CN102428913B - Microemulsion insecticide and production process thereof - Google Patents
Microemulsion insecticide and production process thereof Download PDFInfo
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- CN102428913B CN102428913B CN201110356929.4A CN201110356929A CN102428913B CN 102428913 B CN102428913 B CN 102428913B CN 201110356929 A CN201110356929 A CN 201110356929A CN 102428913 B CN102428913 B CN 102428913B
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Abstract
The invention discloses a microemulsion insecticide which comprises 2.5-40% of crude insecticide, 5-40% of methanol, 5-10% of dimethylformamide, 1% of tri-butyl-phosphate, 4-6% of tristyrylphenol polyoxyethylene polyoxypropylene ether, 4-6% of phenethyl isopropylphenol polyoxyethylene ether, 4-6% of nonylphenol polyoxyethylene ether, 10% of white sugar and the balance of water. The microemulsion insecticide has the advantages of wide scope of application, stable dosage form, less than 1% of decomposition rate, stability higher than missible oil, obvious synergism, insecticidal effect increased by 30%, simple formulation and convenience for production.
Description
Technical field
The present invention relates to a kind of insecticide, specifically a kind of microemulsion insecticide and production technology thereof, belong to micro emulsion field of pesticides.
Background technology
Microemulsion is comprised of liquid pesticide, surfactant, water, stabilizing agent etc., belong to thermodynamics through time stable dispersion, mainly take water as medium, containing or less containing organic solvent, thereby do not fire not quick-fried, production operation, storing is safe, low in the pollution of the environment, saves a large amount of organic solvents; Pesticide dispersion degree is high, reaches miniaturization degree, and agricultural chemicals particle is generally 0.1～0.01 micron, and outward appearance is similar to transparent or sub-translucent liquid; Good dispersion in water is strong to target body permeability, adhesive force good.
Yet, often there is the problems such as layering, crystallization, muddiness, floccule in present microemulsion product, particularly in the north of-20 ℃, as areas such as Heilungkiang, the Inner Mongol in market, also there will be the phenomenon of freezing, thereby greatly affected the development of this formulation in technical field of pesticide.In addition, the organic solvent adding in microemulsion--stupid kind solvent is as toluene, dimethylbenzene and stupid etc., and environmental pollution is serious.Meanwhile, in the field of pesticides in microemulsion, as organophosphorus insecticide, pyrethrin pesticide, carbamate etc. also there will be the outstanding problem that resolution ratio is higher.
Summary of the invention
In order to address the above problem, the invention provides a kind of microemulsion insecticide and production technology thereof, by adding after dimethyl formamide, methyl alcohol, tbp, triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, phenethyl cumenyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether and white sugar, the product forms obtaining is stablized, synergy is remarkable, and preparation method is simple.
Technical scheme of the present invention is:
, by the one-tenth of following percetage by weight, be grouped into:
2.5-40% former medicine, 5-40% methyl alcohol, 5-10% dimethyl formamide, 1% tbp, 4-6% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 4-6% phenethyl cumenyl phenol polyethenoxy ether, 4-6% polyoxyethylene nonylphenol ether, 10% white sugar, water complementary;
Wherein, described former medicine is that organophosphorus insecticides is as chlopyrifos, Hostathion; Pyrethroid pesticide is as beta-cypermethrin, gamma cyhalothrin, cyfloxylate; Carbamate is as Methomyl, carbosulfan etc.; Organic chlorine agriculture chemicals is as 5a,6,9,9a-hexahydro-6,9-methano-2,4; Nereistoxin pesticide is as desinsection list, dimehypo etc.; Chitin synthesis inhibitor class agricultural chemicals is as diafenthiuron, HEXAFLUMURON etc.; Biogenic substances agricultural chemicals is tieed up salt, Avermectin, matrine etc. as first.
Preferably, the one-tenth by following percetage by weight is grouped into:
10% former medicine, 20% methyl alcohol, 8% dimethyl formamide, 1% tbp, 5% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 5% phenethyl cumenyl phenol polyethenoxy ether, 5% polyoxyethylene nonylphenol ether, 10% white sugar, water complementary.
Methyl alcohol, claims again " another name for " or " another name for ", is the colourless volatile liquid of alcohol smell that has, for the manufacture of formaldehyde and agricultural chemicals etc., and as the denaturant of organic extractant and alcohol etc.;
Dimethyl formamide, DMF, is a kind of transparency liquid, energy and water and majority of organic solvent dissolve each other; In agricultural chemicals for the synthesis of higher effective and lower toxic pesticide insecticide;
Tbp, is dissolved in most of organic solvents and hydro carbons, insoluble or be slightly soluble in glycerine, hexylene glycol and amine.In the present invention, with used as stabilizers, do not degrade;
Triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, cas 99734-09-5, molecular formula C
30h
24o
.(C
2h
4o) N, model 1601, in the present invention as emulsifier and stabilizing agent, reduces resolution ratio;
Phenethyl cumenyl phenol polyethenoxy ether, a kind of for emulsifier, model is No. 600-2, agriculture breast, uses in the present invention used as stabilizers, reduces resolution ratio;
Polyoxyethylene nonylphenol ether, has another name called OP-10, and this product has good infiltration, emulsification, dispersion, antiacid, alkali resistant, anti-hard water, anti-reduction, oxidation resistance, in the present invention as emulsifier and stabilizing agent;
White sugar, the refined sugar that the molasses of being squeezed out by sugarcane and beet are made, main component is sucrose.In the present invention, by adding white sugar, can play the effect of synergy, insecticidal effect can increase by 30%.
The production technology of above-mentioned microemulsion insecticide, comprises the following steps:
(1) according to above-mentioned formula, take each raw material;
(2) first former medicine is joined in agitator tank, then methyl alcohol, dimethyl formamide are joined in agitator tank, stir 15-25 minute;
(3) triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, phenethyl cumenyl phenol polyethenoxy ether and polyoxyethylene nonylphenol ether are joined in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
The invention has the advantages that:
1, applied widely: former medicine can adopt organophosphorus insecticides as chlopyrifos, Hostathion; Pyrethroid pesticide is as beta-cypermethrin, gamma cyhalothrin, cyfloxylate; Carbamate is as Methomyl, carbosulfan etc.; Organic chlorine agriculture chemicals is as 5a,6,9,9a-hexahydro-6,9-methano-2,4; Nereistoxin pesticide is as desinsection list, dimehypo etc.; Chitin synthesis inhibitor class agricultural chemicals is as diafenthiuron, HEXAFLUMURON etc.; Biogenic substances agricultural chemicals is tieed up the materials such as salt, Avermectin, matrine as first;
2, formulation is stable: by adding after triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, phenethyl cumenyl phenol polyethenoxy ether and polyoxyethylene nonylphenol ether, in 60 ℃ of 60 days resolution ratios of heat storage, be less than 1%, cold storage-25 ℃ do not freeze non-crystallizable for 60 days, higher than missible oil stability;
3, synergy is remarkable: after white sugar, than normally improving more than 30% with content formula insecticidal effect with formulation, greatly improved the validity of agricultural chemicals;
4, formula is simple, convenient for production: only need an agitator tank, working condition requires low.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Except as otherwise noted, the percentage adopting in the present invention is percetage by weight.
Embodiment 1
1% first dimension salt microemulsion
One-tenth by following percetage by weight is grouped into:
1% first dimension salt, 10% methyl alcohol, 1% tbp, 4%OP-10,4%1601,4%600-2,10% white sugar, 7% DMF; Water complementary.
Production technology:
(1) according to above-mentioned formula, take each raw material;
(2) first first is tieed up to the former medicine of salt and joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) by OP-10,1601 and 600-2 join in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely; Described 600-2 and 1601 is first heated to 50 ℃ to the liquid of transparent flow before adding;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.1%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days;
Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 30%.
Embodiment 2
5% beta-cypermethrin microemulsion
One-tenth by following percetage by weight is grouped into:
27% beta-cypermethrin benzene oil: 5%; Methyl alcohol: 30%; OP-10:6%; Tbp: 1%; 1601:6%; 600-2:6%; DMF:10%; White sugar: 10%; Water: supply.
Production technology:
(1) according to above-mentioned formula, take each raw material;
(2) first the former medicine of 7% beta-cypermethrin benzene oil is joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) by OP-10,1601 and 600-2 join in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely; Described 600-2 and 1601 first heats 45 ℃ to the liquid of transparent flow before adding;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.9%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days;
Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 35%.
Embodiment 3
4% high chloromethane dimension salt microemulsion
One-tenth by following percetage by weight is grouped into:
27% high chlorobenzene oil: 3.7%; First dimension salt: 0.3%; Methyl alcohol: 20%; Tbp: 1%; DMF:5%; OP-10:6%; 1601:6%; 602:6%; White sugar: 10%
Water: supply.
Production technology:
(1) according to above-mentioned formula, take each raw material;
(2) first 27% beta-cypermethrin benzene oil and the former medicine of first dimension salt are joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) then by OP-10,1601 and 600-2 join in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely; Described 600-2 and 1601 first heats 40 ℃ to the liquid of transparent flow before adding;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.8%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days;
Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 35%.
Embodiment 4
15% gamma cyhalothrin microemulsion
One-tenth by following percetage by weight is grouped into:
15% gamma cyhalothrin: 15%; Methyl alcohol: 10%; DMF:10%; OP-10:6%; Tbp 1%; 1601:6%; 600-2:6%; White sugar: 10%; Water: supply.
Production technology:
(1) according to above-mentioned formula, take each raw material;
(2) first the former medicine of 15% gamma cyhalothrin is joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) by OP-10,1601 and 600-2 join in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely; Described 600-2 and 1601 first heats 45 ℃ to the liquid of transparent flow before adding;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.2%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days; Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 39%.
Embodiment 5
1.8% avermectin micro-emulsion
One-tenth by following percetage by weight is grouped into:
Avermectin: 1.8%; Methyl alcohol: 30%; DMF:10%; Tbp 1%; OP-10:4%; 1601:4%; 602:4%; White sugar: 10%; Water: supply.
Production technology:
(1) according to above-mentioned formula, take each raw material;
(2) first the former medicine of Avermectin is joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) by OP-10,1601 and 600-2 join in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely; Described 600-2 and 1601 first heats 50 ℃ to the liquid of transparent flow before adding;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain preparation.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.5%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days; Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 38%.
Embodiment 6
10% dimehypo microemulsion
One-tenth by following percetage by weight is grouped into:
10% former medicine dimehypo, 20% methyl alcohol, 8% dimethyl formamide, 1% tbp, 5% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 5% phenethyl cumenyl phenol polyethenoxy ether, 5% polyoxyethylene nonylphenol ether, 10% white sugar, water complementary.
Production technology is identical with embodiment 1.
Result:
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.1%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days; Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 40%.
Embodiment 7
5% triazophos micro-emulsion
One-tenth by following percetage by weight is grouped into:
Hostathion: 5%; Methyl alcohol: 30%; OP-10:6%; Tbp: 1%; 1601:6%; 600-2:6%; DMF:10%; White sugar: 10%; Water: supply.
Production technology is with embodiment 1.
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.6%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days; Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 37%.
Embodiment 8
15% HEXAFLUMURON microemulsion
One-tenth by following percetage by weight is grouped into:
HEXAFLUMURON: 15%; Methyl alcohol: 30%; OP-10:6%; Tbp: 1%; 1601:6%; 600-2:6%; DMF:6%; White sugar: 10%; Water: supply.
Production technology is with embodiment 1.
In 60 ℃ of 60 days resolution ratios of heat storage, be 0.8%, cold storage-25 ℃ do not freeze non-crystallizable in 60 days; Synergy is remarkable: by comparative trial, preparation of the present invention is compared with the insecticide of former medicine content with formulation with routine, and other condition is identical, and insecticidal effect increases by 40%.
In each embodiment of the present invention, chemical industry material used is material used in the production of this area, all can from market, obtain, and can not exert an influence for production result; The equipment of using in each operation, all adopts conventional equipment used in current production, there is no special feature.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a microemulsion insecticide, is characterized in that: the one-tenth by following percetage by weight is grouped into:
2.5-40% former medicine, 5-40% methyl alcohol, 5-10% dimethyl formamide, 1% tbp, 4-6% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 4-6% phenethyl cumenyl phenol polyethenoxy ether, 4-6% polyoxyethylene nonylphenol ether, 10% white sugar, water complementary;
Wherein, described former medicine is a kind of in Hostathion, beta-cypermethrin, gamma cyhalothrin, cyfloxylate, desinsection list, dimehypo, first dimension salt, Avermectin.
2. microemulsion insecticide according to claim 1, is characterized in that: the one-tenth by following percetage by weight is grouped into:
10% former medicine, 20% methyl alcohol, 8% dimethyl formamide, 1% tbp, 5% triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, 5% phenethyl cumenyl phenol polyethenoxy ether, 5% polyoxyethylene nonylphenol ether, 10% white sugar, water complementary.
3. a production technology for microemulsion insecticide as claimed in claim 1, is characterized in that, comprises the following steps:
(1) according to above-mentioned formula, take each raw material;
(2) first former medicine is joined in agitator tank, then methyl alcohol, DMF are joined in agitator tank, stir 15-25 minute;
(3) triphenyl vinyl phenol polyoxyethylene poly-oxygen propylene aether, phenethyl cumenyl phenol polyethenoxy ether and polyoxyethylene nonylphenol ether are joined in the agitator tank of above-mentioned steps (2), stir 25-35 minute, to dissolving completely;
(4) finally water, white sugar, tbp are joined in the agitator tank of above-mentioned steps (3), stir 25-35 minute, obtain formulation products.
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| CN201110356929.4A CN102428913B (en) | 2011-11-11 | 2011-11-11 | Microemulsion insecticide and production process thereof |
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| CN102428913B true CN102428913B (en) | 2014-01-22 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102960352A (en) * | 2012-12-13 | 2013-03-13 | 河南科技学院 | Compound pesticide |
| CN104170831A (en) * | 2013-05-23 | 2014-12-03 | 海安县国力化工有限公司 | Pesticide |
| CN104273179A (en) * | 2013-07-11 | 2015-01-14 | 青岛罗素生物技术有限公司 | Preparation method of oxymatrine aqueous solution |
| CN104106565A (en) * | 2013-10-21 | 2014-10-22 | 曾立雄 | Novel water-emulsion type solvent capable of replacing xylene |
| CN103651525B (en) * | 2013-12-06 | 2015-05-20 | 济南凯因生物科技有限公司 | Missible oil for controlling meadow moth |
| CN103814941B (en) * | 2014-01-26 | 2016-03-02 | 上海艳紫化工科技有限公司 | HEXAFLUMURON and cypermethrin compounded agricultural chemicals suspension agent |
| CN104872150B (en) * | 2014-02-27 | 2017-02-15 | 山西科谷生物农药有限公司 | Plant source quick result insecticidal composition and preparation method and application thereof |
| WO2023173248A1 (en) * | 2022-03-14 | 2023-09-21 | 江苏龙灯化学有限公司 | Fungicidal composition comprising tetraconazole and metrafenone |
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