Acaricidal composition of profenofos and etoxazole and formula instance

A technology of etoxazole and profenofos, applied in the field of pesticides, can solve the problems of mite resistance, decreased drug efficacy, increased drug dosage and the like, and achieves the effect of prolonging shelf life

Inactive Publication Date: 2014-03-26
QINGDAO STAR CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology helps prevent damage caused by certain chemicals used for their purpose during production. It also allows people who work with these substances to have longer lifespan without having them affected due to overuse. By controlling how long they can be exposed to harmful agents, this method ensures that more effective treatments will last up until it needs replacing.

Problems solved by technology

This patented technical problem addressed by this patents relates to finding new compounds for controlling or eliminating harmful animal parasites such as pyreuxonimus spp., brefeldiostrongiasis japonica varroa destructors, whipworms, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: 22.5% profenofos etoxazole suspoemulsion, comprising the following components by weight:

[0020] Original drug: profenofos 15%

[0021] Original drug: etoxazole 7.5%

[0022] Stabilizer: Tributyl Phosphate 3%

[0023] Emulsifier: Ethylene Oxide Propylene Oxide Block Copolymer 4%

[0024] Dispersant: Tristyrylphenol ethoxylate phosphate 3%

[0025] Suspending agent: xanthan gum 0.2%

[0026] Preservative: Kathon 0.2%

[0027] Defoamer: organosilane 0.3%

[0028] Antifreeze: Ethylene Glycol 4%

[0029] Deionized water balance

[0030] Etoxazole original drug, dispersant, wetting agent, part of the defoamer, deionized water after high-speed emulsification and grinding to D90<5μm to make a suspension; add profenofos original drug and stabilizer to emulsifier to make Oil phase; mix antifreeze, defoamer and remaining water to obtain a homogeneous water phase; slowly add etoxazole suspension and water phase to profenofos oil phase, cut to target particle...

Embodiment 2

[0032] Embodiment 2: 20% profenofos etoxazole wettable powder comprises the following components by weight:

[0033] Original drug: profenofos 15%

[0034] Original drug: etoxazole 5%

[0035] Adsorbent: Silica 10%

[0036] Dispersant: calcium lignosulfonate 5%

[0037] Dispersant: sodium naphthalenesulfonate 4%

[0038] Wetting agent: Sodium Lauryl Sulfate 0.2%

[0039] Filler: Anhydrous Sodium Sulfate 10%

[0040] Filler: Kaolin balance

[0041] Firstly, profenofos is completely adsorbed with white carbon black, then mixed evenly according to the ratio of the above formula, and crushed by air flow to a particle size of <30 μm, to obtain the wettable powder of profenofos etoxazole.

Embodiment 3

[0042] Embodiment 3: 25% profenofos etoxazole oil suspension, comprises the following components by weight:

[0043] Original drug: profenofos 20%

[0044] Original drug: etoxazole 5%

[0045] Dispersant: Ethylene Oxide Propylene Oxide Block Copolymer 2%

[0046] Emulsifier: Castor Oil Ethoxylates 2%

[0047] Emulsifier: Geronol VO / 01 15%

[0048] Suspending agent: organic bentonite 4%

[0049] Preservative: Kathon 1%

[0050]corn oil balance

[0051] Mix evenly according to the ratio of the formula above, and after being uniformly dispersed by a disperser, grind to a particle size of D90<3 μm by a sand mill to obtain profenofos etoxazole oil suspension.

[0052] The outstanding point of this example: using corn oil as the dispersion medium is environmentally friendly, economical, convenient and easy to obtain, and meets the national environmental protection requirements.

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PUM

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Abstract

The invention belongs to the technical field of a pesticide, and particularly relates to an acaricidal composition prepared from profenofos and etoxazole by compounding, and an application thereof in the aspects of prevention and treatment of crop mites. The mass ratio of the etoxazole to the profenofos in the composition disclosed by the invention is 100:1 to 1:100. The acaricidal composition plays a synergic effect through compounding, is wide in application range, and friendly to environment, has fast-acting property and persistence, can be used for preventing and treating a plurality of pest mites such as spider mites on a plurality of crops, such as fruit trees, vegetables, tea leaves, as well as spider mites and rust mites on oranges and tangerines, and has an excellent effect on eggs of mites, and the lasting period can be up to 30 days.

Description

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Claims

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Application Information

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Owner QINGDAO STAR CROPSCI
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