Bulletin of the Korean Chemical Society

  • 제18권2호
  • /
  • Pages.190-193
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  • 1997
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Coordinatively Polymerized Bilayer Membranes Prepared with an Amphiphilic Derivative of 2-Thiazolyazophenol in Water

  • 발행 : 1997.02.20
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초록

In search of new amphiphiles that form coordinatively polymerized bilayer membranes (CPBMs) in water, N-dodecyl-3-[2-hydroxy-3-(4-carboxymethyl-2-thiazolylazo)-5-methylphenyl]propanamide (5) was prepared. The bilayer membranes of 5 prepared in the presence of 2 equivalents of NaOH were further sonicated in the presence of transition metal ions such as Ni(Ⅱ), Cu(Ⅱ), Co(Ⅱ), or Co(Ⅲ) at > 80 ℃ to obtain CPBMs. The CPBMs of 5 were characterized by transmission electron microscopy, gel filtration, resistivity against disruption in aqueous ethanol, visible spectra, and release of entrapped 5(6)-carboxyfluorescein. Remarkable stabilization of the bilayer membranes through coordinative polymerization was evidenced by the resistivity of the Ni(Ⅱ)-CPBM of 5 against disruption in 40%(v/v) ethanol upon incubation for 20 hr.

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참고문헌

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