Vegetable oil polyol and the preparation method and the application thereof
US10259771B2 · kind B2 · utility
1Cited by
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8Claims
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Key dates
| Filing date | Jan 28, 2016 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Aug 18, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A preparation method of vegetable oil polyol, which is obtains by carrying out allylic oxidation treatment of vegetable oil, increasing the content of hydroxyl group in the product and then one step reaction between epoxidation and ring-opening. At the same time, the present invention also discloses novel vegetable oil polyol made by the preparation method and the application of the vegetable oil polyol in preparation of polyurethane foam material. Compared with the prior art, the method has the advantages of simple operation, low energy consumption and low side reaction occurrence rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.