingredient of the micro-capsule suspension, also, inventor intends fully profit With this one dosage type low temperature of micro-capsule suspension, a kind of significant Biphenthrin of synergistic effect-thiacloprid micro-capsule suspension is prepared, and Obtain excellent prevention effect.
Therefore, the first aspect of the present invention provides a kind of Biphenthrin-thiacloprid micro-capsule suspension, and its feature exists In the Biphenthrin-thiacloprid micro-capsule suspension includes following each component by mass percentage:Biphenthrin:1%~ 20%;Thiacloprid:1%~40%;Cyst material:6%~10%;Capsule-core solvent:15%~20%;Emulsifying agent:1%~5%; Thickener:0.1%~1%;Dispersant:3%~5%;Antifreezing agent:1%~5%;Preservative:0.1%~0.5%;PH is adjusted Agent:1%~3%;Surplus is water.Wherein, the water is preferably deionization soft water.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the cyst material is selected from following any It is or a variety of:Arabic gelatin, gum arabic, Lauxite, isocyanates, polyamine, melamine resin.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the capsule-core solvent is rosin-based plant Oil.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the emulsifying agent is that plant source anacardol gathers Oxygen ethene-oxypropylene block type polyethers.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the thickener is selected from following any: Xanthans, white carbon, Magnesiumaluminumsilicate.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the dispersant is selected from following any: Carboxylate, plant source cardanol polyoxyethylene ether phosphate, naphthalene sulfonate, alkylsulfonate, sodium alkyl benzene sulfonate, alkylnaphthalene sulphur Hydrochlorate, alkylphenol-polyethenoxy base sodium sulphate.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the antifreezing agent is ethylene glycol or the third three Alcohol.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the preservative is sodium benzoate or different thiophene Oxazoline ketone.
Preferably, in above-mentioned Biphenthrin-thiacloprid micro-capsule suspension, the pH adjusting agent is selected from following any It is or a variety of:Hydrochloric acid, sodium hydroxide, glacial acetic acid, triethanolamine.
It can be seen that Biphenthrin provided by the present invention-thiacloprid micro-capsule suspension, be using Biphenthrin and thiacloprid as Active ingredient, be equipped with cyst material, capsule-core solvent, emulsifying agent, thickener, dispersant, antifreezing agent, preservative, water and formed Micro-capsule suspension.Wherein, the plant source anacardol PULLRONIC F68 block type polyethers as emulsifying agent, as capsule The turpentine-based vegetable oil of core solvent, it is not only cheap and easy to get, and there is no toxic action to environment, obtained microcapsules is suspended Agent aids in improving the prevention effect of Biphenthrin and thiacloprid, and reduces the production cost of agricultural chemicals.
The second aspect of the present invention, there is provided a kind of Biphenthrin described in first aspect present invention-thiacloprid microcapsules hang The preparation method of floating agent, comprises the following steps:
(1) Biphenthrin, capsule-core solvent are weighed by proportioning, added in container, temperature control heating, is sufficiently stirred, with completely molten Solve Biphenthrin;Add emulsifying agent and cyst material, stirring and dissolving, and using pH adjusting agent regulation system pH value to 5~ 7, Biphenthrin microcapsules oil phase is made;
(2) thiacloprid, dispersant, thickener, preservative, antifreezing agent and water are weighed by proportioning, added in another container, After being sufficiently stirred, carry out homogeneous shearing and be sanded, thiacloprid suspending agent aqueous phase is made;
(3) in the presence of homogeneous shearing, by the Biphenthrin microcapsules oil phase and the thiacloprid suspending agent aqueous phase Mixing, the Biphenthrin-thiacloprid micro-capsule suspension is made.
In summary, the preparation method of Biphenthrin provided by the invention-thiacloprid micro-capsule suspension, to coagulate legal system again Biphenthrin microcapsules oil phase is obtained, is sanded with wet method and thiacloprid suspending agent aqueous phase is made, then made in the presence of shear-mixed Standby final products;The micro-capsule suspension has slowly release, improves the effect of lasting period, which not only improves Biphenthrin- The quick-acting of thiacloprid, meets the use demand of peasant, while also improves the lasting effect of preparation, reduces the Pesticide use frequency, Reduce the usage amount of agricultural chemicals.In addition, the technique of the preparation method is simple, volume production can be effectively realized, thus should with very high With value.
In addition, Biphenthrin of the present invention-thiacloprid micro-capsule suspension is compared with prior art, at least have with Lower beneficial effect:
(1) the successful compounding of Biphenthrin and thiacloprid, there is obvious synergy synergy, it is seen that prevention effect is obvious Improve, reduce Pesticide use amount, effectively reduce environmental pollution and residues of pesticides, reduce the harm to beneficial organism;(2) it is quick-acting Property good and lasting effect grow, so as to save spraying times, reduce labour cost;(3) preparation method and obtained pesticide agent Type is green, has good market potential.
Brief description of the drawings
Fig. 1 is the process chart of the preparation method of Biphenthrin of the present invention-thiacloprid micro-capsule suspension.
Embodiment
With reference to embodiment, the present invention is further elaborated, but the present invention is not limited to following embodiment party Formula.
Embodiment 1
The matter of Biphenthrin-thiacloprid micro-capsule suspension, wherein each component is prepared using technological process as shown in Figure 1 Measuring percentage is:
Wherein, cyst material is Arabic gelatin, and capsule-core solvent is turpentine-based vegetable oil, and emulsifying agent is plant source anacardol PULLRONIC F68 block type polyethers, thickener are xanthans, and dispersant is naphthalene sulfonate, and antifreezing agent is glycerine, are prevented Rotten agent is sodium benzoate, and pH adjusting agent is glacial acetic acid and triethanolamine.
10g Biphenthrins, 10g turpentine-based vegetable oils are weighed, is added in container, temperature control heating, is sufficiently stirred, with completely molten Solve Biphenthrin;3g plant source anacardol PULLRONIC F68 block type polyethers and 10g Arab gelatin are added, is stirred Dissolving is mixed, and using the pH value of glacial acetic acid and triethanolamine regulation system to 5~7, Biphenthrin microcapsules oil phase is made;Weigh 30g thiacloprids, 3g naphthalene sulfonates, 0.2g xanthans, 0.1g sodium benzoates, 4g glycerine and 27.7g water, add another container In, after being sufficiently stirred, it is added in sand mill, carries out homogeneous shearing and be sanded, thiacloprid suspending agent aqueous phase is made;Sheared in homogeneous In the presence of, the Biphenthrin microcapsules oil phase is mixed with the thiacloprid suspending agent aqueous phase, (40% active ingredient is made Content) Biphenthrin-thiacloprid micro-capsule suspension.
Embodiment 2
The matter of Biphenthrin-thiacloprid micro-capsule suspension, wherein each component is prepared using technological process as shown in Figure 1 Measuring percentage is:
Wherein, cyst material is isocyanates, and capsule-core solvent is turpentine-based vegetable oil, and emulsifying agent is that plant source anacardol gathers Oxygen ethene-oxypropylene block type polyethers, thickener are xanthans, and dispersant is carboxylate, and antifreezing agent is ethylene glycol, preservative For sodium benzoate, pH adjusting agent is glacial acetic acid and triethanolamine.
15g Biphenthrins, 15g turpentine-based vegetable oils are weighed, is added in container, temperature control heating, is sufficiently stirred, with completely molten Solve Biphenthrin;4g plant source anacardol PULLRONIC F68 block type polyethers and 7g isocyanates are added, stirring is molten Solution, and using the pH value of glacial acetic acid and triethanolamine regulation system to 5~7, Biphenthrin microcapsules oil phase is made;Weigh 25g Thiacloprid, 2.5g carboxylates, 0.1g xanthans, 0.1g sodium benzoates, 4g ethylene glycol and 28.3g water, are added in another container, After being sufficiently stirred, it is added in sand mill, carries out homogeneous shearing and be sanded, thiacloprid suspending agent aqueous phase is made;In homogeneous shearing Under effect, the Biphenthrin microcapsules oil phase is mixed with the thiacloprid suspending agent aqueous phase, obtained (40% active ingredient contains Amount) Biphenthrin-thiacloprid micro-capsule suspension.
Embodiment 3
The matter of Biphenthrin-thiacloprid micro-capsule suspension, wherein each component is prepared using technological process as shown in Figure 1 Measuring percentage is:
Wherein, cyst material is melamine resin, and capsule-core solvent is turpentine-based vegetable oil, and emulsifying agent is that plant source anacardol gathers Oxygen ethene-oxypropylene block type polyethers, thickener are xanthans, and dispersant is plant source cardanol polyoxyethylene ether phosphoric acid Ester, antifreezing agent are glycerine, and preservative is sodium benzoate, and pH adjusting agent is glacial acetic acid.
5g Biphenthrins, 10g turpentine-based vegetable oils are weighed, is added in container, temperature control heating, is sufficiently stirred, with completely molten Solve Biphenthrin;3g plant source anacardol PULLRONIC F68 block type polyethers and 6g melamine resins are added, stirring is molten Solution, and use the pH value of glacial acetic acid regulation system that Biphenthrin microcapsules oil phase is made to 5~7;Weigh 30g thiacloprids, 3g plants Material resource cardanol polyoxyethylene ether phosphate, 0.2g xanthans, 0.1g sodium benzoates, 5g glycerine and 36.7g water, add another In individual container, after being sufficiently stirred, it is added in sand mill, carries out homogeneous shearing and be sanded, thiacloprid suspending agent aqueous phase is made;Equal In the presence of matter shearing, the Biphenthrin microcapsules oil phase is mixed with the thiacloprid suspending agent aqueous phase, obtained (35% has Effective component content) Biphenthrin-thiacloprid micro-capsule suspension.
Embodiment 4
The matter of Biphenthrin-thiacloprid micro-capsule suspension, wherein each component is prepared using technological process as shown in Figure 1 Measuring percentage is:
Wherein, cyst material claps natural gum for me and I claps gelatin, and capsule-core solvent is turpentine-based vegetable oil, and emulsifying agent is Plant source anacardol PULLRONIC F68 block type polyethers, thickener are Magnesiumaluminumsilicate, and dispersant is alkyl phenol polyoxy second Alkenyl sodium sulphate, antifreezing agent are glycerine, and preservative is sodium benzoate, and pH adjusting agent is glacial acetic acid.
10g Biphenthrins, 20g turpentine-based vegetable oils are weighed, is added in container, temperature control heating, is sufficiently stirred, with completely molten Solve Biphenthrin;Add 5g plant source anacardol PULLRONIC F68 block type polyethers and 6g I clap natural gum+I Gelatin, stirring and dissolving are clapped, and uses the pH value of glacial acetic acid regulation system that Biphenthrin microcapsules oil phase is made to 5~7;Weigh 10g thiacloprids, 2.5g alkylphenol-polyethenoxy bases sodium sulphate, 0.2g Magnesiumaluminumsilicates, 0.1g sodium benzoates, 4g glycerine and 41.2g water, add in another container, after being sufficiently stirred, be added in sand mill, carry out homogeneous shearing and be sanded, thiophene worm is made Quinoline suspending agent aqueous phase;In the presence of homogeneous shearing, by the Biphenthrin microcapsules oil phase and the thiacloprid suspending agent water Mix, (20% active constituent content) Biphenthrin-thiacloprid micro-capsule suspension is made.
In order to prove that there is significant preventive effect containing Biphenthrin of the present invention-thiacloprid micro-capsule suspension, invention People has carried out following crop field effect experiment:
A. wild cabbage diamondback moth is entered in field using Biphenthrin-thiacloprid micro-capsule suspension made from embodiment 1~4 The row test of pesticide effectiveness, wherein can be divided with 100g/L Biphenthrins missible oil, 40% thiacloprid suspending agent, 15% thiacloprid-Biphenthrin It is comparison medicament to dissipate oil-suspending agent, and experimental result is shown in Table 1:
The field efficacy of 1 Biphenthrin of table-thiacloprid micro-capsule suspension preventing and treating wild cabbage diamondback moth
Data result in table 1 shows, Biphenthrin-thiacloprid micro-capsule suspension in 1-3 days to wild cabbage diamondback moth Prevention effect be above 95%, be significantly better than comparison medicament;In terms of holding effect sex expression, Biphenthrin-thiacloprid microcapsules Suspending agent is in the prevention effect of 28 days up to more than 70%, and the prevention effect at 42 days is also higher than 64%, generally better than control Medicament;Show that the sustained release performance of the formulation is excellent.
B. use Biphenthrin-thiacloprid micro-capsule suspension made from embodiment 1~4 in field to tea tree smaller green leaf hopper The test of pesticide effectiveness is carried out, wherein can with 100g/L Biphenthrins missible oil, 40% thiacloprid suspending agent, 15% thiacloprid-Biphenthrin Scattered oil-suspending agent is comparison medicament, and experimental result is shown in Table 2:
The field efficacy of 2 Biphenthrins of table-thiacloprid micro-capsule suspension preventing and treating tea tree smaller green leaf hopper
Data result in table 2 shows, Biphenthrin-thiacloprid micro-capsule suspension in 1-7 days to the small greenery of tea tree The prevention effect of cicada is above 90%, is significantly better than comparison medicament;In terms of holding effect sex expression, the micro- glue of Biphenthrin-thiacloprid For capsule suspending agent in the prevention effect of 28 days up to more than 70%, the prevention effect at 42 days is also higher than 65%, generally better than pair According to medicament;Show that the sustained release performance of the formulation is excellent.
C. citrus red mite is entered in field using Biphenthrin-thiacloprid micro-capsule suspension made from embodiment 1~4 The row test of pesticide effectiveness, wherein can be divided with 100g/L Biphenthrins missible oil, 40% thiacloprid suspending agent, 15% thiacloprid-Biphenthrin It is comparison medicament to dissipate oil-suspending agent, and experimental result is shown in Table 3:
The field efficacy of 3 Biphenthrins of table-thiacloprid micro-capsule suspension preventing and treating citrus red mite
Data result in table 3 shows, Biphenthrin-thiacloprid micro-capsule suspension in 1-7 days to citrus red mite Prevention effect be above 94%, be significantly better than comparison medicament;In terms of holding effect sex expression, Biphenthrin-thiacloprid microcapsules Suspending agent is in the prevention effect of 28 days up to more than 75%, and the prevention effect at 42 days is also higher than 66%, generally better than control Medicament;Show that the sustained release performance of the formulation is excellent.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and Modification, all should be contained within the scope of the invention.

Claims (10)

1. a kind of Biphenthrin-thiacloprid micro-capsule suspension, it is characterised in that the Biphenthrin-thiacloprid microcapsules hang Floating agent includes following each component by mass percentage:Biphenthrin:1%~20%;Thiacloprid:1%~40%;Cyst material:6% ~10%;Capsule-core solvent:15%~20%;Emulsifying agent:1%~5%;Thickener:0.1%~1%;Dispersant:3%~5%;Antifreezing agent:1% ~5%;Preservative:0.1%~0.5%;PH adjusting agent:1%~3%;Surplus is water.
2. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the cyst material Selected from following any one or more:Arabic gelatin, gum arabic, Lauxite, isocyanates, polyamine, melamine resin.
3. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the capsule-core solvent For turpentine-based vegetable oil.
4. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the emulsifying agent is Plant source anacardol PULLRONIC F68 block type polyethers.
5. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the thickener choosing From following any:Xanthans, white carbon, Magnesiumaluminumsilicate.
6. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the dispersant choosing From following any:Carboxylate, plant source cardanol polyoxyethylene ether phosphate, naphthalene sulfonate, alkylsulfonate, benzene sulfonamide Sour sodium, alkylnaphthalene sulfonate, alkylphenol-polyethenoxy base sodium sulphate.
7. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the antifreezing agent is Ethylene glycol or glycerine.
8. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the preservative is Sodium benzoate or OIT.
9. Biphenthrin according to claim 1-thiacloprid micro-capsule suspension, it is characterised in that the pH adjusting agent Selected from following any one or more:Hydrochloric acid, sodium hydroxide, glacial acetic acid, triethanolamine.
A kind of 10. preparation side of Biphenthrin-thiacloprid micro-capsule suspension according to any one of claim 1 ~ 9 Method, it is characterised in that comprise the following steps:
(1)Biphenthrin, capsule-core solvent are weighed by proportioning, is added in container, temperature control heating, is sufficiently stirred, to be completely dissolved connection Benzene chrysanthemum ester;Emulsifying agent and cyst material, stirring and dissolving are added, and uses the pH value of pH adjusting agent regulation system to be made to 5 ~ 7 Biphenthrin microcapsules oil phase;
(2)Thiacloprid, dispersant, thickener, preservative, antifreezing agent and water are weighed by proportioning, is added in another container, fully After stirring, carry out homogeneous shearing and be sanded, thiacloprid suspending agent aqueous phase is made;
(3)In the presence of homogeneous shearing, the Biphenthrin microcapsules oil phase is mixed with the thiacloprid suspending agent aqueous phase, The Biphenthrin-thiacloprid micro-capsule suspension is made.
CN201610757475.4A 2016-08-29 2016-08-29 A kind of Biphenthrin thiacloprid micro-capsule suspension and preparation method thereof Pending CN107788007A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111972429A (en) * 2020-08-21 2020-11-24 重庆中邦药业(集团)有限公司 Preparation method of double-microcapsule longicorn pesticide

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