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Colloids Interfaces 2017, 1(1), 5; https://doi.org/10.3390/colloids1010005

Recent Applications of Ionic Liquids in the Sol-Gel Process for Polymer–Silica Nanocomposites with Ionic Interfaces

1
MackGraphe (Graphene and Nano-Material Research Center), Mackenzie Presbyterian University, Rua da Consolação 896, São Paulo 01302-907, SP, Brazil
2
Institute of Chemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves 9500, P.O. Box 15003, Porto Alegre 91501-970, RS, Brazil
3
Institute of Macromolecular Chemistry, Heyrovský Sq. 2, 162 06 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Received: 21 October 2017 / Revised: 3 November 2017 / Accepted: 5 November 2017 / Published: 10 November 2017
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Abstract

Understanding the organic–inorganic interphases of hybrid materials allows structure and properties control for obtaining new advanced materials. Lately, the use of ionic liquids (ILs) and poly(ionic liquids) (PILs) allowed structure control from the first sol-gel reaction steps due to their anisotropy and multiple bonding capacity. They also act as multifunctional compatibilizing agents that affect the interfacial interactions in a molecular structure-dependent manner. Thus, this review will explore the concepts and latest efforts to control silica morphology using processes such as the sol-gel, both in situ and ex situ of polymer matrices, pre-polymers or polymer precursors. It discusses how to control the polymer–filler interphase bonding, highlighting the last achievements in the interphase ionicity control and, consequently, how these affect the final nanocomposites providing materials with barrier, shape–memory and self-healing properties. View Full-Text
Keywords: ionic liquids; sol-gel; ionic interfaces; polymer nanocomposites; hybrid materials; barrier properties; shape–memory; self-healing ionic liquids; sol-gel; ionic interfaces; polymer nanocomposites; hybrid materials; barrier properties; shape–memory; self-healing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Donato, K.Z.; Matějka, L.; Mauler, R.S.; Donato, R.K. Recent Applications of Ionic Liquids in the Sol-Gel Process for Polymer–Silica Nanocomposites with Ionic Interfaces. Colloids Interfaces 2017, 1, 5.

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