Abstract
A novel kind of resin poly(diethynylbenzene-siloxane) was synthesized. The resin was easily processable at room temperature and thermally polymerized above 180 °C to form a heat-resistant thermoset. The progress and the nature of polymerization reaction were studied by Fourier transform Infrared spectrometry and differential scanning calorimetry. The conversion of the resin to a highly cross-linked thermoset was discussed. The cross-linked resin exhibited high thermal stability. The sintered product of the crosslinked resin above 1450 °C was analyzed by X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectrometry.
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