|Advanced composites with nanofillers prepared from cyclic butylene terephthalate resin
|Fibrous composites -- Mechanical properties.
Polymeric composites -- Mechanical properties.
Hong Kong Polytechnic University -- Dissertations
|Department of Mechanical Engineering
|xii, 132 leaves : ill. ; 30 cm.
|It is state-of-the-art that fiber-reinforced polymer composites (FRPCs) are widely used as excellent lightweight substitute of metals in various high performance applications. Compared to thermosettings and thermoplastics served as matrices of current FRPCs, an ideal polymeric matrix is to integrate the flexibility of thermosettings in processing with the advantage of thermoplastics in recycling. The commercial-scale development of cyclic butylene terephthalate (CBT) resin by Cyclics Corporation in 2004 promoted such a fantastic option to the composite world. CBT resin has two most attractive characteristics, one is its extremely low melt viscosity, the other is its green and rapid polymerization / depolymerization with no chemical emission and very little heat generation. Therefore, these advantages could provide the opportunity to produce CBT fiber composites with perfect impregnation of fibers and CBT micro/nanocomposites with good dispersion of fillers, via almost all of current processing approaches available to thermosettings and thermoplastics. It is found that nanoparticles, even in a small content (e.g. 2 wt.%), can significantly improve the mechanical performance of CBT composites. Furthermore, since well-dispersed nanoparticles may contribute to the interfacial bonding between the basalt fibers and the nanoparticle-modified matrix, the nanoparticle-modified CBT resin is intended to be further used as matrix for advanced basalt fiber reinforced composites to achieve a better fiber/matrix interface without sacrifice of the properties of matrix.
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