Flame-retardant poly (L-lactic acid) with enhanced UV protection and well-preserved mechanical properties by a furan-containing polyphosphoramide
Article
Article Title | Flame-retardant poly (L-lactic acid) with enhanced UV protection and well-preserved mechanical properties by a furan-containing polyphosphoramide |
---|---|
ERA Journal ID | 2223 |
Article Category | Article |
Authors | Yu, Lingfeng, Huo, Siqi, Wang, Cheng, Ye, Guofeng, Song, Pingan, Feng, Jiabing, Fang, Zhenping, Wang, Hao and Liu, Zhitian |
Journal Title | International Journal of Biological Macromolecules |
Journal Citation | 234 |
Article Number | 123707 |
Number of Pages | 10 |
Year | 2023 |
Publisher | Elsevier |
Place of Publication | Netherlands |
ISSN | 0141-8130 |
1879-0003 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.ijbiomac.2023.123707 |
Web Address (URL) | https://www.sciencedirect.com/science/article/abs/pii/S0141813023006001 |
Abstract | Despite good biodegradability and mechanical strength, the intrinsic flammability of poly(L-lactic acid) (PLA) impede its practical application. Introducing phosphoramide is an effective method to enhance the flame retardancy of PLA. However, most of the reported phosphoramides derive from petroleum resources, and their addition tends to deteriorate the mechanical properties, especially toughness, of PLA. Herein, a bio-based, furan-containing polyphosphoramide (DFDP) with high flame-retardant efficiency was synthesized for PLA. Our study found that 2 wt% DFDP enabled PLA to pass a UL-94 V-0 rating, and 4 wt% DFDP increased the limiting oxygen index (LOI) to 30.8 %. DFDP effectively maintained the mechanical strength and toughness of PLA. The tensile strength of PLA with 2 wt% DFDP reached 59.9 MPa, and its elongation at break and impact strength were increased by 15.8 % and 34.3 %, respectively, relative to those of virgin PLA. The UV protection of PLA was significantly enhanced by introducing DFDP. Hence, this work provides a sustainable and comprehensive strategy for the creation of flame-retardant biomaterials with improved UV protection and well-preserved mechanical properties, which possess a broad prospect in industrial application. |
Keywords | Poly(L-lactic acid); Polyphosphoramide; Furan |
ANZSRC Field of Research 2020 | 401609. Polymers and plastics |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Wuhan Institute of Technology, China |
Centre for Future Materials | |
NingboTech University, China | |
Centre for Future Materials (Research) |
https://research.usq.edu.au/item/yy255/flame-retardant-poly-l-lactic-acid-with-enhanced-uv-protection-and-well-preserved-mechanical-properties-by-a-furan-containing-polyphosphoramide
77
total views0
total downloads1
views this month0
downloads this month