Melting and Crystallization Properties of Crystalline/Crystalline Blends of Poly(Trimethylene Terephthalate) and Poly(Ethylene Terephthalate)

被引：1
|
作者：
Cai, Xue-Ming [1 ]
Li, Shi-Hong [2 ]
Jia, Pan-jin [1 ]
Run, Ming-Tao [1 ]
机构：
[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China
[2] Hebei Univ, Ind & Commercial Coll, Baoding 071002, Peoples R China
来源：
MATERIALS SCIENCE AND PROCESSING, ENVIRONMENTAL ENGINEERING AND INFORMATION TECHNOLOGIES | 2014年 / 665卷
关键词：
Poly(trimethylene terephthalate); poly(ethylene terephthalate); Melting; Crystallization; DSC; COPOLYMER;
D O I：
10.4028/www.scientific.net/AMM.665.331
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Poly(ethylene terephthalate)/poly(trimethylene terephthalate) (PET/PTT) blends were prepared and their melting and crystallization properties were investigated by differential scanning calorimetry (DSC). The glass transition temperatures suggest apparently that PET and PTT have good miscibility at amorphous state. The blends with more PET content less likely undergo a melting/recrystallization process during DSC heating scan. In the blends, PET component with higher supercooling degree will crystallize first, and then the crystallites of PET will be the nucleating agents for PTT, which greatly improves the crystallization rate of PTT.
引用
收藏
页码：331 / 334
页数：4
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