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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F10%3A00023235%21RIV11-GA0-22340___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Semi-crystalline polymers constitute the largest group of commercially useful polymers. Semi-crystalline structure of polymer consists of amorphous and crystalline phase. Examples of semi-crystalline polymers are HDPE, LDPE, LLDPE and PP (high-density polyethylene, low-density PE, linear low-density PE, polypropylene). Diffusion of penetrates (e.g., monomers) in these polymers is important in manufacturing and down-stream processing. Crystalline phase is organized in lamellae of characteristic thickness of 10 nm. Lateral growth of lamellae from nucleation center, their branching and twisting creates spherulites of characteristic size in the range of 0.1 to 100 μm. We are developing tools for mapping from the space of morphology of semi-crystalline polymers into the space of their transport and mechanical properties. The goal of the experimental part of this work is the systematic investigation of the semi-crystalline lamellae morphology of polyolefin samples by AFM. Samples of PE were etched in o Semi-crystalline polymers constitute the largest group of commercially useful polymers. Semi-crystalline structure of polymer consists of amorphous and crystalline phase. Examples of semi-crystalline polymers are HDPE, LDPE, LLDPE and PP (high-density polyethylene, low-density PE, linear low-density PE, polypropylene). Diffusion of penetrates (e.g., monomers) in these polymers is important in manufacturing and down-stream processing. Crystalline phase is organized in lamellae of characteristic thickness of 10 nm. Lateral growth of lamellae from nucleation center, their branching and twisting creates spherulites of characteristic size in the range of 0.1 to 100 μm. We are developing tools for mapping from the space of morphology of semi-crystalline polymers into the space of their transport and mechanical properties. The goal of the experimental part of this work is the systematic investigation of the semi-crystalline lamellae morphology of polyolefin samples by AFM. Samples of PE were etched in o
dcterms:title
Reconstruction of lamellae morphology of semi-crystalline polymers and modeling of diffusion transport Reconstruction of lamellae morphology of semi-crystalline polymers and modeling of diffusion transport
skos:prefLabel
Reconstruction of lamellae morphology of semi-crystalline polymers and modeling of diffusion transport Reconstruction of lamellae morphology of semi-crystalline polymers and modeling of diffusion transport
skos:notation
RIV/60461373:22340/10:00023235!RIV11-GA0-22340___
n3:aktivita
n16:Z n16:S n16:P
n3:aktivity
P(GAP106/10/1912), P(GD104/08/H055), P(KAN208240651), S, Z(MSM6046137306)
n3:dodaniDat
n19:2011
n3:domaciTvurceVysledku
n4:3418847 n4:6858791 n4:5350077 n4:5230233
n3:druhVysledku
n8:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n22:predkladatel
n3:idSjednocenehoVysledku
284220
n3:idVysledku
RIV/60461373:22340/10:00023235
n3:jazykVysledku
n7:eng
n3:klicovaSlova
Semi-crystalline polymers; lamellar morphology; plasma etching; AFM; spherulite; crystalline lamellae; diffusion
n3:klicoveSlovo
n12:diffusion n12:lamellar%20morphology n12:Semi-crystalline%20polymers n12:spherulite n12:plasma%20etching n12:crystalline%20lamellae n12:AFM
n3:kontrolniKodProRIV
[4A9FBDA3DEBE]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
CHISA 2010
n3:obor
n10:CI
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n14:KAN208240651 n14:GD104%2F08%2FH055 n14:GAP106%2F10%2F1912
n3:rokUplatneniVysledku
n19:2010
n3:tvurceVysledku
Grof, Zdeněk Kosek, Juraj Pokorný, Richard Hajová, Hana
n3:typAkce
n20:WRD
n3:zahajeniAkce
2010-01-01+01:00
n3:zamer
n6:MSM6046137306
s:numberOfPages
10
n9:hasPublisher
Process Engineering Publisher, Novosad, J.
n13:isbn
978-80-02-02210-7
n15:organizacniJednotka
22340