Nano Science and Technology Institute
Nanotech 2012 Vol. 1
Nanotech 2012 Vol. 1
Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Chapter 6: Composite Materials

Manufacturing and Properties of Nanofiber Composites

Authors:D-K Yong
Affilation:Chungnam National University, KR
Pages:578 - 581
Keywords:polyarylate (PAR), sheath-core fiber, nanofiber, composite
Abstract:Recently, a fiber composite for various industrial applications including automotive, aerospace and civil engineering is in the spotlight as a specialized-functional material such as high strength and modulus, high thermal resistance and high elasticity etc. Especially, when the composite has a continuous nanofibrous component having high performance LCP(liquid crystal polymer) as a reinforcement, excellent properties compared to existing are expected. In this study, a sheath(PET)-core(PAR) fiber was spun by a special technique, so called conjugate spinning for manufacturing the PAR(polyarylate) nanofiber reinforced PET(polyethylene terephthalate) composite.Using the PET-PAR conjugated fiber, a PAR fiber reinforced PET composite can be obtained by arranging the fibers compactly and melting the PET matrix. Mechanical properties of the sheath-core fibers were tested and evaluated with the PAR content and the spinning speed. And Tensile and flexural properties of the PAR/PET composites were analyzed by a tensile tester. Also, crystallization and orientation behaviors were investigated with the XRD (X-ray diffraction).
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