The use of modified graphene Nano plates to increase the thermal properties of epoxy resin adhesives

Articles in Press

Document Type : Original Article

Authors

1 Department of Industrial Chemistry, Faculty of Chamran, Guilan Branch,Technical and Vocational university (TVU), Guilan, Iran.

2 Polymer and petrochemical Institute, Polymer processing department,, Tehran, Iran.

10.48301/kssa.2023.382538.2441

Abstract

Today, with the expansion of industries, the need to use industrial adhesives that can create new properties in the final sample while solving problems is felt more and more. Epoxy resins have the ability to be compatible with all kinds of Nano fillers due to their extraordinary properties in addition to providing proper thermal and mechanical resistance. In this research, after preparing graphene oxide (GO) by Hammers method and modifying it with the 1,'1-(hexane-1,6-diyl) bis(3-(3-(trimethoxysilyl)propyl)urea) silane modifier (HDBTMSPU), FGO was obtained. After the preparation of FGO, graphene xerogel (GX) was prepared by sol-gel reaction of FGO Nano plate with tetraethyl ortho silica (TEOS) and HDBTMSPU. Epoxy resin was chemically modified by oligomer TEOS and (3-isocyanatopropyl) triethoxysilane (IPTEOS) and the resulting new resins are named TE and IE respectively. GX/epoxy(EGX) nanocomposite and also silica/graphene/epoxy Nano hybrid were prepared using TEOS, FGO and two types of TE and IE resins (TEGX, IEGX) through sol-gel reaction and their thermal properties were evaluated with EGX nanocomposite. The results of FTIR, XPS and TGA tests showed that graphene and epoxy resin were successfully chemically modified. The structure of GX was investigated by Raman, XRD, SEM and TEM tests.

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Karafan Quarterly Scientific Journal

Articles in Press, Accepted Manuscript
Available Online from 28 August 2023

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History

  • Receive Date: 29 April 2023
  • Revise Date: 19 June 2023
  • Accept Date: 13 August 2023

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