| 摘要 |
The present invention pertains to a process for refining soap-containing crude polyol fatty-acid polyester reaction product, the process including one or more high-temperature refining treatments and comprising, as the first step in the refining process, contacting the crude reaction product with an acid to substantially convert the soap into its corresponding free fatty acids, and the subsequent step of substantially removing from the crude reaction product any salts therein prior to said one or more high-temperature refining treatments. |
