Article (Scientific journals)
Poly(acrylic acid) with disulfide bond for the elaboration of pH-responsive brush surfaces
Van Camp, Wim; Du Prez, Filip E; Alem, Halima et al.
2010In European Polymer Journal, 46 (2), p. 195-201
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Keywords :
Atomic Force Microscopy (AFM); Brush; responsive-surfaces
Abstract :
[en] We report on a new route for the facile prepn. of pH-responsive tethered brushes on metallic surfaces, starting from poly(acrylic acid) (PAA) contg. a disulfide (S-S) bond (PAA-S-S-PAA). First, atom transfer radical polymn. (ATRP) of 1-ethoxyethyl acrylate (EEA) with a disulfide-contg. initiator was performed to obtain the poly(EEA) precursor polymer (PEEA-S-S-PEEA). Deprotection of PEEA by a heating step resulted in the desired PAA chains without any further purifn. The brushes, obtained by the grafting to' of PAA-S-S-PAA onto gold, were then characterized by at. force microscopy in water at various pH values. The results evidence a large collapsing/swelling capacity.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Chemistry
Author, co-author :
Van Camp, Wim;  Ghent University > Department of Organic Chemistry > Polymer Chemistry Research Group
Du Prez, Filip E;  Ghent University > Department of Organic Chemistry > Polymer Chemistry Research Group
Alem, Halima;  Université Catholique de Louvain - UCL > Unité de Physique et de Chimie des Hauts Polymères
Demoustier-Champagne, Sophie;  Université Catholique de Louvain - UCL > Unité de Physique et de Chimie des Hauts Polymères
Willet, Nicolas ;  Université de Liège - ULiège > Département de chimie (sciences) > Nano-chimie et systèmes moléculaires
Grancharov, Georgy;  Université de Liège - ULiège > Département de Chimie (sciences) > Nano-chimie et Systèmes Moléculaires
Duwez, Anne-Sophie  ;  Université de Liège - ULiège > Département de chimie (sciences) > Nano-chimie et systèmes moléculaires
Language :
English
Title :
Poly(acrylic acid) with disulfide bond for the elaboration of pH-responsive brush surfaces
Publication date :
2010
Journal title :
European Polymer Journal
ISSN :
0014-3057
eISSN :
1873-1945
Publisher :
Elsevier
Volume :
46
Issue :
2
Pages :
195-201
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 May 2010

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