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2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets) and preparation method thereof

A technology of chlorophenoxyacetate and methyl, applied in the field of soluble granules and preparation thereof, can solve the problems of high energy consumption, complicated processing technology, increased production cost and the like, and achieves simplified process flow and high storage stability. , the effect of easy measurement

Inactive Publication Date: 2014-06-11
ZHEJIANG XINAN CHEM INDAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of direct drying, crushing and powder extraction will inevitably result in large energy consumption and increase production costs.
[0007] Patent CN102440248A discloses a 2-methyl-4-chloro-salt water dispersible granule (tablet) and its preparation method, but its processing technology is complex, and it also needs to be pulverized by an ultrafine / jet mill, and a dispersant needs to be added, which increases the cost of production

Method used

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  • 2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets) and preparation method thereof
  • 2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets) and preparation method thereof
  • 2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets) and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Put 70kg of 2-methyl-4-chlorine raw powder and 20kg of potassium hydroxide into the mixer, add 20kg of water, heat up to 103°C, mix and react for 40 minutes, then cool to 90°C, continue to add 10kg of sodium sulfate, mix for 20 minutes, and set the temperature at 30°C Put it into an extrusion granulator for granulation, dry, and sieve to obtain 88.8% 2M 4 chloride potassium salt soluble granules.

Embodiment 2

[0036] Put 65kg of 2-methyl-4-chlorine raw powder and 25.6kg of ammonium bicarbonate into the mixer, add 18kg of water, heat up to 100°C, mix and react for 40 minutes, cool to 90°C, continue to add 8kg of alkyl polyglycosides, 1kg of lactose, and mix for 20 minutes Finally, put it into an extrusion granulator at 30°C for granulation, dry, and sieve to obtain 88.7% 2-methyl-4-ammonium chloride salt soluble granules.

Embodiment 3

[0038] Put 50kg of 2-methyl-4-chlorine raw powder and 13.2kg of sodium carbonate into the mixer, add 15kg of water, heat up to 100°C, mix and react for 40 minutes, cool to 90°C, continue to add 8kg of sodium dodecylbenzenesulfonate, 1.5 kg of lactose kg, 14 kg of sodium sulfate, after mixing for 20 minutes, put it into an extrusion granulator at 25°C for granulation, dry, and sieve to obtain 70.3% 2M 4 chloride sodium salt soluble granules.

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Abstract

The invention relates to soluble granules or tablets which take 2-methyl-4-chloro-phenoxyacetic acid salt as active component and comprises an auxiliary additive, wherein the auxiliary additive is acceptable in the aspect of pesticide; the weight percent of the 2-methyl-4-chloro-phenoxyacetic acid salt active component is 2-98%; the auxiliary additive which is acceptable in the aspect of pesticide comprises one or combination of more than two in wetting agent, adhesive, disintegrating agent, defoaming agent, filler and the like. The invention also relates to a preparation method of the 2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets). The method comprises the steps of enabling 2-methyl-4-chloro-phenoxyacetic acid to have reaction with alkaline matter to produce salt, and then directly feeding the auxiliary additive into the product without taking out the product, or feeding the auxiliary additive into 2-methyl-4-chloro-phenoxyacetic acid salt raw powder, and pelleting or tabletting to obtain the 2-methyl-4-chloro-phenoxyacetic acid salt soluble granules (tablets).

Description

Technical field: [0001] The invention relates to a soluble granule (tablet) agent of a plant growth regulator and a preparation method thereof, in particular to a soluble granule (tablet) agent with 2-methyl-4 chloride salt as an active component and a preparation method thereof . Background technique: [0002] 2-methyl-4-chlor belongs to phenoxyacetic acid, which is used as a plant growth regulator in agriculture to prevent early flower and fruit drop of tomatoes and other fruits, and form seedless fruits, promote early maturity of crops, and accelerate rooting of cuttings. It can also be used as a herbicide, which is a selective systemic conduction hormone herbicide, which can destroy the conduction tissue of dicotyledonous plants, disturb the growth and development, twist the stems and leaves, and swell and thicken the base of the stems or crack. It is mainly used for post-emergence control of various annual and perennial broad-leaved weeds in wheat, rice, corn and non-c...

Claims

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Application Information

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IPC IPC(8): A01N39/04A01N25/34A01N25/14A01P21/00
Inventor 王伟周曙光秦龙陈静张海良钱志刚李巧军杨旭黄鑫
Owner ZHEJIANG XINAN CHEM INDAL GROUP
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