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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F11%3A00215255%21RIV14-GA0-21220___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
The polyethylene (PE) coatings could be very promising for various branches of industry due to their chemical stability and impact resistance. Plasma modification of powder has recently attracted much interest because of new prospects to control the interfacial properties. Plasma modification also significantly enhanced the adhesion of the polymer to the substrate. Powders find wide application in various branches of industry like paintings, biotechnology, filling for composite materials etc., but the plasma modification of powder surface has not found such application as plasma modification of flat solid materials. This is due to problems connected with the three dimensional geometry, necessity of solid mixing (due to the aggregation phenomenon) and the large surface area of powders which should be treated. We investigated plasma modification of PE powder, its adhesion properties on steel surface and mechanism influencing this adhesion. PE powder was modified using various working gases and chemicals. It was found that adhesion properties were strongly influenced by concentration of oxygen containing groups and also by PE crosslinking after modification. The value of crosslinking depends on used working gas and chemicals. The ternary mixture of O(2)/H(2)O/methanol was found to be an appropriate working gas for plasma treatment of PE for adhesion purposes. The treated PE had good wettability, low crosslinking and very high adhesion to the steel substrate. The polyethylene (PE) coatings could be very promising for various branches of industry due to their chemical stability and impact resistance. Plasma modification of powder has recently attracted much interest because of new prospects to control the interfacial properties. Plasma modification also significantly enhanced the adhesion of the polymer to the substrate. Powders find wide application in various branches of industry like paintings, biotechnology, filling for composite materials etc., but the plasma modification of powder surface has not found such application as plasma modification of flat solid materials. This is due to problems connected with the three dimensional geometry, necessity of solid mixing (due to the aggregation phenomenon) and the large surface area of powders which should be treated. We investigated plasma modification of PE powder, its adhesion properties on steel surface and mechanism influencing this adhesion. PE powder was modified using various working gases and chemicals. It was found that adhesion properties were strongly influenced by concentration of oxygen containing groups and also by PE crosslinking after modification. The value of crosslinking depends on used working gas and chemicals. The ternary mixture of O(2)/H(2)O/methanol was found to be an appropriate working gas for plasma treatment of PE for adhesion purposes. The treated PE had good wettability, low crosslinking and very high adhesion to the steel substrate.
dcterms:title
Investigation of Adhesion Between Metal and Plasma-Modified Polyethylene Investigation of Adhesion Between Metal and Plasma-Modified Polyethylene
skos:prefLabel
Investigation of Adhesion Between Metal and Plasma-Modified Polyethylene Investigation of Adhesion Between Metal and Plasma-Modified Polyethylene
skos:notation
RIV/68407700:21220/11:00215255!RIV14-GA0-21220___
n5:predkladatel
n12:orjk%3A21220
n3:aktivita
n16:V n16:P
n3:aktivity
P(GA106/08/1665), V
n3:cisloPeriodika
10
n3:dodaniDat
n17:2014
n3:domaciTvurceVysledku
n8:5618215 n8:8817421
n3:druhVysledku
n20:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
205684
n3:idVysledku
RIV/68407700:21220/11:00215255
n3:jazykVysledku
n19:eng
n3:klicovaSlova
adhesion; crosslinking; plasma treatment; polyethylene powder; wettability
n3:klicoveSlovo
n4:polyethylene%20powder n4:plasma%20treatment n4:wettability n4:crosslinking n4:adhesion
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[C2A1F2706F2B]
n3:nazevZdroje
Plasma Processes and Polymers
n3:obor
n11:JK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:projekt
n14:GA106%2F08%2F1665
n3:rokUplatneniVysledku
n17:2011
n3:svazekPeriodika
8
n3:tvurceVysledku
Špatenka, Petr Steidl, Josef Horáková, Marta Hladík, J. Horník, Jakub Polachová, A.
n3:wos
000296429000010
s:issn
1612-8850
s:numberOfPages
6
n13:doi
10.1002/ppap.201100045
n18:organizacniJednotka
21220