Engineering MXene surface with POSS for reducing fire hazards of polystyrene with enhanced thermal stability
Article
Article Title | Engineering MXene surface with POSS for reducing fire hazards of polystyrene with enhanced thermal stability |
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ERA Journal ID | 4682 |
Article Category | Article |
Authors | Yu, Bin (Author), Yuen, Anthony Chun Yin (Author), Xu, Xiaodong (Author), Zhang, Zhen-Cheng (Author), Yang, Wei (Author), Lu, Hongdian (Author), Fei, Bin (Author), Yeoh, Guan Heng (Author), Song, Pingan (Author) and Wang, Hao (Author) |
Journal Title | Journal of Hazardous Materials |
Journal Citation | 401, pp. 1-13 |
Article Number | 123342 |
Number of Pages | 13 |
Year | 2021 |
Publisher | Elsevier |
Place of Publication | Netherlands |
ISSN | 0304-3894 |
1873-3336 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jhazmat.2020.123342 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0304389420313315 |
Abstract | High-performance MXene-based polymer nanocomposites are highly desirable for diverse industry applications due to their exceptional mechanical, thermal and other properties. Nevertheless, it remains an intractable challenge to create flame retardant polymer/MXene nanocomposites due to the difficulty to achieve uniform dispersion of MXenes. Here, we reported a facile strategy for the surface manipulation of two-dimensional titanium carbide nanosheets (Ti3C2Tx) with 3-aminopropylheptaisobutyl-polyhedral oligomeric silsesquioxane (AP-POSS) (POSS-Ti3C2Tx) through electrostatic interactions. The POSS-Ti3C2Tx is steadily dispersed in many polar solvents. Upon incorporated into polystyrene (PS), the combined effect of AP-POSS and MXene makes the resultant PS nanocomposites exhibit significantly improved thermal and thermoxidative stability, e.g. 22 °C and 39 °C increases in the temperature at 5 wt% mass loss under nitrogen and air, respectively. Meanwhile, a 39.1 % reduction in the peak heat release rate, a respective 54.4 % and 35.6 % reduction in the peak CO production rate and the peak CO2 production rate was achieved, which are superior to those of its own and previous counterparts. This outstanding fire safety is attributed to the combination of adsorption, catalytic and barrier effects of POSS-Ti3C2Tx. Hence, as-designed functionalized MXenes can be effectively applied in PS to formulate multifunctional polymer nanocomposites attractive for wide potential applications. |
Keywords | MXene; Polyhedral oligomeric silsesquioxane; Surface manipulation; Polystyrene; Thermal stability; Fire safety |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401605. Functional materials |
401602. Composite and hybrid materials | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Centre for Future Materials |
University of New South Wales | |
Zhejiang A & F University, China | |
Hefei University, China | |
Hong Kong Polytechnic University, China | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q6vq4/engineering-mxene-surface-with-poss-for-reducing-fire-hazards-of-polystyrene-with-enhanced-thermal-stability
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