Abstract
ABSTRACTHerein, reporting a simple, sustainable, and cost‐effective chemical synthesis of a star‐shaped silicon‐containing arylacetylene (SSA) resin via a one‐pot process using zinc powder as a catalyst. The as‐prepared viscous liquid resins exhibited moderate rheological behavior. The thermal curing temperature was determined to be 203 °C using differential scanning calorimetry, which is much lower than that reported for polyimide and phthalonitrile (>300 °C), indicating the SSA resins are suitable for processing at a lower temperature. Thermogravimetric analysis also revealed the excellent thermal stability and extremely high carbon residue of the cured SSA resin (the temperature at 5% mass loss and residual yield at 800 °C under N2 were 654 °C and 93%, respectively). The results showed the excellent processability and thermal stability of SSA resin. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48248.
Published Version
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