辛烯基琥珀酸淀粉酯的制备方法
By using sodium octenyl succinate to prepare starch suspensions in the aqueous phase preparation of octenyl succinate starch ester, controlling the esterification reaction conditions, and performing air removal pretreatment and neutralization, the problems of low utilization rate of octenyl succinic anhydride and uneven product quality were solved, achieving efficient utilization of octenyl succinic anhydride and production of low-turbidity octenyl succinate starch ester.
CN117603368BActive Publication Date: 2026-07-17ZHEJIANG NHU CO LTD +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG NHU CO LTD
- Filing Date
- 2023-09-08
- Publication Date
- 2026-07-17
Abstract
本发明涉及一种辛烯基琥珀酸淀粉酯的制备方法。本发明所述的制备方法包括：将淀粉水悬液、辛烯基琥珀酸酐以及碱液混合进行酯化反应，得到辛烯基琥珀酸淀粉酯浆料，其中，所述淀粉水悬液包括淀粉和辛烯基琥珀酸淀粉钠；将所述辛烯基琥珀酸淀粉酯浆料进行中和，分离得到辛烯基琥珀酸淀粉酯。本发明所述的制备方法不仅可以提高辛烯基琥珀酸酐的利用率，降低辛烯基琥珀酸钠的残留量，而且酯化反应稳定，产物均一性好，使辛烯基琥珀酸淀粉酯的浊度低。
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