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Design and Application of Highly Efficient Flame Retardants for Polycarbonate Combining the Advantages of Cyclotriphosphazene and Silicone Oil

Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
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Polymers 2019, 11(7), 1155; https://doi.org/10.3390/polym11071155
Received: 17 June 2019 / Revised: 30 June 2019 / Accepted: 4 July 2019 / Published: 5 July 2019
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Abstract

A novel flame retardant (HSPCTP) was successfully designed and incorporated into a polycarbonate (PC) matrix. Combining the advantages of cyclotriphosphazene and silicone oil, PC/HSPCTP composites passed UL-94 V-0 rating testing with only 3 wt% HSPCTP, and their LOI value increased from 25.0% to 28.4%. The findings showed that HSPCTP exhibits both gas-phase and solid-phase flame-retardant effects. Furthermore, the incorporation of HSPCTP into PC could suppress the release of smoke. Finally, the flame-retardant mechanism is discussed in depth. View Full-Text
Keywords: triphosphazene; flame retardant; silicone oil; polycarbonate triphosphazene; flame retardant; silicone oil; polycarbonate
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Jiang, J.; Wang, Y.; Luo, Z.; Qi, T.; Qiao, Y.; Zou, M.; Wang, B. Design and Application of Highly Efficient Flame Retardants for Polycarbonate Combining the Advantages of Cyclotriphosphazene and Silicone Oil. Polymers 2019, 11, 1155.

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