| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Modified Nano-Silica Synergistic Aluminum Diethylphosphinate Flame Retardant Nylon 6 |
| KANG Xinglong1, LU Zhehong1, LIU Yan1, FENG Weili2, LIU Baoying2, FANG Xiaomin1,2, DING Tao1,2
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1 College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
2 Henan Engineering Laboratory of Flame-Retardant and Functional Materials, Henan University, Kaifeng 475004, China |
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Abstract Flame retardant PA6 composites were prepared using organic-inorganic hybrid nano-silica (DNS-M) and reactive nano-silica (RNS-A) as synergist respectively compounded with aluminum diethylphosphinate (ADP). The study found that the mechanism of DNS-M and RNS-A are both mainly to promote gas phase flame retardancy, supplemented by condensed phase. When the addition of DNS-M and RNS-A are both 1% combined with 9% ADP (mass fraction, the same below), the vertical burning test of the composites can reach the V-0 level, their peak heat release rate dropped to 309.5 kW/m2 and 239.1 kW/m2. Comparing the total heat release (THR) and the peak heat release rate (PkHRR), it can be found that the flame retardant effect of RNS-A system is better than that of DNS-M system and the THR and PkHRR of the RNS-A system are reduced by 11.1% and 22.7% respectively. Moreover, the reactive amino groups on the surface of RNS-A can enhance the interaction between the flame retardant filler and the matrix, improving the dispersibility and compatibility. Therefore, the bending strength and impact strength of the RNS-A system are increased by 2.3% and 39.4%, respectively.
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Published: 30 September 2021
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| Fund:This work was financially supported by the National Natural Science Foundation of China (51703051). |
| About author:: Xinglong Kang received his bachelor's degree in June 2018 from Henan University of Science and Technology. From June 2018 to now, he has studyed at the Engineering Laboratory for Flame-Retardant and Functional Materials of Henan Province, focusing on the research of flame retardant agents and flame retardant materials. |
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1 Chen G, Tang K, Niu G, et al. Polymer Engineering and Science, 2019, 59(1), 192.
2 Lu Z H, Ban D S, Li H, et al. Chemical Research, 2008, 29 (3), 310 (in Chinese).
鲁哲宏,班大赛,李豪,等.化学研究,2018, 29(3), 310.
3 Liu P, Dong L, Wu L, et al. RSC Advances, 2019, 9(13), 7147.
4 Neumeyer T, Bauernfeind A, Eigner V, et al. CEAS Aeronautical Journal, 2018, 9(1),235.
5 Wang J, Li X, Wu W, et al. Chinese Journal of Biotechnology, 2019, 35(11), 2050 (in Chinese).
王健, 李晓, 吴伟, 等. 中国生物技术杂志,2019, 35(11), 2050.
6 Lu Z H, Feng W L, Kang X L, et al. Fine Chemicals, 2019, 36(2), 322(in Chinese).
鲁哲宏,冯伟丽,康兴隆,等. 精细化工, 2019,36(2), 322.
7 Zhou X, Li J, Wu Y. Polymers for Advanced Technologies, 2015, 26(3), 255.
8 Wu X, Yang C Q. Journal of Fire Sciences, 2008, 26(4),351.
9 Shen H, Liu Y. Chinese Journal of Chemical Engineering, 2018, 26(10),203.
10 Park W H, Shin E J, Yun S, et al. IEEE Transactions on Haptics, 2018, (99), 1.
11 Zhang T, Han B J, Yu J, et al. RSC Advances, 2018, 8(30), 16696.
12 Mcgee C F, Storey S, Clipson N, et al. Ecotoxicology, 2017, 26(3),449.
13 Yuan Z G, Su Q, Li X, et al. Polymer Materials Science and Enginee-ring, 2014, 30(5), 108 (in Chinese).
袁志刚, 苏倩, 李雪,等.高分子材料科学与工程, 2014, 30(5),108.
14 Fang X W, Wang B R, Chen F F, et al. Journal of Henan University (Natural Science Edition), 2010, 40(1),13 (in Chinese).
方秀苇, 王宝仁, 陈方飞, 等. 河南大学学报(自然科学版), 2010, 40(1),13.
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2021, Vol. 35 
