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Graphene Oxide Epoxy (GO-xy): GO as Epoxy Adhesive by Interfacial Reaction of Functionalities

Vinod, Soumya and Tiwary, Chandra Sekhar and Samanta, Atanu and Ozden, Sehmus and Narayanan, Tharangattu N and Vajtai, Robert and Agarwal, Vipin and Singh, Abhishek K and John, George and Ajayan, Pulickel M (2018) Graphene Oxide Epoxy (GO-xy): GO as Epoxy Adhesive by Interfacial Reaction of Functionalities. In: ADVANCED MATERIALS INTERFACES, 5 (2).

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Official URL: http://dx.doi.org/10.1002/admi.201700657

Abstract

The unique combination of layered structure and chemical moieties grants very interesting physiochemical properties to graphene oxide (GO). Functional groups such as epoxide, hydroxyl, and carboxyl are abundantly distributed along the hexagonal lattice of carbon atoms. The superior properties of GO and increased interfacial interaction with other compounds make them excellent filler materials in polymers such as epoxies for creating multifunctional composites. Alternatively, the presence of epoxide group on GO opens up the possibility of using it as the major epoxy matrix constituent rather than just as a filler material. In this work, the formation of GO-xy (cross-linked GO via the epoxide functionality) resin is reported by reaction of GO with polymercaptan-based hardener by completely eliminating the need for conventional epoxy component. Substituting epoxy with GO marks notable advance in preparing adhesive materials with high temperature stability.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Depositing User: Id for Latest eprints
Date Deposited: 02 Mar 2018 15:06
Last Modified: 02 Mar 2018 15:06
URI: http://eprints.iisc.ac.in/id/eprint/58909

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