Preparation method of soybean oil base polyhydric alcohol

By directly using soybean oil and a solid strong acid catalyst to react under specific conditions, the problem in the existing technology that soybean oil-based polyols need to be epoxidized first in the production of soybean oil-based polyols is solved, and the effect of simplifying the process and reducing costs is achieved. Directly from soybean oil to prepare efficient biomass materials.

CN108250073AInactive Publication Date: 2018-07-06YIWU QUANCE NEW MATERIAL CO LTD
6 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YIWU QUANCE NEW MATERIAL CO LTD
Filing Date
2018-03-10
Publication Date
2018-07-06
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing production method of soybean oil-based polyols requires soybean oil to be epoxidized first, which increases the production cost and complexity of the steps.

Method used

Soybean oil is directly used to react with a solid strong acid catalyst under certain conditions. By adding hydrogen peroxide and lower alcohol, a one-step method is achieved to prepare soybean oil-based polyols, which simplifies the production process and reduces the amount of hydrogen peroxide.

Benefits of technology

It reduces production costs, simplifies the process, prepares efficient biomass materials directly from soybean oil, reduces epoxidation steps, and improves production efficiency.

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Abstract

The invention relates to a preparation method of soybean oil base polyhydric alcohol, in particular to a method for preparing soybean oil base polyhydric alcohol by directly using soybean oil. The soybean oil diluted by using a solvent reacts with hydrogen peroxide with the weight percentage being 30% for 2-5 hours at the temperature of 60-70 DEG C under catalysis of a catalyst with the weight percentage being 3-5%; vacuum distillation is conducted after the reaction is ended, and the solvent is evaporated; then low alcohol is added in a reactor to be subjected to a reaction for 4-6 hours under the pressure of 0.3-0.4 MPa and at the temperature of 70-80 DEG C, then the reaction is stopped, and the soybean oil base polyhydric alcohol is obtained. The method saves the using amount of hydrogen peroxide, reduces the post-treatment steps, and simplifies the production procedures, and accordingly the product cost is declined directly.
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Citation Information

Patent Citations

  • CN101397251A

  • CN102731770B

  • CN101747184A

  • CN104311420A

  • CN104326911A

Cited By

  • CN117164809A

  • CN118126277A