Wool powder: An efficient additive to improve mechanical and thermal properties of poly(propylene carbonate)

被引:21
|
作者
Chang, Haibo [1 ]
Li, Qingshuo [1 ]
Xu, Chaojiang [1 ]
Li, Runming [1 ]
Wang, Hongxia [2 ]
Bu, Zhanwei [1 ]
Lin, Tong [2 ]
机构
[1] Henan Univ, Coll Chem & Chem Engn, Inst Funct Polymer Composites, Kaifeng 475004, Peoples R China
[2] Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia
基金
中国国家自然科学基金;
关键词
Poly(propylene carbonate); Wool powder; Thermal properties; Mechanical properties; Interfacial interaction; TEMPERATURE; DIOXIDE; ACID;
D O I
10.1016/j.compscitech.2017.10.012
中图分类号
TB33 [复合材料];
学科分类号
摘要
The synthesis of poly(propylene carbonate) (PPC) consumes carbon dioxide, which forms a promising route to fix greenhouse gas. Developing the applications of PPC could enhance the recycle of carbon dioxide. However, PPC typically has low mechanical strength and thermal stability, and its glass transition temperature (Tg) is low as well, which restrict its use in practice. In this study, we have for the first time found that wool powder (WP) can be an efficient additive to modify PPC. By adding just 2.0wt% wool powder (WP) to PPC, the mechanical properties, glass transition temperature, and thermal decomposition temperature can be improved significantly. PPC containing 2.0wt% WP shows comparable tensile properties to commonly-used polymers such as poly(butylene succinate), polypropylene and high-density polyethylene. We further showed that PPC can form strong interfacial interaction with WP, responsible for the improvement in PPC mechanical properties. Addition of wool powder may offer a promising way to boost the applications of PPC. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:119 / 127
页数:9
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