摘要
选用综合热分析仪对两种聚苯硫醚树脂原粉(PPS-I与PPS-II)进行热性能对比分析研究。研究结果发现,在惰性气氛中,两种聚苯硫醚树脂的失重率都随升温速率增加而下降,但最大失重率不超过49.67%。同时,两种聚苯硫醚树脂热分解的起始点温度、拐点温度和终止点温度均呈上升趋势。同种聚苯硫醚树脂的最大失重速率随升温速率变化较小,不同种聚苯硫醚树脂的最大失重速率随熔体流动速率的增大而增加,熔体流动速率较大的树脂,其熔点远低于熔体流动速率较小的树脂。
The thermal properties of two types of PPS resin powders (PPS-I and PPS-II) were comparatively studied by comprehensive thermal analyzer. The results show that both of the weight loss rate of PPS-I and PPS-II are decreasing with the increase of heating rate, moreover, the maximum weight loss rate shall not exceed 49.67%. The thermal decomposition starting point temperature, inflec-tion point temperature and termination point temperature of the two types PPS are all raising with heating rate increasing. Although the maximum weight loss rate of the same type PPS has little change with the heating rate, the maximum weight loss rate of different type PPS is increased with the increase of melt flow rate. Meanwhile, the melting point of resin with high melt flow rate is much lower than that of resin with low melt flow rate.
出处
《材料科学》
CAS
2020年第7期532-539,共8页
Material Sciences
关键词
聚苯硫醚树脂
综合热分析仪
失重率
热性能
Polyphenylene Sulfide Resin
Comprehensive Thermal Analyzer
Weight Loss Rate
Thermal Properties
