Thermal and Dynamic Mechanical Properties of GO/TLCP/PF Hybrid Composites

Chinese Journal of Materials Research

2013, Vol. 27

Issue (2): 163-166 DOI:

Research Articles

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Thermal and Dynamic Mechanical Properties of GO/TLCP/PF Hybrid Composites

XU Weihua WEI Chun^** LV Jian SU Le ZENG Sihua

(Guilin University of Technology, College of Material Science and Engineering, Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Ministry of Education, Guilin 541004)

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XU Weihua, WEI Chun, LV Jian, SU Le, ZENG Sihua. Thermal and Dynamic Mechanical Properties of GO/TLCP/PF Hybrid Composites. Chinese Journal of Materials Research, 2013, 27(2): 163-166.

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Abstract Thermotropic liquid crystal polymer (TLCP) and phenol formaldehyde (PF) firstly were prepared through melting extrusion methods, then Graphene oxide (GO) which synthesized by a modified Hummers method, GO which modified by silane coupling agent KH550 and KH560 were added to the matrix TLCP) and PF, respectively, the GO/TLCP/PF hybrid composites were prepared. The thermal properties, mechanical properties, dynamic mechanical thermal analysis, creep and stress relaxation behavior of GO/TLCP/PF hybrid composites were investigated. The results show that the properties of GO/TLCP/PF hybrid composites were obviously improved. The impact strength and the storage modulus of GO/TLCP/PF hybrid composites, GO modified by silane coupling agent KH560, are increased by 25.6% and 28.1%, respectively. Creep and stress relaxation performance has also been improved.

Key words: composites graphene oxide thermotropic liquid crystal polymer phenol formaldehyde silane coupling agent hybrid composites dynamic mechanical properties

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