期刊
PROGRESS IN ORGANIC COATINGS
卷 72, 期 3, 页码 402-409出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2011.05.013
关键词
Nanocomposites; Polymers; Polymer-matrix composites (PMCs); Mechanical properties; Thermal properties
资金
- Council for Scientific and Industrial Research (CSIR, India) [2333/PD6/2008]
- Department of Science and Technology (DST, India) [SR/S1/PC-11/2006]
A study was made in the present investigation on the development and characterization of 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) based phosphorus tetraglycidyl epoxy nanocomposites and to find its suitability for use in aerospace and high performance applications. Phosphorus-containing diamine (DOPO-NH2) was synthesized from 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and 4,4'-diaminobenzophenone (DABP), and this is utilized for the preparation of DOPO based phosphorus containing tetraglycidyl epoxy denoted as 'D'. The synthesized resin was characterized by Fourier transform infrared spectra (FT-IR) and H-1, C-13 nuclear magnetic resonance (NMR) spectra. Nanoclay and polyhedral oligomeric silsesquioxane (POSS)-amine nano-reinforcements denoted as N1 and N2 were incorporated into the synthesized epoxy resin. Curing was done with diaminodiphenylmethane (DDM) and bis(3-aminophenyl) phenylphosphine oxide (BAPPO) curing agents denoted as X and Y respectively. Mechanical, thermal, flame retardant, water absorption behaviour and electrical properties of the epoxy nanocomposites were studied and the results are discussed. (C) 2011 Elsevier B.V. All rights reserved.
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