Voltammetric Characterisation of Polyelectrolyte Adsorption/Transfer at the Water|1,2-DCE Interface

Voltammetric Characterisation of Polyelectrolyte Adsorption/Transfer at the Water|1,2-DCE Interface
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聚电解质在水|1,2-DCE 界面吸附/转移的伏安表征

DOI:
10.1016/s1388-2481(01)00209-0
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发表时间:
2001
期刊:
影响因子:
--
通讯作者:
H. Girault
H. Girault
中科院分区:
--
文献类型:
--
作者:
S. Ulmeanu;Hyejin Lee;H. Girault

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研究了水溶性聚电解质在水-1,2-二氯乙烷界面上的伏安特性。研究的聚电解质包括聚(二烯丙基二甲基氯化铵)(PDADMAC 1)和聚乙烯亚胺(PEI)。吸附过程中,随后通过这些聚电解质的跨界面的转移进行了表征。PDADMA+的单体阳离子,即二烯丙基二甲基铵(DADMA+)离子的可观察到的转移,进行了比较,以证明转移过程。对聚阳离子和单价阳离子的物理数据进行了评价,包括扩散系数和跨水-1,2-三氯乙烷界面的转移吉布斯能。
The voltammetric characterisation of aqueous soluble polyelectrolytes at the water∣1,2-dichloroethane interface was investigated. The polyelectrolytes studied included poly (diallyldimethylammonium chloride) (PDADMACl) and polyethylenimine (PEI). The adsorption process followed by the transfer of these polyelectrolytes across the interface was characterised. The observable transfer of the monomer cation of the PDADMA+, namely diallyldimethylammonium (DADMA+) ion, was compared to that of the polyelectrolyte transfer process. Physical data including the diffusion coefficient and the Gibbs energy of transfer across the water∣1,2-dichlorethane interface was evaluated for both the polycation and monocation.