Please use this identifier to cite or link to this item:
Title: Synthesis and application of synergistic azo-boron-BPA / polydopamine as efficient flame retardant for poly(lactic acid)
Authors: Tawiah, B 
Yu, B 
Cheung, WY 
Chan, SY 
Yang, W
Fei, B 
Keywords: Azo-boron
Flame retardant
Poly(lactic acid)
Issue Date: 2018
Publisher: Elsevier
Source: Polymer degradation and stability, June 2018, v. 152, p. 64-74 How to cite?
Journal: Polymer degradation and stability 
Abstract: PLA (Polylactic acid) as a bioplastic polymer has limited applications in areas that require high fire safety due to its inherent flammability and dripping when exposed to flames. In this paper, azo-boron-BPA (AZ A) and polydopamine (PDA) were synthesized, characterized and incorporated into PIA using the solvent approach and hot compression molding. Nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR) and Raman spectra showed that AZ-A and PDA were successfully synthesized. The flame retardant (FR) properties of synergistic AZ-A/PDA were investigated by vertical burning test, limiting oxygen index (LOI), cone calorimeter and thermogravimetric analysis (TGA). TGA analysis showed that synergistic AZ-A/PDA was generally more efficient in reducing the degradation rate of PLA and gave appreciably much higher char residue compared to the individual FR components. The synergistic AZ-A/PDA achieved V-O rating with LOI value of 23.7% at 10 wt% loading in the ratio 1:1 whereas the individual FR components could only give a V-2 rating. The AZ-A/PDA synergy also resulted in an obvious reduction in PHRR (up to 19%) with increased residue (up to 17.7%). This research work will contribute to and expand the frontiers of knowledge in flame retardant azo boron compounds and their synergies for PLA.
ISSN: 0141-3910
DOI: 10.1016/j.polymdegradstab.2018.03.018
Appears in Collections:Journal/Magazine Article

View full-text via PolyU eLinks SFX Query
Show full item record


Last Week
Last month
Citations as of Mar 29, 2019


Last Week
Last month
Citations as of Apr 6, 2019

Page view(s)

Citations as of Apr 23, 2019

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.