Preparation of some chitosan heavy metal complexes and study of its properties

被引：50

作者：

Hussein, M. H. M. ^{[1
]}

El-Hady, M. F. ^{[2
]}

Sayed, W. M. ^{[1
]}

Hefni, H. ^{[1
]}

机构：

[1] Al Azhar Univ, EPRI, Petrochem Dept, Polymer Lab, Cairo, Egypt

[2] Al Azhar Univ, Fac Sci, Dept Chem, Cairo, Egypt

来源：

POLYMER SCIENCE SERIES A | 2012年 / 54卷 / 02期

关键词：

HETEROGENEOUS N-DEACETYLATION; THERMAL-DEGRADATION; REMOVAL; CHITIN; ADSORPTION; ACETATE; STATE; DYES; ION; KINETICS;

D O I：

10.1134/S0965545X12020046

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The chitosan was prepared and mixed with some metal salts (FeCl3, Co(OAc)(2) and NiCl2) by different concentrations to form chitosan-metal complexes. The metal ions which strongly complexed to the amino groups of chitosan like Fe showed a smooth surface product, amorphous phase, thermally more stable and high electrical conductivity than other complexes, while the Co ions which the weakly complexed with chitosan showed a rough surface product, crystalline phase, thermally less stable and low electrical conductivity. The chitosan-metal complexes have a higher electrical conductivity than chitosan pure at room temperature.

引用

页码：113 / 124

页数：12

共 53 条

[1] Application of biosorption for the removal of organic pollutants: A review [J].

Aksu, Z .

PROCESS BIOCHEMISTRY, 2005, 40 (3-4) :997-1026

[2] Physico-chemical studies of chitosan-poly(vinyl alcohol) blends plasticized with sorbitol and sucrose [J].

Arvanitoyannis, I ;

Kolokuris, I ;

Nakayama, A ;

Yamamoto, N ;

Aiba, S .

CARBOHYDRATE POLYMERS, 1997, 34 (1-2) :9-19

[3]

Arvanitoyannis IS, 1999, J MACROMOL SCI R M C, VC39, P205

[4] Chitosan and gelatin based edible films: state diagrams, mechanical and permeation properties [J].

Arvanitoyannis, IS ;

Nakayama, A ;

Aiba, S .

CARBOHYDRATE POLYMERS, 1998, 37 (04) :371-382

[5] Thermal degradation kinetics and solid state, temperature dependent, electrical conductivity of charge-transfer complex of phenothiazine with chloranil and picric acid [J].

Ashok, M. A. ;

Achar, B. N. .

BULLETIN OF MATERIALS SCIENCE, 2008, 31 (01) :29-35

[6] Melamine-formaldehyde-NTA chelating gel resin: Synthesis, characterization and application for copper(II) ion removal from synthetic wastewater [J].

Baraka, Ahmad ;

Hall, P. J. ;

Heslop, M. J. .

JOURNAL OF HAZARDOUS MATERIALS, 2007, 140 (1-2) :86-94

[7] Critical evaluation of treatment strategies involving adsorption and chelation for wastewater containing copper, zinc and cyanide [J].

Bose, P ;

Bose, MA ;

Kumar, S .

ADVANCES IN ENVIRONMENTAL RESEARCH, 2002, 7 (01) :179-195

[8] Heterogeneous N-deacetylation of chitin in alkaline solution [J].

Chang, KLB ;

Tsai, G ;

Lee, J ;

Fu, WR .

CARBOHYDRATE RESEARCH, 1997, 303 (03) :327-332

[9] TGA studies of metoclopramide complexes of cobalt(II) in the solid state [J].

Chetana, PR ;

Siddaramaiah, X ;

Ramappa, PG .

THERMOCHIMICA ACTA, 2005, 425 (1-2) :13-21

[10] Non-conventional low-cost adsorbents for dye removal: A review [J].

Crini, G .

BIORESOURCE TECHNOLOGY, 2006, 97 (09) :1061-1085

← 1 2 3 4 5 6 →