This paper reports preliminary results of the crystallization and the thermal degradationbChavior of high viscosity polypbenylene sulfide ( PPS ) of the sulfur method by thermoanalysis.

• 用热分析法对硫磺法合成的高粘度聚苯硫醚（PPS）的结晶行为和热裂解行为进行了初步探讨，并与硫化钠法PPS进行了对比。