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Lower temperature plasticizing and extrusion of polymer in spherical screw extruder under vibration force field / G. Zheng in INTERNATIONAL POLYMER PROCESSING, Vol. XXVI, N° 1 (03/2011)

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inINTERNATIONAL POLYMER PROCESSING > Vol. XXVI, N° 1 (03/2011) . - p. 40-47

Titre :	Lower temperature plasticizing and extrusion of polymer in spherical screw extruder under vibration force field
Type de document :	texte imprimé
Auteurs :	G. Zheng, Auteur ; C. Xu, Auteur ; Y. Liu, Auteur ; J. Qu, Auteur ; T. Jiang, Auteur
Année de publication :	2011
Article en page(s) :	p. 40-47
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Énergie -- Consommation Matières plastiques -- Extrusion Matières plastiques -- Moulage Ondes électromagnétiques Plastification Polyéthylène haute densité Vis d'extrusion simple
Index. décimale :	668.9 Polymères
Résumé :	Physical and mathematical model for polymer plasticizing in proposed electromagnetic dynamic spherical screw extruder were developed to explore polymer plasticizing and molding mechanism at lower temperature under vibration force field. Polymer plasticizing mechanism was studied by deriving the mathematical expressions of energy consumed and the polymer flow. The energy consumed in polymer plasticizing was depicted in terms of vibrating dissipation, polymer deformation, shear and friction energy. LDPE was used as an objective material and extruded by the extruder with the electromagnetic excitation and spherical screw. The experimental results show the good agreement with theoretical calculations. Both of them show that: Polymer processing temperature and energy consumption decrease significantly while the plasticizing rate is increased over 60% by introducing the vibration force field. The research offers experimental and theoretical references as well as the evaluation method for optimizing the polymer processing parameters and designing the vibration induced equipment.
DOI :	10.3139/217.2372
En ligne :	https://drive.google.com/file/d/1VYVOi19pybPDfjlHp7Qw6UPbCB6QCwtE/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10981

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