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A kind of water-soluble anti-caking agent and preparation method thereof

An anti-caking agent and water-soluble technology, applied in the field of preparation and application of powdery or crystalline fertilizer anti-caking agent, can solve the problems of reducing the use efficiency, affecting the appearance of chemical fertilizers, etc., achieving better effect and facilitating industrial production , good hydrophilic effect

Active Publication Date: 2014-10-22
HUBEI FORBON NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main reason for fertilizer agglomeration is water exchange between fertilizer particles, salt dissolution and recrystallization, salt bridge formation and other factors. Fertilizer agglomeration not only affects the appearance of fertilizers, but also reduces their use efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The formula of the water-soluble anti-caking agent is: 40 parts of water, 10 parts of ethanol, 10 parts of lauryl fatty alcohol polyoxyethylene ether, 30 parts of polyvinylpyrrolidone, and 10 parts of polymethacrylic acid. The preparation method of the water-soluble anti-caking agent is as follows: : Add 40 parts of water to the reaction kettle with stirring blade and heating device and heat to 35-40 °C, add 10 parts of lauryl fatty alcohol polyoxyethylene ether and 10 parts of ethanol, stir and heat, when the temperature reaches 60 After ℃, add 30 parts of polyvinylpyrrolidone and 10 parts of polymethacrylic acid, and continue to stir for 30 minutes. After the dissolution and dispersion are complete, a colorless and transparent liquid is obtained, and a water-soluble anti-caking agent (Fubon water agent for short) is obtained. .

[0029] Fertilizer test sample: nitro high tower 15-15-15, particle size (2-4mm) 90%

[0030] Anti-caking agent comparison samples: the exis...

Embodiment 2

[0034] The formula of the water-soluble anti-caking agent is: 30 parts of water, 20 parts of isopropanol, 5 parts of sodium dioctyl sulfonate maleate, 5 parts of sodium n-octyl alcohol polyoxyethylene ether carboxylate, 25 parts of polyvinylpyrrolidone Parts, 15 parts of hydrolyzed polymaleic acid, the preparation method of water-soluble anti-caking agent is: add 30 parts of water to the reaction kettle with stirring paddle and heating device, add maleic acid di-secondary acid when heating to 35-40 °C 5 parts of sodium octyl ester sulfonate, 5 parts of sodium n-octyl polyoxyethylene ether carboxylate and 20 parts of isopropanol, stirring and heating, when the temperature reaches 60 °C, add 25 parts of polyvinylpyrrolidone, hydrolyzed polymaleic acid 15 parts, continue to stir for 30 minutes, and after the dissolution and dispersion are complete, a colorless and transparent liquid is obtained, and a water-soluble anti-caking agent (referred to as Fubang water agent) is obtained....

Embodiment 3

[0040] The formula of water-soluble anti-caking agent is: 20 parts of water, 15 parts of methanol, 5 parts of sodium methylene bis-naphthate, 10 parts of sodium myristyl fatty alcohol polyoxyethylene ether sulfonate, maleic acid-acrylic acid copolymer 40 parts and 10 parts of polypropylene alcohol are added to the reactor with stirring paddle. The preparation method of water-soluble anti-caking agent is as follows: add 20 parts of water to the reactor with stirring paddle and heating device and heat to 35-40 At ℃, add 5 parts of sodium methylene dinaphthalene sulfonate, 10 parts of sodium tetradecyl fatty alcohol polyoxyethylene ether sulfonate and 15 parts of methanol, stir and heat, when the temperature reaches 60 ℃, add maleic acid- Mix 40 parts of acrylic acid copolymer and 10 parts of polyacrylic alcohol, and continue to stir for 30 minutes. After the dissolution and dispersion are complete, a colorless and transparent liquid is obtained, and a water-soluble anti-caking ag...

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Abstract

The invention relates to a water-soluble anti-caking agent and a preparation method of the water-soluble anti-caking agent. The water-soluble anti-caking agent is prepared by compounding water-soluble polymers which have low-carbon alcohol and water as enveloping carriers and a surface active agent, and comprises the materials in mass percent as follows: 10 to 50% of water-soluble polymer, 5 to 20% of surface active agent, 10 to 20% of low-carbon alcohol, and 10 to 75% of water; the preparation method comprises the following steps of adding water to a reaction kettle which is provided with agitating blades and a heating device and heating up to 35 to 40 DEG C; adding the surface active agent and the low-carbon alcohol; agitating and heating until the temperature reaches to 60 DEG C; adding the water-soluble polymer; and continuously agitating for 30 minutes until dissolution and dispersion are achieved completely, thus obtaining the water-soluble anti-caking agent. According to the anti-caking agent provided by the invention, the hydrophilic polymers are spread on the surface of the fertilizer so as to lock the free water molecules on the surface of the fertilizer and reduce the activity of low water molecules, as well as prevent a slat bridge from forming among fertilizer particles, thus preventing the fertilizer from caking.

Description

technical field [0001] The invention relates to a water-soluble anti-caking agent and a preparation method thereof, and is especially suitable for the preparation and application of powdery or crystalline fertilizer anti-caking agents. Background technique [0002] Chemical fertilizers, whether powdered or granular, will agglomerate and lose fluidity under certain conditions, and the phenomenon of forming hard lumps is called fertilizer agglomeration. Fertilizer caking usually occurs during material storage, loading and unloading, and transportation. The main reason for fertilizer agglomeration is water exchange between fertilizer particles, salt dissolution and recrystallization, and salt bridge formation. Fertilizer agglomeration not only affects the appearance of fertilizers, but also reduces their use efficiency. In recent years, the development and utilization of fertilizer anti-caking technology has attracted widespread attention. [0003] Currently commonly used fer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 王仁宗杨慧萍刘裕
Owner HUBEI FORBON NEW MATERIAL CO LTD
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