Chemical Resistance, Void Contents, and Morphological Properties of Hildegardia Fabric/Polycarbonate-Toughened Epoxy Composites
作者： B. R. Guduri , A. V. Rajulu , A. S. Luyt
DOI: 10.1002/APP.26984
关键词: Natural fiber 、 Composite material 、 Hildegardia populifolia 、 Polycarbonate 、 Void (composites) 、 Materials science 、 Chemical resistance 、 Epoxy 、 Hildegardia 、 Silane
摘要: A uniaxial natural fabric of Hildegardia pop- ulifolia was used as a reinforcement for polycarbonate- toughened epoxy. The treated with 5% sodium hydroxide solution 1 h. spray-coated 1% silane-based coupling agent. variation the chemical resistance and void content different contents fiber orientations studied. morphology fractured composites investi- gated scanning electron microscopy (SEM). SEM micrographs indicate that bonding between Hilde- gardia matrix enhanced partially by alkali treatment. treatment in presence silane agent gave rise to skin formation on surface fibers, which indicated good matrix. Hildegardia/poly- carbonate-toughened epoxy were found have reasonable water resistance. liquid absorption increased when an alkali, used, pres- ence aqueous solutions. decreased increasing con- tent. 2007 Wiley Periodicals, Inc. J Appl Polym Sci 106: 3945- 3951,
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