A low melting organic-inorganic glass and its effect on flame retardancy of clay/epoxy composites

被引：26
|
作者：
Yu, Dan [1 ,3 ]
Kleemeier, Malte [1 ]
Wu, Guang Mei [2 ]
Schartel, Bernhard [2 ]
Liu, Wei Qu [3 ]
Hartwig, Andreas [1 ]
机构：
[1] Fraunhofer Inst Mfg Technol & Adv Mat, D-28359 Bremen, Germany
[2] BAM Fed Inst Mat Res & Testing, D-12205 Berlin, Germany
[3] Chinese Acad Sci, Guangzhou Inst Chem, Guangzhou 510650, Guangdong, Peoples R China
来源：
POLYMER | 2011年 / 52卷 / 10期
关键词：
Low-melting glass; Clay; Epoxy resin; LAYERED SILICATE NANOCOMPOSITES; COMBUSTION BEHAVIOR; POLYMER NANOCOMPOSITES; CLAY NANOCOMPOSITES; FIRE RETARDANCY; EPOXY-RESINS; FLAMMABILITY; TEMPERATURE; AMMONIUM; POSS;
D O I：
10.1016/j.polymer.2011.03.033
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
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.
引用
收藏
页码：2120 / 2131
页数：12
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