In Situ Formation of Poly(ethylene naphthalate) Microfibres in Polyethylene and Polypropylene during Extrusion |
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| Journal | Key Engineering Materials (Volumes 334 - 335) |
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| Volume | Advances in Composite Materials and Structures |
| Edited by | J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang |
| Pages | 161-164 |
| DOI | 10.4028/www.scientific.net/KEM.334-335.161 |
| Citation | Ka Lok Leung et al., 2007, Key Engineering Materials, 334-335, 161 |
| Online since | March, 2007 |
| Authors | Ka Lok Leung, Allan J. Easteal, Debes Bhattacharyya |
| Keywords | In Situ Fibre Formation, Microfibril, Microfibrillization |
| Abstract | Tensile properties and morphology of poly(ethylene naphthalate)/polyolefin blends and the relationship with the extrusion die size were investigated. Scanning electron micrographs of the blends reveal that the fibre morphology is developed during extrusion through the die. Skin-core morphology has been observed. As die diameter decreases, a droplet-to-fibre transition in morphology increases tensile strength and stiffness. After microfibrillization, up to 100% increase in the tensile stiffness was observed and the tensile strength could increase by one order of magnitude. |
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