Local Modes of Molecular Mobility in Comb-Shaped Liquid Crystalline Ionomers Containing Alkaline Metal ions | Sciact - CRIS-система Института катализа

Local Modes of Molecular Mobility in Comb-Shaped Liquid Crystalline Ionomers Containing Alkaline Metal ions Научная публикация

Журнал

European Polymer Journal
ISSN: 0014-3057 , E-ISSN: 1873-1945

Вых. Данные

Год: 2008, Том: 44, Номер: 11, Страницы: 3806-3816 Страниц : 11 DOI: 10.1016/j.eurpolymj.2008.08.004

Ключевые слова

Dielectric spectroscopy, Ionomer, Liquid crystal, Molecular mobility, Polymer, Thermally stimulated depolarization current

Авторы

Nikonorova N.A. ¹ , Barmatov E.B. ² , Barmatova M.V. ³ , Pebalk D.A. ² , Diaz-Calleja R. ⁴

Организации

1	Institute of Macromolecular Compounds of Russian Academy of Sciences, Bolshoi pr. 31, 199004 St. Petersburg, Russian Federation
2	Chemistry Department, Moscow State University, 119992 Moscow, Russian Federation
3	Boreskov Institute of Catalysis Pr. Akademika Lavrentieva, 5, 630090 Novosibirsk, Russian Federation
4	Department of Applied Thermodynamics ETSII, Polytechnic University of Valencia, 4606 Valencia, Spain

Molecular mobility of the comb-shaped copolymer poly(4-[6-(acryloyloxy)hexyloxy]benzoic acid-co-butyl acrylate) and Li- and Rb-containing LC ionomers based on this polymer was studied at low temperatures by the methods of dielectric spectroscopy and thermally stimulated depolarization current. The above copolymers are shown to experience the c2, c1, and b-processes, which are related by the reorientation of the end COOH groups, by the mobility of a spacer, and by the reorientation of mesogenic fragments (dimers of oxybenzoic acids) with respect to a long axis, respectively. The formation of multiplet structures in ionomers leads to a suppression of the intensity of the b-process that relates with a partial breakdown of hydrogen-bonded dimmers and with a decrease of their molecular mobility

Nikonorova N.A. , Barmatov E.B. , Barmatova M.V. , Pebalk D.A. , Diaz-Calleja R.
Local Modes of Molecular Mobility in Comb-Shaped Liquid Crystalline Ionomers Containing Alkaline Metal ions
European Polymer Journal. 2008. V.44. N11. P.3806-3816. DOI: 10.1016/j.eurpolymj.2008.08.004 WOS Scopus РИНЦ CAPlusCA OpenAlex

Поступила в редакцию:	7 июн. 2008 г.
Принята к публикации:	8 авг. 2008 г.
Опубликована online:	14 авг. 2008 г.
Опубликована в печати:	1 нояб. 2008 г.

Web of science:	WOS:000261722600050
Scopus:	2-s2.0-55349095416
РИНЦ:	13576218
Chemical Abstracts:	2008:1370390
Chemical Abstracts (print):	150:98912
OpenAlex:	W2026104750

БД	Цитирований
Web of science	8
Scopus	9
РИНЦ	9
OpenAlex	8