| 초록 |
Nanostructured materials with novel functional properties may be derived from conjugated oligoanilines utilizing their well-defined chain length, good solubility, controlled oxidation states, and structural design with various functional groups. In this study, the tert-butoxycarbonyl (t-BOC) groups protected aniline heptamer diamine was synthesized, and then polymerized with 1,12-diisocyanatododecane to produce a multi-block polymer with urea moieties. The resultant polymer exhibited good solubility in common solvents such as CHCl3 and CH2Cl2 in the presence of CH3OH. Thermal treatment of the polymer in the bulk or in the solution of NMP yielded its deprotected polymer in the emeraldine base state. As the polymers were crystallized from dilute solutions, lamellar crystals formed via folding of alkyl chains, most likely to be driven by hydrogen bonding of urea moieties. Detailed structural characterization of the polymer was carried out using AFM, TEM, and SAXS/WAXS. |
