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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F03%3A63501637%21RIV%2F2004%2FMSM%2F281104%2FN
rdf:type
skos:Concept n15:Vysledek
dcterms:description
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 observationsand 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. Co mpletely 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. 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 observationsand 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. Co mpletely 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.
dcterms:title
Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties. Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties.
skos:prefLabel
Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties. Rheological Behaviour of PP/PET and Modified PP/PET Blends. I. Steady State Flow Properties.
skos:notation
RIV/70883521:28110/03:63501637!RIV/2004/MSM/281104/N
n3:strany
487-503
n3:aktivita
n13:Z n13:P
n3:aktivity
P(ME 413), Z(MSM 265200015)
n3:cisloPeriodika
11
n3:dodaniDat
n8:2004
n3:domaciTvurceVysledku
n4:5474353 n4:5141443 n4:3173402
n3:druhVysledku
n17:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
625623
n3:idVysledku
RIV/70883521:28110/03:63501637
n3:jazykVysledku
n19:eng
n3:klicovaSlova
polypropylene, polyethylene terephthalate, blend, modification, shear viscosity, the first normal stress difference
n3:klicoveSlovo
n5:blend n5:polyethylene%20terephthalate n5:shear%20viscosity n5:the%20first%20normal%20stress%20difference n5:modification n5:polypropylene
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[49ECA58439E4]
n3:nazevZdroje
Polymers & Polymer Composites
n3:obor
n14:CD
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n16:ME%20413
n3:rokUplatneniVysledku
n8:2003
n3:svazekPeriodika
Neuveden
n3:tvurceVysledku
Kitano, Takeshi Zdražilová, Natálie Hausnerová, Berenika Sáha, Petr
n3:zamer
n9:MSM%20265200015
s:issn
0967-3911
s:numberOfPages
17
n11:organizacniJednotka
28110