Characterization of Polyurethane/Montmorillonite Nanocomposites: Morphology and Thermodynamics

被引：5
作者：
Sun, Ce [1 ]
Wang, Zanru [1 ]
Wang, Qiong [3 ]
Cao, Jun [1 ,2 ]
Li, Wenlong [1 ]
Tan, Haiyan [1 ]
Zhang, Yanhua [1 ,2 ]
机构：
[1] Northeast Forestry Univ, Key Lab Biobased Mat Sci & Technol, Minist Educ, Harbin 150040, Peoples R China
[2] Northeast Forestry Univ, Postdoctoral Res Stn Mech Engn, Harbin 150040, Peoples R China
[3] Wenzhou Polytech, Wenzhou 325000, Peoples R China
来源：
JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2021年 / 29卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Polyurethane; Montmorillonite; X-ray photoelectron spectroscopy; Electron microscopy; Dynamic mechanical analysis; HYBRID NANOCOMPOSITES;
D O I：
10.1007/s10924-020-01956-9
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this work, a series of polyurethane/montmorillonite (PU/MMT) nanocomposite films were prepared by in-situ polymerization method. The effect of MMT contents on the properties of the films was investigated using various test methods. MMT enhanced the thermal stability of the films, and the glass transition temperature of PU/MMT films was increased because MMT limited the movement of molecular chains of PU. MMT was well-dispersed in the nanocomposites because the agglomeration of MMT was inhibited by mechanical force. Especially in the PU/4% MMT nanocomposite, MMT showed the best dispersibility. This study showed that the addition of MMT effectively improved the properties of the PU/MMT nanocomposite films.
引用
收藏
页码：1460 / 1466
页数：7
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