Hydration and dielectric properties of aqueous solutions of protonated diallylmethylammonium polymer: transition from monomer to polymer

被引：0
作者：
Timofeeva, Larisa [1 ]
Lyashchenko, Andrey [2 ]
Balakaeva, Irina [2 ]
Lileev, Alexandr [2 ]
Simonova, Yulia [1 ]
机构：
[1] Russian Acad Sci, AA Topchiev Inst Petrochem Synth, Moscow, Russia
[2] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow, Russia
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2020年 / 25卷 / 06期
关键词：
Protonated polydiallylamine; protonated diallylamines; polyelectrolyte solution; dielectric properties; hydration; structure-property relationship; COUNTERION CONDENSATION; ELECTROLYTE SOLUTIONS; RELAXATION; WATER; PERMITTIVITY; DYNAMICS; BEHAVIOR; PYRROLIDINIUM; SPECTROSCOPY; DISPERSION;
D O I：
10.1080/1023666X.2020.1801292
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The high-frequency dielectric relaxation of aqueous solutions of protonated diallylammonium polyelectrolyte, namely poly(diallylmethylammonium trifluoroacetate) has been studied at the maximum water dispersion frequencies, 7.5-25 GHz, and temperatures of 288, 298, and 308 K. Dielectric relaxation parameters have been calculated and compared with similar characteristics of aqueous solutions of monomer, diallylmethylammonium trifluoroacetate, and pyrrolidinium trifluoroacetate salt simulated structure of pyrrolidinium polymer link. It has been concluded that although the monomer features hydrophobic hydration, its polymer exhibits hydrophilic hydration properties. This change is related to conformation of hydrophilic-hydrophobic polycations in aqueous solutions and the change in the structure of polymer links.
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页码：409 / 420
页数：12
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