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Aryl Polyphosphonates: Useful Halogen-Free Flame Retardants for Polymers
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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Received: 23 August 2010; Accepted: 30 September 2010 / Published: 11 October 2010
Abstract: Aryl polyphosphonates (ArPPN) have been demonstrated to function in wide applications as flame retardants for different polymer materials, including thermosets, polycarbonate, polyesters and polyamides, particularly due to their satisfactory thermal stability compared to aliphatic flame retardants, and to their desirable flow behavior observed during the processing of polymeric materials. This paper provides a brief overview of the main developments in ArPPN and their derivatives for flame-retarding polymeric materials, primarily based on the authors’ research work and the literature published over the last two decades. The synthetic chemistry of these compounds is discussed along with their thermal stabilities and flame-retardant properties. The possible mechanisms of ArPPN and their derivatives containing hetero elements, which exhibit a synergistic effect with phosphorus, are also discussed.
Keywords: aryl polyphosphonates; flame retardant; thermal stability; mechanism
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MDPI and ACS Style
Chen, L.; Wang, Y.-Z. Aryl Polyphosphonates: Useful Halogen-Free Flame Retardants for Polymers. Materials 2010, 3, 4746-4760.
Chen L, Wang Y-Z. Aryl Polyphosphonates: Useful Halogen-Free Flame Retardants for Polymers. Materials. 2010; 3(10):4746-4760.
Chen, Li; Wang, Yu-Zhong. 2010. "Aryl Polyphosphonates: Useful Halogen-Free Flame Retardants for Polymers." Materials 3, no. 10: 4746-4760.