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Citation: HUANG Xiao-Jia, WANG Ai-Qin, YUAN Guang-Pu. Synthesis and Adsorption Properties of N-Alkyl Chitosans[J]. Chinese Journal of Applied Chemistry, ;2000, 17(1): 66-68. shu

Synthesis and Adsorption Properties of N-Alkyl Chitosans

1.
Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000

Received Date: 15 July 1999
Available Online: 21 December 1999

The N-alkyl chitosans were prepared from chitosan through Schiff-base formation and hydrogenation. The adsorption properties of N-alkyl chitosans, bearing the same substitution degree but different carbon chain length and vice versa for Cu(Ⅱ), Hg(Ⅱ)and Pb(Ⅱ) have been investigated. It is found that chitosan derivatives of the same carbon chain length show the highest adsorption capacity for testedions, when their substitution degree is ranged in 0.35~0.39. And among the chitosan derivatives bearing the same substitution degree, N-pentyl chitosan shows the highest adso rption capacity towards mentioned ions.
- chitosan,
- N-alkyl derivative,
- synthesis,
- cation adsorption property
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