CN101743990A - Sustained-release granule for controlling storage diseases and insect pests and preparation method thereof - Google Patents
Sustained-release granule for controlling storage diseases and insect pests and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a sustained-release granule for controlling storage diseases and insect pests. The sustained-release granule comprises a granular inert carrier. Effective components are adsorbed on the granular inert carrier and comprise allyl isothiocyanate, glutaraldehyde and a stabilizing agent. A film-coating agent coats the surface of the granular inert carrier; the weight percentage of the granular inert carrier is 55-96.9 percent; the weight percentage of the allyl isothiocyanate is 1-20 percent; the weight percentage of the glutaraldehyde is 1-10 percent; the weight percentage of the stabilizing agent is 0.1-5 percent; and the weight percentage of the film-coating agent is 1-10 percent. The invention aims to provide the sustained-release granule for controlling the storage diseases and insect pests and a preparation method thereof, wherein the sustained-release granule has favorable controlling effect for main storage insect pests and germs, can control the diseases and insect pests with long action, reduce the drug-applied times and the drug-applied cost, is safe and economic in various links of production, transportation, storage, application and the like, saves labor power and physical resources, cannot damage the environment and is green and safe.
Description
Technical field
The present invention relates to a kind of storage extermination of disease and insect pest sustained-release granular formulation and preparation method thereof.
Background technology
The storage damage by disease and insect is serious to the storage harm of grain, tobacco, feed, traditional Chinese medicine etc.; fumigant such as the main at present employing Celfume of China carry out the insect processing; but because Celfume destroys the ozone layer in the atmosphere; seriously jeopardize environment for human survival; China promises to undertake that China must eliminate methyl bromide comprehensively before 1 day January in 2015 when signature international environmental protection pact Montreal protocol.Crack the unicity of substitute technology, just must accelerate the new method of the more fumigant of exploitation and other control disease and insects.
The main component allyl isothiocyanate (AITC) of athomin to faint yellow transparent oily liquids, has volatility for colourless.The main application of allyl isothiocyanate comprises: food flavor, antibacterial, the antisepsis antistaling agent of food sterilization; Health care and cancer therapy drug; Soil sterilization deinsectization, the fumigant that the warehouse deinsectization is anticorrosion, building stifling, plant quarantine is handled; Chemical industry synthetic intermediates etc. are in industry extensive application such as food, chemical industry, agricultural chemicals and medicine.Glutaraldehyde, have another name called glue aldehyde, the colourless transparent oil liquid that has penetrating odor, be a kind of wide spectrum, efficient, low toxicity antiseptic sterilization agent, it can be killed and comprise bacterial spore, fungal spore, mycobacterium, virus, being described as is after formaldehyde and oxirane, the 3rd milestone on the chemosterilant development history.But because the active ingredient high volatility of allyl isothiocyanate and glutaraldehyde, be subjected to environmental influence easily and take place prominently to release phenomenon, the lasting period is shorter, causes existing product to be difficult to reach long-acting control damage by disease and insect, reduce the medication number of times, reduce the purpose of drug cost.
Summary of the invention
The object of the present invention is to provide a kind of effective to main storage pest and bacteria-treating, can long-acting control damage by disease and insect, reduce the medication number of times, the reduction drug cost, each link safety economy such as producing, transportation stores, uses, save human and material resources, can not endanger environment, storage extermination of disease and insect pest sustained-release granular formulation of green safety and preparation method thereof.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention, comprise granular inert carrier, be adsorbed with active ingredient on the particulate inert carrier, active ingredient is made of allyl isothiocyanate, glutaraldehyde and stabilizing agent, described particulate inert carrier be coated with the coating agent, wherein:
The percentage by weight of described particulate inert carrier is 55-96.9%,
The percentage by weight of described allyl isothiocyanate is 1-20%,
The percentage by weight of described glutaraldehyde is 1-10%,
The percentage by weight of described stabilizing agent is 0.1-5%,
The percentage by weight of described coating agent is 1-10%.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention, wherein said particulate inert carrier is a kaolin, bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, in clay or the high-purity soil any one or its several, the particle diameter of particulate inert carrier is 0.1mm-10mm, described stabilizing agent is 2, the 6-di-tert-butyl-4-methy phenol, ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, in ascorbic acid or the citric acid any one or its several, described coating agent is a polyethylene glycol, stearic acid, paraffin or rosin.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention, wherein said particulate inert carrier is a kaolin, bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, any one or its several making in clay or the high-purity soil, the particle diameter of particulate inert carrier is 0.1mm-10mm, described stabilizing agent is 2, the 6-di-tert-butyl-4-methy phenol, ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, in ascorbic acid or the citric acid any one or its several, described coating agent is a polyethylene glycol, stearic acid, paraffin or rosin, the preferred weight ratio of described glutaraldehyde and allyl isothiocyanate are 1: 0.2-20.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention, the optimum weight ratio of wherein said glutaraldehyde and allyl isothiocyanate is 1: 0.5-10.
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
A, prepare feed particles shape inert carrier, allyl isothiocyanate, glutaraldehyde, stabilizing agent and coating agent, and wherein allyl isothiocyanate, glutaraldehyde, stabilizing agent are mixed, obtain active ingredient according to above-mentioned percentage by weight;
B, be sprayed onto described active ingredient on the described particulate inert carrier and stir, it is left standstill 1-2 hour then;
C, with behind the described coating agent heating and melting, with its surface that is sprayed at described particulate inert carrier, it is wrapped up, obtain storage extermination of disease and insect pest sustained-release granular formulation of the present invention.
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention, the method of spraying described active ingredient among the wherein said step B is for to be sprayed onto described active ingredient on the described particulate inert carrier by the compression spraying method, and the method for spraying described coating agent among the described step C is the surface that evenly is sprayed onto described particulate inert carrier by the coating agent after with described heating and melting of disc spray method or compression spraying method.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention and preparation method thereof, it adopts unique processing step, with allyl isothiocyanate, glutaraldehyde is an active ingredient, be aided with the particulate inert carrier, stabilizing agent and covering are prepared from, owing to taked to coat one deck covering again at the particulate inert carrier surface, make active ingredient slowly discharge, through indoor and storage evidence, storage extermination of disease and insect pest sustained-release granular formulation of the present invention is to the storage pest gelechiid, corn weevil, paddy is stupid, adzuki bean weevil, pea weevil, cadelle, grain weevil, booklice, beetle, mites etc. have very strong killing and remove effect; Storage mould aspergillus flavus, aspergillus oryzae, aspergillus niger, mould etc. there is very high biologically active.The medicine carrying amount height of storage extermination of disease and insect pest sustained-release granular formulation of the present invention, active constituents of medicine slowly discharge, and can effectively prevent and treat the storage damage by disease and insect, and to operator safety, environmentally friendly, there is not medicament residue, meet food safety requirements.Because storage extermination of disease and insect pest sustained-release granular formulation of the present invention is effective to main storage pest and bacteria-treating, can long-acting control damage by disease and insect, reduce the medication number of times, the reduction drug cost, each link safety economy such as producing, transportation stores, uses, save human and material resources, can not endanger environment, green safety.Therefore, storage extermination of disease and insect pest sustained-release granular formulation of the present invention and preparation method thereof has outstanding substantive distinguishing features and obvious improvement.
Below the present invention's extermination of disease and insect pest sustained-release granular formulation and preparation method thereof of storing in a warehouse is described further.
Embodiment
The present invention's extermination of disease and insect pest sustained-release granular formulation of storing in a warehouse, comprise granular inert carrier, the particulate inert carrier is a kaolin, the particle diameter of particulate inert carrier is 0.1mm-10mm, be adsorbed with active ingredient on the particulate inert carrier, active ingredient is by allyl isothiocyanate, glutaraldehyde and stabilizing agent constitute, stabilizing agent is 2, the 6-di-tert-butyl-4-methy phenol, described particulate inert carrier be coated with the coating agent, the coating agent is a polyethylene glycol, wherein the percentage by weight of particulate inert carrier is 55%, and the percentage by weight of allyl isothiocyanate is 20%, and the percentage by weight of glutaraldehyde is 10%, the percentage by weight of stabilizing agent is 5%, and the percentage by weight of coating agent is 10%.
The percentage by weight of above-mentioned particulate inert carrier also can be 96.9%, and the percentage by weight of allyl isothiocyanate is 1%, and the percentage by weight of glutaraldehyde is 1%, and the percentage by weight of stabilizing agent is 0.1%, and the percentage by weight of coating agent is 1%.
The percentage by weight of above-mentioned particulate inert carrier can also be 86.9%, and the percentage by weight of allyl isothiocyanate is 10%, and the percentage by weight of glutaraldehyde is 1%, and the percentage by weight of stabilizing agent is 0.1%, and the percentage by weight of coating agent is 2%.
The percentage by weight of above-mentioned particulate inert carrier also can be 86.9%, and the percentage by weight of allyl isothiocyanate is 1%, and the percentage by weight of glutaraldehyde is 2%, and the percentage by weight of stabilizing agent is 0.1%, and the percentage by weight of coating agent is 10%.
The percentage by weight of above-mentioned particulate inert carrier also can be 82.9%, and the percentage by weight of allyl isothiocyanate is 5%, and the percentage by weight of glutaraldehyde is 2%, and the percentage by weight of stabilizing agent is 1.1%, and the percentage by weight of coating agent is 9%.
The percentage by weight of above-mentioned particulate inert carrier also can be 82.9%, and the percentage by weight of allyl isothiocyanate is 5%, and the percentage by weight of glutaraldehyde is 2%, and the percentage by weight of stabilizing agent is 1.1%, and the percentage by weight of coating agent is 9%.
The percentage by weight of above-mentioned particulate inert carrier also can be 80%, and the percentage by weight of allyl isothiocyanate is 5%, and the percentage by weight of glutaraldehyde is 5%, and the percentage by weight of stabilizing agent is 5%, and the percentage by weight of coating agent is 5%.
The percentage by weight of above-mentioned particulate inert carrier also can be 70%, and the percentage by weight of allyl isothiocyanate is 15%, and the percentage by weight of glutaraldehyde is 9%, and the percentage by weight of stabilizing agent is 5%, and the percentage by weight of coating agent is 1%.
Aforementioned stable agent 2, the 6-di-tert-butyl-4-methy phenol also can be used any one or its several replacements in ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, ascorbic acid or the citric acid, above-mentioned particulate inert carrier kaolin also can be used any one replacement in bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, clay or the high-purity soil, and above-mentioned coating agent polyethylene glycol also can use stearic acid, paraffin or rosin to replace.
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention, it comprises the steps:
A, be 55% according to the kaolinic percentage by weight of particulate inert carrier, the percentage by weight of allyl isothiocyanate is 20%, the percentage by weight of glutaraldehyde is 10%, stabilizing agent 2, the percentage by weight of 6-di-tert-butyl-4-methy phenol is 5%, the percentage by weight of coating agent polyethylene glycol is 10% preparation feed particles shape inert carrier, allyl isothiocyanate, glutaraldehyde, stabilizing agent and coating agent, and allyl isothiocyanate, glutaraldehyde, stabilizing agent that will be wherein mix, and obtains active ingredient;
B, be sprayed onto active ingredient on the particulate inert carrier and stir, the method of spraying active ingredient left standstill it 1 hour or 1.2 hours or 1.5 hours or 1.8 hours or 2 hours then for by disc spray method or compression spraying method described active ingredient is sprayed onto on the particulate inert carrier;
C, with behind the coating agent heating and melting, it is sprayed at the surface of particulate inert carrier, the method of spraying the coating agent is for evenly being sprayed onto the surface of described particulate inert carrier by the coating agent of compression spraying method after with described heating and melting, utilize the coating agent that the particulate inert carrier is wrapped up, can obtain storage extermination of disease and insect pest sustained-release granular formulation of the present invention.
Aforementioned stable agent 2, the 6-di-tert-butyl-4-methy phenol also can be used any one or its several replacements in ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, ascorbic acid or the citric acid, above-mentioned particulate inert carrier kaolin also can be used any one or its several replacements in bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, clay or the high-purity soil, and above-mentioned coating agent polyethylene glycol also can use stearic acid, paraffin or rosin replacement.
With 20g/m
3After using 30 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 97%, the inhibition activity of wheat aspergillus flavus is higher than 92%.
Embodiment 1
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
Earlier with glutaraldehyde 10g, allyl isothiocyanate 5g, stabilizing agent 2,6-di-tert-butyl-4-methy phenol 0.2g mixes, obtain active ingredient, by compression spraying with active ingredient evenly be sprayed at 182.8g, average grain diameter is on the particulate inert carrier potter's clay of 2mm, stir while spraying, left standstill after stirring 1 hour.The about 2g of heating and melting coating agent Macrogol 2000, adopting the even spraying coating agent Macrogol 2000 that uses the same method is adsorbing on the particulate inert carrier of active ingredient, stir while spraying, after stirring, promptly obtain storage extermination of disease and insect pest sustained-release granular formulation product 200g of the present invention, contain effective composition 7.5%.
With 20g/m
3After using 30 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 97%, the inhibition activity of wheat aspergillus flavus is higher than 92%.
Embodiment 2
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
Glutaraldehyde 3g, allyl isothiocyanate 15g, stabilizing agent ditert-butylhydro quinone 2g are mixed, obtain active ingredient, by compression spraying with active ingredient evenly be sprayed at 170g, average grain diameter is on the particulate inert carrier diatomite of 3mm, stir while spraying, left standstill after stirring 2 hours.Heating and melting coating agent stearic acid 10g, adopt and use the same method even spraying coating agent stearic acid on the granule that adsorbs active ingredient, stir while spraying, after stirring, promptly obtain storage extermination of disease and insect pest sustained-release granular formulation product 200g of the present invention, contain effective composition 9%.
With 20g/m
3After using 50 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 96%, the inhibition activity of wheat aspergillus flavus is higher than 90%.
Embodiment 3
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
Glutaraldehyde 5g, allyl isothiocyanate 5g, stabilizing agent butylated hydroxy anisole 1g are mixed, obtain active ingredient, by compression spraying with active ingredient evenly be sprayed at 184g, average grain diameter is on the particulate inert carrier bentonite of 5mm, stir while spraying, left standstill after stirring 2 hours.Heating and melting coating agent paraffin 5g, adopt and use the same method even spraying fusion coating agent paraffin on the granule that adsorbs active ingredient, stir while spraying, after stirring, promptly obtain storage extermination of disease and insect pest sustained-release granular formulation product 200g of the present invention, contain effective composition 5%.
With 30g/m
3After using 40 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 95%, the inhibition activity of wheat aspergillus flavus is higher than 93%.
Embodiment 4
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
Glutaraldehyde 5g, allyl isothiocyanate 15g, stabilizing agent n-propyl gallate 1g are mixed, obtain active ingredient, by compression spraying with active ingredient evenly be sprayed at 173g, average grain diameter is on the particulate inert carrier kaolin of 4mm, stir while spraying, left standstill after stirring 1 hour.Heating and melting coating agent rosin 6g, adopt and use the same method even spraying fusion coating agent rosin on the granule that adsorbs active ingredient, stir while spraying, after stirring, promptly obtain storage extermination of disease and insect pest sustained-release granular formulation product 200g of the present invention, contain effective composition 10%.
With 20g/m
3After using 60 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 95%, the inhibition activity of wheat aspergillus flavus is higher than 89%.
Embodiment 5
The preparation method of storage extermination of disease and insect pest sustained-release granular formulation of the present invention comprises the steps:
Glutaraldehyde 1g, allyl isothiocyanate 1g, stabilizing agent ditert-butylhydro quinone 0.5g are mixed, obtain active ingredient, by compression spraying with active ingredient evenly be sprayed at 192.5g, average grain diameter is on the particulate inert carrier sepiolite of 8mm, stir while spraying, left standstill after stirring 2 hours.Heating and melting coating agent stearic acid 5g, adopt and use the same method even spraying coating agent stearic acid on the granule that adsorbs active ingredient, stir while spraying, after stirring, promptly obtain storage extermination of disease and insect pest sustained-release granular formulation product 200g of the present invention, contain effective composition 1%.
With 100g/m
3After using 50 days, the wheat wheat pretty young woman larva rate of preventing and kill off is remained on more than 94%, the inhibition activity of wheat aspergillus flavus is higher than 86%.
Storage extermination of disease and insect pest sustained-release granular formulation of the present invention, with allyl isothiocyanate, glutaraldehyde is active ingredient, auxilliary inert carrier, stabilizing agent, coating agent, be prepared from by the disc spray method, its medicine carrying amount height, active constituents of medicine slowly discharge, and be respond well to the storage extermination of disease and insect pest of grain, tobacco, feed, traditional Chinese medicine; Each link safety economy such as producing, transportation stores, uses, save human and material resources, can effectively reduce because of the harm to environment such as use methyl bromide fumigation agent in a large number.Through indoor and storage evidence, storage extermination of disease and insect pest slowly-releasing granula of the present invention, very strong killing such as, adzuki bean weevil stupid to storage pest gelechiid, corn weevil, paddy, pea weevil, cadelle, grain weevil, booklice, beetle, mite are removed effect, and storage mould aspergillus flavus, aspergillus oryzae, aspergillus niger, mould etc. are had very high biologically active.
Storage extermination of disease and insect pest slowly-releasing granula of the present invention is to operator safety, and is environmentally friendly, do not have medicament residue, meets food safety requirements.
Embodiment recited above is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical solution of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (6)
1. storage extermination of disease and insect pest sustained-release granular formulation, it is characterized in that comprising granular inert carrier, be adsorbed with active ingredient on the particulate inert carrier, active ingredient is made of allyl isothiocyanate, glutaraldehyde and stabilizing agent, described particulate inert carrier be coated with the coating agent, wherein:
The percentage by weight of described particulate inert carrier is 55-96.9%,
The percentage by weight of described allyl isothiocyanate is 1-20%,
The percentage by weight of described glutaraldehyde is 1-10%,
The percentage by weight of described stabilizing agent is 0.1-5%,
The percentage by weight of described coating agent is 1-10%.
2. storage extermination of disease and insect pest sustained-release granular formulation according to claim 1, it is characterized in that: described particulate inert carrier is a kaolin, bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, any one or its several making in clay or the high-purity soil, the particle diameter of particulate inert carrier is 0.1mm-10mm, described stabilizing agent is 2, the 6-di-tert-butyl-4-methy phenol, ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, in ascorbic acid or the citric acid any one or its several, described coating agent is a polyethylene glycol, stearic acid, paraffin or rosin.
3. storage extermination of disease and insect pest sustained-release granular formulation according to claim 1, it is characterized in that: described particulate inert carrier is a kaolin, bentonite, atlapulgite, sepiolite, white carbon black, diatomite, precipitated calcium carbonate, talcum powder, the plaster of paris, chalky soil, potter's clay, imvite, in clay or the high-purity soil any one or its several, the particle diameter of particulate inert carrier is 0.1mm-10mm, described stabilizing agent is 2, the 6-di-tert-butyl-4-methy phenol, ditert-butylhydro quinone, butylated hydroxy anisole, n-propyl gallate, in ascorbic acid or the citric acid any one or its several, described coating agent is a polyethylene glycol, stearic acid, paraffin or rosin, the weight ratio of described glutaraldehyde and described allyl isothiocyanate are 1: 0.2-20.
4. storage extermination of disease and insect pest sustained-release granular formulation according to claim 3 is characterized in that: the weight ratio of described glutaraldehyde and described allyl isothiocyanate is 1: 0.5-10.
5. the preparation method of any one described storage extermination of disease and insect pest sustained-release granular formulation in the preparation claim 1 to 4 is characterized in that comprising the steps:
A, prepare feed particles shape inert carrier, allyl isothiocyanate, glutaraldehyde, stabilizing agent and coating agent according to any one described percentage by weight in the claim 1 to 4, and allyl isothiocyanate, glutaraldehyde, stabilizing agent that will be wherein mix, and obtains active ingredient;
B, be sprayed onto described active ingredient on the described particulate inert carrier and stir, it is left standstill 1-2 hour then;
C, with behind the described coating agent heating and melting, with its surface that is sprayed at described particulate inert carrier, it is wrapped up, obtain storage extermination of disease and insect pest sustained-release granular formulation of the present invention.
6. the preparation method of storage extermination of disease and insect pest sustained-release granular formulation according to claim 5, it is characterized in that: the method for spraying described active ingredient among the described step B is for to be sprayed onto described active ingredient on the described particulate inert carrier by the compression spraying method, and the method for spraying described coating agent among the described step C is the surface that evenly is sprayed onto described particulate inert carrier by the coating agent after with described heating and melting of disc spray method or compression spraying method.
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| CN 200910244621 CN101743990B (en) | 2009-12-31 | 2009-12-31 | Sustained-release granule for controlling storage diseases and insect pests and preparation method thereof |
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| CN110278960A (en) * | 2019-07-04 | 2019-09-27 | 南京新安中绿生物科技有限公司 | The control method of phytophthora infestans and its caused plant disease |
| CN110200005B (en) * | 2019-07-04 | 2021-03-30 | 南京新安中绿生物科技有限公司 | Bactericide composition and controlled release system and application thereof |
| CN110250196B (en) * | 2019-07-04 | 2021-04-13 | 南京新安中绿生物科技有限公司 | Pesticide composition and controlled release system and application thereof |
| CN113115772A (en) * | 2021-03-30 | 2021-07-16 | 仲恺农业工程学院 | Slow-release pesticide with expanded perlite as carrier and preparation method thereof |
| CN114586800A (en) * | 2022-03-02 | 2022-06-07 | 江西省农业科学院植物保护研究所 | Pharmaceutical composition and application thereof in prevention and control of spodoptera frugiperda |
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