Abstract
The chapter deals about development of epoxy-based polymer hybrid nanocomposites (matrices) for structural application. The first part includes toughening of epoxy resin by using poly-methyl-metacrylate (PMMA). The second part includes development of nanocomposites by adding modified halloysite nanoclay particles (MHNP) into epoxy. The last part includes development of polymer hybrid nanocomposites by reinforcing PMMA and MHNP in to epoxy resin.
The chapter includes an assessment of the various mechanical properties, thermal stability, and characterization of prepared epoxy polymer blends. And to propose the right amount of PMMA, which has good mechanical properties and thermal stability. Properties of halloysite nanoclay that is used as a filler material for fabrication of polymer nanocomposites and necessity of surface modification of halloysite nanoclay are discussed. The process of surface modification of halloysite nanoclay is highlighted with characterization. The surface modification revealed that the hydrophilic surface properties of halloysite nanoclay were altered by the hydrophobic long chain alkyl groups in 3-aminopropyltriethoxysilane molecules and as a result a substantial number of single continues tubes of halloysite appeared. In this manner agglomeration of halloysite nanoclay was strikingly diminished. Effects of MHNPs and PMMA on mechanical properties of hybrid nanocomposites were investigated. Four weight percent of MHNPs and 6 wt% of PMMA have highest value of fracture toughness which indicates a stable crack growth characteristic. Increases of approximately 95% were observed in fracture toughness by adding of 4 wt% of MHNPs and 6 wt% of PMMA.
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Rudresh, M., Nagaswarupa, H.P. (2020). Development of Thermoplastic Polymer Blended Epoxy Nanocomposites Reinforced with Halloysite Nanoclay. In: Hussain, C., Thomas, S. (eds) Handbook of Polymer and Ceramic Nanotechnology. Springer, Cham. https://doi.org/10.1007/978-3-030-10614-0_61-1
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DOI: https://doi.org/10.1007/978-3-030-10614-0_61-1
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