Ionic liquid based multifunctional double network gel

Kumkum Ahmed; Tomoya Higashihara; Hiroyuki Arafune; Toshio Kamijo; Takashi Morinaga; Takaya Sato; Hidemitsu Furukawa

doi:10.1117/12.2084160

1 April 2015 Ionic liquid based multifunctional double network gel

Kumkum Ahmed, Tomoya Higashihara, Hiroyuki Arafune, Toshio Kamijo, Takashi Morinaga, Takaya Sato, Hidemitsu Furukawa

Proceedings Volume 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015; 943210 (2015) https://doi.org/10.1117/12.2084160
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Gels are a promising class of soft and wet materials with diverse application in tissue engineering and bio-medical purpose. In order to accelerate the development of gels, it is required to synthesize multi-functional gels of high mechanical strength, ultra low surface friction and suitable elastic modulus with a variety of methods and new materials. Among many types of gel ionic gel made from ionic liquids (ILs) could be used for diverse applications in electrochemical devices and in the field of tribology. IL, a promising materials for lubrication, is a salt with a melting point lower than 100 °C. As a lubricant, ILs are characterized by an extremely low vapor pressure, high thermal stability and high ion conductivity. In this work a novel approach of making double network DN ionic gel using IL has been made utilizing photo polymerization process. A hydrophobic monomer Methyl methacrylate (MMA) has been used as a first network and a hydrophobic IL monomer, N,N-diethyl-N-(2-mthacryloylethyl)-N-methylammonium bistrifluoromethylsulfonyl)imide (DEMM-TFSI) has been used as a second network using photo initiator benzophenon and crosslinker triethylene glycol dimethacrylate (TEGDMA). The resulting DN ionic gel shows transparency, flexibility, high thermal stability, good mechanical toughness and low friction coefficient value which can be a potential candidate as a gel slider in different mechanical devices and can open a new area in the field of gel tribology.

Citation Download Citation

Kumkum Ahmed, Tomoya Higashihara, Hiroyuki Arafune, Toshio Kamijo, Takashi Morinaga, Takaya Sato, and Hidemitsu Furukawa "Ionic liquid based multifunctional double network gel", Proc. SPIE 9432, Behavior and Mechanics of Multifunctional Materials and Composites 2015, 943210 (1 April 2015); https://doi.org/10.1117/12.2084160

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KEYWORDS

Scattering

Polymerization

Light scattering

Liquids

Polymethylmethacrylate

Dynamic light scattering

Polymers

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