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A kind of preparation method of epoxy fatty acid methyl ester

A technology of epoxy fatty acid methyl ester and epoxy resin, which is applied in the direction of fixing on/in organic carrier, fermentation, multi-enzyme system, etc. The effect of unified management, easy raw material quality and high yield

Active Publication Date: 2018-04-13
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The yield of this reaction mixture will be significantly reduced after alkali treatment; in addition, fatty acid methyl esters are generally derived from waste cooking oil, which is a raw material that cannot be used in food systems

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0029] Weigh 10g epoxy resin ECR8285, soak in 50ml of phosphate buffer (pH is 7.0, ion concentration is 1M) for 30min, then add 1g of partial glyceride lipase Lipase SMG1 and 1g of lipase Lipase CALB to mix and place in After oscillating and adsorbing at 75rpm in a constant temperature oscillator at 30°C for 18h, let stand at 30°C for 20h; after filtering, vacuum-dry at 30°C and 100Pa to constant weight to obtain the immobilized enzyme.

[0030] 100 g of soybean oil, 50 g of hydrogen peroxide (containing 30% hydrogen peroxide), and 10 g of immobilized lipase were added to the reaction vessel, and the epoxidation reaction was carried out at a speed of 200 rpm in a constant temperature oscillator at 30° C. for 24 hours. After the reaction was completed, the reaction mixture was dehydrated and dried at 100 Pa and 30° C. to a constant weight to obtain epoxidized soybean oil.

[0031] 19 g of methanol was added to the reaction container, and the transesterification reaction was car...

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PUM

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Abstract

The invention discloses a method for preparing an epoxidized fatty acid methyl ester. The method for preparing the epoxidized fatty acid methyl ester comprises the steps that after epoxidation of soybean oil is achieved under the catalytic action of immobilized lipase and partial glyceride lipase, a methyl esterification reaction based on epoxy fatty acid acyl is conducted between the soybean oil and methyl alcohol; and after the immobilized lipase is separated and recovered from an obtained reaction product, the methyl alcohol and glycerinum are recovered through reduced pressure distillation, and thus the epoxidized fatty acid methyl ester is obtained. According to the method, the immobilized lipase is used as a catalyzer; the reaction system is simple, and the reaction condition is mild; the product can be separated and purified easily, and the yield of the epoxidized fatty acid methyl ester is high; the content of the epoxidized fatty acid methyl ester is over 98%, and no waste is produced in the whole technological process. In addition, the acid value of the epoxidized fatty acid methyl ester is not higher than 1.0 mg / g.

Description

technical field [0001] The invention relates to a preparation method of epoxy fatty methyl ester. Background technique [0002] Substances added to polymer materials that can enhance the plasticity of polymers can be called plasticizers, also known as plasticizers or plasticizers; they are commonly used additives for plastic products and polymer materials widely used in industrial production Auxiliary. Plasticizers are usually polar or partially polar in structure, and are high-boiling, low-volatility liquids or low-melting solids with good miscibility with polymers, which can increase the softness of materials or liquefy materials. The plasticizing principle of plasticizers is generally distributed between the macromolecular chains of plastic products, which can reduce the force between molecules, reduce the viscosity of polymers, and enhance flexibility. The use of appropriate plasticizers can improve the performance of polymer materials, reduce production costs and incr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P17/02C12N11/18C12N11/08
CPCC12P7/6436C12P17/02
Inventor 王卫飞王永华杨博蓝东明李志刚陈华勇
Owner SOUTH CHINA UNIV OF TECH
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