CN103314957A - Sodium abietate insecticide and preparation method thereof - Google Patents
Sodium abietate insecticide and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a sodium abietate insecticide and a preparation method thereof. The sodium abietate insecticide is a water dispersible granule containing 15wt% of sodium abietate. The preparation method comprises the following steps of: A, weighting a soluble powder containing 20wt% of sodium abietate, and mechanically crushing into granules of 180-200meshes; B, evenly mixing the soluble powder containing 20wt% of sodium abietate, sugar-free sodium lignin sulfonate, sodium sulfate and a dispersant, and crushing the mixture by a jet mill at the pressure of 600kg; C, dropwise adding a liquid substance, evenly stirring, and prilling by a rotary granulator; and D, placing in a thermostat, and drying for 8-10 hours at 54 DEG C to obtain the water dispersible granule containing 15wt% of sodium abietate. The sodium abietate water dispersible granule has the advantages of a water dispersible granule. By combing the technical process disclosed by the invention, the sodium abietate insecticide and a preparation method thereof are worthy of popularization.
Description
Technical field
The present invention relates to a kind of rosin acid sodium insecticide and preparation method thereof.
Background technology
Rosin acid sodium be take natural material as main body novel low toxicity vegetalitas biological insecticides, active ingredient is rosin acid sodium, the formulation that has invented at present has missible oil, aqueous emulsion, microemulsion, soluble powder.But these formulations of rosin acid sodium have many inevitable shortcomings: rosin acid sodium missible oil, and use a large amount of organic solvents to drop into environment, cause environmental pollution and serious waste of resources; The rosin acid sodium water emulsion pesticide is unstable in water, the easy decomposition failure of long term storage; Following variation often occurs in the rosin acid sodium microemulsion in storage process: layering, and flocculation, phase inversion, breakdown of emulsion becomes sour etc.And the agricultural chemicals of liquid state is unfavorable for storing and transportation; Rosin acid sodium soluble powder shortcoming is also clearly: 1. medicinal powder is easily become estranged easily by rain drop erosion by wind, and therefore, the amount that medicinal powder is attached to crop table body reduces, and shortens the longevity of residure of medicament, has reduced control efficiency; 2. unit powder consumption is many, and is worthwhile not as spraying economically; 3. contaminated environment and dispenser personnel itself.
Pesticide water dispersible granule is a kind of pesticides new formulation of the eighties in last century exploitation, because its safety is good, does not contain organic solvent, and without dust, packing, transportation, the advantage such as easy to use are developed rapidly.As an important development direction of novel agrochemical environmental protection formulation, water dispersible granules has become the leading formulation of agricultural chemicals of recent domestic.In theory, rosin acid sodium is processed into water dispersible granules, just can overcome the existing defective of other formulations, and have the series of advantages of pesticide water dispersible granule, yet on market, water dispersible granules does not but appear in rosin acid sodium insecticide all the time.
Summary of the invention
Technical problem to be solved by this invention is, a kind of new rosin acid sodium insecticide and preparation method thereof is provided, and this insecticide is made water dispersible granules, and water dispersible is good, and active constituent content is high, and its preparation method is simple, easily realizes.
Technical scheme of the present invention:
At first, rosin acid sodium insecticide of the present invention is for containing the 15%(quality) water dispersible granules of rosin acid sodium.
Further, described rosin acid sodium insecticide is calculated with mass parts by following compositions and prepares:
The 20%(quality) rosin acid sodium soluble powder (Wettable Powder; WP) 40-80 part;
Desugar sodium lignin sulfonate 2-3 part;
Sodium sulphate 5-55 part;
Filler or dispersant 3-37 part;
10 parts of adhesion promoters.
Further, described adhesion promoter is any one in deionized water, ethanol or the methyl alcohol.
Aforementioned rosin acid sodium method for producing insecticide comprises the steps:
A, get the 20%(quality) the rosin acid sodium soluble powder, mechanical crushing is to the 180-200 order;
B, press consumption with the 20%(quality) rosin acid sodium soluble powder, desugar sodium lignin sulfonate, sodium sulphate and filler or dispersant even, mixture is pulverized under 600kg pressure with airslide disintegrating mill;
C, dropping adhesion promoter stir, and use the rotary granulator granulation;
D, place insulating box, 54 ± ℃ lower dry 8-10 hour, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Further, the gained grain diameter is the 0.8-1.2 millimeter after the described granulation of step C.
The present invention has made water dispersible granules with the rosin acid sodium insecticide, and many unrivaled characteristics are arranged: 1. have directionality during dispenser, make the spreading medicament fully arrive target organisms and to beneficial organism safety such as natural enemies; 2. powder is not attached on the cauline leaf of plant, and avoiding directly, contact produces poisoning; 3. during dispenser without dust from flying, free from environmental pollution; 4. can reduce operating personnel's health in the dispenser process and adhere to or suck dose, avoid intoxication accident; High-toxic pesticide is hanged down poison, avoid the person poultry poisoning; 6. the rate of release of active ingredient in the controlled granulation agent prolongs the lasting period; 7. easy to use, efficient is high.This formulation has suspension, the dispersiveness of soluble powder and suspension concentrates, the advantage of good stability concurrently, and has overcome the shortcoming of the two; Compare with soluble powder, it has good fluidity, is easy to pour out from container and without advantages such as dust from flying; Compare with suspension concentrates, freeze when it can overcome duration of storage deposition caking, low temperature and shortcoming that freight charges are high.Rosin acid sodium water dispersible granules of the present invention, by China's pesticide toxicity grading criteria, belong to low toxic pesticide, desinsection is main, have bactericidal action concurrently, be a kind of novel pesticide take natural material as main body, insect to tag as main, is had concurrently adhesion, suffocates, corrodes insect epicutile wax layer so that the effect of polypide death.This product is to people and animals, plant safety, and noresidue has preferably preventive effect to the aphid on fruit tree, cotton, the vegetables, two spotted spider mite, and is safer to natural enemy.The present invention adopts rational technical process, make the rosin acid sodium water dispersible granules have good water dispersible, and active constituent content is high.In a word, the present invention is worthy of popularization very much.
Embodiment
Embodiment 1:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 37 parts of kaolin (filler), 3 parts of desugar sodium lignin sulfonates, 10 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of deionized waters, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 2:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 37 parts of bentonites (filler), 3 parts of desugar sodium lignin sulfonates, 10 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of deionized waters, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 3:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 2 parts of desugar sodium lignin sulfonates, 3 parts of D-425 (naphthalenesulfonate dispersant), 45 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of deionized waters, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 4:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 3 parts of desugar sodium lignin sulfonates, 37 parts of kaolin (filler), 10 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of methyl alcohol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 5:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 3 parts of desugar sodium lignin sulfonates, 25 parts of bentonites (filler), 22 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of methyl alcohol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 6:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 3 parts of desugar sodium lignin sulfonates, 37 parts of kaolin (filler), 10 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of ethanol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 7:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 3 parts of desugar sodium lignin sulfonates, 25 parts of bentonites (filler), 22 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of ethanol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 8:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 2 parts of desugar sodium lignin sulfonates, 3 parts of D-425 (naphthalenesulfonate dispersant), 45 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts and remove methyl alcohol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
Embodiment 9:
1, with the 20%(quality) rosin acid sodium soluble powder mechanical crushing to 200 orders.
2,50 parts of rosin acid sodium soluble powders, 2 parts of desugar sodium lignin sulfonates, 3 parts of D-425 (naphthalenesulfonate dispersant), 45 parts of sodium sulphate are mixed, divide cracker under 600kg pressure, to pulverize with air-flow.
3, drip 10 parts of ethanol, stir, with the granulation of ZLB rotary granulator, particle diameter is 1.2mm.
4, in constant temperature oven with 54 ± ℃ dry 10h, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
The preparation-obtained 15%(quality of above embodiment 1-9) rosin acid sodium water dispersible granules, its quality and technical index is as shown in table 1:
Table 1 15%(quality) rosin acid sodium WDG agent quality and technical index
The drug effect report
One, indoor biologically active
As shown in table 2 is the 15%(quality) rosin acid sodium
WDGWith other several pesticides, to river former genus amblyseius berlese Toxicity Determination comparative result, table 3 for the present invention to Panonychus citri worm, ovum indoor virulence test result:
The former genus amblyseius berlese Toxicity Determination in table 2 pair river
| Process | Female mite number (head) | Corrected mortality (%) |
| 15% rosin acid sodium WDG * 100 | 39 | 96.2 |
| 40% isocarbophos emulsion * 1000 | 45 | 44.2 |
| 15% dicofol pulvis * 800 | 45 | 58.1 |
| 40% omethoate emulsion * 1000 | 45 | 95.4 |
Table 3 15% rosin acid sodium
WDGTo Panonychus citri worm, ovum Toxicity Determination
Two, field control effectiveness test
1, control tangerine Panonychus citri
15% rosin acid sodium water dispersible granules working concentration is established three processing of 100,150 and 200 times of liquid, does contrast with 800 times of 15% dicofol emulsions and clear water, and every processing 1-3 strain repeats 3 times.Spray and frontly to process the random worm with 10 leaf backs of 20 times of hand magnifiers inspections of the different azimuth of setting, ovum number as the insect population radix in every strain; Insecticidal effect is respectively processed in inspection in 2 days behind the medicine, checks preventive effect every 10 days with same method later on, observes the term of validity of medicament.Its control efficiency is as shown in table 4, and the term of validity is observed as shown in table 5, and wherein CK represents blank.
Table 4 15% rosin acid sodium
WDGField control tangerine Panonychus citri effect (%)
Therefore 15% rosin acid sodium WDG is to the effect of tangerine Panonychus citri, 100 times of liquid obviously is better than dicofol (* 800) effect commonly used, and 150-200 times of liquid is then similar or slightly excellent.
The table 5 15% rosin acid sodium WDG field control tangerine Panonychus citri term of validity is observed (three mean value)
2, the red cured a red-spotted lizard of control
Red cured coccid age is 2-3 children's a red-spotted lizard phase age, establishes 60,100,150,200 times of four processing for examination concentration, take 1000 times of liquid of 40% isocarbophos emulsion and clear water as contrast.Every processing 1-3 strain repeats 3 times, checks lethality in 15 days behind the medicine, calculates reproductive effect.Table 6 is depicted as the red cured a red-spotted lizard 2-3 of 15% rosin acid sodium WDG field control oranges and tangerines children in age a red-spotted lizard effect (unit: %).
The red cured a red-spotted lizard 2-3 of table 6 15% rosin acid sodium WDG field control oranges and tangerines children in age a red-spotted lizard effect (unit: %)
Therefore 15% rosin acid sodium WDG * 60, * 100, * 150 preventive effects are between 93.4%-99.7%, with positive control 40% isocarbophos emulsion * 1000 drug effects are slightly excellent or suitable.15% rosin acid sodium WDG * 200, drug effect is slightly poor.
Three, brief summary
1,15% rosin acid sodium WDG prevents and treats the result to citrus pest and shows, this medicament is to the harmful mite take the tangerine Panonychus citri as representative, and take red cured a red-spotted lizard as representative a red-spotted lizard class pest, have good control efficiency.
2,15% rosin acid sodium WDG is a kind of plant insecticide, and the working concentration that mite, a red-spotted lizard class pest are recommended is about 100-150 times.This formulation is extremely low to the person poultry toxicity, easily decomposes in the field.Environmentally safe, and to advantages such as insect are difficult for developing immunity to drugs, efficacy stability can be prevented and treated the oranges and tangerines various pests, can play the double effect of controlling when particularly multiple insect pest is concurrent in the citrus orchard.In addition, this formulation is to the oranges and tangerines gummosis, and the sick worm of during Wintering Period has good imitation, is the good medicine in citrus orchard clear garden in winter.In addition, this medicine has good preventive effect to the mite a red-spotted lizard class pest of the crops such as tea tree, red bayberry.
Claims (5)
1. rosin acid sodium insecticide is characterized in that: this rosin acid sodium insecticide is for containing the 15%(quality) water dispersible granules of rosin acid sodium.
2. rosin acid sodium insecticide according to claim 1 is characterized in that: described rosin acid sodium insecticide is calculated with mass parts by following compositions and prepares:
The 20%(quality) rosin acid sodium soluble powder 40-80 part;
Desugar sodium lignin sulfonate 2-3 part;
Sodium sulphate 5-55 part;
Filler or dispersant 3-37 part;
10 parts of adhesion promoters.
3. rosin acid sodium insecticide according to claim 2, it is characterized in that: described adhesion promoter is any one in deionized water, ethanol or the methyl alcohol.
4. according to the described rosin acid sodium method for producing insecticide of claim 1-3 any one claim, it is characterized in that this preparation method comprises the steps:
A, get the 20%(quality) the rosin acid sodium soluble powder, mechanical crushing is to the 180-200 order;
B, by consumption with the 20%(quality) rosin acid sodium soluble powder, desugar sodium lignin sulfonate, sodium sulphate and fillers dispersed agent or mix, mixture is pulverized under 600kg pressure with airslide disintegrating mill;
C, dropping adhesion promoter stir, and use the rotary granulator granulation;
D, place insulating box, 54 ± ℃ lower dry 8-10 hour, obtain the 15%(quality) the rosin acid sodium water dispersible granules.
5. rosin acid sodium method for producing insecticide according to claim 4, it is characterized in that: the gained grain diameter is the 0.8-1.2 millimeter after the described granulation of step C.
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Cited By (6)
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| CN104705333A (en) * | 2015-03-23 | 2015-06-17 | 广东中迅农科股份有限公司 | Pesticide composition containing sodium abietate and sulfoxaflor |
| CN104705335A (en) * | 2015-03-23 | 2015-06-17 | 广东中迅农科股份有限公司 | Pesticide composition containing sodium abietate and dinotefuran |
| CN106172485A (en) * | 2016-07-15 | 2016-12-07 | 方永贵 | A kind of solid resin soap emulsifiable concentrate and its preparation method and application |
| CN106259335A (en) * | 2016-08-03 | 2017-01-04 | 顾爱国 | A kind of rosin acid sodium microemulsion |
| CN114208850A (en) * | 2021-12-09 | 2022-03-22 | 福建省农业科学院果树研究所 | Preparation and use method of mixed agent for preventing and treating peach gummosis |
| US20220240513A1 (en) * | 2021-02-01 | 2022-08-04 | Valent Biosciences Llc | Process for preparing 1-amino-1-cyclopropanecarboxylic acid granules |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104705333A (en) * | 2015-03-23 | 2015-06-17 | 广东中迅农科股份有限公司 | Pesticide composition containing sodium abietate and sulfoxaflor |
| CN104705335A (en) * | 2015-03-23 | 2015-06-17 | 广东中迅农科股份有限公司 | Pesticide composition containing sodium abietate and dinotefuran |
| CN104705335B (en) * | 2015-03-23 | 2018-04-27 | 广东中迅农科股份有限公司 | A kind of Pesticidal combination containing rosin acid sodium and dinotefuran |
| CN106172485A (en) * | 2016-07-15 | 2016-12-07 | 方永贵 | A kind of solid resin soap emulsifiable concentrate and its preparation method and application |
| CN106259335A (en) * | 2016-08-03 | 2017-01-04 | 顾爱国 | A kind of rosin acid sodium microemulsion |
| CN106259335B (en) * | 2016-08-03 | 2019-04-02 | 顾爱国 | A kind of rosin acid sodium microemulsion |
| US20220240513A1 (en) * | 2021-02-01 | 2022-08-04 | Valent Biosciences Llc | Process for preparing 1-amino-1-cyclopropanecarboxylic acid granules |
| CN114208850A (en) * | 2021-12-09 | 2022-03-22 | 福建省农业科学院果树研究所 | Preparation and use method of mixed agent for preventing and treating peach gummosis |
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