Thermal properties and crystallization behavior of Poly(trimethylene terephthalate) copolymers containing isophthalic units

被引：12
作者：
Jia, Hong-bing
Xu, Yong [1 ]
Ye, Sheng-rong
Qian, Jin-wen
机构：
[1] Nanjing Univ Sci & Technol, Dept Polymer Sci & Engn, Nanjing 210094, Peoples R China
[2] Zhejiang Univ, Inst Polymer Sci, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2006年 / 41卷 / 15期
关键词：
KINETICS;
D O I：
10.1007/s10853-006-0136-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermal properties and crystallization behavior of copolyesters based on different molar ratios of polytrimethylene terepthalate to polytrimethylene isophthalate (PTI) were analyzed. Compositions of the polyesters were analyzed by C-NMR spectrometry and the samples were dissolved in a mixture of CDCl 3 /CF3COOD. Tetramethylsilane was used as an internal standard. Isothermal crystallization was carried out with a JJY-IA instrument. The effect of inclusion of isophthalate unit in the chain replacing the terephthalate unit was also found. Detailed studies of crystallization and melting behavior of PTTI copolyesters with an emphasis on their crystallization kinetic were also analyzed.
引用
收藏
页码：4970 / 4973
页数：4
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