About: Extrusion of Self-Reinforced Polyethylene     Goto   Sponge   NotDistinct   Permalink

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Description
  • V rámci této práce byly, mimo běžně vytlačovaných strun, vytlačeny také samozpevněné polyetylénové struny a to pomocí konvenčního vytlačovacího stroje se sbíhavou hlavou. Takto vyrobené profily vykazovaly téměř 4krát vyšší elastický modul než vzorky vytlačované za běžných podmínek. Skenovací elektronová mikroskopie odhalila, že struktura těchto samozpevněných strun je fibrilární a že tyto fibrily byly dlouženy ve směru samotného vytlačování. Tyto struny ve srovnání s běžně vytlačovanými také tají při vyšších teplotách. Vytlačovací linka použitá v rámci této práce se tudíž zdá být vhodnou pro výrobu samovyztužených polymerů. (cs)
  • Along with conventionally extruded rods, self-reinforced polyethylene rods were continuously prepared using a conventional extruder equipped with a converging extrusion die. From the work it is apparent that self-reinforced rods showed elastic modulus nearly 4 times higher than that of conventionally extruded rods. Scanning electron microscopy revealed that the morphology of the self-reinforced rod was fibrous and that the fibrils were extended straight along the extrusion direction. Moreover, the self-reinforced rods melted at higher temperature than the rods which had been prepared conventionally. The extrusion line as designed in this work seems to be suitable for self-reinforcement of polymers.
  • Along with conventionally extruded rods, self-reinforced polyethylene rods were continuously prepared using a conventional extruder equipped with a converging extrusion die. From the work it is apparent that self-reinforced rods showed elastic modulus nearly 4 times higher than that of conventionally extruded rods. Scanning electron microscopy revealed that the morphology of the self-reinforced rod was fibrous and that the fibrils were extended straight along the extrusion direction. Moreover, the self-reinforced rods melted at higher temperature than the rods which had been prepared conventionally. The extrusion line as designed in this work seems to be suitable for self-reinforcement of polymers. (en)
Title
  • Extrusion of Self-Reinforced Polyethylene
  • Extrusion of Self-Reinforced Polyethylene (en)
  • Vytlačování samovyztuženého polyetylénu (cs)
skos:prefLabel
  • Extrusion of Self-Reinforced Polyethylene
  • Extrusion of Self-Reinforced Polyethylene (en)
  • Vytlačování samovyztuženého polyetylénu (cs)
skos:notation
  • RIV/70883521:28110/04:63502344!RIV/2005/GA0/281105/N
http://linked.open.../vavai/riv/strany
  • 295-298
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP106/03/P144)
http://linked.open...iv/cisloPeriodika
  • 7
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 564010
http://linked.open...ai/riv/idVysledku
  • RIV/70883521:28110/04:63502344
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Polyethylene; Extrusion; Flow-induced crystallization; Self-reinforcement; Fibrous structure (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [3F41FCDCEDF5]
http://linked.open...i/riv/nazevZdroje
  • Plastics, Rubber and Composites, Macromolecular engineering
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 33
http://linked.open...iv/tvurceVysledku
  • Habrová, Veronika
  • Čermák, Roman
  • Obadal, Martin
  • Stoklasa, Karel
issn
  • 1465-8011
number of pages
http://localhost/t...ganizacniJednotka
  • 28110
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