UIO-66 as Nucleating Agent on the Crystallization Behavior and Properties of Poly(Ethylene Terephthalate)

被引：18
作者：
Yin, Yue [1 ]
Wang, Yuan [2 ]
Meng, Linghui [1 ]
机构：
[1] Harbin Inst Technol, Sch Chem & Chem Engn, Dept Polymer Mat & Engn, Harbin 150001, Peoples R China
[2] Tsinghua Univ, Sch Architecture, Beijing Key Lab Indoor Air Qual Evaluat & Control, Dept Bldg Sci, Beijing 100084, Peoples R China
来源：
POLYMERS | 2021年 / 13卷 / 14期
关键词：
polyethylene terephthalate; crystallization; nucleating agent; MOFs; PET; COMPOSITE; KINETICS; NANOCOMPOSITES; TEREPHTHALATE; PERFORMANCE; SALTS; ACID;
D O I：
10.3390/polym13142266
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study, not only was the similar terephthalate structure between UIO-66 and PET utilized to improve compatibility, but the Zr4+ exposed by defects of UIO-66 was also utilized to improve the interaction between PET and UIO-66. Furthermore, PET nanocomposites with different contents of UIO-66 were also fabricated. Due to the high specific surface area and coordination of Zr4+, UIO-66 has high nucleation efficiency in the PET matrix. Compared with pure PET, the crystallization rate of PET/UIO-66 nanocomposite is significantly increased, and the crystallization temperature of PET-UIO66-1 is significantly increased from 194.3 degrees C to 211.6 degrees C. In addition, the tensile strength of nanocomposites has also been improved due to coordination.
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页数：13
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