CN104823972A - Pesticide synergist and preparation method - Google Patents
Pesticide synergist and preparation method Download PDFInfo
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- CN104823972A CN104823972A CN201510282658.0A CN201510282658A CN104823972A CN 104823972 A CN104823972 A CN 104823972A CN 201510282658 A CN201510282658 A CN 201510282658A CN 104823972 A CN104823972 A CN 104823972A
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- pesticide
- synergist
- fatty acid
- pesticide synergistic
- synergistic agent
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Abstract
The invention discloses a pesticide synergist and a preparation method and belongs to the technical field of pesticide. The pesticide synergist serving as a pesticide auxiliary and a synergist can be directly added during production of pesticide preparations, and can be sprayed before field atomizing of peasant households and after being mixed uniformly in a pesticide preparation product bucket. The pesticide synergist can be used as a functional auxiliary during processing of the pesticide preparations and can server as the pesticide synergist to lower surface tension, so that pesticide efficacy is improved. The pesticide synergist is suitable for all pesticide products and can be popularized and applied in pesticide preparation processing enterprises and peasant households.
Description
Technical field
What the present invention relates to is technical field of pesticide, specifically relates to and utilizes the character of fatty acid methyl ester to be deployed into stable in properties, compatible strong pesticide synergistic agent and preparation method thereof.
Background technology
Agricultural chemicals be for prevent, eliminate or control to endanger agricultural, the disease of forestry, worm, grass and other pests and on purpose regulate, control, affect plant and pest metabolism, growth, growth, reproductive process chemosynthesis or derive from mixture and the preparation thereof of a kind of material that biology, other natural productss and Applied Biotechnology produce or several material, be cereal crops, gourd, fruit and vegetable plant, requisite product in forestry.
Major part agricultural chemicals is water insoluble, not directly uses, and all needs to be processed into the formulation being applicable to using with each analog assistant and can play drug effect.But the surface due to plant is hydrophobic wax coat, spray with the pesticidal preparations product that a small amount of surfactant is produced, its wetting speed is comparatively slow, and contact area is less, and some even directly drops onto ground and causes fluid loss; In addition, due to pore effect, many tiny space Pesticide Infiltrations are not entered, and affect its control efficiency, result in pesticide efficacy low, cause waste.
The inactive of pesticide synergistic agent own, but during with certain combined use of pesticides, toxicity and the drug effect of agricultural chemicals can be increased substantially, be therefore widely used in all kinds of agricultural chemicals.Good synergist several times, decades of times can not only improve the control efficiency of agricultural chemicals, also delaying drug resistance can produce, extends the lifetime of hard-won pesticide species.
As several years ago promoted the larger pesticide synergistic agent organosilicon of amplitude, it is a kind of polysiloxane-based surfactant, be characterized in reducing surface tension, improving wetting and spreading, but itself is unstable to soda acid, also can decompose during moisture height, and expensive due to it, dragons and fishes jumbled together, uses cause certain risk to peasant household.
And fatty acid methyl ester is as novel plant resource product, there is nonhazardous, easily degraded, the excellent advantage such as wetting and spreading, low volatility, adhesive force, the resistance of rainwater washing against ability of liquid at plant surface can be strengthened.And himself have desinsection, sterilizing ability concurrently, therefore to agricultural chemicals, there is synergistic effect.
Visible, use inexpensive, stable fatty acid methyl ester as pesticide synergistic agent, avoid organosilyl shortcoming, have its advantage simultaneously concurrently, can vigorously promote the use in pesticidal preparations factory and terminal consumption.
Summary of the invention
The object of the invention is the synergist allocating a kind of fatty acids methyl esters, use for Pesticide formulation or as tank-mix adjuvants field, strengthen the attachment of liquid, wetting and spreading, give full play to agricultural chemicals availability, and environmentally friendly.
The present invention is achieved by the following technical solutions:
A kind of pesticide synergistic agent, this boosting components and each component weight percent content are:
Surfactant 5%-40%
Stabilizing agent (sodium hydroxide) 0-5%
Fatty acid methyl ester supplies 100%
Preferably, described fatty acid methyl ester is plant resource product, and be one or more in the vegetable oil of esterification, methyl oleate and biodiesel, component is for comprising C
6to C
22, the mixture of independent or multiple fatty acid methyl ester.
Preferably, described surfactant is one or more in the smooth and polysorbate of the addition condensation thing of calcium dodecyl benzene sulfonate, styryl phenyl APEO, styrylphenol formaldehyde resin polyoxyethylene polyoxypropylene block polyether, fatty alcohol-polyoxyethylene ether, castor oil and oxirane, multi-styrene phenylate phosphate, fatty glyceride, fatty acid sorb.
Preferably, described stabilizing agent is one or more in pH adjusting agent, antioxidant and ultraviolet absorber.
Preferably, described pH adjusting agent comprises one or more in citric acid, hydrochloric acid, acetic acid, sodium hydroxide, potassium hydroxide, diethanol amine and triethanolamine;
Described antioxidant comprise in epoxidized soybean oil, butylated hydroxy anisole, dibutyl hydroxy toluene, Tea Polyphenols and vitamin e one or more;
Described ultraviolet absorber comprise in septichen phenyl ester, BTA, ESCALOL 567 one or more.
The preparation method of pesticide synergistic agent: take surfactant, stabilizing agent and fatty acid methyl ester respectively according to formulation ratio, mixing, stirring, become homogeneous working fluid, namely make pesticide synergistic agent.
Advantage of the present invention:
1. fatty acid methyl ester has excellent wetting and spreading, can reduce the contact angle of liquid and plant surface, is easy to as surface spreading; There is low volatility, liquid can be extended on crop, sprawl the time, make liquid give full play to drug effect; There is the effect of dissolving wax coat, liquid is fully absorbed by plants, to the agricultural chemicals of some systemic actions, rapid-action.
2. the raw material of fatty acid methyl ester is vegetable oil, or produces the by product after edible oil, wide material sources, and the difficult problem solving the process of edible oil plant-site by-product product.
3. because raw material are cheap and easy to get, so the synergist cost of this invention is compared with organosilicon, cost is lower, almost without pressure when pesticidal preparations factory and peasant household use.It derives from reproducible plant, and nontoxic to people, crop, environmentally safe, easily degrades.
4. synergist of the present invention and pesticide active ingredient and the excellent compatibility of other surfactants, directly can add use when producing preparation, conveniently produces; Also in field and the mixed spraying of pesticidal preparations bucket, agricultural chemicals preventive effect can be improved.
Embodiment
The present invention is described in further detail by the following examples.
The preparation of embodiment 1. pesticide synergistic agent
(1)
Preparation method: styryl phenyl APEO, calcium dodecyl benzene sulfonate, butylated hydroxy anisole, methyl oleate are pressed formula rate accurate weighing, put into stirred tank, speed of agitator 1000rpm, mixing time 60min, after all materials mix, both obtained pesticide synergistic agent.
(2)
Preparation method: the addition condensation thing of styryl phenyl APEO, castor oil and oxirane, BTA, biodiesel are pressed formula rate accurate weighing, put into stirred tank, speed of agitator 1000rpm, mixing time 60min, after all materials mix, both obtained pesticide synergistic agent.
(3)
Preparation method: smooth to fatty alcohol-polyoxyethylene ether, fatty acid sorb, polysorbate, esterification soybean oil are pressed formula rate accurate weighing, put into stirred tank, speed of agitator 1000rpm, mixing time 60min, after all materials mix, both obtained pesticide synergistic agent.
Embodiment 2. Field information example
(1) synergist application example: for the comparative trial of weed killer herbicide 15% mesotrione suspending agent, 38% atrazine suspending agent synergist
Adopt greenhouse pot culture method, every pelvic surface of sacrum amasss 200cm2, and sow barnyard grass or Amaranthus retroflexus seed that vernalization shows money or valuables one carries unintentionally, soil is loam, and be placed in cultivation greenhouse in, in greenhouse, day temperature is 5 DEG C, 28 DEG C of soil, and be 5 DEG C, 23 DEG C of soil in the evening; Relative moisture is 75% soil 5%.Process in weeds 3 ~ 4 leaf phase.Dispenser thinning the previous day, every basin retains 10, weeds, and adopt the spraying of Potter shower nozzle, spouting liquid is 450kg/hm2, contrast spray clear water, and each process repeats 4 times, test repetition 4 times.After process, certain hour investigation preventive effect, weighs weeds acrial part fresh weight, calculates fresh weight inhibition.
Fresh weight inhibition (%)=(contrast fresh weight-process fresh weight)/contrast fresh weight × 100
Table 1 product of the present invention is used for the comparative test result of herbicide synergy
As can be seen from Table 1, the enhancement effect of fatty acid methyl ester synergist to mesotrione, atrazine management of weeds is obvious.
(2) synergist application example: for the comparative trial of non-internal-absorting insecticide 4.5% r, 50% Profenofos missible oil synergist
The preparation of 4.5% r: take 95% beta-cypermethrin 5 grams, the synergist that embodiment 1 obtains takes 95 grams, stirs and beta-cypermethrin is dissolved completely, namely make 4.5% r.
The preparation of 40% Profenofos missible oil: take 90% beta-cypermethrin 45 grams, the synergist that embodiment 1 obtains takes 55 grams, stirs and Profenofos is dissolved completely, namely make 40% Profenofos missible oil
Select mythimna separata for examination insect, pick up from field, indoor feeding, select health 3 instar larvae that growing way is consistent.Chemicals treatment mode adopts infusion process, places 10 mythimna separatas, enter in above-mentioned 250 times of liquids, take out after 30min, blot the unnecessary liquid of insect body surface immediately with filter paper, repeat 5 times in stainless steel sarong.Chemicals treatment is placed on (25 ± 1) DEG C, extract after 3h in the incubator of relative moisture (65 ± 5) %.
Extracting method: mythimna separata body surface: with 50mL benzene-benzinum (5+95, V/V) drip washing, solvent concentration after drip washing, to 5mL, enters gas chromatograph for determination beta-cypermethrin content, is to keep mythimna separata body surface here and do not penetrate into dose (m in insect bodies
outward).In mythimna separata body: the mythimna separata after organic solvent drip washing is placed in mortar, add after a small amount of anhydrous sodium sulfate grinds together, add 20mL acetone-petroleum ether (50+50, V/V), suction filtration after ultrasonic extraction 5min, filtrate separates upper organic phase, the appropriate benzinum of lower floor's aqueous phase extracts 2 times, merge organic facies and be concentrated into 5mL, entering gas chromatograph for determination beta-cypermethrin content, be the dose (m penetrated in mythimna separata body
in).Permeability (%)=m
in/ (m
in+ m
outward) × 100
Table 2 product of the present invention is used for the comparative test result of non-internal-absorting insecticide synergy
As can be seen from table, the permeability of fatty acid methyl ester synergist to non-internal-absorting insecticide beta-cypermethrin, Profenofos has obvious humidification (auxiliary agent and synergist).
(3) synergist application example: for the comparative trial of non-internal-absorting bactericide 75% tpn wetting powder, 50% carbendazol wettable powder synergist
Experimental subjects is cucumber anthracnose, is summarized as follows table through field experiment
Table 3 product of the present invention is used for the comparative test result of non-internal-absorting bactericide synergy
As can be seen from table, the synergistic effect of fatty acid methyl ester synergist to non-internal-absorting bactericide tpn and Duo Jun is obvious.
It is to be noted; the foregoing is only the preferred embodiment explaining the present invention; not attempt does any restriction in form to the present invention according to this; be with; all any modification or changes having the relevant the present invention that does under identical invention spirit, all must be included in the category that the invention is intended to protection.
Claims (6)
1. a pesticide synergistic agent, is characterized in that, this boosting components and each component weight percent content are:
Surfactant 5%-40%
Stabilizing agent 0-5%
Fatty acid methyl ester supplies 100%.
2. pesticide synergistic agent according to claim 1, is characterized in that, described fatty acid methyl ester is plant resource product, and be one or more in the vegetable oil of esterification, methyl oleate and biodiesel, component is for comprising C
6to C
22, the mixture of independent or multiple fatty acid methyl ester.
3. pesticide synergistic agent according to claim 1 and 2, it is characterized in that, described surfactant is one or more in the smooth and polysorbate of the addition condensation thing of calcium dodecyl benzene sulfonate, styryl phenyl APEO, styrylphenol formaldehyde resin polyoxyethylene polyoxypropylene block polyether, fatty alcohol-polyoxyethylene ether, castor oil and oxirane, multi-styrene phenylate phosphate, fatty glyceride, fatty acid sorb.
4. pesticide synergistic agent according to claim 3, is characterized in that, described stabilizing agent is one or more in pH adjusting agent, antioxidant and ultraviolet absorber.
5. pesticide synergistic agent according to claim 4, is characterized in that, described pH adjusting agent comprise in citric acid, hydrochloric acid, acetic acid, sodium hydroxide, potassium hydroxide, diethanol amine and triethanolamine one or more;
Described antioxidant comprise in epoxidized soybean oil, butylated hydroxy anisole, dibutyl hydroxy toluene, Tea Polyphenols and vitamin e one or more;
Described ultraviolet absorber comprise in septichen phenyl ester, BTA, ESCALOL 567 one or more.
6. the preparation method of pesticide synergistic agent according to claim 5, is characterized in that, takes surfactant, stabilizing agent and fatty acid methyl ester respectively according to formulation ratio, and mixing, stirring, become homogeneous working fluid, namely make pesticide synergistic agent.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106106446A (en) * | 2016-06-20 | 2016-11-16 | 河南中天恒信生物化学科技有限公司 | A kind of plant source high effective additives and synthetic method thereof |
| CN106259496A (en) * | 2016-08-15 | 2017-01-04 | 卞佳林 | A kind of flowering cherry insecticide of Synergistic and preparation method thereof |
| CN108024534A (en) * | 2015-07-09 | 2018-05-11 | 阿普雷斯拉伯斯有限公司 | Inhibitor to the enzyme for assigning pesticide resistance |
| CN108094426A (en) * | 2017-12-01 | 2018-06-01 | 陕西日日新生物科技有限公司 | A kind of plant source type pesticide synergistic agent and preparation method thereof |
| CN108353900A (en) * | 2018-03-09 | 2018-08-03 | 黄胜 | A kind of pesticide synergistic agent and preparation method thereof |
| CN108849871A (en) * | 2018-08-22 | 2018-11-23 | 苏州丰倍生物科技有限公司 | Environment-friendly oil phase for dispersible oil suspending agent containing mesosulfuron-methyl and preparation method thereof |
| CN109095986A (en) * | 2018-08-28 | 2018-12-28 | 潍坊康恩地生物技术有限公司 | A kind of compound plant source Water-solubility foliar fertilizer and preparation method thereof with sterilizing function |
| CN109258634A (en) * | 2018-11-08 | 2019-01-25 | 江西普菲迅抗性杂草防治有限公司 | A kind of pesticide synergistic volume increase auxiliary agent and preparation method thereof |
| CN112592224A (en) * | 2020-12-15 | 2021-04-02 | 山东农大肥业科技有限公司 | Method for preparing sprayable liquid silicon fertilizer by using rice hulls |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024534A (en) * | 2015-07-09 | 2018-05-11 | 阿普雷斯拉伯斯有限公司 | Inhibitor to the enzyme for assigning pesticide resistance |
| US11122801B2 (en) | 2015-07-09 | 2021-09-21 | Apreslabs Ltd. | Inhibitors of enzymes that confer pesticide resistance |
| CN106106446A (en) * | 2016-06-20 | 2016-11-16 | 河南中天恒信生物化学科技有限公司 | A kind of plant source high effective additives and synthetic method thereof |
| CN106259496A (en) * | 2016-08-15 | 2017-01-04 | 卞佳林 | A kind of flowering cherry insecticide of Synergistic and preparation method thereof |
| CN108094426A (en) * | 2017-12-01 | 2018-06-01 | 陕西日日新生物科技有限公司 | A kind of plant source type pesticide synergistic agent and preparation method thereof |
| CN108353900A (en) * | 2018-03-09 | 2018-08-03 | 黄胜 | A kind of pesticide synergistic agent and preparation method thereof |
| CN108849871A (en) * | 2018-08-22 | 2018-11-23 | 苏州丰倍生物科技有限公司 | Environment-friendly oil phase for dispersible oil suspending agent containing mesosulfuron-methyl and preparation method thereof |
| CN108849871B (en) * | 2018-08-22 | 2021-02-23 | 苏州丰倍生物科技有限公司 | Environment-friendly oil phase for dispersible oil suspending agent containing mesosulfuron-methyl and preparation method thereof |
| CN109095986A (en) * | 2018-08-28 | 2018-12-28 | 潍坊康恩地生物技术有限公司 | A kind of compound plant source Water-solubility foliar fertilizer and preparation method thereof with sterilizing function |
| CN109258634A (en) * | 2018-11-08 | 2019-01-25 | 江西普菲迅抗性杂草防治有限公司 | A kind of pesticide synergistic volume increase auxiliary agent and preparation method thereof |
| CN112592224A (en) * | 2020-12-15 | 2021-04-02 | 山东农大肥业科技有限公司 | Method for preparing sprayable liquid silicon fertilizer by using rice hulls |
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Application publication date: 20150812 |