Fire-resistant, strong and green polymer nanocomposites based on poly(lactic acid) and core-shell nanofibrous flame retardants
Article
Article Title | Fire-resistant, strong and green polymer nanocomposites based on poly(lactic acid) and core-shell nanofibrous flame retardants |
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ERA Journal ID | 200101 |
Article Category | Article |
Authors | Feng, Jiabin (Author), Sun, Yiqi (Author), Song, Pingan (Author), Lei, Weiwei (Author), Wu, Qiang (Author), Liu, Lina (Author), Yu, Youming (Author) and Wang, Hao (Author) |
Journal Title | ACS Sustainable Chemistry and Engineering |
Journal Citation | 5 (9), pp. 7894-7904 |
Number of Pages | 11 |
Year | 2017 |
Publisher | American Chemical Society |
Place of Publication | United States |
ISSN | 2168-0485 |
Digital Object Identifier (DOI) | https://doi.org/10.1021/acssuschemeng.7b01430 |
Web Address (URL) | https://pubs.acs.org/doi/pdf/10.1021/acssuschemeng.7b01430 |
Abstract | Despite extraordinary mechanical properties and excellent biodegradability, poly(lactic acid) (PLA) still suffers from a highly inherent flammability, restricting its wide applications in the electric and automobile fields. Although a wide range of flame retardants have been developed to reduce the flammability, so far, they normally compromise the mechanical strength of PLA. Herein, we have demonstrated the fabrication of a novel core−shell nanofibrous flame retardant system, PN-FR@CNF, through in situ chemically grafting the phosphorus−nitrogen-based polymer onto the cellulose nanofiber (CNF) surface. The results show that adding 10 wt % PN-FR@CNF enables PLA to achieve a V-0 flame resistance rating during vertical burning tests and to exhibit a dramatically reduced peak heat release rate in cone calorimetry measurements, indicating a significantly reduced flammability. In addition, the tensile strength of PLA also increases by around 24% (about 72 MPa). This work offers an innovative methodology for the design of the unique integration of extraordinary flame retardancy and mechanical reinforcement into one hierarchical nanostructured additive system for creating advanced green polymeric materials. |
Keywords | core−shell, nanofibrous, flame retardant, poly(lactic acid) (PLA), mechanical property |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401699. Materials engineering not elsewhere classified |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Zhejiang A & F University, China |
Centre for Future Materials | |
Deakin University | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q50v2/fire-resistant-strong-and-green-polymer-nanocomposites-based-on-poly-lactic-acid-and-core-shell-nanofibrous-flame-retardants
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