期刊
ADVANCES IN POLYMER TECHNOLOGY
卷 37, 期 2, 页码 559-565出版社
WILEY-HINDAWI
DOI: 10.1002/adv.21696
关键词
Fe3O4; Nanocomposite; Nanoparticle modification; Polyamide
资金
- Iran National Science Foundation (INSF) research council of Tehran University of Medical Sciences
A new amidoacid-functionalized Fe3O4 nanoparticle was provided as an aliphatic-aromatic polyamide-based nanocomposite. The aliphatic-aromatic polyamide was synthesized by the direct polycondensation reaction of azelaic acid and 4,4-diaminodiphenyl sulfone. Also, for better compatibility, Fe3O4@SiO2 was modified by diethylenetriamine and succinic anhydride. The neat Fe3O4 nanoparticles (MNP) and amidoacid-functionalized Fe3O4 (AFM) were separately incorporated into the polyamide. Flammability as well as thermal properties of PA and the nanocomposites were studied by microscale combustion calorimeter (MCC) and thermogravimetric analysis (TGA). The properties of the nanocomposites were strongly related to the dispersion and interaction between the nanoparticles and the polyamide matrix. Results revealed that incorporation of amidoacid-functionalized Fe3O4 nanoparticle into the polyamide improved the thermal and combustion properties of polyamide compared to the neat Fe3O4 nanoparticles. According to TGA data, a 69% increase was observed in the char yield value, which has been achieved by the introduction of 2 wt.% amidoacid-functionalized Fe3O4 nanoparticle into PA. (c) 2016 Wiley Periodicals, Inc.
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