Ti3C2T
x MXene对聚2,5-呋喃二甲酸乙二醇酯的催化成核作用研究Catalytic and Nucleation Study of Ti3C2T
x MXene on Furanic Polyesters- 高分子通报 2024年37卷第3期 页码：377-384
- 作者机构：
中国科学院宁波材料技术与工程研究所，宁波 315201
- 作者简介：
*赵伟伟，E-mail: zhaoweiwei@nimte.ac.cn；刘小青，E-mail: liuxq@nimte.ac.cn
- 基金信息：国家重点研发计划(2021YFB3700300);国家自然科学基金面上项目(52373016)
DOI：10.14028/j.cnki.1003-3726.2024.23.249
中图分类号：收稿：2023-08-17，
录用：2023-10-08，
纸质出版：2024-03-20
- 稿件说明：
移动端阅览
费璇, 江艳华, 王英杰, 卢光明, 赵伟伟, 刘小青. Ti3C2T
x MXene对聚2,5-呋喃二甲酸乙二醇酯的催化成核作用研究. 高分子通报, 2024, 37(3), 377–384Fei, X.; Jiang, Y. H.; Wang, Y. J.; Lu, G. M.; Zhao, W. W.; Liu, X. Q. Catalytic and nucleation study of Ti3C2T
x MXene on furanic polyesters. Polym. Bull. (in Chinese), 2024, 37(3), 377–384费璇, 江艳华, 王英杰, 卢光明, 赵伟伟, 刘小青. Ti3C2T
x MXene对聚2,5-呋喃二甲酸乙二醇酯的催化成核作用研究. 高分子通报, 2024, 37(3), 377–384 DOI： 10.14028/j.cnki.1003-3726.2024.23.249.Fei, X.; Jiang, Y. H.; Wang, Y. J.; Lu, G. M.; Zhao, W. W.; Liu, X. Q. Catalytic and nucleation study of Ti3C2T
x MXene on furanic polyesters. Polym. Bull. (in Chinese), 2024, 37(3), 377–384 DOI： 10.14028/j.cnki.1003-3726.2024.23.249.
摘要
长期以来，聚酯催化剂主要为锑系化合物，存在潜在的重金属污染风险。为开发一种高效环保的聚酯缩聚催化剂，本工作首先对新型二维材料Ti
3
C
2
T
x
MXene与代表性锑系催化剂Sb
2
O
3
进行催化对比研究。结果发现，Ti
3
C
2
T
x
MXene对聚2
5-呋喃二甲酸乙二醇酯(PEF)有显著的缩聚催化活性，所得PEF特性黏度可以达到0.74 dL/g。其次，使用差示扫描量热仪(DSC)对两种催化剂制备的PEF聚酯进行热性能与结晶动力学研究，确认了具有异质纳米片结构的Ti
3
C
2
T
x
MXene可以作为成核剂提升PEF的结晶速率。最后，机械性能研究表明，催化剂种类不影响PEF的拉伸模量与拉伸强度，进一步表明Ti
3
C
2
T
x
MXene与PEF的相容性较好。综上，本工作表明Ti
3
C
2
T
x
MXene是PEF的高效催化/成核剂。
Abstract
Polyester catalysts are mainly antimony-based compounds for a long time
which have potential heavy-metal hazards. To develop an efficient and environmentally friendly polycondensation catalyst
firstly
a comparative catalytic study of the novel two-dimensional material Ti
3
C
2
T
x
MXene and the representative antimony-based catalyst Sb
2
O
3
was conducted. The results showed that Ti
3
C
2
T
x
MXene exhibited significant catalytic activity for the condensation of polyethylene 2
5-furandicarboxylate (PEF) with intrinsic viscosity up to 0.74 dL/g. Secondly
the thermal properties and crystallization kinetics of PEF prepared by both catalysts were investigated using differential scanning calorimetry (DSC). Ti
3
C
2
T
x
MXene with the heterogeneous nanosheet structure was confirmed as a nucleating agent to enhance the crystallization rate of PEF. Finally
the mechan
ical investigation showed that the catalyst type did not affect the mechanical properties of PEF
indicating the good compatibility of Ti
3
C
2
T
x
MXene with PEF. In summary
this work showed that Ti
3
C
2
T
x
MXene is an efficient catalyst/nucleating agent for PEF.
关键词
Keywords
references
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