Issue 47, 2015

Fabrication of novel wave-transparent HMPBO fibre/BADCy laminated composites

Abstract

The method of “impregnation–winding–lamination–mould pressing” was performed to fabricate novel wave-transparent high modulus poly(p-phenylene-2,6-benzobisoxazole) fibre/bisphenol A cyanate ester resin (HMPBO fibre/BADCy) laminated composites. The “two-step approach” of methanesulfonic acid/γ-glycidoxy propyl trimethoxy silane (MSA/KH-560) was also proposed to functionalize the HMPBO fibres’ surface. Results revealed that KH-560 was grafted on the HMPBO fibres’ surface successfully. The functionalized HMPBO fibre/BADCy laminated composites possessed better ILSS & flexural strength, lower ε & tan δ, and higher heat-resistance index & Tg. The ILSS and flexural strength of the functionalized HMPBO/BADCy laminated composites were increased to 53.7 MPa and 753.7 MPa, respectively. The corresponding ε and tan δ were decreased to 2.93 and 0.00097, respectively. The corresponding heat-resistance index and Tg were increased to 219 °C and 236 °C, respectively. The functionalized HMPBO fibre/BADCy laminated composites display potential application in radomes and the antenna systems of aircrafts.

Graphical abstract: Fabrication of novel wave-transparent HMPBO fibre/BADCy laminated composites

Article information

Article type
Paper
Submitted
10 Feb 2015
Accepted
08 Apr 2015
First published
08 Apr 2015

RSC Adv., 2015,5, 37768-37773

Author version available

Fabrication of novel wave-transparent HMPBO fibre/BADCy laminated composites

J. Gu, S. Xu, Y. Tang, Z. Lv, C. Liang and X. Meng, RSC Adv., 2015, 5, 37768 DOI: 10.1039/C5RA02639C

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