摘要
描述了酚酞型聚芳醚砜(PES-C)的次级松驰和转变与其结构的关系.TBA和动态力学实验结果表明:PES-C及其共聚物(PP/Bis-T)PES分别在0～50℃和-100℃附近呈现出两个次级松驰峰;双酚T单元的引入导致了PES-C在0～50℃之间的次级松驰位置改变.证实了Cardo侧基的存在对-100℃的次级松驰有较大的贡献.
The relations between the secondary relaxation and transition of poly (arylene ether sulfone) with Cardo and (PP/Bis-T) PES copolymers and their structure are described. Torsion braid analysis and dynamic mechanical measurement show that PES-C and its copolymers appear the secondary relaxation at 0~50℃(3. 5Hz) and - 100℃ (3. 5Hz) , separately. The molecular chain of PES-C with 4, 4'-thiodiphenol component results in the change of the secondary relaxation at 0-50℃. At the same time, the secondary relaxation at 100℃ is attributed to the movement of Cardo side group in polymer chain.
出处
《烟台师范学院学报（自然科学版）》
1992年第1期56-59,共4页
Yantai Teachers University journal(Natural Science Edition)
关键词
酚酞型
聚芳醚砜
次组松驰
转变
poly (arylene ehter sulfone) , copolymer, secondary relaxation and transition
