Preparation method of rosin glycerin ester

A technology of rosin glycerides and rosin, which is applied in the field of preparation of rosin glycerides, can solve the problems of increasing energy consumption, increasing production costs, reducing the purity and conversion rate of finished rosin glycerides, and achieving cost savings and improving the conversion rate of finished products , Reduce the effect of impurities and by-products

Inactive Publication Date: 2013-12-11
WUZHOU PINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the production process, a large amount of impurities and by-products will be produced, which reduces the purity and conversion rate of the finished ro

Method used

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  • Preparation method of rosin glycerin ester

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Effect test

Embodiment 1

[0014] First vacuum distill the rosin and then cool it to obtain solid refined rosin; put the obtained solid refined rosin, glycerin, and zinc oxide into a reaction vessel for esterification to obtain the present rosin glyceride, the reaction temperature is 270 ° C, and the reaction time is 2 hours;

[0015] The molar ratio of solid refined rosin to glycerin is 3:1; the mass percentage of zinc oxide added to the total mass of solid refined rosin is 0.05%.

Embodiment 2

[0017] First vacuum distill the rosin and then cool it to obtain solid refined rosin; put the obtained solid refined rosin, glycerin, and zinc oxide into a reaction vessel for esterification to obtain the present rosin glyceride, the reaction temperature is 275 ° C, and the reaction time is 3 hours;

[0018] The molar ratio of solid refined rosin to glycerin is 3:1; the amount of zinc oxide added is 0.08% by mass of the total mass of solid refined rosin.

Embodiment 3

[0020] First, the rosin is vacuum distilled and then cooled to obtain solid refined rosin; the obtained solid refined rosin, glycerin, and zinc oxide are put into a reaction vessel for esterification to obtain the present rosin glyceride, the reaction temperature is 280 ° C, and the reaction time is 4 hours;

[0021] The molar ratio of the solid refined rosin to the glycerol is 3:1; the amount of zinc oxide added is 0.1% by mass of the total mass of the solid refined rosin.

[0022] The quality index of the present invention is as table 1:

[0023] Table 1

[0024]

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Abstract

The invention discloses a preparation method of rosin glycerin ester, which relates to the technical field of rosin deep processing. The preparation method comprises the following steps of performing vacuum distillation on rosin, then cooling to obtain solid refined rosin; and placing the obtained solid refined rosin, glycerine and zinc oxide in a reaction container, and performing an esterification reaction for 2-4 hours at a temperature of 270-280 DEG C to obtain the rosin glycerin ester. Compared with the prior art, the preparation method disclosed by the invention has the advantages of simple process, low production cost and high conversion rate.

Description

technical field [0001] The invention relates to the technical field of rosin deep processing, in particular to a preparation method of rosin glyceride. Background technique [0002] Rosin glyceride can be used as a food additive, as a base agent for gummies, endow gummies with foaming, plasticizing, and chewing properties; used in bubble gum, chewing gum, chewing gum, sugar-free chewing gum, with good taste And anti-oxidation, and maintain softness; it can also be used as an emulsion stabilizer in beverages. [0003] Traditionally, rosin glycerides are prepared by dissolving the raw material rosin, adding glycerin, a catalyst and reacting with it to obtain rosin glycerides. However, in the production process, a large amount of impurities and by-products will be produced, which reduces the purity and conversion rate of the finished rosin glyceride, and requires an additional separation system to separate it, which increases energy consumption and increases production costs. ...

Claims

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Application Information

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IPC IPC(8): C09F1/04
Inventor 黄宇平王尧岑潮锋郭超仁
Owner WUZHOU PINE CHEM
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