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Glyphosate assistant and preparation method thereof

A technology of glyphosate and additives, which is applied in the field of glyphosate soluble powder additives and its preparation, can solve the problems of bag swelling, incomplete reaction, moisture absorption, etc., reduce production costs, and have strong wetting and spreading ability , no environmental pollution effect

Inactive Publication Date: 2014-08-27
段凤羽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this method is that the reaction is not complete, and it will continue to react after long-term storage, producing moisture and carbon dioxide, causing bag swelling and moisture absorption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] A glyphosate additive, comprising the following raw materials in weight percent:

[0090] Anhydrous sodium sulfite 15%

[0091] Sulfamic acid 15%

[0092] Ammonium bicarbonate 60%

[0093] Catalyst 5%

[0094] Surfactant 5%

[0095] Described catalyzer comprises following raw material in weight percent:

[0096] Cocamidopropylamine Oxide 10%

[0097] Sodium Hydroxide 70%

[0098] Oxidizer 10%

[0099] Mixed alcohol 10%.

[0100] The oxidizing agent is hydrogen peroxide.

[0101] Described tensio-active agent comprises following raw material in weight percent

[0102] Isomerized mixed alcohol polyoxyethylene ether 50%

[0103] Complex Fatty Ethoxylates 40%

[0104] Cocamidopropylamine Oxide 10%.

[0105] Preparation of 68% glyphosate soluble powder

[0106] Take 716kg of 95% glyphosate technical material, 326kg of glyphosate auxiliary agent provided in this example and 50kg of ammonium sulfate, add up to 1092kg and stir and mix for 30-40 minutes every 10-15 ...

Embodiment 2

[0109] A glyphosate auxiliary agent is characterized in that: it comprises the following raw materials in weight percent:

[0110] Anhydrous sodium sulfite 20%

[0111] Borax 15%

[0112] Ammonium Bicarbonate 50%

[0113] Catalyst 7%

[0114] Surfactant 8%

[0115] Described catalyzer comprises following raw material in weight percent:

[0116] Cocamidopropylamine Oxide 20%

[0117] Sodium Hydroxide 60%

[0118] Oxidizer 10%

[0119] Mixed alcohol 10%.

[0120] The oxidizing agent is ammonium persulfate.

[0121] Described tensio-active agent comprises following raw material in weight percent

[0122] Isomerized mixed alcohol polyoxyethylene ether 10%

[0123] Complex Fatty Ethoxylates 50%

[0124] Cocamidopropylamine Oxide 40%.

[0125] Preparation of 65% glyphosate soluble powder

[0126] Take 684kg of the original drug of 95% glyphosate and add 326kg of auxiliary agents provided in this example and 100kg of ammonium sulfate gradually under stirring conditions. ...

Embodiment 3

[0129] A glyphosate auxiliary agent is characterized in that: it comprises the following raw materials in weight percent:

[0130] Anhydrous sodium sulfite 30%

[0131] Sulfamic acid 10%

[0132] Ammonium Bicarbonate 40%

[0133]Catalyst 5%

[0134] Surfactant 15%

[0135] Described catalyzer comprises following raw material in weight percent:

[0136] Cocamidopropylamine Oxide 29%

[0137] Sodium Hydroxide 70%

[0138] Oxidizing agent 0.5%

[0139] Mixed alcohol 0.5%.

[0140] The oxidizing agent is sodium perborate.

[0141] Described tensio-active agent comprises following raw material in weight percent

[0142] Isomerized mixed alcohol polyoxyethylene ether 20%

[0143] Complex Fatty Ethoxylates 40%

[0144] Cocamidopropylamine Oxide 40%.

[0145] Preparation of 58% glyphosate soluble powder

[0146] Take 610kg of the original drug of 95% glyphosate and add 290kg of auxiliary agents provided in this example and 200kg of ammonium sulfate gradually under stirrin...

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PUM

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Abstract

The invention discloses a glyphosate assistant and a preparation method thereof. The glyphosate assistant comprises the following raw materials in percentage by weight: 15-30% of anhydrous sodium sulfite, 10-15% of sulphamic acid or sodium borate, 40-60% of ammonium bicarbonate, 5-10% of catalyst and 4-15% of surfactant; the glyphosate assistant can convert glyphosate active compound into glyphosate soluble powder under the condition of normal temperature and normal pressure; the prepared soluble powder is dry, and the expanding or moisture absorption is avoided; the preparation method mainly comprises the steps of preparing surfactant, catalyst and product; and the preparation method is simple and practicable.

Description

technical field [0001] The invention relates to a chemical auxiliary agent, in particular to an auxiliary agent for converting glyphosate original drug into water-soluble glyphosate soluble powder and a preparation method thereof. Background technique [0002] Glyphosate is the pesticide variety with the largest production and sales in the world. It is a herbicide with broad spectrum, high efficiency, low toxicity and excellent environmental compatibility. It is widely used in orchards, vegetable gardens, rubber gardens, non-arable land and crop sowing No tillage and weeding before or after harvest. After the promotion of glyphosate-resistant genetically modified crops, a wider market has been opened up for glyphosate. Due to the poor solubility of the original glyphosate, the common way to solve the problem is to convert it into ammonium glyphosate, [0003] There are two general production methods: one is to use glyphosate raw powder and ammonia gas, liquid ammonia or am...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/14A01N25/30A01N57/20A01P13/00C07F9/38
Inventor 段凤羽
Owner 段凤羽
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