Effects of ultrasonic irradiation on colloidal stability of B4C and PbO particles and preparations of epoxy composites
Source abstract
Abstract
The effects of the ultrasonic irradiation on the colloidal stability of B4C and PbO fillers suspended in low‐viscosity hardener and the subsequent preparations of the epoxy composites were studied. The ultrasonic dispersion ensured a long‐period colloidal stability of the filler particles with their initial particle size levels in liquid hardener. For less hard PbO microparticles, the particle size decreased with an increase in ultrasonication time by fragmentation. The effectiveness of ultrasonication was remarkable for the nanoparticles owing to the presence of greater surface area. FT‐IR measurements revealed that a particle‐to‐hardener interaction became stronger. Virtually, this interaction was critical to yield both the homogeneous distribution and strong interface of the B4C and PbO particles in the epoxy matrices, resulting in the improved mechanical and thermal performances of the B4C/epoxy and PbO/epoxy composites. POLYM. COMPOS., 37:1839–1847, 2016. © 2015 Society of Plastics Engineers
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Research context
OpenAlex topics: Polymer Nanocomposites and Properties · Polymer Nanocomposite Synthesis and Irradiation · Epoxy Resin Curing Processes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Nuclear Materials Development Division Korea Atomic Energy Research Institute Yuseong Daejeon 305‐353 South Korea
Korea University of Science & Technology, Nuclear Materials Development Division, Korea Atomic Energy Research Institute Yuseong Daejeon 305‐353 South Korea
Department of Materials Sciences and Engineering Hongik University Sejong 339‐701 South Korea
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