《Table 1 General characteristics of AO7》

《Table 1 General characteristics of AO7》   提示:宽带有限、当前游客访问压缩模式
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《Functionally Modified Cellulose Nanocrystals as an Adsorbent for Anionic Dyes》


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2-Bromoisobutyryl bromide(BIBB),N-methyl-2-pyrrolidone(NMP),CuBr(99%,Energy Chemical),2-(Dimethyl amino)pyridine(DMAP),AO7,N,N,N′,N′′,N′′-pentamethyl diethylenetriamine(PMDETA),and 2-(diethylamino)ethylmethacrylate(DMAEMA,99%)were purchased from Shanghai Aladdin Co.,Ltd.,China.N,N-dimethylformamide(DMF)and triethylamine(TEA,AR)were obtained from Tianjin Chemical Company,Tianjin,China.The chemical structure and characteristics of AO7 are shown in Table 1.DMF was dried by molecular sieves(4)before use.CuBr was purified by acetic acid and ethanol.CNC was prepared using a method reported by us previously[17].FT-IR(VERTEX 70,Bruker,Germany),XPS(Kratos Axis Ultra DLD,Kratos,England),and TGA(TA Q500,USA)were used to determine the chemical structure and the surface elemental composition of the CNC samples.An ultraviolet-visible(UV-vis)spectrophotometer(G1369C,Agilent,China)was employed to determine the concentration of dye in the dye solution.