Neutral and Charged Brushes Covalently Grafted from OH-Functionalized Mica Surfaces using Surface-Initiated ATRP - Swelling Investigation by AFM

被引：1
|
作者：
Lego, Beatrice [1 ]
Skene, W. G. [1 ]
Giasson, Suzanne [1 ]
机构：
[1] Univ Montreal, Dept Chem, Ctr Self Assembled Chem Struct, Montreal, PQ H3C 3J7, Canada
来源：
POLYMERS AND ORGANIC CHEMISTRY | 2010年 / 297卷
关键词：
POLYELECTROLYTE BRUSHES; POLY(METHACRYLIC ACID); POLYMER BRUSHES; VISUALIZATION; MONOLAYERS; ADHESION; FRICTION; FORCES;
D O I：
10.1002/masy.200900063
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Poly(acrylic acid) (PAA) and poly(tert-butyl acrylate) (PBA) brushes of various grafting densities were prepared via surface-initiated polymerization of tert-butyl acrylate on mica. PAA was prepared by hydrolyzing the PBA brushes. The swelling behavior of PBA and PAA brushes was studied as a function of grafting density by AFM. The swelling of the polymer layer was found to be higher for PAA in water than for the PBA sample swollen with DFM.
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页码：65 / 68
页数：4
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