Comparison of succinylation methods for bacterial cellulose and adsorption capacities of bacterial cellulose derivatives for Cu2+ ion
作者： Qingmei Zhu , Xueqiong Yin , Changjiang Yu , Xiaoli Zhang , Jianxin Yang
DOI: 10.1007/S00289-010-0388-5
关键词:
摘要: Bacterial cellulose (BC) was homogenously modified with succinic anhydride in N,N-dimethylacetamide/LiCl the presence of triethylamine and heterogeneously pyridine 4-dimethylaminopyridine. FTIR, XRD, 13C CP MAS NMR, SEM were used to characterize BC succinylated bacterial (SBC). For homogeneous modification, degree substitution (DS) SBC differs from 0.21 1.45 variation adding amount anhydrate, temperature, reaction time, triethylamine. DS XRD profiles reveal that heterogenous mainly happens on surface membrane. The adsorption capacity mechanism Cu2+ onto investigated. result shows is affected by morphology adsorbents.
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