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http://dx.doi.org/10.5012/bkcs.2012.33.8.2513

Thermal Stability and Fracture Toughness of Epoxy Resins Modified with Epoxidized Castor Oil and Al2O3 Nanoparticles  

Zhu, Lin (School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology)
Jin, Fan-Long (School of Chemical and Materials Engineering, Jilin Institute of Chemical Technology)
Park, Soo-Jin (Department of Chemistry, Inha University)
Publication Information
Bulletin of the Korean Chemical Society / v.33, no.8, 2012 , pp. 2513-2516 More about this Journal
Abstract
This study examined the effects of the epoxidized castor oil (ECO) and $Al_2O_3$ content on the thermal stability and fracture toughness of the diglycidylether of bisphenol-A (DGEBA)/ECO/$Al_2O_3$ ternary composites using a range of techniques. The thermal stability of the composites was decreased by the addition of ECO and $Al_2O_3$ nanoparticles. The fracture toughness of the composites was improved significantly by the addition of ECO and $Al_2O_3$ nanoparticles. The composite containing 3 wt % $Al_2O_3$ nanoparticles showed the maximum flexural strength. Scanning electron microscopy (SEM) revealed tortuous cracks in the DGEBA/ECO/$Al_2O_3$ composites, which prevented deformation and crack propagation.
Keywords
Epoxy resins; $Al_2O_3$ nanoparticles; Epoxidized castor oil; Thermal stabilities; Fracture toughness;
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Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
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