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Preparation method of water-emulsion non-ionic surfactant

A non-ionic surface, active agent technology, applied in the fields of botanical equipment and methods, biocides, animal repellents, etc., can solve the problems of large environmental pollution, high cost and low efficiency of pesticide formulation preparation, and reduce pesticide pollution. , Enhanced Effect and Rain and Drought Tolerance, Promotes Upgraded Effect

Active Publication Date: 2012-12-12
凤台县精华助剂有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention belongs to a new type of mixing agent prepared from non-ionic surfactant and anionic surfactant, which can not only solve the problems of high cost of pesticide preparation, great environmental pollution, low benefit, etc.

Method used

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  • Preparation method of water-emulsion non-ionic surfactant
  • Preparation method of water-emulsion non-ionic surfactant

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Embodiment 1

[0013] Embodiment 1: the preparation method of water-emulsion nonionic surfactant, comprises the following steps:

[0014] (1) Weigh 4.8-5.2kg of active substance A alkyl glycoside, 4.8-5.2kg of active substance B alkylphenol polyoxyethylene ether phosphate according to the raw materials; 4.8-5.2kg of solvent A water, 4.8-5.2kg of solvent B methanol kg; Auxiliary C silicone oil 0.4-0.6kg and Auxiliary D sodium carboxymethyl cellulose 0.8-1.2kg;

[0015] (2) Add the solvent A and active substance A mentioned in step (1) into the mixing tank in sequence, stir under normal pressure, then raise the temperature to 50°C, continue stirring for 30 minutes to obtain mixture A, and cool down the mixing tank to 30°C;

[0016] (3) Add the solvent B, additive C and active substance B mentioned in step (1) into the mixing tank in sequence, stir under normal pressure, then raise the temperature to 50°C, and continue stirring for 30 minutes to obtain the mixture B;

[0017] (4) Pump the mixt...

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Abstract

The invention discloses a preparation method of a water-emulsion non-ionic surfactant. The method comprises the steps that: an active substance A which is alkyl glycoside, an active substance B which is alkylphenol polyoxyethylene ether phosphate, a solvent A which is water, a solvent B which is methanol, an auxiliary agent C which is organic silicone oil, and an auxiliary agent D which is sodiumcarboxymethyl cellulose are weighed according to certain masses of the components; the solvent A and the active substance A are mixed, such that a mixture A is obtained; the solvent B, the auxiliary agent C, and the active substance B are sequentially added into a mixing vessel, and are mixed, such that a mixture B is obtained; the mixture B is pumped into the mixture A by using a pump; the mixture is stirred, and the auxiliary agent D is added until the auxiliary agent D is completely dissolved, such that the water-emulsion non-ionic surfactant is obtained. With the method provided by the invention, pesticide preparation problems of high cost, high environmental pollution and low effectiveness can be solved. With the method provided by the invention, residual toxicity on crops can be reduced. Also, crop pesticide application effect, rain tolerance and drought tolerance can be improved.

Description

technical field [0001] The invention relates to a surfactant, in particular to a preparation method of a water-emulsion nonionic surfactant. Background technique [0002] Nonionic surfactants are one of the main types of pesticide surfactants, the main component of pesticide mixed emulsifiers, and the most widely used category of pesticide adjuvants. It can be used alone as a pesticide adjuvant, and the mixed adjuvant prepared by mixing with anionic surfactant has better performance, but due to technical difficulties, our country has been unable to break through in this field. Contents of the invention [0003] The object of the present invention is to provide a kind of preparation method of water-emulsion nonionic surfactant. The invention belongs to a novel mixing agent prepared by nonionic surfactant and anionic surfactant, which can not only solve the problems of high preparation cost of pesticide preparation, great environmental pollution, low benefit and the like. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/30
Inventor 朱传路王俊华宋鹏程邵建果朱磊
Owner 凤台县精华助剂有限公司
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