Surface Properties of Poly(vinyl alcohol) with Iron(III)chloride Before and After UV-Irradiation

被引：3
|
作者：
Kowalonek, Jolanta [1 ]
Kaczmarek, Halina [1 ]
Bajer, Dagmara [1 ]
机构：
[1] Nicholas Copernicus Univ, Fac Chem, PL-87100 Torun, Poland
来源：
NEW FRONTIERS IN MACROMOLECULAR SCIENCE | 2010年 / 295卷
关键词：
AFM; contact angle; iron(III)chloride; photochemistry; poly(vinyl alcohol); COORDINATION-COMPLEXES; PHYSICAL-PROPERTIES; FREE-ENERGY; FILMS;
D O I：
10.1002/masy.200900069
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Surface properties of poly(vinyl alcohol) (PVA) with low content of FeCl(3) (1, 5 wt.%) were studied by measurements of contact angles and atomic force microscopy. The results of contact angles and the surface free energy calculations revealed that the hydrophilicity of the surface of PVA films depended on the content of iron (III) chloride in these polymeric films. Introduced salt also affected photochemical reactions in poly(vinyl alcohol). Photooxidation of PVA was more effective in the presence of FeCl(3) because of formation of reactive chlorine atoms, which were capable of initiating new reactions. Also the morphology and roughness parameters of PVA film changed when iron (III) chloride was added.
引用
收藏
页码：114 / 118
页数：5
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