Abstract

The boron-containing phenolic resin/high-silica fiberglass fabric ceramifying composites were prepared using muscovite micas loaded boron-containing phenolic resin (BPF) as matrix, high-silica fiberglass fabric as reinforcements. The boron-containing phenolic resin (BPF) reacted with the muscovite to form ceramic residue after thermal pyrolysis under high temperature. X-Ray Diffraction (XRD) analysis of the composites at different temperatures showed the formation of new crystalline phases as a result of reactions between the degradation residue of BPF and the muscovite. Electron probe micro-analyzer (EPMA) was used to explore the changes in microstructure and local micro-chemical composition after samples were pyrolyzed under high temperatures. The ceramic yield of the composites ranged from 84.39% to 75.23% when pyrolyzed 700 to 1300°C in air.

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