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Title:Morfologija mešanic PP/PS, kompatibiliziranih z blokkopolimerom SBS
Authors:Radonjič, Gregor (Author)
Musil, Vojko (Author)
Šmit, I. (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-RB3B650G
 
Language:Slovenian
Work type:Not categorized (r6)
Typology:1.01 - Original Scientific Article
Organization:EPF - Faculty of Business and Economics
Abstract:Nemešljivi polimerni mešanici polipropilena (PP) in polistirena (PS) smo dodajali blokkopolimer poli(stiren-b-butadien-b-stiren) (SBS) kot kompatibilizator. S presevno elektronsko mikroskopijo (TEM) in širokokotno rentgensko difrakcijo (WAXD) smo preučevali morfologijo binarnih mešanic PP/PSin PP/SBS ter ternarnih mešanic PP/PS/SBS. TEM-analiza je pokazala, da so v matični fazi PP dispergirani agregirani delci PS, ki jih obdaja SBS. SBS istočasno povezuje matično in dispergirano fazo. Z WAXD analizo je bilo ugotovljeno, da poleg tega dodatek SBS k homopolimeru PP in mešanicam PP/PS sistematično spreminja stopnjo kristaliničnosti in velikost ter orientacijo kristalitov PP, kar kaže na nedvomni vpliv SBS na kristalizacijo PP.
Keywords:kemija, kompatibilnost, morfologija, polimeri, polipropilen, polistiren
Year of publishing:1998
Publisher:Inštitut za kovinske materiale in tehnologije
Number of pages:str. 81-84
Numbering:Letn. 32, št. 1/2
UDC:54
ISSN on article:1318-0010
COBISS_ID:4080924 Link is opened in a new window
NUK URN:URN:SI:UM:DK:IXXBQGUO
Views:662
Downloads:26
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Categories:Misc.
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1318-0010
COBISS.SI-ID:31742209 New window

Secondary language

Language:English
Title:Morphology of PP/PS blends compatibilized with SBS block copolymer
Abstract:Morphological properties of immiscible blends of polypropylene (PP) and polystyrene (PS) with poly(styrene-b-butadiene-b-styrene) (SBS) block copolymer as a compatibilizer were studied by transmission electron microscopy(TEM) and wide angle X-ray diffraction (WAXD). TEM analysis revealed that in PP matrix dispersed aggregated PS particles are joined together with SBS shells. SBS also improves the adhesion between matrix and dispersed phase. addition of SBS to pure PP, or to PP/PS blends, changes degree of crystallinity, crystallite size and orientation systematically, indicating an obvious influence of SBS on PP crystallization behavior.


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