Morphology Control of Highly Sulfonated Block Copolymers by a Simple Thermal Process

Title
Morphology Control of Highly Sulfonated Block Copolymers by a Simple Thermal Process
Authors
백경열김현지이상호조계룡김형태황승상
Keywords
atom transfer radical polymerization (ATRP); atomic force microscopy (AFM); block copolymers; ionomers; selfassembly; small-angle X-ray scattering (SAXS)
Issue Date
2010-03
Publisher
Macromolecular chemistry and physics
Citation
VOL 211, NO 6, 613-617
Abstract
Well-defined sulfonated block copolymers were prepared by direct thermolysis with block copolymers of n-butyl acrylate (nBA) and neopentyl styrene sulfonated (NSS), which were synthesized by Cu-based living radical polymerization (Mw=Mn <1.20). A simple thermal process for 10 min at 150 ℃completely deprotected the neopentyl groups in the poly(NSS) block segment to give fully sulfonated polystyrene backbone. SAXS profile of the block copolymer with 47 wt.-% of poly(NSS) showed lamella structure, which appeared more clearly with long ranged order after sulfonation of the block copolymer.
URI
http://pubs.kist.re.kr/handle/201004/38376
ISSN
1022-1352
Appears in Collections:
KIST Publication > Article
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