Surface induced porous morphological transition of the organic self-assembled monolayer hybridized polyelectrolyte thin films

Lee, Kyung-Ha; Kim, Dul-Yi; Yang, Sung Yun

doi:10.1007/s13233-013-1058-x

Cited by 2 publications

(2 citation statements)

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“…The multilayers fabricated by LbL process have been utilized in an enormous range of applications. 12,13,[19][20][21] Especially, water-soluble polymers having similar property as weak acid or weak base exhibit highly tunable surface properties as they are processed by LbL deposition technique. Therefore, we used LbL process for the ionic oligo (β-CyD)s to fabricate multilayer films.…”

Section: Resultsmentioning

confidence: 99%

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Synthesis and Characterization of Cationic and Anionic Cyclodextrin Oligomers and Their Use in Layer-by-Layer Film Formation

Yang

Hoonor²,

Jin³

et al. 2013

Bulletin of the Korean Chemical Society

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Ionically modified β-cyclodextrins, which have excellent water-solubility, have been interested in purification technology as well as drug carrier system. The present study summarizes the synthesis and characterization of cationic and anionic β-cyclodextrin (β-CyD) products using by polycondensation. The oligo (β-CyD)s are synthesized from β-CyD, epichlorohydrin (EP) and choline chloride (CC; for cationic polymer) or chloroacetic acid (CAA; for anionic polymer) through one step polycondenstaion process. Unlike the previous studies, we successfully purified the ionic β-CyD condensation products from the β-CyD reaction mixtures and accomplished a great level of structural analysis. The detailed structural analysis of these ionic β-CyD compounds is done by 1 H NMR, MALDI-TOF as well as GPC analysis and confirms the formation of oligomers with a few units of β-CyD. We found that the sequence of reactant addition also could effect on the molecular weight of the resulting product as well as the molar ratio of the reactants. Finally, we used the cationic and anionic β-CyD oligomers for fabricating multilayer films by layer-layer process.

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Section: Resultsmentioning

confidence: 99%

“…[11][12][13] The previously reported polymeric CyDs have CyD as side groups or main chain of the polymer. The former method is mostly based on radical polymerization of acrylate derivatives of CyD or the monomers that form complexes with CyD.…”

Section: 10mentioning

confidence: 99%