The Processes Induced by UV Light in Biopolymers and Biopolymer Composites

被引：5
|
作者：
Sionkowska, Alina [1 ]
机构：
[1] Nicolaus Copernicus Univ, Biopolymer Res Grp, Fac Chem, PL-87100 Torun, Poland
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2014年 / 590卷 / 01期
关键词：
collagen; chitosan; silk fibroin; polymer blends; surface properties; UV-irradiation; COLLAGEN; DEGRADATION; CHITOSAN; RADIATION; STABILITY;
D O I：
10.1080/15421406.2013.873624
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Thin films by solvent evaporation from mixture of collagen, chitosan and silk fibroin were prepared. The surface properties of biopolymeric films were investigated using technique of Atomic Force Microscopy and by means of contact angle measurements allowing the calculation of surface free energy. Measurements of the contact angle on the surface were made and surface free energy was calculated. The surface of films was modified by UV-irradiation ( = 254nm and 248nm). It was found that the surface roughness of biopolymeric films decreased with increasing UV-irradiation time. Polar component of the surface free energy increased with increasing UV-irradiation time.
引用
收藏
页码：17 / 23
页数：7
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