Téléchargement | - Voir le manuscrit accepté : Roll-drawing and die-drawing of toughened poly(ethylene terephthalate). Part 2. Fracture behaviour (PDF, 1.3 Mio)
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DOI | Trouver le DOI : https://doi.org/10.1016/j.polymer.2004.10.090 |
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Auteur | Rechercher : Mohanraj, J.; Rechercher : Chapleau, N.1; Rechercher : Ajji, A.1; Rechercher : Duckett, R. A.; Rechercher : Ward, I. M. |
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Affiliation | - Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
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Format | Texte, Article |
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Sujet | Toughened PET; oriented polymers; fracture toughness |
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Résumé | Orientation of polymers in the solid-state has been used for a long time in enhancing the properties of the products and the die-drawing process at Leeds University (UK) and the roll-drawing process at IMI (Canada) have been used to produce oriented polymer products in a wide variety of shape and sizes. In this work, we explore the fracture behaviour of isotropic and oriented toughened poly(ethylene terephthalate) (PET) in order to improve the toughness of the oriented products in a direction other than the principal draw direction. The fracture behaviour of isotropic and oriented PET homopolymer and the two PET blends (containing 10% polyethylene elastomer and 10% compatibilized elastomer) was studied using the multi-specimen J-integral approach. In the isotropic case, the compatibilized blend had higher toughness than the homopolymer and the non-compatibilized blend. The oriented sheets from the die-drawing and roll-drawing process, drawn to a draw ratio of 3.2 at 170 °C were tested with the initial notch both parallel and perpendicular to the draw direction. For the former case, the compatibilized blend was tougher and in the other direction the drawn homopolymer was tougher than the blends. At similar draw ratios, the fracture behaviour and the toughness of the oriented sheets from the die-drawing and roll-drawing processes were identical. |
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Date de publication | 2005-01-25 |
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Dans | |
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Langue | anglais |
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Publications évaluées par des pairs | Non |
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Numéro du CNRC | NRCC 54323 |
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Numéro NPARC | 18432724 |
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Exporter la notice | Exporter en format RIS |
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Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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Identificateur de l’enregistrement | a741fc1e-d16c-4552-a4ce-5ced7fb7f414 |
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Enregistrement créé | 2011-08-23 |
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Enregistrement modifié | 2020-04-07 |
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