He, Wentao and Xu, Huahui and Song, Pingan 
ORCID: https://orcid.org/0000-0003-1082-652X and Xiang, Yushu and Qin, Shuhao
(2022)
P, N-decorated halloysite nanotubes for flame retardancy enhancement of polyamide 6/aluminum diethylphosphinate.
Polymer Degradation and Stability, 196:109847.
pp. 1-11.
ISSN 0141-3910
Abstract
Flame-retardant functionalized nanomaterials have attracted much research interests due to the combined advantages of organic and inorganic components. In the present study, P, N-decorated halloysite nanotube (MA-PPA@HNT) was prepared via simple steps of phenphosphinic acid intercalation and subsequent electrostatic interaction with melamine. Compared to unmodified HNT, the incorporation of MA-PPA@HNT into polyamide 6 (PA6)/aluminum diethylphosphinic acid (AlPi) composite results in significant improvement of flame retardancy. At equal HNT loading of 2wt%, the UL-94 rating grade of PA6/AlPi/MA-PPA@HNT composite was V-0, whereas that of PA6/AlPi/HNT composite V-2. And compared with PA6, there is a decrease of peak heat release rate (pHRR) and total heat release (THR) by 72.6% and 17.4%, respectively. The flame retardant mechanism was analyzed by cone calorimetry, gas volatility and characterization of char residues. It is considered that MA-PPA@HNT plays the critical role of promoting the formation of P, Si-rich intumescent char in the condensed phase and enhancing the barrier effect for heat and mass transfer.
|
Statistics for this ePrint Item |
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Refereed: | Yes |
| Item Status: | Live Archive |
| Faculty/School / Institute/Centre: | Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -) |
| Faculty/School / Institute/Centre: | Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -) |
| Date Deposited: | 27 Mar 2022 23:39 |
| Last Modified: | 31 Mar 2022 06:03 |
| Uncontrolled Keywords: | Halloysite nanotube; Phenphosphinic acid; Melamine; Flame retardancy; Polyamide |
| Fields of Research (2020): | 40 ENGINEERING > 4016 Materials engineering > 401605 Functional materials 40 ENGINEERING > 4016 Materials engineering > 401609 Polymers and plastics 40 ENGINEERING > 4016 Materials engineering > 401602 Composite and hybrid materials |
| Socio-Economic Objectives (2020): | 24 MANUFACTURING > 2409 Industrial chemicals and related products > 240910 Plastics 24 MANUFACTURING > 2409 Industrial chemicals and related products > 240904 Fine chemicals |
| Funding Details: | |
| Identification Number or DOI: | https://doi.org/10.1016/j.polymdegradstab.2022.109847 |
| URI: | http://eprints.usq.edu.au/id/eprint/47392 |
Actions (login required)
 |
Archive Repository Staff Only |