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Birefringence and mechanical property development in melt spinning cyclopolyolefin filaments / M.-H. Hong in INTERNATIONAL POLYMER PROCESSING, Vol. XVII, N° 1 (03/2002)
[article]
Titre : Birefringence and mechanical property development in melt spinning cyclopolyolefin filaments Type de document : texte imprimé Auteurs : M.-H. Hong, Auteur ; J. L. White, Auteur Année de publication : 2002 Article en page(s) : p. 53-59 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : An experimental study of the characterization melt spinning cyclopolyolefins is presented. The shear and complex viscosities were measured and the data was found to fit the Cox-Merz relation. The birefringence of the melt-spun filaments was determined and correlated with spinline stress. These were found to be much lower than polycarbonate and polystyrene filaments melt spun under the same conditions. The birefringence was represented in terms of polymer chain orientation. The uniaxial mechanical behaviour was also measured. The Young’s modulus and tensile strength generally increased with spinline stress and orientation for most cyclopolyolefins. The elongation to break decreased with measured polymer chain orientation for most cyclopolyolefins. For others it was enhanced. Note de contenu : - EXPERIMENTAL : Materials - Thermogravimetric analysis (TGA) - Differential scanning calorimeter (DSC) - Melt viscosity - Melt spinning experiments - Birefringence measurements - mechanical property measurements
- RESULTS : Thermogravimetric Analysis (TGA) - Differential scanning calorimetery (DSC)- Melt viscosity - Melt spinning - Fiber birefringence - Mechanical properties
- DISCUSSION : General properties of CPOs - Melt viscosity - Birefringence - Mechanical propertiesDOI : 10.3139/217.1672 En ligne : https://drive.google.com/file/d/1YhSijYmskPYCFkKQPRvQBuMDIaf9Tznx/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15986
in INTERNATIONAL POLYMER PROCESSING > Vol. XVII, N° 1 (03/2002) . - p. 53-59[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001019 - Périodique Bibliothèque principale Documentaires Disponible Experimental studies on screw characteristics in closely intermeshing counter-rotating twin screw extruder / M.-H. Hong in INTERNATIONAL POLYMER PROCESSING, Vol. XXIII, N° 1 (03/2008)
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Titre : Experimental studies on screw characteristics in closely intermeshing counter-rotating twin screw extruder Type de document : texte imprimé Auteurs : M.-H. Hong, Auteur ; Q. Jiang, Auteur ; J. L. White, Auteur Année de publication : 2008 Article en page(s) : p. 88-92 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : Experimental Studies on Screw Characteristics in Closely Intermeshing Counter-rotating Twin Screw Extruder DOI : 10.3139/217.2049 En ligne : https://drive.google.com/file/d/1gceJ67CNLhTKJAt-yA1OYiPB4SpN6Gk-/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=2665
in INTERNATIONAL POLYMER PROCESSING > Vol. XXIII, N° 1 (03/2008) . - p. 88-92[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 009860 - Périodique Bibliothèque principale Documentaires Disponible Simulation of flow in an intermeshing modular counter-rotating twin screw extruder : non-newtonian and non-isothermal behavior / M.-H. Hong in INTERNATIONAL POLYMER PROCESSING, Vol. XIV, N° 2 (06/1999)
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Titre : Simulation of flow in an intermeshing modular counter-rotating twin screw extruder : non-newtonian and non-isothermal behavior Type de document : texte imprimé Auteurs : M.-H. Hong, Auteur ; J. L. White, Auteur Année de publication : 1999 Article en page(s) : p. 136-143 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : Screw extrusion/mixing : An analysis of flow fields, pressure fields and screw pumping characteristics is presented for non-Newtonian fluids in various types of screw elements of an intermeshing counter-rotating twin screw extruder. These elements are in turn considered modules of a modular intermeshing counter-rotating twin screw extruder and an analysis of non-isothermal starved flow in such a machine is presented. Pressure profiles, fill factor profiles and temperature profiles have been calculated for various modular screw designs of a Leistritz GG modular intermeshing counter-rotating twin screw extruder. Note de contenu : - ANALYSIS OF FLOW IN SCREW ELEMENTS : Formulation - Solution for pressure and flux fields - Results
- MODULAR MACHINE : General - Non-isothermal modelling - CalculationsDOI : 10.3139/217.1538 En ligne : https://drive.google.com/file/d/1rbhrt7-FqD56A6eJWI_tQn7eYRqjIGzU/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16094
in INTERNATIONAL POLYMER PROCESSING > Vol. XIV, N° 2 (06/1999) . - p. 136-143[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001008 - Périodique Bibliothèque principale Documentaires Disponible