摘要
用DSC法研究了聚对苯二甲酸乙二酯(PET)与热致液晶性聚合物(OHO-6)的共混物的结晶动力学,并用Avrami方程进行了处理。用X射线衍射法和热分析法测定了共混体系的结晶度,对共混物中OHO-6含量对不同温区PET结晶速度的影响提出了解释。
The blends of PET and a thermotropic LC polyester wereprepared in a melt screw extruder.The non-isothermal and isothermalcrystallization kinetics of the blends have been studied by DSC.Thecrystallization rates of PET in the blends are much higher than thatof pure PET,both in low and high crystallization temperature region.The erystallization kinetics followed the Avrami equation in a prettywide temperatare range.The crystallinities of PET in the blends havebeen measured by means of WAXS and DSC.
出处
《湘潭大学自然科学学报》
CAS
CSCD
1992年第4期83-89,共7页
Natural Science Journal of Xiangtan University
关键词
PET
共混
成核作用
液晶
高聚物
polyethylene terephthalate(PET)
thermotropic liquid crystalline polymer(LCP)
blend
nucleation
