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Ammonium stearate colloid for coating or flocking process and preparation method of ammonium stearate colloid

A technology of amine stearate and stearic acid, which is applied in the field of amine stearate colloid and its preparation, can solve problems such as poor product transparency, poor control, and difficult product quality assurance, and achieve good market prospects, improve quality, easy-to-handle effects

Inactive Publication Date: 2019-06-14
洛阳烨方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

However, the traditional stearic acid amine production process is to react some components such as stearic acid at a higher temperature, and there are disadvantages such as poor control and difficult product quality assurance in industrial production, and the produced products have poor transparency.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of aqueous stearic acid dispersion

[0022] Add 25kg of stearic acid granules into the reaction kettle, heat until the stearic acid is completely melted; add 1.2kg of styrene-maleic anhydride copolymer and 3kg of gum arabic to the molten stearic acid under stirring, stir and disperse for 30 min, Then add 70.6kg of water, stop stirring after the reaction system is cooled to room temperature, and add 200g of polyether ester defoamer; the resulting mixture is sent to a high-pressure homogenizer for homogeneous dispersion for 20min at a pressure of 20MPa to obtain a solid content of 25 % stearic acid aqueous dispersion.

[0023] (2), preparation of stearic acid amine colloid

[0024] A kind of stearic acid amine colloid and preparation method thereof for coating or flocking process, its specific steps are: add aqueous stearic acid dispersion liquid 85kg, triethanolamine 15kg successively in stirring container, stir under normal temperature and pressure for ...

Embodiment 2

[0026] (1) Preparation of aqueous stearic acid dispersion

[0027] Add 10kg of stearic acid granules into the reaction kettle, heat until the stearic acid is completely melted; add 800g of styrene-maleic anhydride copolymer and 2kg of gum arabic to the molten stearic acid under stirring, stir and disperse for 30 min, and then Add 87.15kg of water, stop stirring after the reaction system is cooled to room temperature, add 50g of polyether ester defoamer; the resulting mixture is sent to a high-pressure homogenizer for homogeneous dispersion at a pressure of 40MPa for 25min, and a solid content of 10% is obtained. stearic acid aqueous dispersion.

[0028] (2), preparation of stearic acid amine colloid

[0029] A kind of stearic acid amine colloid and preparation method thereof for coating or flocking process, its specific steps are: add aqueous stearic acid dispersion liquid 95kg, triethanolamine 5kg successively in stirring container, stir under normal temperature and pressure...

Embodiment 3

[0031] (1) Preparation of aqueous stearic acid dispersion

[0032] Add 30kg of stearic acid granules into the reaction kettle, heat until the stearic acid is completely melted; add 2kg of styrene-maleic anhydride copolymer and 4kg of gum arabic to the molten stearic acid under stirring, stir and disperse for 40 min, and then Add 63.75kg of water, stop stirring after the reaction system is cooled to room temperature, and add 250g of polyether ester defoamer; the resulting mixture is sent to a high-pressure homogenizer for homogeneous dispersion at 60MPa pressure for 30min, and a solid content of 30% is obtained. stearic acid aqueous dispersion.

[0033] (2), preparation of stearic acid amine colloid

[0034] A kind of stearic acid amine colloid and preparation method thereof for coating or flocking process, its specific steps are: add aqueous stearic acid dispersion liquid 88kg, triethanolamine 12kg successively in stirring container, stir under normal temperature and pressure...

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PUM

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Abstract

The invention discloses an ammonium stearate colloid for a coating or flocking process, which consists of the following components in percentage by weight: 80-95% of water-based stearic acid dispersion liquid and 5-20% of triethanolamine; a preparation method of the ammonium stearate colloid comprises the following steps: sequentially adding the water-based stearic acid dispersion liquid and triethanolamine into a stirring container, uniformly stirring at normal temperature and normal pressure, adjusting the pH value to 7-9, and fully stirring until a semi-transparent colloid appears to obtainthe ammonium stearate colloid with the solid content of 10-40%. The preparation method has the advantages of easily available raw materials, simple process flow, and safe reaction conditions, and colloidal ammonium stearate has excellent stability, high purity and convenience in use.

Description

technical field [0001] The invention belongs to the technical field of chemical auxiliary agents, and in particular relates to a stearic acid amine colloid used in coating or flocking technology and a preparation method thereof. Background technique [0002] Stearic acid amine colloid is widely used as a foam stabilizer in foam coating and foam electrostatic flocking industries at home and abroad because of its high transparency and good foam stabilization performance. However, the traditional stearic acid amine production process is to react some components such as stearic acid at a higher temperature, which has the disadvantages of poor control and difficult product quality assurance in industrial production, and the produced product has poor transparency. Contents of the invention [0003] In order to solve the above problems, the purpose of this invention is to provide a kind of stearic acid amine colloid for coating or flocking process, disclose the preparation method...

Claims

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Application Information

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IPC IPC(8): C09D7/63C09D7/65C09J11/06C09J11/08
Inventor 李晋井蒙蒙
Owner 洛阳烨方新材料科技有限公司
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