Interfacial Microstructure and Enhanced Mechanical Properties of Carbon Fiber Composites Caused by Growing Generation 1-4 Dendritic Poly(amidoamine) on a Fiber Surface

In an attempt to improve the mechanical properties of carbon fiber composites, propagation of poly(amidoamine) (PAMAM) dendrimers by in situ polymerization on a carbon fiber surface was performed. During polymerization processes, PAMAM was grafted on carbon fiber by repeated Michael addition and ami...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 32(2016), 33 vom: 23. Aug., Seite 8339-49
1. Verfasser: Gao, Bo (VerfasserIn)
Weitere Verfasser: Zhang, Ruliang, Gao, Fucheng, He, Maoshuai, Wang, Chengguo, Liu, Lei, Zhao, Lifen, Cui, Hongzhi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a In an attempt to improve the mechanical properties of carbon fiber composites, propagation of poly(amidoamine) (PAMAM) dendrimers by in situ polymerization on a carbon fiber surface was performed. During polymerization processes, PAMAM was grafted on carbon fiber by repeated Michael addition and amidation reactions. The changes in surface microstructure and the chemical composition of carbon fibers before and after modification were investigated by atomic force microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. All the results indicated that PAMAM was successfully grown on the carbon fiber surface. Such propagation could significantly increase the surface roughness and introduce sufficient polar groups onto the carbon fiber surface, enhancing the surface wettability of carbon fiber. The fractured surface of carbon fiber-reinforced composites showed a great enhancement of interfacial adhesion. Compared with those of desized fiber composites, the interlaminar shear strength and interfacial shear strength of PAMAM/fiber-reinforced composites showed increases of 55.49 and 110.94%, respectively 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Zhang, Ruliang  |e verfasserin  |4 aut 
700 1 |a Gao, Fucheng  |e verfasserin  |4 aut 
700 1 |a He, Maoshuai  |e verfasserin  |4 aut 
700 1 |a Wang, Chengguo  |e verfasserin  |4 aut 
700 1 |a Liu, Lei  |e verfasserin  |4 aut 
700 1 |a Zhao, Lifen  |e verfasserin  |4 aut 
700 1 |a Cui, Hongzhi  |e verfasserin  |4 aut 
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