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۱The Effect of Nanoparticle Silver on the Thermal Stability of N–isopropylacrylamide (NIPAAm)
اطلاعات انتشار: World Applied Sciences Journal، بيست و نهم،شماره۳، ۲۰۱۴، سال
تعداد صفحات: ۶
In this article, thermosensitive N–isopropylacrylamide (NIPAAm)– 2–hedroxy ethyl acrylate (2–HEA)] copolymers (NIPAMH) were prepared by varying feed ratios with free radical copolymerization method. The hydrogels composites were synthesized by a method that uses NIPAMH \ AgNO3 as capping and stabilizing agent in an aqueous solution in presence of ascorbic acid. It is found the AgNO3\ascorbic acid influence the thermal stability of the hydrogelNIPAMH.These NIPAMH and NIPAMH\Ag (III) have a single glass transition, which exhibit miscibility of the copolymers. The NIPMH has good thermal stability, but incorporation of Ag(III) in the NIPAMH matrix shows decreased the initial and second losses and increased thermal stability.
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