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Issue 34, 2013
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Polyurethane–poly(2-hydroxyethyl methacrylate) semi-IPN–nanooxide composites

Vladimir A. Bershtein,a   Vladimir M. Gun'ko,*b   Lyudmila V. Karabanova,c   Tatiana E. Sukhanova,d   Pavel N. Yakushev,a   Larisa M. Egorova,a   Anna A. Turova,b   Vladimir I. Zarko,b   Eugene M. Pakhlov,b   Milana E. Vylegzhaninad  and  Sergey V. Mikhalovskyef  
Author affiliations

* Corresponding authors

a Ioffe Physical-Technical Institute, RAS, 194021 St.-Petersburg, Russia
E-mail: vbersht.polmater@mail.ioffe.ru

b Chuiko Institute of Surface Chemistry, 17 General Naumov Str., Kiev, Ukraine
E-mail: vlad.gunko@ukr.net
Fax: 38044 4243567
Tel: 38044 4229627

c Institute of Macromolecular Chemistry, NASU, Kyiv 02660, Ukraine
E-mail: lyudmyla_karaban@ukr.net

d Institute of Macromolecular Compounds, RAS, St.-Petersburg 199004, Russia
E-mail: xelmic@imc.macro.ru

e School of Pharmacy & Biomolecular Sciences, University of Brighton, Brighton BN2 4GJ, U.K.
E-mail: s.mikhalovsky@brighton.ac.uk

f School of Engineering, Nazarbayev University, 53 Kabanbay Batyr Ave., Astana 010000, Kazakhstan

Abstract

Two sets of hybrid polyurethane–poly(2-hydroxyethyl methacrylate) semi-interpenetrating polymer network–nanooxide composites with 0.25 or 3 wt% nanosilica or nanoalumina functionalised with OH, NH2 or CH[double bond, length as m-dash]CH2 groups were prepared. A combination of atomic force microscopy, infrared spectroscopy, thermally stimulated depolarisation current measurement, differential scanning calorimetry and creep rate spectroscopy analysis of the nanostructure and properties of the composites was performed. The pronounced dynamic heterogeneity and the strong impact of oxide additives, basically suppression of the dynamics and temperature-dependent increasing modulus of elasticity, were observed. The effects correlated with either interfacial interactions (for silica) or the nanostructure (for alumina). A low oxide content strongly affected the matrix due to the formation of an unusual cross-linked, via double covalent hybridisation of three components, structure of the nanocomposites.

Graphical abstract: Polyurethane–poly(2-hydroxyethyl methacrylate) semi-IPN–nanooxide composites

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Article information

https://doi.org/10.1039/C3RA40295A
Submitted
21 Jan 2013
Accepted
30 May 2013
First published
31 May 2013
RSC Adv., 2013,3, 14560-14570
Article type
Paper
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Polyurethane–poly(2-hydroxyethyl methacrylate) semi-IPN–nanooxide composites

V. A. Bershtein, V. M. Gun'ko, L. V. Karabanova, T. E. Sukhanova, P. N. Yakushev, L. M. Egorova, A. A. Turova, V. I. Zarko, E. M. Pakhlov, M. E. Vylegzhanina and S. V. Mikhalovsky, RSC Adv., 2013, 3, 14560
DOI: 10.1039/C3RA40295A

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