本文报道了用相转移催化法合成双酚S型聚芳酯的实验结果,对聚合条件进行了讨论。结果表明,用季胺盐作相转移催化剂,在30℃下可以得到高分子量的产物。这种双酚S型聚芳酯具有较好的透明度,优异的电性能,甚至在150℃下,力学性能也很好。可见光透过率87％;室温屈服强度637kg/cm~2;T_8208℃;介电常数击;穿电3.6压150kV/mm。 This paper reports the experimental results of bisphenol S polyarylate synthesized by phase transfer catalysis, and discusses the polymerization conditions. The results show that the use of quaternary ammonium salt as a phase transfer catalyst at 30 ℃ can be obtained high molecular weight products. This bisphenol S type polyarylate has good transparency, excellent electrical properties and good mechanical properties even at 150 ° C. Visible light transmittance of 87%; room temperature yield strength 637kg / cm ~ 2; T_8208 ℃; dielectric constant impact;