초록 |
In this work, two thermal cationic latent catalysts, i.e., benzylquinoxalinium hexafluoroantimonate (BQH) and triphenyl benzyl phosphonium hexafluoroantimonate (TBPH) were synthesized. And, the volume change behaviors induced by cure reaction was investigated with the measurement of density of the cured specimens. Fourier transform infrared spectroscopy (FT-IR) was used to study the crosslinking density of the cured specimens. Also, the glass transition temperature (Tg) and thermal stability factors of the cured specimens were investigated by thermo-mechanical analyzer (TMA) and thermogravimetric analysis (TGA), respectively. |