期刊
COMPOSITES SCIENCE AND TECHNOLOGY
卷 168, 期 -, 页码 404-411出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2018.10.026
关键词
MXenes; Polyurethane; Emulsion; Nanocomposites
资金
- National Natural Science Foundation of China [21503110]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX17-0981]
In this work, an emulsion method is applied to fill two-dimensional MXenes into polyurethanes (PUs). It shows that the addition of 0.5 wt% MXenes increase the yield stress, tensile strength and hardness of PUs by similar to 70%, similar to 20% and similar to 13%, respectively. The mechanical enhancement is associated with the increase of hardness and reduction of water absorption. Morphologic study shows that a good dispersion of MXenes is achieved, in which ball milling is a key step for ensuring a stability of MXene-filled PU emulsions. Furthermore, FTIR analysis reveals the strong interaction between MXenes and PUs at molecular level.
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