Morphology and Properties of Polyethylene/Clay Nanocomposite Drawn Fibers
| Autor: | Roberto Scaffaro, Rosamaria Marino, Nadka Tzankova Dintcheva, Francesco Paolo La Mantia |
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| Přispěvatelé: | LA MANTIA FP, MARINO R, TZANKOVA DINTCHEVA N, SCAFFARO R |
| Rok vydání: | 2008 |
| Předmět: |
Materials science
Nanocomposite Polymers and Plastics General Chemical Engineering Organic Chemistry Nanoparticle Polyethylene complex mixtures chemistry.chemical_compound Montmorillonite Synthetic fiber chemistry Ultimate tensile strength Materials Chemistry Melt spinning Composite material Elastic modulus |
| Zdroj: | Macromolecular Materials and Engineering. 293:83-91 |
| ISSN: | 1439-2054 1438-7492 |
| DOI: | 10.1002/mame.200700204 |
| Popis: | The influence of an elongational flow on the morphology of PE/clay nanocomposite drawn fibers was studied. An increase of the elastic modulus and the tensile strength as well as a decrease of the elongation at break are observed with increasing draw ratio. The applied elongational gradient orients the polymer chains and the clay particles along the spinning direction. When the applied flow results in the formation and the orientation of exfoliated nanoparticles, a pronounced increase of the mechanical properties is observed. The dispersed clay particles can be broken and oriented by the extensional flow, which might indicate a flow induced intercalated/exfoliated morphology transition. |
| Databáze: | OpenAIRE |
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