Photochemical stability of poly(acrylic acid)/silver nanocomposite

被引：9
|
作者：
Kaczmarek, Halina [1 ]
Metzler, Magdalena [1 ]
Scigalski, Franciszek [2 ]
机构：
[1] Nicholas Copernicus Univ, Fac Chem, PL-87100 Torun, Poland
[2] Univ Technol & Life Sci Bydgoszcz, Fac Chem Technol & Engn, PL-85326 Bydgoszcz, Poland
来源：
MATERIALS LETTERS | 2014年 / 135卷
关键词：
Polymers; Nanocomposites; UV-irradiation; Spectroscopy; DLS; SILVER NANOPARTICLES; ACID); POLYMERS; MERCURY;
D O I：
10.1016/j.matlet.2014.07.161
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ag nanoparticles, stabilized by mercaptosuccinic acid (MSA), have been obtained by chemical reduction of silver nitrate. The nanocomposites of poly(acrylic acid) (PAA) with Ag have been prepared by casting of aqueous polymer solutions and water evaporation. The influence of polychromatic UV-irradiation on PAA/Ag/MSA nanocomposite properties was determined by UV-vis and FTIR spectroscopy. The mean size of the formed Ag nanoparticles has been estimated by dynamic light scattering (DLS). The studied Ag nanoparticles coated by MSA were stable during one year storage and theirs stability was better in neutral solution than in alkaline one. It was found that PAA/Ag/MSA system is more resistant to UV radiation than virgin PAA, which is caused by efficient photocrosslinking. (C) 2014 Published by Elsevier B.V.
引用
收藏
页码：110 / 114
页数：5
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