, Volume 56, Issue 1, pp 19-26
Date: 09 Nov 2005

Synthesis and Characterization of Poly(dimethylsilylene ethynylenephenyleneethynylene) Terminated with Phenylacetylene

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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.