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High-solid-content paraffin emulsion and preparation method thereof

A technology of paraffin wax emulsion and high solid content, which is applied in the field of high solid content paraffin wax emulsion and its preparation, and can solve the problems of low solid content of emulsion, poor control of technical process, complicated production process, etc.

Inactive Publication Date: 2016-12-07
嘉兴瑞勒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

[0004] Traditional paraffin emulsion manufacturing method, the prepared emulsion has low solid content, poor stability, and the production process is complicated, and the technical process is not easy to control

Method used

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Examples

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preparation example Construction

[0040] The embodiment of the present invention provides a kind of preparation method of the paraffin emulsion of high solid content, comprises the following steps:

[0041] S1, heating up the paraffin wax until it is completely melted, adding cationic surfactants and additives to the melted paraffin wax and stirring evenly, heating up to 80-90 degrees to form a mixed solution;

[0042] S2, adding aluminum sulfate into water to dissolve and stirring evenly, then raising the temperature to 65-75 degrees, adding an aqueous solution of aluminum sulfate at 65-75 degrees to the mixed solution while stirring; and

[0043] S3, add the remaining water into the solution obtained in step S2, stir and keep warm at 75-90 degrees, and finally cool rapidly under stirring to obtain a milky white paraffin emulsion.

[0044] In step S1, the cationic surfactant is at least one of fatty alcohol polyoxyethylene ether, cetyltrimethylammonium chloride, fatty amine polyoxyethylene ether and dodecyltr...

Embodiment 1

[0048] Get 100 parts of paraffin, 3 parts of cerotic acid, 4 parts of stearic acid, 1 part of aluminum sulfate, 150 parts of water, 8 parts of fatty alcohol polyoxyethylene ether, and add the paraffin into a simple reaction kettle (the reaction kettle is an open type, with Stir), heat to 60-65 ° C, wait for the paraffin to completely melt. Add stearic acid, wax acid and fatty alcohol polyoxyethylene ether into the melted paraffin to dissolve, stir evenly, and the temperature rises to 75-90°C. Take half a beaker of water in a large beaker, add aluminum sulfate, stir with a glass rod, wait until the aluminum sulfate is completely dissolved, raise the temperature to 60-75°C, and then add it to the reaction kettle while stirring. Add the remaining water into the reaction kettle, and keep stirring for 30 minutes under the condition of 75-90°C. Finally, cool rapidly and stir. The appearance of the emulsion prepared in this embodiment is milky white; pH: 6; solid content: 50wt%.

Embodiment 2

[0050] It is basically the same as Example 1, except that: 100 parts of paraffin, 3 parts of acetic acid, 3 parts of behenic acid, 1 part of aluminum sulfate, 150 parts of water, and 8 parts of cetyltrimethylammonium chloride. The appearance of the emulsion prepared in this embodiment is milky white; pH: 6; solid content: 48wt%.

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Abstract

A preparation method of high-solid-content paraffin emulsion comprises steps as follows: S1, paraffin is heated until the paraffin is completely molten, a cationic surfactant and auxiliaries are added to the molten paraffin, stirred uniformly and heated to 80-90 DEG C, and a mixed solution is formed; S2, aluminum sulfate is added to water, dissolved and stirred uniformly and then is heated to 65-75 DEG C, and an aluminum sulfate aqueous solution at the temperature of 65-75 DEG C is added to the mixed solution during stirring; S3, the rest of water is added to the solution obtained in the S2, stirred at the temperature of 75-90 DEG C and subjected to heat preservation, finally, a mixed solution is sharply cooled during stirring, and the milk-white paraffin emulsion is obtained. The invention further provides the high-solid-content paraffin emulsion prepared with the method.

Description

technical field [0001] The invention relates to a paraffin wax emulsion with high solid content and a preparation method thereof. Background technique [0002] Paraffin wax emulsion is a waxy and water-containing homogeneous fluid made by physical modification of various waxes including petroleum wax. A stable emulsion of solid-oil-water multiphase dispersion system. [0003] With the introduction and implementation of the new concept of "green chemistry", the development and utilization of paraffin wax emulsions have attracted more and more attention. It is recognized that water can be used instead of organic solution as the carrier of wax products, which can greatly reduce the harm to the ecological environment, so the development and utilization of emulsified waxes have very broad prospects. [0004] The traditional paraffin emulsion manufacturing method has low solid content and poor stability, and the production process is complicated and the technical process is not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/05C08L91/06C08L71/02C08K13/02C08K5/09C08K3/30C08K5/19
CPCC08J3/05C08J2391/06C08J2471/02C08K3/30C08K5/09C08K5/19C08K13/02C08K2003/3081C08K2201/014C08L91/06C08L2201/54C08L71/02
Inventor 陈明弟周斌
Owner 嘉兴瑞勒新材料科技有限公司
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