[1]马全红,高永红,邹宗柏.丙酮酸壳聚糖衍生物的制备及其吸附性能研究[J].东南大学学报(自然科学版),2000,30(6):127-131.[doi:10.3969/j.issn.1001-0505.2000.06.027]
 Ma Quanhong,Gao Yonghong,Zou Zongbai.Synthesis and Adsorption Properties of Chitosan Modified by Pyruvic Acid[J].Journal of Southeast University (Natural Science Edition),2000,30(6):127-131.[doi:10.3969/j.issn.1001-0505.2000.06.027]
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丙酮酸壳聚糖衍生物的制备及其吸附性能研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
30
期数:
2000年第6期
页码:
127-131
栏目:
环境科学与工程
出版日期:
2000-11-20

文章信息/Info

Title:
Synthesis and Adsorption Properties of Chitosan Modified by Pyruvic Acid
作者:
马全红 高永红 邹宗柏
东南大学化学化工系,南京 210096
Author(s):
Ma Quanhong Gao Yonghong Zou Zongbai
Department of Chemistry and Chemical Engineering, Southeast University,Nanjing 210096
关键词:
壳聚糖 丙酮酸 化学改性 正交试验 吸附
Keywords:
chitosan pyruvic acid chemical modification orthogonal test adsorption
分类号:
X131
DOI:
10.3969/j.issn.1001-0505.2000.06.027
摘要:
利用壳聚糖C2位上活泼氨基与丙酮酸进行大分子反应,采用正交试验法优化合成条件,合成了带有高取代羧基、能溶于水的功能聚合物-丙酮酸改性壳聚糖(简称PCTS).研究了PCTS对Cu2+,Zn2+,Co2+等重金属离子的吸附性能,其对低浓度金属离子去除率分别达到100%,99.8%和40.5%,与壳聚糖、水杨醛改性壳聚糖相比,溶解性能和吸附性能均有较大提高.
Abstract:
Chitosan functional polymer containing schiff-base group was synthesized by chemical modification of amino group of chitosan with pyruvic acid. The synthesis conditions were optimized by orthogonal test method. The adsorption properties of PCTS for Cu(Ⅱ),Zn(Ⅱ),Co(Ⅱ) were also investigated. The results show that the percentage of removing low concentration metal ions are 100%,99.8%,40.5%,respectively. In comparison with chitosan and chitosan modified by salicylaldehyde, the solvencies and adsorption properties are improved.

参考文献/References:

[1] 董炎明,李志强,郭榕.一种新的液晶高分子——丁酸壳聚糖的合成与表征.高等学校化学学报,1998,19(1):161~163
[2] Deans J R.Removing polyvalent metals from aqueous waste streams with chitosan and halogenating agents.USP,5336415.1994
[3] 曲荣君,马千里,郑秀丽,等.壳聚糖衍生物的制备及其吸附性能.应用化学,1995,12(2):117~118
[4] 曲荣君,刘庆俭,田福军,等.水杨醛改性壳聚糖对金属离子的吸附性能.环境化学,1997,16(1):55~59
[5] Muzzarelli R A A.Carboxymethylated chitins and chitosans.Carbohydrate Polymers,1988,8:10~17

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备注/Memo

备注/Memo:
第一作者:女,1968年生, 硕士,讲师.
更新日期/Last Update: 2000-11-20