A comparative study of residence time distributions in a kneader, continuous mixer, and modular intermeshing co-rotating and counter-rotating twin screw extruders / K. Shon in INTERNATIONAL POLYMER PROCESSING, Vol. XIV, N° 1 (03/1999)  

[article]  inINTERNATIONAL POLYMER PROCESSING > Vol. XIV, N° 1 (03/1999) . - p. 44-50 Titre : A comparative study of residence time distributions in a kneader, continuous mixer, and modular intermeshing co-rotating and counter-rotating twin screw extruders Type de document : texte imprimé Auteurs : K. Shon, Auteur ; D. Chang, Auteur ; J. L. White, Auteur Année de publication : 1999 Article en page(s) : p. 44-50 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : Residence time distributions were measured for a Buss Kneader, Kobelco Nex-T continuous mixer as well as intermeshing co-rotating and counter-rotating twin screw extruders using polypropylene with aluminum flakes as a marker. Various modular screw configurations, screw speeds and feed rates were considered. Increasing feed rate and increasing screw speed the mean residence to shorter values and narrows the residence time distribution. Generally, in comparison ofthe different machines, the intermeshing counter-rotating twin screw extruder has the shortest mean residence time and narrowest distribution of residence times, while the Buss Kneader has the longest mean residence time and broadest residence time distribution. DOI : 10.3139/217.1519 En ligne : https://drive.google.com/file/d/1QZg6zkuGl6qQAvRTbWIpWf0aKqJmHtEh/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16110 [article]

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Experimental studies and modeling of development of dispersion and fiber damage in continuous compounding / K. Shon in INTERNATIONAL POLYMER PROCESSING, Vol. XX, N° 3 (09/2005)  

[article]  inINTERNATIONAL POLYMER PROCESSING > Vol. XX, N° 3 (09/2005) . - p. 322-332 Titre : Experimental studies and modeling of development of dispersion and fiber damage in continuous compounding Type de document : texte imprimé Auteurs : K. Shon, Auteur ; D. Liu, Auteur ; J. L. White, Auteur Année de publication : 2005 Article en page(s) : p. 322-332 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : An experimental study of mixing of various particulates into synthetic elastomers and polypropylene is presented. For the elastomers, a batch internal mixer and a commercial continuous mixer were used to disperse various small particles including silica, carbon black, and CaCO3. For the polypropylene, this same continuous mixer plus a Buss Kneader, co-rotating twin screw extruder and an intermeshing counter-rotating twin screw extruder with different modular screw configurations were used to follow the dispersion of CaCO3. The breakage of glass fibers in these machines was also followed. Generally the most severe breakage of agglomerates and glass fiber was by modular intermeshing counter-rotating screws with special Leistritz elements. A model was developed for breakdown of agglomerates and fibers. The agreement with experiment was promising. DOI : 10.3139/217.1894 En ligne : https://drive.google.com/file/d/1MXOXUnwnbGQVTKQ4RK6CJ21FdkxtWc_T/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3069 [article]

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