Lac wax emulsion and preparation method thereof

A shellac wax and emulsion technology, applied in the field of shellac wax emulsion and its preparation, can solve the problems of increasing the amount of solid waste, narrow application mode of shellac wax, waste of shellac wax, etc. and use, suitable for large-scale promotion and application, and the effect of long shelf life

Inactive Publication Date: 2011-06-15
THE RES INST OF RESOURCES INSECTS RIRI OF THE CHINESE ACADEMY OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in the modern shellac industry, shellac wax is only a by-product in the process of manufacturing dewaxed shellac, and it is mostly discarded as waste, which has not only caused a waste of resources but also increased the amount of solid waste to be processed; For the application of paraffin wax, the application method of shellac wax is relatively narrow and primitive. It is only used as a kind of wax for shoe polish, floor wax, and carbon paper. It is directly added to the product, or it is made into an ordinary emulsion for fruit preservation. Moreover, scholars at home and abroad have done little research on its application methods, which has led to the natural renewable resources of shellac wax being buried and wasted.

Method used

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  • Lac wax emulsion and preparation method thereof
  • Lac wax emulsion and preparation method thereof
  • Lac wax emulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 1. Preparation of compound emulsifier

[0043] Add Tween-80, Span-80, and triethanolamine into the reaction container, stir evenly, and prepare a compound emulsifier for future use, wherein, the weight ratio of Tween-80, Span-80, and triethanolamine is 69.8:14.3 : 15.9.

[0044] 2. Prepare shellac wax-emulsifier mixture

[0045] Place a three-necked flask (volume: 250ml) equipped with a stirrer and a thermometer in a HH-601 super constant temperature water bath, and add 10g of refined shellac wax to the three-necked flask, heat while stirring, heat up and maintain the temperature in the water bath 90°C until the shellac wax melts, and the stirring rate is 50r / min;

[0046] Keeping the temperature at 90°C, adding compound emulsifier (16g) to the melted shellac wax, stirring evenly to obtain shellac wax-emulsifier mixture, wherein the weight of shellac wax and compound emulsifier The ratio is 1:1.6, and the stirring speed is 50r / min.

[0047]3. Preparation of lac wax ...

Embodiment 2

[0053] In the process of preparing the compound emulsifier, except that the weight ratio of Tween-80, Span-80 and triethanolamine is: 78:17:5, the rest are the same as in Example 1;

[0054] In the process of preparing the shellac wax-emulsifier mixture, except that the temperature is 88° C., the weight ratio of the shellac wax to the compounded emulsifier is 1: 1.5, and the stirring rate is 100 rpm, all the other are the same as in Example 1;

[0055] In the process of preparing shellac wax colostrum, except that the temperature is 88°C, the stirring rate is 100r / min, the stirring time is 30min, and the weight ratio of the first batch of water to shellac wax is 0.2:1, the rest are the same as in Example 1;

[0056] During the emulsification and phase inversion process, except that the temperature was 88°C, the stirring speed was 1000r / min, the stirring time was 60min, and the weight ratio of the second batch of water to shellac wax was 9.8:1, the rest were the same as in Examp...

Embodiment 3

[0058] Except that the weight ratio of Tween-80, Span-80 and triethanolamine is: 72:17:5 in the process of preparing compound emulsifier, the rest is the same as Example 1;

[0059] In the process of preparing the shellac wax-emulsifier mixture, except that the temperature is 85° C., the weight ratio of the shellac wax to the compounded emulsifier is 1: 1.6, and the stirring rate is 50 rpm, all the other are the same as in Example 1;

[0060] In the process of preparing shellac wax colostrum, except that the temperature is 85°C, the stirring rate is 20r / min, the stirring time is 90min, the weight ratio of the first batch of water and shellac wax is 0.6: 1, and the rest are the same as in Example 1;

[0061] During the emulsification and phase inversion process, except that the temperature was 85°C, the stirring speed was 550r / min, the stirring time was 60min, and the weight ratio of the second batch of water to shellac wax was 11.4:1, the rest were the same as in Example 1.

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Abstract

The invention provides a lac wax nano emulsion and a preparation method thereof. The lac wax emulsion comprises lac wax, Tween-80, Span-80, triethanolamine and water. The preparation method comprises the following steps: 1) evenly mixing the Tween-80, Span-80 and triethanolamine to obtain a compound emulsifying agent; 2) adding the compound emulsifying agent to the molten lac wax, and evenly stirring; and 3) adding water, and stirring to obtain the lac wax emulsion. The lac wax emulsion provided by the invention has a small particle diameter, and the dispersibility, storage stability, centrifugal stability and freezing and thawing stability are satisfactory and can meet the Level 1 national standards. The preparation method of the emulsion is simple, and is suitable for large-scale popularization and application.

Description

technical field [0001] The invention relates to an emulsion and a preparation method thereof, in particular to a shellac wax emulsion and a preparation method thereof. Background technique [0002] Lac wax, also known as shellac wax, is a natural substance secreted by lac insects parasitic on Dalbergia obtuse leaf, Dalbergia simao, and Ficus citrus and other trees to absorb tree sap. It is derived from the natural resin - lac The extracted brown-yellow natural wax has good luster, high hardness, high melting point, and strong solvent retention. Its physical and chemical properties are similar to carnauba wax and sugarcane wax. It is a hard natural wax that can replace carnauba The use of wax; shellac wax can be used as wax for electrical equipment insulation because of its high melting point, good electrical insulation performance and wipe brightness, and can also be used for polishing wax products such as high-grade leather shoe polish, floor wax, belt wax, etc. Raw materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/06C08J3/03
Inventor 李凯张弘周梅村陈晓鸣冯颖郑华张敏
Owner THE RES INST OF RESOURCES INSECTS RIRI OF THE CHINESE ACADEMY OF FORESTRY
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