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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F13%3A00397101%21RIV14-GA0-61389013
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Novel antifouling highly wettable hydrogels with superior mechanical and self-healing properties are presented. Hydrogels were prepared by UV-initiated copolymerisation of non-fouling zwitterionic carboxybetaine methacrylamide (CBMAA-3) and 2-hydroxyethyl methacrylate (HEMA) in the presence of uniformly dispersed clay nanoparticles (Laponite XLG) in water. The nanoparticles acted as physical cross-linkers resulting in excellent mechanical resistance. The effects of composition such as the amount of nanoclay and the HEMA/CBMAA-3 molar ratio on the physical properties of the nanocomposite hydrogels were investigated. These gels showed outstanding composition-dependent mechanical properties, exhibiting remarkably large elongations at break (1800%) and high strengths and moduli even at higher molar contents of CBMAA-3 and higher degrees of swelling (DS). Furthermore, these hydrogels were able to repair mechanical damage without the use of any healing agent by spontaneous reconstruction of cross-links across a damaged interface. Novel antifouling highly wettable hydrogels with superior mechanical and self-healing properties are presented. Hydrogels were prepared by UV-initiated copolymerisation of non-fouling zwitterionic carboxybetaine methacrylamide (CBMAA-3) and 2-hydroxyethyl methacrylate (HEMA) in the presence of uniformly dispersed clay nanoparticles (Laponite XLG) in water. The nanoparticles acted as physical cross-linkers resulting in excellent mechanical resistance. The effects of composition such as the amount of nanoclay and the HEMA/CBMAA-3 molar ratio on the physical properties of the nanocomposite hydrogels were investigated. These gels showed outstanding composition-dependent mechanical properties, exhibiting remarkably large elongations at break (1800%) and high strengths and moduli even at higher molar contents of CBMAA-3 and higher degrees of swelling (DS). Furthermore, these hydrogels were able to repair mechanical damage without the use of any healing agent by spontaneous reconstruction of cross-links across a damaged interface.
dcterms:title
Novel antifouling self-healing poly(carboxybetaine methacrylamide-co-HEMA) nanocomposite hydrogels with superior mechanical properties Novel antifouling self-healing poly(carboxybetaine methacrylamide-co-HEMA) nanocomposite hydrogels with superior mechanical properties
skos:prefLabel
Novel antifouling self-healing poly(carboxybetaine methacrylamide-co-HEMA) nanocomposite hydrogels with superior mechanical properties Novel antifouling self-healing poly(carboxybetaine methacrylamide-co-HEMA) nanocomposite hydrogels with superior mechanical properties
skos:notation
RIV/61389013:_____/13:00397101!RIV14-GA0-61389013
n8:predkladatel
n9:ico%3A61389013
n3:aktivita
n15:P n15:I
n3:aktivity
I, P(GA13-00939S), P(GAP106/12/1451), P(GAP205/12/1702), P(GBP205/12/G118), P(KAN200520804)
n3:cisloPeriodika
41
n3:dodaniDat
n12:2014
n3:domaciTvurceVysledku
de los Santos Pereira, Andres Rodriguez-Emmenegger, Cesar n18:2790130 Kostina, Nina
n3:druhVysledku
n16:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
92341
n3:idVysledku
RIV/61389013:_____/13:00397101
n3:jazykVysledku
n11:eng
n3:klicovaSlova
hydrogels; self-healing; antifouling
n3:klicoveSlovo
n7:hydrogels n7:antifouling n7:self-healing
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[6945CD853698]
n3:nazevZdroje
Journal of Materials Chemistry B
n3:obor
n19:CD
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
6
n3:projekt
n5:GBP205%2F12%2FG118 n5:GAP106%2F12%2F1451 n5:GAP205%2F12%2F1702 n5:GA13-00939S n5:KAN200520804
n3:rokUplatneniVysledku
n12:2013
n3:svazekPeriodika
1
n3:tvurceVysledku
Grijpma, D. W. Michálek, Jiří Rodriguez-Emmenegger, Cesar Kostina, Nina Sharifi, S. de los Santos Pereira, Andres
n3:wos
000325762800014
s:issn
2050-750X
s:numberOfPages
7
n14:doi
10.1039/C3TB20704H