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Epoxy-functionalized polyhedral oligomeric silsesquioxane/cyanate ester resin organic¨Cinorganic hybrids with enhanced mechanical and thermal properties, Polymer International, 2014, 63(3):552-559
È«ÎÄÁ´½Ó£ºhttp://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
×÷Õß:Zhang, ZP (Zhang, Zengping)[ 1 ] ; Liang, GZ (Liang, Guozheng)[ 2 ] ; Wang, XL (Wang, Xiaolei)[ 3 ]
POLYMER INTERNATIONAL
¾í: 63  ÆÚ: 3  Ò³: 552-559
DOI: 10.1002/pi.4557
³ö°æÄê: MAR 2014
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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
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×÷Õ߹ؼü´Ê:polyhedral oligomeric silsesquioxane (POSS); cyanate ester resin; hybrid materials; mechanical properties
KeyWords Plus:CYANATE; NANOCOMPOSITES; POSS; POLYMERIZATION; COMPOSITES; MORPHOLOGY; RUBBERS; BLENDS
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ͨѶ×÷ÕßµØÖ·: Zhang, ZP (ͨѶ×÷Õß)
        Changan Univ, Minist Educ, Key Lab Special Area Highway Engn, Xian 710064, Shaanxi, Peoples R China.
µØÖ·:
        [ 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
µç×ÓÓʼþµØÖ·:zhangzp99@yahoo.com.cn
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»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
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
²é¿´»ù½ð×ÊÖúÐÅÏ¢   
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WILEY-BLACKWELL, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
Àà±ð / ·ÖÀà
Ñо¿·½Ïòolymer Science
Web of Science Àà±ðolymer Science
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ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000331263200023
ISSN: 0959-8103
µç×Ó ISSN: 1097-0126
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Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: AA7FP
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 39
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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