Preparation method of sodium stearyl fumarate
The invention discloses a preparation method of sodium stearyl fumarate, the sodium stearyl fumarate is obtained by jointly catalyzing isomerization reaction of monostearyl maleate through 1, 3-dimethylurea and an acidic substance, the method reduces the usage amount of a catalyst, shortens the reac...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a preparation method of sodium stearyl fumarate, the sodium stearyl fumarate is obtained by jointly catalyzing isomerization reaction of monostearyl maleate through 1, 3-dimethylurea and an acidic substance, the method reduces the usage amount of a catalyst, shortens the reaction time, reduces the reaction temperature, is more environment-friendly in production, and also improves the product quality.
本发明公开了一种硬脂富马酸钠的制备方法，通过1,3-二甲基脲与酸性物质联合共同催化硬脂马来酸单酯的异构反应得到，该方法减少了催化剂的使用量，缩短了反应时间，降低了反应温度，生产更环保，产品品质也有所提升。 |
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