Surface Grafting via Photo-Induced Copper-Mediated Radical Polymerization at Extremely Low Catalyst Concentrations

Surface‐initiated photo‐induced copper‐mediated radical polymerization is employed to graft a wide range of polyacrylate brushes from silicon substrates at extremely low catalyst concentrations. This is the first time that the controlled nature of the reported process is demonstrated via block copol...

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Vydané v:Macromolecular rapid communications. Ročník 36; číslo 18; s. 1681 - 1686
Hlavní autori: Laun, Joachim, Vorobii, Mariia, de los Santos Pereira, Andres, Pop-Georgievski, Ognen, Trouillet, Vanessa, Welle, Alexander, Barner-Kowollik, Christopher, Rodriguez-Emmenegger, Cesar, Junkers, Thomas
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Germany Blackwell Publishing Ltd 01.09.2015
Wiley Subscription Services, Inc
Predmet:
Acrylic resins
Block copolymers
Catalysis
Catalysts
Copper
Copper - chemistry
copper-mediated polymerization
Film thickness
Formations
Grafting
Light
photo-induced polymerization
Polyacrylate
Polyacrylates
polymer brushes
Polymerization
Polymers - chemistry
Radicals
reversible deactivation radical polymerization
Silicon substrates
spatial control
Thickness
photo-induced polymerization
copper-mediated polymerization
spatial control
polymer brushes
reversible deactivation radical polymerization
ISSN:1022-1336, 1521-3927, 1521-3927
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Shrnutí:Surface‐initiated photo‐induced copper‐mediated radical polymerization is employed to graft a wide range of polyacrylate brushes from silicon substrates at extremely low catalyst concentrations. This is the first time that the controlled nature of the reported process is demonstrated via block copolymer formation and re‐initiation experiments. In addition to unmatched copper catalyst concentrations in the range of few ppb, film thicknesses up to almost 1 μm are achieved within only 1 h. Surface‐initiated photo‐induced copper‐mediated radical polymerization is employed to graft a wide range of polyacrylate brushes from silicon substrates at extremely low catalyst concentrations. Block copolymer formation and re‐initiation experiments evidence good control over the reaction. In addition to unmatched copper catalyst concentrations in the range of few ppb, film thicknesses up to almost 1 μm are achieved within only 1 h.
Bibliografia:European Regional Development Funds - No. CZ.1.05/1.1.00/02.0109
Grant Agency of the Czech Republic (GACR) - No. 15-09368Y
ERDF OPPK - No. CZ.2.16/3.1.00/21545
Fonds Wetenschappelijk Onderzoek (FWO)
ArticleID:MARC201500322
istex:59B70A81C8412633B1CE569C09ABFEEB459F6ECA
ark:/67375/WNG-PPSR4B2S-1
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:1022-1336
1521-3927
1521-3927
DOI:10.1002/marc.201500322