Mechanism investigation of thermal degradation of CO2-based poly(cyclohexene carbonate caprolactone)

被引：6
|
作者：
Xu, Yonghang [1 ]
Zhang, Tao [1 ]
Zhou, Yiluan [1 ]
Zhou, Danmin [1 ]
Shen, Zixin [1 ]
Lin, Limiao [2 ]
机构：
[1] Foshan Univ, Sch Mat Sci & Energy Engn, Foshan 528000, Peoples R China
[2] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
POLYMER DEGRADATION AND STABILITY | 2019年 / 168卷
关键词：
Poly(cyclohexene carbonate caprolactone); Thermal degradation; Mechanism; TG/FTIR; Py-GC/MS; ONE-POT SYNTHESIS; PROPYLENE-OXIDE; CYCLOHEXENE OXIDE; ABA BLOCK; L-LACTIDE; ZINC; CO2; TERPOLYMERS; POLYMERIZATION; OXIDATION;
D O I：
10.1016/j.polymdegradstab.2019.108957
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The thermal degradation behaviors and mechanisms of CO2-based poly(cyclohexene carbonate caprolactone)s (PCHCCLs) were deeply studied taking advantage of thermogravimetric analysis/Fourier transform infrared spectrometry (TG/FTIR) and pyrolysis gas chromatography/mass spectrometry (Py-GC/MS) techniques. The experimental results indicate that the decomposition temperatures of PCHCCLs increase with the increasing contents of polycaprolactone (PCL) segments. Backbiting reaction was found to be the dominant degradation pathway for PCHCCLs, and a complicated random rupture process was also observed at higher pyrolysis temperature. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：7
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