Synthesis and Characterization of Poly(dimethylsilylene ethynylenephenyleneethynylene) Terminated with Phenylacetylene
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- Wang, F., Zhang, J., Huang, J. et al. Polym. Bull. (2006) 56: 19. doi:10.1007/s00289-005-0464-4
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A novel easily processable resin, poly(dimethylsilylene ethynylenephenyleneethynylene) [-Si(CH3)2-C≡C-C6H4-C≡C-]n terminated with phenylacetylene, was developed. And the properties of the resulting resin were investigated. The resin was a viscous liquid and soluble in a variety of solvents. The cured resin showed high heat-resistant stability and high char yield. The cured resin was sintered at 1450 °C and obtained sintered product was analyzed by FTIR, SEM and X-ray diffraction techniques and the results showed β-SiC were formed in the product.