Effects of neutralization process on preparation and characterization of chitosan membranes for wound dressing

被引：10

作者：

Campos, MGN ^{[1
]}

Grosso, CRF

Cárdenas, G

Mei, LHI

机构：

[1] Univ Estadual Campinas, Fac Chem Engn, Lab Biomat, Campinas, SP, Brazil

[2] Univ Estadual Campinas, Fac Food Engn, Dept Foods & Nutr, Campinas, SP, Brazil

[3] Univ Concepcion, Fac Chem Sci, Dept Polymers, Concepcion, Chile

来源：

MACROMOLECULAR SYMPOSIA | 2005年 / 229卷

关键词：

biomaterials; chitosan; membranes; neutralization process; wound dressing;

D O I：

10.1002/masy.200551131

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Neutralization process effects on preparation and characterization of chitosan membranes were evaluated by differencial scanning calorimetry and scanning electron microscopy. Water solubility and humidity of chitosan membranes were also studied. Swelling behavior in different pH media was evaluated and mechanical properties such as tensile strength and elongation at break were measured. Neutralization process increased glass transition temperature of chitosan membranes and decreased their water solubility, humidity and water sorption. An improvement in mechanical properties of chitosan membranes was also observed after neutralization process.

引用

页码：253 / 257

页数：5

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