Development of dimethylsiloxane based tetraglycidyl epoxy nanocomposites for high performance, aerospace and advanced engineering applications

作者：Meenakshi K Shree^*; Sudhan E Pradeep Jaya; Kumar S Ananda; Umapathy M J

来源：Progress in Organic Coatings, 2012, 74(1): 19-24.

DOI：10.1016/j.porgcoat.2011.09.015

• Epoxy resin
• Thermal stability
• Flame retardancy
• Limiting oxygen index
• Mechanical properties

A study was made in the present investigation on bis(p-aminophenoxy) dimethylsiloxane based tetraglycidyl epoxy nanocomposites in order to determine its suitability for use in high performance applications. The synthesis of the siloxane tetraglycidyl epoxy resin denoted as 'F' was done and it was characterized by Fourier transform infrared spectra (FT-IR) and H-1, C-13 nuclear magnetic resonance (NMR) spectra. Nanoclay and polyhedral oligomeric silsesquioxanes (POSS)-amine nanoreinforcements denoted as N1 and N2 were incorporated into the synthesized epoxy resin. Curing was done with diaminodiphenyl-methane (DDM) and bis(3-aminophenyl) phenylphosphine oxide (BAPPO) curing agents denoted as X and Y respectively. The mechanical, thermal, flame retardant and water absorption behavior of the epoxy nanocomposites were studied and the results are discussed.

• 出版日期2012-5