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Epoxy-functionalized polyhedral oligomeric silsesquioxane/cyanate ester resin organic–inorganic hybrids with enhanced mechanical and thermal properties, Polymer International, 2014, 63(3):552-559
全文链接：http://onlinelibrary.wiley.com/doi/10.1002/pi.4557/abstract

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Epoxy-functionalized polyhedral oligomeric silsesquioxane/cyanate ester resin organic-inorganic hybrids with enhanced mechanical and thermal properties
作者:Zhang, ZP (Zhang, Zengping)[ 1 ] ; Liang, GZ (Liang, Guozheng)[ 2 ] ; Wang, XL (Wang, Xiaolei)[ 3 ]
POLYMER INTERNATIONAL
卷: 63 期: 3 页: 552-559
DOI: 10.1002/pi.4557
出版年: MAR 2014
查看期刊信息
摘要
A series of cyanate ester resin (CE) based organic-inorganic hybrids containing different contents (0, 5, 10, 15 and 20 wt%) of epoxy-functionalized polyhedral oligomeric silsesquioxane (POSS-Ep) were prepared by casting and curing. The hybrid resin systems were studied by the gel time test to evaluate the effect of POSS-Ep on the curing reactivity of CE. The impact and flexural strengths of the hybrids were investigated. The micromorphological, dynamic mechanical and thermal properties of the hybrids were studied by SEM, dynamic mechanical analysis (DMA) and TGA, respectively. Results showed that POSS-Ep prolonged the gel time of CE. CE10 containing 10 wt% POSS-Ep displayed not only the optimum impact strength but the optimum flexural strength. SEM results revealed that the improvement of mechanical properties was attributed to the large amount of tough whirls and fiber-like pull-outs observed on the fracture surfaces of CE10. DMA results indicated that POSS-CE tended to decrease E of the hybrids in the glassy state but to increase E of the hybrids in the rubbery state. TGA results showed that CE10 also possesses the best thermal stability. The initial temperature of decomposition (T-i) of CE10 is 426 degrees C, 44 degrees C higher than that of pristine CE. (c) 2013 Society of Chemical Industry
关键词
作者关键词:polyhedral oligomeric silsesquioxane (POSS); cyanate ester resin; hybrid materials; mechanical properties
KeyWords Plus:CYANATE; NANOCOMPOSITES; POSS; POLYMERIZATION; COMPOSITES; MORPHOLOGY; RUBBERS; BLENDS
作者信息
通讯作者地址: Zhang, ZP (通讯作者)
Changan Univ, Minist Educ, Key Lab Special Area Highway Engn, Xian 710064, Shaanxi, Peoples R China.
地址:
[ 1 ] Changan Univ, Minist Educ, Key Lab Special Area Highway Engn, Xian 710064, Shaanxi, Peoples R China
[ 2 ] Soochow Univ, Mat Engn Inst, Dept Polymer Engn, Suzhou 215021, Jiangsu, Peoples R China
[ 3 ] Sun Yat Sen Univ, Inst Dongguan, Dongguan 523808, Guangdong, Peoples R China
电子邮件地址:zhangzp99@yahoo.com.cn
基金资助致谢
基金资助机构授权号
National Natural Science Foundation of China (NSFC)
51208043
China Postdoctoral Science Foundation
Special Fund for Basic Scientific Research of Central Colleges
201003661
Basic Research Support Project of Chang'an University
CHD2012JC025
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出版商
WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
类别 / 分类
研究方向

olymer Science
Web of Science 类别

olymer Science
文献信息
文献类型:Article
语种:English
入藏号: WOS:000331263200023
ISSN: 0959-8103
电子 ISSN: 1097-0126
期刊信息
目录： Current Contents Connect®
Impact Factor (影响因子): Journal Citation Reports®
其他信息
IDS 号: AA7FP
Web of Science 核心合集中的 "引用的参考文献": 39
Web of Science 核心合集中的 "被引频次": 0