Preparation of chitosan-zinc oxide complex during chitin deacetylation

被引：44

作者：

Anandhavelu, Shanmugam ^{[1
]}

Thambidurai, Sivalingam ^{[1
]}

机构：

[1] Alagappa Univ, Dept Ind Chem, Sch Chem, Karaikkudi 630003, Tamil Nadu, India

来源：

CARBOHYDRATE POLYMERS | 2011年 / 83卷 / 04期

关键词：

Zinc chloride; Rod-like complex; Chitosan; UV absorption; ZNO NANOPARTICLES; MORPHOLOGY; DIOXIDE; IONS;

D O I：

10.1016/j.carbpol.2010.10.006

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Novel chitosan-ZnO complexes are prepared using zinc chloride, sodium hydroxide and chitin as source materials by direct precipitation method. Four chitosan-ZnO complexes are prepared for different concentrations of source material. The chitosan-ZnO complex formations have been confirmed by FTIR spectroscopic analysis. Hexagonal structure and crystalline size (35-51 nm) of zinc oxide are determined by XRD. Rod-like particle shape of chitosan-ZnO complex from SEM images, higher UV rays absorption in the region of 200-275 nm by UV-vis and higher UV emission at 422 nm by photoluminescence spectrophotometer are recorded. The rod-like chitosan-zinc oxide was obtained with optimum concentration of 45% NaOH and 15% ZnCl2. The size of the complex was increased with increase of sodium hydroxide concentration. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1565 / 1569

页数：5

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