Volume 134, Issue 22
Article

Synthesis of a heat-resistant DOPO derivative and its application as flame-retardant in engineering plastics

Mingchen Xie

Mingchen Xie

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

University of Chinese Academy of Sciences, Beijing, 100049 People's Republic of China

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Shimin Zhang

Corresponding Author

Shimin Zhang

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

Correspondence to: M. Yang (E-mail: [email protected]) and S. Zhang (E-mail: [email protected])Search for more papers by this author
Yanfen Ding

Yanfen Ding

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

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Feng Wang

Feng Wang

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

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Peng Liu

Peng Liu

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

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Hanying Tang

Hanying Tang

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

University of Chinese Academy of Sciences, Beijing, 100049 People's Republic of China

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Yintao Wang

Yintao Wang

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

School of Material Science and Engineering, Zhengzhou University, Henan, 450000 People's Republic of China

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Mingshu Yang

Corresponding Author

Mingshu Yang

Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 People's Republic of China

University of Chinese Academy of Sciences, Beijing, 100049 People's Republic of China

Correspondence to: M. Yang (E-mail: [email protected]) and S. Zhang (E-mail: [email protected])Search for more papers by this author
First published: 07 February 2017
Citations: 21

ABSTRACT

A star-shaped DOPO derivative (GL-3DOPO, P content 10.8 wt %) was synthesized through a two-step reaction involving glycerol, acryloyl chloride, and DOPO. The derivative demonstrated a great improvement of thermal decomposition temperature increased to 360 °C from 194 °C (under N2 atmosphere), promoting its application in thermoplastics of high processing temperature. When blended with engineering plastics including PET, PBT, PC, PA6, and PA66 at a GL-3DOPO loading of 25 wt %, all the compounds reached the UL94 V-0 level and increased limit oxygen index (LOI). In PET system, LOI raised from 22.8% to 35.4% with P 2.5 wt % and passed the V-0 test with only 0.8 P wt %. Compact char layers were found in the PET system after LOI test, suggesting that GL-3DOPO acted both in gas and condensed-phase mode. All results indicated that GL-3DOPO could be a potential flame-retardant for engineering plastics. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44892.

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