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Method for preparing stearalkonium hectorite

A technology of sterazonium chloride and pyroxene, which is applied in the field of polymer composite materials, can solve problems such as the inability to use oily substances, and achieve the effects of preventing delamination, high yield, and improving viscosity

Pending Publication Date: 2019-01-29
石家庄开发区宝利达科技开发有限公司
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  • Application Information

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Problems solved by technology

However, hectorite can only be used in water-based systems and cannot be used in oily substances (ie organic solvents)

Method used

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Embodiment Construction

[0015] A kind of preparation method of sterazonium chloride hectorite provided by the invention comprises the following steps:

[0016] a1) In the production process of hectorite, the hectorite gel with certain temperature and concentration must be arranged after the hydration reaction is completed;

[0017] Or a2) adding hectorite to deionized water, grinding and stirring to obtain hectorite gel;

[0018] b) adding octadecyl dimethyl benzyl ammonium chloride to the hectorite gel obtained in step a1) or step a2) for mixing, stirring and grinding to make it uniform to obtain a mixture;

[0019] c) leave the mixture obtained in step b) at normal temperature for 24-48h, the mixture changes from viscous to loose and precipitates clear water, after filtering the clear water, the mixture is dried, pulverized, and packaged to obtain sterazonium chloride Hectorite.

[0020] Above-mentioned technical scheme, add modifying agent octadecyl dimethyl benzyl ammonium chloride to hectorite...

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Abstract

The invention discloses a method for preparing stearalkonium hectorite. The method comprises the steps of adding a modifier, i.e., octadecyl dimethyl benzyl ammonium chloride into hectorite gel so asto prepare a mixture, enabling octadecyl dimethyl benzyl ammonium chloride molecules to be thoroughly combined with hectorite molecules and inserted into inter layers of hectorite or replaced with cations in the hectorite, enabling the mixture to become loose from viscous so as to separate out clear water, filtering the clear water, and baking the mixture, thereby obtaining the stearalkonium hectorite. The stearalkonium hectorite prepared by the method is high in yield and high in purity, is free of ferric ions and has an angle of contact with water greater than 90 DEG, so that the stearalkonium hectorite can be melted into oily substances and can be used for improving viscosity in systems of coating materials, ink, cosmetics and the like to prevent products from layering, precipitating and sagging; and due to no ferric ions, a paint film is free of oxidation and discoloration.

Description

technical field [0001] The invention relates to the field of polymer composite materials, in particular to a preparation method of sterazonium chloride hectorite. Background technique [0002] Hectorite, also known as "hectorite, laponite, magnesium lithium silicate", is a non-metallic composite nanomaterial, mineral inorganic gel, the appearance is white powder, non-toxic, tasteless, and has nano characteristics in water-based systems. With unique gelling, thixotropy and adsorption properties, it is often used as thickener, suspending agent, anti-sedimentation agent, adhesive, thixotropic agent and dispersant, and is an ideal viscosity and consistency regulator. However, hectorite can only be used in water-based systems and cannot be used in oily substances (ie organic solvents). Contents of the invention [0003] In view of this, the purpose of this invention is to provide a kind of preparation method of sterazonium chloride hectorite, the obtained sterazonium chloride ...

Claims

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Application Information

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IPC IPC(8): C09D7/62C09D11/03A61K8/26A61K8/41A61Q19/00
CPCC09D7/62A61K8/26A61K8/416A61K2800/10A61K2800/48A61Q19/00C08K3/34C08K9/04C09D11/03
Inventor 陈晴华高风琴郭美娟
Owner 石家庄开发区宝利达科技开发有限公司
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