CN104757020A - Cupric hydroxide dry suspending agent and preparation method thereof - Google Patents
Cupric hydroxide dry suspending agent and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a cupric hydroxide dry suspending agent and a preparation method thereof. The cupric hydroxide dry suspending agent comprises the following components in percentage by weight: 10-80% of cupric hydroxide powder, 5-30% of dispersing agent, 1-5% of wetting agent, 1-20% of disintegrant, 1-10% of bonding agent, 1-5% of adhesive and 1-5% of film former. The preparation components of the cupric hydroxide dry suspending agent can be effectively and uniformly attached to the crop surface and form a compact protective film on leaves; and thus, the cupric hydroxide dry suspending agent has the advantages of rainfall erosion resistance and high drug effect durability, and can efficiently prevent and remove bacterial diseases and fungus diseases of crops. The cupric hydroxide dry suspending agent can be used as an effective component of a copper preparation to effectively avoid the defect of partial scorching and chemical injury of crops since the Bordeaux mixture and other cupric hydroxide preparations can not easily control the copper ion distribution.
Description
Technical field
The present invention relates to agricultural bactericidal technical field, be specifically related to a kind of Kocide SD dry suspending agent bactericide and preparation method thereof.
Background technology
Copper hydroxide preparation is a kind of protectiveness broad-spectrum germicide, can prevent and treat fungoid and bacterial disease simultaneously, to the existing protective effect of pathogen, has again treatment and eradicant action concurrently.In addition, all toxic low, nuisanceless, the feature that environment compatibility is good of copper agent, therefore enjoys favor, by people as the excellent bactericide producing pollution-free food, Organic Fruit.
The common formulation of current copper hydroxide preparation mainly contains wetting powder, dry granule, suspending agent and water dispersible granules etc., these formulations are under certain environmental conditions, effect is fine, but these formulation particles are larger, add that copper ion itself is for heavy metal ion, dispersed bad in water, blade local is easily condensed upon after causing spraying medicine, skewness, thus crop generation is burnt and poisoning, and not resistance of rainwater washing against, cause a large amount of copper ion to be deposited in soil, pedo relict problem is serious.
Therefore, a kind of safe, efficient, holding effect is needed and the generation of the copper fungicide formulation of low cost.In recent years, domesticly did many research and development to copper fungicide formulation, such as, publication number is propose a kind of copper hydroxide water dispersible granule and preparation method thereof in CN 1,027 92971 A Chinese patent application, they are different from the granulation of water dispersible granules conventional dry, employing be wet granulation.But adding without any adhesive or adhesive in its pharmaceutical formulation, not resistance of rainwater washing against, can not ensure the persistence of its drug effect.
Disclose a kind of method for making and application of solid-state runny Kocide SD bactericide/fungicide in China's No. 91109431.8 patent application, it adopts spray drying process to carry out granulation, technique and dry suspending agent prilling process similar.Although which solve the poisoning of copper ion, the problem such as residual, there is lasting effect difference in it, needs repetition dispenser in actual use, thus increase cost accounting.
Disclose the microbicide compositions of a kind of oligosaccharides and copper in China's the 201010624172. No. 8 patent application, wherein sodium alginate oligosaccharide itself has a kind of filming function, reaches fungistatic effect by stoping or remove the suction-operated of pathogen on host cell.But the film that sodium alginate oligosaccharide is formed can only be formed in specific protein competition; it just plays a kind of plant nutrition conciliation effect; can not uniform fold in crop leaf surface; spire cannot be protected to resist ultraviolet; can not stop that in other auxiliary agents, organic solvent is to the injury to spire, also cannot play the storage of moisture in protection blade.
Summary of the invention
In view of this; a kind of Kocide SD dry suspending agent and preparation method thereof is provided; after using; it can form the diaphragm of one deck densification in crop surface; reduce copper agent to the direct poisoning of plant leaf blade and risk of burning, simultaneously resistance of rainwater washing against, extend the lasting period; reduce dose use and spray number of times, reduce residue of pesticide and pedo relict in plant corpus.
A kind of Kocide SD dry suspending agent, it comprises the following ingredients according to mass percentage meter: Kocide SD powder 10% ~ 80%, dispersant 5% ~ 30%, wetting agent 1% ~ 5%, disintegrant 1% ~ 20%, adhesive 1% ~ 10%, adhesive 1% ~ 5%, film forming agent 1% ~ 5%, surplus is carrier.
And, a kind of preparation method of Kocide SD dry suspending agent, it comprises the following steps: in proportioner, add Kocide SD powder, dispersant, wetting agent, disintegrant, adhesive, adhesive, film forming agent, carrier and water successively, stir, and forms mixture; Mixture high-speed shearing machine is carried out coarse crushing in one-level sanding-pan, enter the fine grinding of secondary sand mill again, spraying, granulation in press spray drier is entered after adding granulation aid after being milled down to 1 ~ 4 μm, form described Kocide SD dry suspending agent, the inlet temperature of described spray dryer is 130 ° of C ~ 180 ° C, and outlet temperature is 50 ° of C ~ 90 ° C.
Above-mentioned Kocide SD dry suspending agent can reach 0.5 ~ 3 μm due to particulate fineness after its dilution, and fineness significantly improves, can rapid disintegration in water, and better, make active ingredient spread over blade surface uniformly, quick-acting is high for dispersed and suspension.In addition, in Kocide SD dry suspending agent, add adhesive, strong adhesion, resistance of rainwater washing against, ensure the lasting effect of medicament, decrease application times, thus reduce peasant household's use cost and environmental pollution.Above-mentioned Kocide SD dry suspending agent is compared with other copper hydroxide preparations existing, at least can produce following beneficial effect:
1, the grain diameter of Kocide SD dry suspending agent is at 0.5 ~ 3 μm, and suspensibility is good, and active ingredient can spread over blade surface uniformly, easily absorbed by crops, and what avoid that copper ion produces at blade localized clusters burns and poisoning;
2, Kocide SD dry suspending agent can form fine and close diaphragm at blade surface, can resist ultraviolet with other organic solvents to the injury of spire, can be incubated by water conservation;
3, resistance of rainwater washing against, ensures medicament lasting effect, reduces application times, reduces costs.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, the following specific embodiment of the present invention is described, but the present invention is limited to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for explaining the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with appended claims.
If no special instructions, all percentages of this specification all refer to mass percent.
The embodiment of the present invention provides a kind of Kocide SD dry suspending agent, it comprises the following ingredients according to mass percentage meter: Kocide SD powder 10% ~ 80%, dispersant 5% ~ 30%, wetting agent 1% ~ 5%, disintegrant 1% ~ 20%, adhesive 1% ~ 10%, adhesive 1% ~ 5%, film forming agent 1% ~ 5%, surplus is carrier.
Particularly, the particle diameter of Kocide SD powder is 30 μm-75 μm.Mass percentage is preferably 10% ~ 70%.Dispersant be preferably in lignosulfonates, polycarboxylate, naphthalene sulfonate, stearate, Tea Saponin one or more, the mass percentage of dispersant is preferably 8% ~ 20%.Wetting agent be preferably in lauryl sodium sulfate, alkylbenzenesulfonate, amber acid ester sulfonate, fatty alcohol-polyoxyethylene ether, alkylnaphthalene sulfonate one or more, the mass percentage of wetting agent is preferably 1%-4%.Described disintegrant be preferably in soluble inorganic salt, urea, aluminium-magnesium silicate, starch, carboxymethyl cellulose one or more, the mass percentage of described disintegrant is preferably 5%-15%.
Adhesive be preferably in polyethylene glycol, monose, ligninsulfonate, xanthans, polyvinylpyrrolidone one or more, the mass percentage of described adhesive is preferably 2%-5%.Adhesive be preferably in xanthans, carragheen, poly-acrylic resin, polyvinylpyrrolidone, Tea Saponin one or more, the mass percentage of described adhesive is preferably 1%-3%.Carrier be preferably in diatomite, fine particle calcium carbonate, starch, White Carbon black, carclazyte or kaolin one or more.
Film forming agent is preferably one or more the polymer in the cruel class of polyacrylic acid, polyacrylate and polyvinyl acetate, and the mass percentage of described film forming agent is preferably 1%-3%.By the copolymer that to add in the cruel class of polyacrylic acid, polyacrylate and polyvinyl acetate one or more as film forming agent; make medicine can form a kind of diaphragm of sparkling and crystal-clear bright densification after spraying at plant surface, diaphragm is roughly micron order thickness.The film of the sodium alginate openly related in this film and patent 201010624172.8 is essentially different.Sodium alginate oligosaccharide itself is the protective effect as a Plants self, stops or removes the suction-operated of pathogen on host cell, tightly having fungistatic effect.And the film that the Kocide SD dry suspending agent of the embodiment of the present invention is formed is attached to plant leaf blade for a long time except making agricultural chemicals, strengthen outside sterilization drug effect and persistence, crop can also be made to resist ultraviolet with other organic solvents to the injury of spire, can reduce the evaporation of crop water, the equilibrium of induction moisture absorbs.At present by these high polymers used as pesticides film forming agent, forming crop protection film is first Application.
During use, Kocide SD dry suspending agent first dilutes, and the particulate fineness after dilution can reach 0.5 ~ 3 μm, forms fine and close diaphragm during use in crop surface.
The embodiment of the present invention also provides the preparation method of above-mentioned Kocide SD dry suspending agent, it comprises the following steps: in proportioner, add Kocide SD powder, dispersant, wetting agent, disintegrant, adhesive, adhesive, film forming agent, carrier and water successively, stir, form mixture; Mixture high-speed shearing machine is carried out coarse crushing in one-level sanding-pan, enter the fine grinding of secondary sand mill again, spraying, granulation in press spray drier is entered after adding granulation aid after being milled down to 1 ~ 4 μm, form described Kocide SD dry suspending agent, the inlet temperature of described spray dryer is preferably 130 ° of C ~ 180 ° C, and outlet temperature is preferably 50 ° of C ~ 90 ° C.
Above-mentioned Kocide SD dry suspending agent is generally used as disinfectant use in agriculture.Bactericide adopts dry suspending agent form, and its fineness is high, can reach 0.5 ~ 3 μm, suspensibility and good dispersion, and drug effect is high and persistence good, and safety not easily produces poisoning, is a kind of safe, efficient, holding effect and the copper fungicide of low cost.After disinfectant use in agriculture is used; the diaphragm of one deck densification can be formed in crop surface; active ingredient is made to spread over blade surface uniformly; quick-acting is high; and reducing copper agent to the direct poisoning of plant leaf blade and risk of burning, resistance of rainwater washing against simultaneously, extends the lasting period; reduce dose use and spray number of times, reduce residue of pesticide and pedo relict in plant corpus.Significantly improving of fineness, can rapid disintegration in water, dispersed and suspension is better.
Composition, the aspect such as preparation method and application control efficiency thereof of Kocide SD dry suspending agent of the present invention are described below by way of specific embodiment.
One, dry suspending agent processing formula embodiment
embodiment 1
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 10.5 grams of active ingredients, 20 grams, urea, lauryl sodium sulfate 4 grams, lignosulfonates 15 grams, polycarboxylate 4 grams, naphthalene sulfonate 8 grams, polyvinylpyrrolidone 4 grams, xanthans 2 grams, monose 10 grams, the cruel base polymer of acrylic acid 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, carry out press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this spray dryer is 130 ° of C, and outlet temperature is 50 ° of C.
Be 10.4%, pH be 9.5 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=100%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
embodiment 2
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 25.5 grams of active ingredients, 20 grams, urea, lauryl sodium sulfate 4 grams, lignosulfonates 10 grams, polycarboxylate 4 grams, naphthalene sulfonate 6 grams, poly-acrylic resin 3.5 grams, xanthans 2.5 grams, monose 10 grams, acrylic polymer 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, enter press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this drier is 130 ° of C, and outlet temperature is 50 ° of C.
Be 25.4%, pH be 9.5 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=100%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
embodiment 3
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 31.0 grams of active ingredients, 15 grams, urea, lauryl sodium sulfate 4 grams, lignosulfonates 10 grams, polycarboxylate 4 grams, naphthalene sulfonate 6 grams, polyvinylpyrrolidone 5 grams, monose 5 grams, acrylic polymer 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, enter press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this drier is 150 ° of C, and outlet temperature is: 70 ° of C.
Be 30.9%, pH be 9.6 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=100%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
embodiment 4
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 53.8 grams of active ingredients, 10 grams, urea, lauryl sodium sulfate 2 grams, lignosulfonates 10 grams, polycarboxylate 4 grams, naphthalene sulfonate 6 grams, Tea Saponin 5 grams, poly-acrylic resin 3 grams, xanthans 3 grams, acrylic polymer 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, enter press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this drier is 180 ° of C, and outlet temperature is: 90 ° of C.
Be 53.8%, pH be 9.6 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=100%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
embodiment 5
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 55.0 grams of active ingredients, 5 grams, urea, lauryl sodium sulfate 2 grams, lignosulfonates 10 grams, naphthalene sulfonate 4 grams, Tea Saponin 5 grams, polyvinylpyrrolidone 4 grams, xanthans 2 grams, the cruel base polymer of acrylic acid 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, enter press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this drier is 170 ° of C, and outlet temperature is: 70 ° of C.
Be 55.0%, pH be 9.6 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=100%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
embodiment 6
The present embodiment is got and is supplied 100 grams containing the former medicine of Kocide SD of 71.8 grams of active ingredients, alkylnaphthalene sulfonate 2 grams, lignosulfonates 10 grams, naphthalene sulfonate 6 grams, polyvinylpyrrolidone 3 grams, xanthans 2 grams, the cruel base polymer of acrylic acid 3 grams, kaolin, stirs in dosage bunker; Then in one-level sanding-pan, coarse crushing is carried out with high-speed shearing machine, enter the fine grinding of secondary sand mill again, enter press spray drying, granulation after adding granulation aid after being milled down to 0.5 ~ 3 μm, the inlet temperature of this drier is 130 ° of C, and outlet temperature is 50 ° of C.
Be 71.6%, pH be 9.6 through inspection active constituent content, moisture≤1.0%, fineness (by 45 μm) >=99%, suspensibility >=90%, persistent foamability (1min)≤25ml, wetting time≤60s, substantially without dust, heat storage stability is qualified.
Two, biological activity determination and test of pesticide effectiveness example
(1) field trial:
The Kocide SD dry suspending agent that above-described embodiment is obtained is used for preventing and treating angular leaf spot of cucumber.
Test and carry out on farm, Zhaoqing City of Guangdong Province one in May, 2014, adopt the method for cauline leaf spraying.The cucumber growth chosen is basically identical, is in vegetative growth phase, and bacterial angular leaf spot occurs heavier, investigation disease index before medicine, investigates disease index disease calculate preventive effect respectively at 7d and 14d after medicine.From table, data can draw, under same concentrations, Kocide SD dry suspending agent is to the control efficiency of angular leaf spot significantly better than contrast medicament copper hydroxide water dispersible granule, and the lasting period obviously extends, after medicine, 14d preventive effect is all more than 80%, and contrasts pharmacy control efficacy and be only 54.27%.
Table 2 Kocide SD dry suspending agent is to the field control effect of angular leaf spot of cucumber
| Medicament title | Using dosage (gram/acre) | Before medicine, disease refers to | 7d preventive effect % after medicine | 14d preventive effect % after medicine |
| Embodiment 1 | 87.6 | 2.58 | 85.21 | 88.32 |
| Embodiment 2 | 36.1 | 2.36 | 80.36 | 87.61 |
| Embodiment 3 | 29.7 | 2.87 | 84.31 | 90.21 |
| Embodiment 4 | 17.1 | 2.45 | 75.68 | 88.34 |
| Embodiment 5 | 16.7 | 2.15 | 80.32 | 86.95 |
| Embodiment 6 | 12.8 | 2.69 | 74.31 | 82.18 |
| 46% Kocide SD WG | 20.0 | 2.34 | 60.24 | 54.27 |
| Blank | Clear water | 2.61 | - | - |
(2) resistance of rainwater washing against test
The obtained Kocide SD dry suspending agent of above-mentioned enforcement embodiment and market samples is utilized to be resistance of rainwater washing against contrast experiment.
1, test process: this test medicine consumption, according to the difference of each composition, chooses 30.5% and 53.8% two concentration for the treatment of, contrast medicament is commercially available 77% wetting powder, 57.6% water dispersible granules respectively.
2, test method: experiment adopts slide to replace crop leaf, respectively take Kocide SD dry suspending agent of the present invention (active ingredient 30.5%, 53.8%) and market Kocide SD powder samples (active ingredient 77.7%, 57.6%) 0.5 gram, add 25ml standard hard water (342ppm) to dilute, be made into the dilution of about 1%.Respectively getting 1ml dilution is uniformly coated on slide, after drying, carries out rain drop erosion simulated experiment with the watering can that running water is housed, simultaneously with not done blank experiment by the slide of rain drop erosion.Respectively by after 100ml, 200ml, 300ml and 500ml rain drop erosion, detect each residual quantity, result is in residual rate.Wherein 1# is the embodiment of the present invention 31.0% Kocide SD dry suspending agent; 2# is the embodiment of the present invention 53.8% Kocide SD dry suspending agent; 3# is commercially available 77% copper hydroxide wettable powder; 4# is commercially available 57.6% copper hydroxide water dispersible granule.
Table 3 is washed away rear the present invention and commercially available Kocide SD residual rate (%) by running water
| Residual rate | Residual rate | Residual rate | Residual rate | |
| Running water fountain height | 1 # | 2 # | 3 # | 4 # |
| 100ml | 99.7 | 99.8 | 88.3 | 83.5 |
| 200ml | 99.5 | 99.7 | 61.2 | 73.3 |
| 300ml | 98.3 | 98.5 | 35.1 | 51.6 |
| 500ml | 85.6 | 86.7 | 15.7 | 25.8 |
Resistance of rainwater washing against test can find out the intensity of the Kocide SD dry suspending agent resistance of rainwater washing against of the embodiment of the present invention intuitively, again demonstrates the present invention simultaneously and can form fine and close diaphragm at plant surface.In table 3, data can find out that the present invention is after a large amount of rain drop erosion, still has the residual quantity of more than 85%, and lasting medicine is obviously better than other medicaments commercially available.
It can thus be appreciated that above-mentioned Kocide SD dry suspending agent can reach 0.5 ~ 3 μm due to particulate fineness after its dilution, and fineness significantly improves, can rapid disintegration in water, better, make active ingredient spread over blade surface uniformly, quick-acting is high for dispersed and suspension.In addition, in Kocide SD dry suspending agent, add adhesive, strong adhesion, resistance of rainwater washing against, ensure the lasting effect of medicament, decrease application times, thus reduce peasant household's use cost and environmental pollution.Above-mentioned Kocide SD dry suspending agent is compared with other copper hydroxide preparations existing, at least can produce following beneficial effect:
1, the grain diameter of Kocide SD dry suspending agent is at 0.5 ~ 3 μm, and suspensibility is good, and active ingredient can spread over blade surface uniformly, easily absorbed by crops, and what avoid that copper ion produces at blade localized clusters burns and poisoning;
2, Kocide SD dry suspending agent can form fine and close diaphragm at blade surface, can resist ultraviolet with other organic solvents to the injury of spire, can be incubated by water conservation;
3, resistance of rainwater washing against, ensures medicament lasting effect, reduces application times, reduces costs.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Kocide SD dry suspending agent, is characterized in that, comprises the following ingredients according to mass percentage meter: Kocide SD powder 10% ~ 80%, dispersant 5% ~ 30%, wetting agent 1% ~ 5%, disintegrant 1% ~ 20%, adhesive 1% ~ 10%, adhesive 1% ~ 5%, film forming agent 1% ~ 5%, surplus is carrier.
2. Kocide SD dry suspending agent according to claim 1, is characterized in that, described dispersant is one or more in lignosulfonates, polycarboxylate, naphthalene sulfonate, stearate, Tea Saponin, and the mass percentage of described dispersant is 8% ~ 20%.
3. Kocide SD dry suspending agent according to claim 1, it is characterized in that, described wetting agent is one or more in lauryl sodium sulfate, alkylbenzenesulfonate, amber acid ester sulfonate, fatty alcohol-polyoxyethylene ether, alkylnaphthalene sulfonate, and the mass percentage of described wetting agent agent is 1%-4%.
4. Kocide SD dry suspending agent according to claim 1, is characterized in that, described disintegrant is one or more in soluble inorganic salt, urea, aluminium-magnesium silicate, starch, carboxymethyl cellulose, and the mass percentage of described disintegrant is 5%-15%.
5. Kocide SD dry suspending agent according to claim 1, is characterized in that, described adhesive is one or more in polyethylene glycol, monose, ligninsulfonate, xanthans, polyvinylpyrrolidone, and the mass percentage of described adhesive is 2%-5%.
6. Kocide SD dry suspending agent according to claim 1, is characterized in that, described adhesive is one or more in xanthans, carragheen, poly-acrylic resin, polyvinylpyrrolidone, Tea Saponin, and the mass percentage of described adhesive is 1%-3%.
7. Kocide SD dry suspending agent according to claim 1, it is characterized in that, described film forming agent is one or more the polymer in the cruel class of polyacrylic acid, polyacrylate and polyvinyl acetate, and the mass percentage of described film forming agent is 1%-3%.
8. Kocide SD dry suspending agent according to claim 1, is characterized in that, described carrier is one or more in diatomite, fine particle calcium carbonate, starch, White Carbon black, carclazyte or kaolin.
9. Kocide SD dry suspending agent according to claim 1, is characterized in that, after described Kocide SD dry suspending agent dilution, particulate fineness is 0.5 ~ 3 μm, and described Kocide SD dry suspending agent is fine and close diaphragm form in use.
10. the preparation method of Kocide SD dry suspending agent as described in any one of claim 1-9, it is characterized in that, comprise the following steps: in proportioner, add Kocide SD powder, dispersant, wetting agent, disintegrant, adhesive, adhesive, film forming agent, carrier and water successively, stir, form mixture; Mixture high-speed shearing machine is carried out coarse crushing in one-level sanding-pan, enter the fine grinding of secondary sand mill again, spraying, granulation in press spray drier is entered after adding granulation aid after being milled down to 1 ~ 4 μm, form described Kocide SD dry suspending agent, the inlet temperature of described spray dryer is 130 ° of C ~ 180 ° C, and outlet temperature is 50 ° of C ~ 90 ° C.
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| CN201510143223.8A CN104757020A (en) | 2015-03-30 | 2015-03-30 | Cupric hydroxide dry suspending agent and preparation method thereof |
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| CN201510143223.8A CN104757020A (en) | 2015-03-30 | 2015-03-30 | Cupric hydroxide dry suspending agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372484A (en) * | 2017-07-17 | 2017-11-24 | 范强 | A kind of pesticide dry suspending agent auxiliary agent |
| CN108184872A (en) * | 2018-01-09 | 2018-06-22 | 深圳诺普信农化股份有限公司 | A kind of pesticide dry suspending agent and its preparation and application method |
| CN111592032A (en) * | 2020-05-09 | 2020-08-28 | 山东科技大学 | Antibacterial copper hydroxide nanowire film, preparation method and secondary utilization method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372484A (en) * | 2017-07-17 | 2017-11-24 | 范强 | A kind of pesticide dry suspending agent auxiliary agent |
| CN108184872A (en) * | 2018-01-09 | 2018-06-22 | 深圳诺普信农化股份有限公司 | A kind of pesticide dry suspending agent and its preparation and application method |
| CN111592032A (en) * | 2020-05-09 | 2020-08-28 | 山东科技大学 | Antibacterial copper hydroxide nanowire film, preparation method and secondary utilization method thereof |
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Application publication date: 20150708 |