Polyphosphoramide-intercalated MXene for simultaneously enhancing the thermal stability, flame retardancy and mechanical properties of polylactide
Article
Article Title | Polyphosphoramide-intercalated MXene for simultaneously enhancing the thermal stability, flame retardancy and mechanical properties of polylactide |
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ERA Journal ID | 3854 |
Article Category | Article |
Authors | Xue, Yijiao (Author), Feng, Jiabing (Author), Huo, Siqi (Author), Song, Pingan (Author), Yu, Bin (Author), Liu, Lei (Author) and Wang, Hao (Author) |
Journal Title | Chemical Engineering Journal |
Journal Citation | 397, pp. 1-11 |
Article Number | 125336 |
Number of Pages | 11 |
Year | 2020 |
Publisher | Elsevier |
Place of Publication | United Kingdom |
ISSN | 1385-8947 |
1873-3212 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.cej.2020.125336 |
Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S1385894720313280 |
Abstract | The creation of thermostable, flame-retardant, mechanically robust bioplastics is highly desirable in the industry as one sustainable alternative to traditional petroleum-based plastics. Unfortunately, to date there lacks an effective strategy to endow commercial bioplastics, such as polylactide (PLA) with such desired integrated performances. Herein, we have demonstrated the fabrication of a novel MXene-phenyl phosphonic diaminohexane (MXene-PPDA) nanohybrid via the intercalation of PPDA into the MXene interlayer. The interlayer spacing of MXene nanosheets is enlarged and as-prepared MXene-PPDA is homogeneously dispersed in the PLA matrix. Incorporating 1.0 wt% MXene-PPDA enables PLA to achieve a UL-94 V-0 rating, with a ~22.2% reduction in peak heat release rate, indicating a significantly improved flame retardancy. Meanwhile, the 1.0 wt% MXene-PPDA also increases the initial decomposition temperature of PLA composite, giving rise to a ~25-fold enhancement in char yield relative to pure PLA. Additionally, the MXene-PPDA enhances the toughness while retains the mechanical strength for PLA. This work offers an innovative strategy for the design of multifunctional additives and the creation of high-performance polymers with high thermal stability, mechanical robustness and low flammability, expecting to find many practical applications in the industry. |
Keywords | Polylactide; MXene; Polyphosphoramide; Flame retardancy; Thermal stability; Mechanical properties |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401605. Functional materials |
401609. Polymers and plastics | |
401602. Composite and hybrid materials | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Institution of Origin | University of Southern Queensland |
Byline Affiliations | Centre for Future Materials |
Centre for Future Materials | |
Funding source | Australian Research Council (ARC) Grant ID DP190102992 |
https://research.usq.edu.au/item/q628z/polyphosphoramide-intercalated-mxene-for-simultaneously-enhancing-the-thermal-stability-flame-retardancy-and-mechanical-properties-of-polylactide
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