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Low-foam tackifying type glyphosate aqueous solution assistant and preparation method thereof

A glyphosate water agent and adjuvant technology, applied in the field of pesticides, can solve the problems of reducing the uniformity of glyphosate dispersion, affecting the use effect of products, and the long way to go in research, so as to achieve good drug compatibility and improve Effective utilization rate and obvious effect of thickening effect

Inactive Publication Date: 2020-06-26
南京拓呗新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

3. When the temperature is low, the action speed is slower and the effect is not obvious
4. The foam produced by glyphosate will reduce the dispersion uniformity of glyphosate; the air filled in the foam will affect the use effect of the product; the foam will even affect the operation of the spray, making the spray spray uneven; When encapsulating, because of the foam, the amount of encapsulation will not reach the original expectation, which will reduce the reputation of its own products
[0005] At present, there are not yet several low-foaming and viscosity-increasing special additives for glyphosate in China that meet the requirements of economy, environmental protection and high efficiency.

Method used

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  • Low-foam tackifying type glyphosate aqueous solution assistant and preparation method thereof
  • Low-foam tackifying type glyphosate aqueous solution assistant and preparation method thereof
  • Low-foam tackifying type glyphosate aqueous solution assistant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Take the following weights: mix measured 10% dichlorovalerythrin and 2% trisiloxane polyoxyethylene ether phosphate into the reaction kettle, stir well and then add weighed 8% cetyl alcohol polyoxygen Vinyl ether, stirred at 50°C for 5 minutes, then added 5% sodium lauroyl sarcosinate and water, stirred and dissolved, then added quantitative 4% N-methylpyrrolidone, 4% tetraethyl perfluorooctane sulfonate Ammonium ammonium, stirred and dispersed for 15 minutes, and finally 12% polyethylene glycol was added to the product, stirred and mixed evenly, sent to a colloid mill, and ground for 10 minutes to obtain a special additive for low-foaming viscosity-increasing glyphosate water.

[0036] Viscosity determination of the prepared low-foaming viscosity-increasing special additive for glyphosate water preparation:

[0037] Instrument: NDJ-79 rotary viscometer (Shanghai Changji Geological Instrument Co., Ltd.);

[0038] Test temperature: room temperature;

[0039] Rotor: No....

Embodiment 2

[0050] Take the following weights: mix measured 15% dichlorovalerythrin and 5% trisiloxane polyoxyethylene ether phosphate into the reaction kettle, stir well and then add weighed 7% cetyl alcohol polyoxygen Vinyl ether, stirred at 50°C for 5 minutes, then added 6% sodium lauroyl sarcosinate and water, stirred and dissolved, then added quantitative 5% N-methylpyrrolidone, 5% tetraethyl perfluorooctane sulfonate Stir and disperse for 15 minutes, and finally add 13% polyethylene glycol to the product, stir and mix evenly, send it to a colloid mill, and grind for 10 minutes to obtain a special additive for low-foam viscosity-increasing glyphosate water.

[0051] According to the test method of Example 1, the pH value of the special additive for low-foam thickening type glyphosate water preparation prepared by this formula is 5.6, the viscosity is 330mPa.s, the surface tension is 17.2mN / m, and the foam height is 4mL.

Embodiment 3

[0053] Take the following weight of material: mix measured 8% dichlorovalerythrin and 3% trisiloxane polyoxyethylene ether phosphate into the reaction kettle, stir well and then add weighed 6% cetyl alcohol polyoxygen Vinyl ether, stirred at 50°C for 5 minutes, then added 5% sodium lauroyl sarcosinate and water, stirred and dissolved, added quantitative 6% N-methylpyrrolidone, 4% tetraethyl perfluorooctane sulfonate Stir and disperse for 15 minutes, and finally add 13% polyethylene glycol to the product, stir and mix evenly, send it to a colloid mill, and grind for 10 minutes to obtain a special additive for low-foam viscosity-increasing glyphosate water.

[0054] According to the test method of Example 1, the pH value of the special additive for low-foaming viscosifying glyphosate water preparation prepared by this formula is 5.4, the viscosity is 320mPa.s, the surface tension is 16.9mN / m, and the foam height is 4mL. :

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Abstract

The invention discloses an assistant special for a low-foam tackifying type glyphosate aqueous solution. The assistant is characterized by comprising the following substances by mass percentage: 8%-15% of chlorempenthrin, 5%-9% of a surfactant, 3%-7% of tetraethylammonium perfluorooctanesulfonate, 4%-7% of sodium lauroyl sarcosinate, 10%-14% of polyethylene glycol, 2%-8% of N-methyl pyrrolidone and 1%-5% of trisiloxane polyoxyethylene ether phosphate. The invention further discloses a preparation method of the assistant special for the low-foam tackifying type glyphosate aqueous solution.

Description

technical field [0001] The invention belongs to the pesticide technology, in particular to a low-foaming viscosity-increasing glyphosate water adjuvant and a preparation method thereof. Background technique [0002] Glyphosate is an organophosphate herbicide. The pure product is a non-volatile white solid, insoluble in common organic solvents, and its isopropylamine salt is completely soluble in water. Combustible, non-explosive, stable at room temperature. It is usually made into isopropylamine salt or sodium salt when it is usually used. Glyphosate is a low-toxic herbicide with low toxicity to humans and animals. [0003] Glyphosate is a systemic broad-spectrum herbicide. It mainly inhibits the enolpyruvyl shikimelin phosphate synthase in plants, thereby inhibiting the conversion of shikimelin to phenylalanine, tyrosine and tryptophan, interfering with protein synthesis and causing plant death. After entering the soil, glyphosate quickly combines with iron, aluminum a...

Claims

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Application Information

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IPC IPC(8): A01N25/02A01N57/20A01N25/24A01N25/30A01N25/00A01P13/00
CPCA01N25/00A01N25/02A01N25/24A01N25/30A01N57/20
Inventor 何华雄
Owner 南京拓呗新材料科技有限公司
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