疏水改性玉米淀粉合成研究
Preparation of Hydrophobic Modified Corn Starch
DOI: 10.12677/JOCR.2015.32014,
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作者:
孔 娟, 刘海超, 陈 影, 刘 江, 田景罡, 史瑞欣：东北林业大学理学院化工系，黑龙江 哈尔滨
关键词:
淀粉；疏水改性；烷基缩水甘油醚；Starch； Hydrophobic Modification； Alkyl Glycidyl Ether
摘要:
本文以玉米淀粉为原料，烷基缩水甘油醚(AGE)为疏水化试剂，氢氧化钠作催化剂，水为溶剂，在较温和反应条件下合成了2-羟基-3-烷氧基丙基淀粉(AHPS)。考察了反应时间、反应温度对取代度和反应效率的影响，确定了最佳反应温度为75℃，最佳反应时间为5 h。用IR、1HNMR对产物结构进行了表征。
Abstract:
2-Hydroxy-3-alkoxypropyl starches (AHPS) were synthesized by an environmentally-friendly process using alkyl glycidyl ether (AGE) as hydrophobic reagent, water as solvent and sodium hy-droxide as catalyst. Effects of reaction time and reaction temperature on molar substitution degree and react efficiency were studied. The optimized reaction time is 5 h and the optimized reaction temperature is 75˚C. IR and 1HNMR were used to analyze the structure of modified products.
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