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Statements

Subject Item
n2:RIV%2F00216305%3A26620%2F12%3APU101370%21RIV13-MSM-26620___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Multiple extrusion simulating thermo-mechanical processing conditions on a laboratory scale has commonly been accepted as a tool for assessing the processing stability of polypropylene. The graphical output of multiple extrusion is the processing curve (MFI vs. number of extrusions), the slope and position of which provide information on the extent of polymer degradation. Processing degradation index (PDI) has been proposed as the way of numerical processing of this curve, which allows expressing its position by means of a single parameter. The application of PDI then allows direct construction of plots showing the dependence of processing stability upon variables such as additives concentration, matrix composition, temperature or simply the origin of the polymer. PDI is a relative parameter and has always be related to the given machinery, temperature and number of extrusions. Multiple extrusion simulating thermo-mechanical processing conditions on a laboratory scale has commonly been accepted as a tool for assessing the processing stability of polypropylene. The graphical output of multiple extrusion is the processing curve (MFI vs. number of extrusions), the slope and position of which provide information on the extent of polymer degradation. Processing degradation index (PDI) has been proposed as the way of numerical processing of this curve, which allows expressing its position by means of a single parameter. The application of PDI then allows direct construction of plots showing the dependence of processing stability upon variables such as additives concentration, matrix composition, temperature or simply the origin of the polymer. PDI is a relative parameter and has always be related to the given machinery, temperature and number of extrusions.
dcterms:title
Processing Degradation Index (PDI) – A Quantitative Measure of Processing Stability of Polypropylene Processing Degradation Index (PDI) – A Quantitative Measure of Processing Stability of Polypropylene
skos:prefLabel
Processing Degradation Index (PDI) – A Quantitative Measure of Processing Stability of Polypropylene Processing Degradation Index (PDI) – A Quantitative Measure of Processing Stability of Polypropylene
skos:notation
RIV/00216305:26620/12:PU101370!RIV13-MSM-26620___
n13:predkladatel
n14:orjk%3A26620
n3:aktivita
n4:Z
n3:aktivity
Z(MSM0021630501)
n3:cisloPeriodika
31
n3:dodaniDat
n9:2013
n3:domaciTvurceVysledku
n17:3722023 n17:9608486
n3:druhVysledku
n15:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
162407
n3:idVysledku
RIV/00216305:26620/12:PU101370
n3:jazykVysledku
n11:eng
n3:klicovaSlova
Degradation, Processing stability, Processing index, Multiple extrusion, Thermo-mechanical degradation, Melt processing, Polypropylene, PDI
n3:klicoveSlovo
n8:Processing%20stability n8:Processing%20index n8:Polypropylene n8:Degradation n8:PDI n8:Melt%20processing n8:Multiple%20extrusion n8:Thermo-mechanical%20degradation
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[5F1C4487A800]
n3:nazevZdroje
POLYMER TESTING
n3:obor
n10:CD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n9:2012
n3:svazekPeriodika
31
n3:tvurceVysledku
Tocháček, Jiří Jančář, Josef
n3:zamer
n7:MSM0021630501
s:issn
0142-9418
s:numberOfPages
6
n19:organizacniJednotka
26620