Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/67568
Title: Surface modifications of polyaniline films by graft copolymerization
Authors: Kang, E.T. 
Neoh, K.G. 
Tan, K.L. 
Uyama, Y.
Morikawa, N.
Ikada, Y.
Issue Date: 1992
Source: Kang, E.T.,Neoh, K.G.,Tan, K.L.,Uyama, Y.,Morikawa, N.,Ikada, Y. (1992). Surface modifications of polyaniline films by graft copolymerization. Macromolecules 25 (7) : 1959-1965. ScholarBank@NUS Repository.
Abstract: Both pristine and argon plasma pretreated emeraldine (EM) base films have been subjected to near-UV-light-induced graft copolymerization with acrylamide (AAm), the sodium salt of 4-styrenesulfonic acid (NaSS), and acrylic acid (AAc). The structure and chemical composition at each copolymer surface and interface are studied by angle-resolved X-ray photoelectron spectroscopy (XPS). In each case, the density of surface grafting is enhanced by plasma pretreatment. Surface grafting with the three polymers also leads to a more hydrophilic EM film. Furthermore, grafting with the NaSS and AAc polymers readily gives rise to a self-doped or self-protonated EM surface structure. However, a substantial proportion of the grafted protonic acid groups at the surface remains free for further surface modification and functionalization. © 1992 American Chemical Society.
Source Title: Macromolecules
URI: http://scholarbank.nus.edu.sg/handle/10635/67568
ISSN: 00249297
Appears in Collections:Staff Publications

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