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Relationship of Properties and Distribution of Group-CH2COO- at C2,C3 and C6 Within AGU of PAC
Author(s): 
Pages: 929-932
Year: Issue:  10
Journal: TRANSACTIONS OF BEIJING INSTITUTE OF TECHNOLOGY

Keyword:  聚阴离子纤维素淤浆法取代基分布;
Abstract: 通过化学滴定、核磁分析、红外光谱和应用测试等方法,研究纤维素羧甲基醚大分子结构及性能间关系,对不同工艺制备的产品分子的结构和性能进行分析表征. 结果表明:与普通低倍溶媒捏合法相比,经粉碎的棉纤维在高浴比混合溶剂体系中进行碱化、醚化,得到的产品沿着大分子链葡萄糖环基(AGU)C2,C3和C6上-CH2COO-分布更均匀,其耐酸性、抗盐性和配伍性更优越.
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