Spirodiclofen hot aerosol and preparation method thereof

A technology of spirodiclofen and hot fog agent, which is applied in the field of spirodiclofen hot fog agent and its preparation, and can solve the serious drug resistance of E. and other problems, to achieve the effect of good contact killing effect, high spraying efficiency and strong contact killing effect

Inactive Publication Date: 2010-09-01
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The respective disadvantages of the suspending agent and water-emulsion: the particle size of the suspending agent is large, the effective distribution area is small, it is not easy to be absorbed, and the control effect is not good; the water-emulsion mainly uses organic solvents such as xylene as the carrier, which has great environmental pollution
[0005] In addition, although pyridaben thermal spray and its compound preparations are the existing pesticides for controlling E. six-spotted spider mites on rubber trees, due to frequent use and no other new thermal spray products to replace them, long-term use leads to The mite has developed severe resistance to the insecticide, which makes the pyridaben hot spray product ineffective in controlling E. six-spotted spider mites

Method used

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  • Spirodiclofen hot aerosol and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] According to the following weight ratio 5% spirodiclofen thermal spray:

[0034] Spirodifen 5kg

[0035] Alkylphenol polyoxyethylene ether OP-4 3kg

[0036] Span-20 4kg

[0037] Secondary alcohol polyoxyethylene ether 1kg

[0038] Calcium Lauryl Sulfate 2kg

[0039] Simethicone 0.5kg

[0040] Ethylene glycol 1kg

[0041] Dibutylhydroxytoluene 0.5kg

[0042] Triethylene glycol 40kg

[0043] Aromatic second-line oil 43kg

[0044] The preparation method of spirodiclofen hot fog agent: according to the above raw material ratio, put 5kg of spirodiclofen original drug into the stirring kettle, inject 40kg of solvent triethylene glycol into the kettle, if the dissolution is slow, properly heat to 40°C, and start the stirring kettle Stir, while stirring, add surfactant alkylphenol polyoxyethylene ether OP-4 3kg, Span-20 4kg, secondary alcohol polyoxyethylene ether 1kg, calcium lauryl sulfate 2kg, silicone defoamer dimethyl silicone oil 0.5kg, antifreeze agent ethylene ...

Embodiment 2

[0046] According to the following weight ratio 10% spirodiclofen thermal spray:

[0047] Spirodifen 10kg

[0048] Alkylphenol polyoxyethylene ether OP-7 4kg

[0049] Span-80 5kg

[0050] Ning milk 33# 4kg

[0051] Sodium benzyl naphthalene sulfonate formaldehyde condensate 2kg

[0052] Simethicone 1kg

[0053]Ethylene glycol 1kg

[0054] Dibutyl hydroxytoluene 1kg

[0055] Triethylene glycol 30kg

[0056] Cyclohexanone 10kg

[0057] Aromatic second-line oil 32kg

[0058] The preparation method of spirodiclofen hot fog agent: according to the above raw material ratio, put 10kg of spirodiclofen original drug into the stirring kettle, inject 30kg of solvent triethylene glycol and 10kg of cyclohexanone into the kettle, if the dissolution is slow, heat it to 45 ℃, turn on the stirring tank to stir, and add surfactant alkylphenol polyoxyethylene ether OP-74kg, Span-805kg, Ningru 33#4kg, benzyl naphthalene sulfonate sodium formaldehyde condensate 2kg, organic silicon disinfe...

Embodiment 3

[0060] According to the following weight ratio 15% spirodiclofen thermal spray:

[0061] Spirodifen 15kg

[0062] Alkylphenol polyoxyethylene ether OP-10 4kg

[0063] Span-80 7kg

[0064] Ning milk 33# 3kg

[0065] Secondary alcohol polyoxyethylene ether 3kg

[0066] Sodium methylnaphthalenesulfonate formaldehyde condensate 3kg

[0067] Simethicone 1kg

[0068] Ethylene glycol 1.5kg

[0069] Dibutyl hydroxytoluene 1kg

[0070] Triethylene glycol 30kg

[0071] Cyclohexanone 15kg

[0072] Residual oil 16.5kg

[0073] The preparation method of spirodiclofen hot fog agent: according to the above raw material ratio, put 15kg of spirodiclofen original drug into the stirring kettle, inject 30kg of solvent triethylene glycol into the kettle, if the dissolution is slow, properly heat to 50°C, and start the stirring kettle Stir, add surfactant alkylphenol polyoxyethylene ether OP-10 4kg, Span-80 7kg, Ningru 33# 3kg, sodium methylnaphthalene sulfonate formaldehyde condensate 3k...

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Abstract

The invention discloses a spirodiclofen hot aerosol and a preparation method thereof. The spirodiclofen hot aerosol and the preparation method thereof are characterized in that: the spirodiclofen hot aerosol comprises the following raw materials in percentage by weight: 5 to 20 percent of spirodiclofen, 2 to 25 percent of surface active agent, 1to 2 percent of organic silicon defoamer, 0.5 to 2 percent of anti-freeze agent, 0.5 to 1 percent of antioxidant, and the balance of solvent. The spirodiclofen hot aerosol has the advantages of wide acarid killing spectrum, killing of egg and larva, strong contact poisoning action, long effective period, high utilization efficiency, no cross resistance with the conventional acaricide, and also suitability for preventing and controlling the harm of eotetranychus sexmaculatus riley to a rubber tree, and a high fruit tree, an ornamental plant, protected agriculture and the like.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a spirodiclofen hot spray and a preparation method thereof. Background technique [0002] Eotetranychus sexmaculatus Riley, also known as the rubber yellow spider, belongs to the class Arachnida, the subclass Acari, the order Acarina, and the family Tetranychidae. It is distributed in Japan, the United States and New Zealand abroad; it is distributed in Guangdong, Guangxi, Hainan, Yunnan, Sichuan, Hunan, Jiangxi and Taiwan in China. E. six-spotted mite can damage more than 20 kinds of economic crops and wild plants such as rubber, citrus, tung tree, cashew nut, tea tree, guava, Taiwan acacia, neem, mango and pineapple. Adult mites, nymphs and young mites suck mesophyll tissue, absorb cell fluid and chlorophyll grains. In the beginning, yellow spots appear along the bases of both sides of the main vein on the back of the leaf, and then continue to expand to the side veins. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/12A01N25/04A01P7/02
Inventor 骆焱平朱俊洪张方平
Owner HAINAN UNIVERSITY
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