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Auteur L. kratofil |
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Reactive extrusion of SAN/EPDM blends / Z. Hrnjak-Murgic in INTERNATIONAL POLYMER PROCESSING, Vol. XIX, N° 2 (06/2004)
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Titre : Reactive extrusion of SAN/EPDM blends Type de document : texte imprimé Auteurs : Z. Hrnjak-Murgic, Auteur ; L. kratofil, Auteur ; Z. Jelcic, Auteur ; J. Jelencic, Auteur ; Z. Janovic, Auteur Année de publication : 2004 Article en page(s) : p. 139-146 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : The blending of styrene-acrylonitrile copolymer (SAN) and three different types of ethylene-propylene-diene terpolymer (EPDM) by reactive extrusion was studied and the free radical initiators: 2,5-dimethyl-2,5-di-(t-butylperoxy)hexane (Luperco 101 XL), 2,5-dimethyl-2,5-di-(t-butylperoxy)hexyne-3 (Luperco 130 XL), a,a'-di(t-butylperoxy)diisopropyl-benzene (Peroximon F40) and 2,2-azo-di-(2-acetoxy)propane (Luazo AP) were used. Besides, structural characteristics of the obtained blends, some rheological and mechanical properties were also established. The rheological behavior was determined using rheometer and corotating extruder. Measurements of mechanical properties included: tensile strength, impact strength and elongation at break have been made. Blends were separated on its structural components SAN, EPDM, graft (EPDM-g- SAN) and gel content, which were further characterized by solution viscosimetry and IR spectrophotometry. The obtained results elucidate the reactions that occur during extrusion process. The dominant grafting reaction was observed in blends prepared by using a Peroximon F40 as an initiator also showing outstanding mechanical and processing characteristics. DOI : 10.3139/217.1817 En ligne : https://drive.google.com/file/d/1dNwU-SNyNS5N16mnq6-Ra0PDVatw_4eT/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3281
in INTERNATIONAL POLYMER PROCESSING > Vol. XIX, N° 2 (06/2004) . - p. 139-146[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 001028 - Périodique Bibliothèque principale Documentaires Disponible Study of the compatibilizer effect on blends prepared from waste poly(ethylene-terephthalate) and high density polyethylene / L. kratofil in INTERNATIONAL POLYMER PROCESSING, Vol. XXI, N° 3 (07/2006)
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Titre : Study of the compatibilizer effect on blends prepared from waste poly(ethylene-terephthalate) and high density polyethylene Type de document : texte imprimé Auteurs : L. kratofil, Auteur ; Z. Hrnjak-Murgic, Auteur ; J. Jelencic, Auteur ; B. andricic, Auteur ; T. Kovacic, Auteur ; V. Merzel, Auteur Année de publication : 2006 Article en page(s) : p. 328-335 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 668.9 Polymères Résumé : In this work mechanical recycling of waste poly(ethylene-terephthalate) (PET) in the presence of high density polyethylene (HDPE) was studied. The fraction of HDPE in PET/HDPE blends was 3, 5, 6 and 10 wt.%. Isocyanate HI compatibilizer was first synthesized and then added to the blends at a fraction of 5 wt.%. Ethylene-propylene-diene masterbatch (EPDM-M) was prepared by mixing and added in fraction of 15, 30 and 50 wt.%. All PET/HDPE blends studied were characterized by scanning electron microscopy SEM, differential scanning calorimetry DSC and melt flow rate (MFR). Blends prepared with isocyanate HI compatibilizer were also studied by FTIR spectroscopy. Appearance of new vibrations in the FTIR spectra confirms that during the blending reactions between isocyanate HI compatibilizer and blend components appear. Results show that used compatibilizers significantly improved compatibility of polymers in studied blends. From the results it is obvious that immiscibility of PET and HDPE can be overcome. DOI : 10.3139/217.0123 En ligne : https://drive.google.com/file/d/1Sy_NCoac9Fd6sGN1XhRJiVf-PdNO1t7t/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=2847
in INTERNATIONAL POLYMER PROCESSING > Vol. XXI, N° 3 (07/2006) . - p. 328-335[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 005042 - Périodique Bibliothèque principale Documentaires Disponible