Preparation and characterization of collagen-chitosan blends

被引：32
|
作者：
Tonhi, E
Plepis, AMD
机构：
[1] Univ Estadual Campinas, Inst Quim, BR-13083970 Campinas, SP, Brazil
[2] Univ Sao Paulo, Inst Quim Sao Carlos, Dept Quim & Fis Mol, BR-13560970 Sao Carlos, SP, Brazil
来源：
QUIMICA NOVA | 2002年 / 25卷 / 6A期
关键词：
blends; collagen; chitosan;
D O I：
10.1590/S0100-40422002000600011
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Biodegradable polymer blends were obtained using collagen and chitosan. Membranes of collagen and chitosan in different proportions (3:1, 1:1 and 1:3) were prepared by mixing their acetate solutions (pH 3.5) at room temperature. The blends were characterized by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), Fourier Transform infrared (FTIR) spectroscopy, specific viscosity, water absorption and stress-strain assays. The results showed that chitosan did not interfere in the structural arrangement of the collagen triple helix and the properties of the blends can be controlled by varing the proportion of the collagen and the chitosan.
引用
收藏
页码：943 / 948
页数：6
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