期刊
POLYMER
卷 52, 期 10, 页码 2120-2131出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2011.03.033
关键词
Low-melting glass; Clay; Epoxy resin
资金
- Chinese Academy of Sciences
- German Research Foundation (DFG) [Ha 2420/6-1, Ha 2420/6-2, Scha 730/8-1, Scha 730/8-2]
A low-melting organic-inorganic glass with a high molecular weight soluble in solvents was synthesized by hydrolytic polycondensation of phenyltriethoxysilane followed by a subsequent heat treatment. Softening point and thermostability were strongly increased after heat treatment. The composites of glass/epoxy and glass/clay/epoxy were studied with respect to their thermal properties, fire behavior and mechanical properties. Heat release rate as measured by cone calorimetry was remarkably reduced in the presence of glass, relative to neat epoxy resin and polymer/clay composites. The combination of glass and clay is a promising approach. It showed mainly superposition and even synergistic effects in some fire properties for higher filler concentrations due to the formation of an enhanced barrier. The structure of residue was investigated by transmission electron microscopy (TEM). (C) 2011 Elsevier Ltd. All rights reserved.
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