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Self-emulsified microcrystalline wax and its prepn

A technology of microcrystalline wax and self-emulsification, which is applied in the direction of wax physical treatment, etc.

Inactive Publication Date: 2003-01-01
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And the research about self-emulsifying wax has not been reported both at home and abroad

Method used

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Embodiment

[0017] Modified microcrystalline wax (acid value 45.95 mg·KOH / g,) 94% (wt), anionic surfactant dosage is 6% (wt), stirred at a temperature of 85 ° C for 30 minutes, and after cooling, self-emulsified microcrystalline wax can be obtained. Crystal wax.

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Abstract

The self-emulsified microcrystalline wax consists of modified microcrystalline wax in 80-97 wt% and anionic surfactant in 3-20 wt%. It is prepared through the process including preparing modified microcrystalline wax and anionic surfactant separately; mixing, and cooling to form. When it is used, self-emulsified microcrystalline wax is dissolved in hot water to form stable emulsion. The emulsion of the product may be laid stably for at least 20 days without lamination, and is water soluble and cream white. The self emulsion in water of the wax makes it possible to save great amount of transport cost and to prepare the emulsion whenever it is needed.

Description

technical field [0001] The invention relates to a self-emulsifying microcrystalline wax and a preparation method thereof. Background technique [0002] As we all know, the emulsifying wax currently used is a kind of homogeneous fluid containing wax and water, which is made by dispersing various waxes including petroleum wax in water evenly under the action of mechanical external force by means of directional adsorption of emulsifier. . Therefore, the water content in emulsified wax is mostly more than 50%, and some are more. This just brings great inconvenience for the storage and transportation of emulsified wax. [0003] The phenomenon of self-emulsification was discovered by Gad in 1878. He found that sometimes lighter oil can be spontaneously emulsified in heavier water without mechanical stirring during the emulsification process. After that, the research on self-emulsification was mainly carried out with organic liquid as the research object....

Claims

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Application Information

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IPC IPC(8): C10G73/40
Inventor 沈本贤高晋生冯玉梅陈晖陈新沈映蕾
Owner EAST CHINA UNIV OF SCI & TECH