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Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties

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dc.title Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties en
dc.contributor.author Zdražilová, Natálie
dc.contributor.author Hausnerová, Berenika
dc.contributor.author Kitano, Takeshi
dc.contributor.author Sáha, Petr
dc.relation.ispartof Polymers and Polymer Composites
dc.identifier.issn 0967-3911 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2003
utb.relation.volume 11
utb.relation.issue 6
dc.citation.spage 487
dc.citation.epage 503
dc.type article
dc.language.iso en
dc.publisher Rapra Technology Ltd. en
dc.relation.uri http://cat.inist.fr/?aModele=afficheN&cpsidt=15096949
dc.subject polypropylen cs
dc.subject polyetylentereftalát cs
dc.subject směs cs
dc.subject modifikace cs
dc.subject smyková viskozita cs
dc.subject první rozdíl normálových napětí cs
dc.subject polypropylene en
dc.subject polyethylene terephthalate en
dc.subject blend en
dc.subject modification en
dc.subject shear viscosity en
dc.subject the first normal stress difference en
dc.description.abstract Both polypropylene (PP) and polyethylene terephthalate (PET) constitute a significant portion of post-consumer waste. To improve the recycling of immiscible PP/PET blends, a compatibilization should be utilized. In this study, steady state flow properties of unmodified and modified (by maleic anhydride) PP/PET systems were investigated. Three types of PPs with different flow properties were used to ascertain the influence of the matrix on the blend's rheology. According to the morphological observations and from the increased values of both viscous and elastic characteristics, an improvement in compatibility can be concluded (especially for blend whose components do not differ in viscosities largely) thus suggesting enhanced interphase interactions. Completely different behaviour was observed under the two temperature conditions used: at 265°C, rheological functions decrease with PET content in the blend, while at 245°C they increase, thus recalling the behaviour of particle-filled systems. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1000268
utb.identifier.rivid RIV/70883521:28110/03:63501637
utb.identifier.obdid 11553141
utb.identifier.scopus 2-s2.0-0141794447
utb.identifier.wok 000185291700007
utb.source j-riv
utb.contributor.internalauthor Zdražilová, Natálie
utb.contributor.internalauthor Hausnerová, Berenika
utb.contributor.internalauthor Sáha, Petr
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