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Equipment for preparing polyglycerol normal fatty acid ester and operation method thereof

A fatty acid ester and polyglycerin technology, which is applied in the preparation of carboxylic acid esters, chemical instruments and methods, and the preparation of organic compounds, etc., can solve the problems of low production efficiency, achieve short reaction time, light color, and stable non-layering good sex effect

Pending Publication Date: 2021-08-10
佛山市银美联合科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The production efficiency of this cosmetic composition is relatively low

Method used

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  • Equipment for preparing polyglycerol normal fatty acid ester and operation method thereof
  • Equipment for preparing polyglycerol normal fatty acid ester and operation method thereof
  • Equipment for preparing polyglycerol normal fatty acid ester and operation method thereof

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0084] see Figure 1-Figure 7 , this equipment for making polyglycerol n-fatty acid esters includes a reactor 1 with a stirring blade, the outer wall of the reactor 1 is provided with a heating device, and the heating device includes a heating device wrapped around the reactor 1. The heat-conducting coil 2 or the heating jacket on the outer wall, the heat-conducting coil 2 or the heating jacket is wound from the bottom of the reaction kettle to the middle and upper part of the reaction kettle 1, wherein the first heat-conducting oil inlet pipe 7 and the heat-conducting coil 2 Or the lowest part of the heating jacket is connected, the second heat transfer oil inlet pipe 8 is connected with the heat transfer coil 2 or the middle of the heating jacket, and the heat transfer oil outlet pipe 9 is connected with the heat transfer coil 2 or the highest part of the heating jacket. .

[0085] The upper part of the reaction kettle 1 is provided with a first feeding port 14 and a second...

no. 2 example

[0133] In this embodiment, when the polyglycerol is polyglycerol-4, the normal fatty acid is lauric acid, and the molar ratio of polyglycerol-4 to lauric acid is 1 to 1.5:1, the obtained polyglycerol normal fatty acid ester is Polyglycerol-4 laurate; preferably, the molar ratio of polyglycerol-4 to lauric acid is 1.05-1.48:1.

[0134] After the above reaction, the specific index of the obtained polyglycerol-4 laurate is shown in Table 3.

[0135] Table 3

[0136]

[0137] After comparing the parameters of the polyglycerol-4 laurate in Table 3 with the parameters of the same product of Japan Taiyo Chemical Co., Ltd., it can be concluded that the parameters of the two are basically the same.

[0138] The color of this product can be found in Figure 12 .

[0139] Next, the polyglycerol-4 laurate obtained above was detected by infrared chromatography of two functional groups of ester group and hydroxyl group, and the detection results were shown in Figure 23 . The infrar...

no. 3 example

[0143] In this embodiment, the polyglycerol is polyglycerol-10, and the normal fatty acid is stearic acid. When the molar ratio of polyglycerol-10 to stearic acid is 1-1.5:2-2.2, polyglycerol-10 is obtained. 10 distearate. Preferably, the molar ratio of polyglycerol-10 to stearate is 1.04-1.46:2.07-2.2.

[0144] After the mixing reaction, the specific indexes of the obtained polyglycerol-10 distearate are shown in Table 4.

[0145] Table 4

[0146]

[0147]

[0148] After comparing the parameters of the polyglycerol-10 distearate in Table 4 with the parameters of the same product of Nissin Oliver, it can be concluded that the parameters of the two are basically the same.

[0149] The color of this product can be found in Figure 8 .

[0150] Next, the polyglycerol-10 distearate obtained above was detected by the infrared chromatography of the two functional groups of ester group and hydroxyl group, and the detection results were shown in Figure 19 . The infrared spe...

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Abstract

The invention discloses equipment for manufacturing polyglycerol normal fatty acid ester and an operation method thereof. The equipment comprises a reaction kettle with stirring blades, wherein a heating device is arranged on the outer wall of the reaction kettle, the heating device comprises a heat-conducting spiral pipe wound around the outer wall of the reaction kettle, the heat-conducting spiral pipe is wound from the bottom of the reaction kettle to the middle upper part of the reaction kettle, a first heat-conducting oil inlet pipe is communicated with the lowest part of the heat-conducting spiral pipe, a second heat-conducting oil inlet pipe is communicated with the middle part of the heat-conducting spiral pipe, and a heat-conducting oil outlet pipe is communicated with the highest part of the heat-conducting spiral pipe. The operation method comprises the steps of firstly, weighing polyglycerol, normal fatty acid and a basic catalyst according to a ratio respectively, mixing and reacting together to obtain polyglycerol normal fatty acid ester, before feeding and reacting, firstly introducing nitrogen with the pressure of 0.05-0.18 MPa into a reaction kettle, and then vacuumizing with the vacuum degree of 0.06-0.099 MPa. The method has the characteristics of high yield and high solid content.

Description

technical field [0001] The present invention relates to a device for preparing polyglycerol normal fatty acid ester and an operation method thereof. Background technique [0002] Polyglycerol normal fatty acid ester belongs to a category of polyglycerol fatty acid ester. Polyglycerol fatty acid ester is referred to as polyglycerol ester. type surfactant. Its chemical structure contains many hydroxyl groups, which can form hydrogen bonds with water molecules in the air and keep moisturizing for a long time. While moisturizing, it can also play a good role in emulsifying, adjusting viscosity, controlling and adjusting crystallization, and antibacterial. It is formed by esterification of polyglycerol and fatty acid at high temperature, and its acid and alkali resistance, high temperature resistance and emulsification stability are better than its glycerol ester and other emulsifiers. [0003] Polyglycerol fatty acid ester is a very safe food additive. It is non-toxic, odorles...

Claims

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Application Information

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IPC IPC(8): B01J8/10B01J19/18C07C67/08C07C69/30C07C69/58
CPCB01J8/10B01J8/087B01J19/18B01J19/0066B01J19/0053B01J19/0013C07C67/08B01J2219/00094B01J2219/00092C07C69/30C07C69/58
Inventor 李健
Owner 佛山市银美联合科技有限公司
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