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Preparation method of monoglyceride particles

A technology of monoglyceride and microparticles, which is applied in the field of preparation of monoglyceride microparticles, can solve the problems of high production cost, dark color, and large particles, and achieve the effects of high equipment efficiency, good color and luster, and large output

Inactive Publication Date: 2014-03-26
江苏向阳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current production process in our country has the following disadvantages: 1. Large particles; 2. The color is relatively dark and yellow; 3. The production cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In a 2000L reactor, add 850 kg of hydrogenated palm oil and 150 kg of 95% glycerol, heat the reactor to 50 degrees for 3 hours of synthesis reaction, add appropriate amount of caustic soda to adjust the pH value to 2, add 80 kg of activated clay for decolorization, filter To remove clay, use a pressure pump to transport the decolorized monoglyceride liquid to a spray granulation device with air cooling (temperature 10 degrees), spray the monoglyceride mist liquid from top to bottom through the spray gun, and cool it with air Serve monoglyceride solid particles 0.8 microns.

Embodiment 2

[0026] In a 2000L reactor, add 860 kg of hydrogenated palm oil and 140 kg of 95% glycerol, heat the reactor to 55 degrees for 3 hours of synthesis reaction, add an appropriate amount of caustic soda to adjust the pH value to 2.2, add 90 kg of activated clay for decolorization, filter To remove clay, use a pressure pump to transport the decolorized monoglyceride liquid to a spray granulation device with air cooling (temperature 12 degrees), spray the monoglyceride mist liquid from top to bottom through the spray gun, and cool it with air Serve monoglyceride solid particles 0.8 microns.

Embodiment 3

[0028] In a 2000L reactor, add 870 kg of hydrogenated palm oil and 130 kg of 95% glycerol, heat the reactor to 58 degrees for 3 hours of synthesis reaction, add an appropriate amount of caustic soda to adjust the pH value to 2.3, add 100 kg of activated clay for decolorization, filter To remove clay, use a pressure pump to transport the decolorized monoglyceride liquid to a spray granulation device with air cooling (temperature 13 degrees), spray the monoglyceride mist liquid from top to bottom through the spray gun, and cool it with air Serve monoglyceride solid particles 0.9 microns.

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Abstract

The invention relates to a preparation method of monoglyceride particles. The preparation method is characterized in that the monoglyceride particles are directly synthesized by adopting hydrogenated palm oil and glycerinum; a proper alkaline substance is added to adjust the acidity; activated clay is added to decolorize; decolorized monoglyceride liquid is conveyed to a spraying granulator with an air cooling function; monoglyceride mist liquid sprinkling from a spray gun from top to bottom forms the monoglyceride particles after being air-cooled. The monoglyceride particles are 0.8-1 micron. By adopting the preparation method, the product is light in color, good in glossiness, and fine in particle, and has better mobility and lubricity. The production equipment is high in efficiency, large in yield, and low in cost. The product produced by the method is especially applicable to being used as a lubricating agent in plastic industry.

Description

technical field [0001] The invention relates to a preparation method of monoglyceride microparticles, and the prepared monoglyceride microparticles are especially suitable for the plastic industry as a lubricant. Background technique [0002] Monoglyceride, also known as glyceryl monostearate, scientifically named glycerin monostearate (English name Glycerin monostearate: GMS or GM). Monoglyceride is a polyol type nonionic surfactant. It is used in the food and cosmetic industry, and also used as a lubricant in the plastic industry. At present, the methods of producing glyceryl monostearate (hereinafter referred to as monoglyceride) at home and abroad mostly adopt the direct synthesis method of fatty acid or stearic acid and glycerin. High-performance monoglycerides (microparticles) used in the high-end plastics industry. Chinese scientific research institutes and large companies have begun to study this product. The research and development of monoglyceride (microparticl...

Claims

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Application Information

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IPC IPC(8): C07C69/30C07C67/08C07C67/56C08K5/103
CPCC07C67/08
Inventor 李祥庆
Owner 江苏向阳科技有限公司
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