Polyamide 6 with a flame retardant encapsulated by polyamide 66: Flame retardation, thermo-decomposition and the potential mechanism |
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| Authors: | Wei-cheng Xiong Li Chen Bin Zhao De-yi Wang Yu-zhong Wang |
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| Institution: | 1. Center for Degradation and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu, 610064, China
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| Abstract: | A novel encapsulated flame retardant containing phosphorus-nitrogen (MSMM-Al-P) was prepared by encapsulating with polyamide
66 (PA66-MSMM-Al-P) for the flame retardation of polyamide 6 (PA6). The structure and thermal properties of PA66-MSMM-Al-P
were characterized by Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy and thermogravimetric analysis.
The flammability of PA6 containing flame retardants (MSMMAl-P and PA66-MSMM-Al-P) was investigated by the limiting oxygen
index test, vertical burning test and cone calorimeter. The flame retardancy and cone calorimetric analyses suggested a synergistic
effect between PA66 and MSMM-Al-P in the flame-retardant PA6. Thermal stability of the flame-retardant PA6 was also investigated. |
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| Keywords: | PA6 Thermo-decomposition Encapsulation Flame retardance |
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