[1]黄理耀,刘超.疏水化长脂肪链酰化壳聚糖的制备[J].华侨大学学报(自然科学版),2005,26(4):439-441.[doi:10.3969/j.issn.1000-5013.2005.04.028]
　Huang Liyao,Liu Chao.Preparation of Hydrophobing Acyl Chitosan with Long Fatly Chain[J].Journal of Huaqiao University(Natural Science),2005,26(4):439-441.[doi:10.3969/j.issn.1000-5013.2005.04.028]
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疏水化长脂肪链酰化壳聚糖的制备()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第26卷
期数:
2005年第4期
页码:
439-441
栏目:
出版日期:
2005-10-20

文章信息/Info

Title:
Preparation of Hydrophobing Acyl Chitosan with Long Fatly Chain
文章编号:
1000-5013(2005)04-0439-03
作者:
黄理耀; 刘超
华侨大学材料科学与工程学院; 华侨大学材料科学与工程学院 福建泉州362021; 福建泉州362021
Author(s):
Huang Liyao;  Liu Chao
College of Material Science and Engineering, Huaqiao University, 362021, Quanzhou, China
关键词:
壳聚糖;  酰化;  疏水化;  取代度;  高级酰氯
Keywords:
chitosan;  acylation;  hydrophobing;  degree of substitution;  high-grade acyl chloride
分类号:
O636.1
DOI:
10.3969/j.issn.1000-5013.2005.04.028
文献标志码:
A
摘要:
以氯仿、吡啶为反应介质,制备出完全疏水化的长脂肪链酰化壳聚糖,并研究反应条件对酰化取代度的影响.实验结果表明,壳聚糖在高吡啶/氯仿体积比介质中酰化度高,分子量低的壳聚糖取代度高,壳聚糖的酰化度还随着酰卤脂肪链长度的增加而呈下降的趋势.最后,产物用元素分析、红外光谱、核磁共振和热分析进行表征.
Abstract:
Using chloroform and pyridine as reaction medium,the authors prepare fully hydrophobing acyl chitosan with long fatly chain; and study the effect of reaction condition on degree of acyl substitution.As indicated by experimental results,chitosan shows high degree of acylation in the medium with high pyridine/chloroform volume ratio,and chitosan with low molecular weight shows high degree of substitution.The degree of acylation of chitosan tends to decrease with the increasing length of acyl halide fatty chain.The products are characterized by using elementary analysis,infrared spectrum,nuclear magnetic resonance and thermoanalysis.

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更新日期/Last Update: 2014-03-23