期刊
APPLIED SURFACE SCIENCE
卷 602, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2022.154305
关键词
MXenes; Polymer composites; Fire safety; Toxic volatiles
类别
资金
- National Natural Science Foundation of China [52104197, 51874184]
- National Science Foundation for Post- doctoral Scientists of China [2021M691549]
- Jiangsu Provincial Double -Innovation Doctor Program [JSSCBS20210402]
- Key R & D programs (Social Development) in Jiangsu Province [BE2016771]
- Natural Science Foundation of the Jiangsu Higher Education Institutions [21KJB620001]
- State Key Laboratory of Fire Science (SKLFS) Program [HZ2022-KF04]
- Jiangsu Project Plan for Outstanding Talents Team in Six Research Fields [TD-XNYQC-002]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX22-1365]
- Key Natural Science Foundation in Jiangsu Province [18KJA620003]
By incorporating CMAMX nanostructure into bis-maleimide resin (BMI), the heat and toxicants emissions of BMI can be effectively reduced, while improving the mechanical properties of the material.
It is well-recognized that, the inferior fire safety has been the stumbling block for the extensive usages of bis-maleimide resin (BMI). Hence, a ternary hierarchical MXenes-based nanoarchitecture (CMAMX) is rationally engineered, towards suppressing the heat and toxicants emissions of BMI. By incorporating 2.0 wt% CMAMX, the marked reductions of 36.5%, 32.9%, 33.5%, 29.2% on peak heat release rate, total heat release, peak smoke production rate, total smoke production are observed. Moreover, the peak CO production rate and peak CO2 production rate are decreased by 40.0% and 54.0%. Additionally, TG-IR test offers evidences for the impeded releases of NO and HCN gases. These results strongly corroborate the strength of CMAMX in impairing the heat and toxicants generations of BMI. Interestingly, the improved mechanical properties are acquired after using CMAMX, deriving from the multiple hydrogen bond interactions and induced nanoconfinement effect. For instance, the tensile toughness is promoted by 50.7%. Briefly, this contribution may be encouraging for the engineering of MXenes-based nanostructure, towards constructing high-performance polymer composites.
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