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橡塑技术与装备 CHINA RUBBER/PLASTICS TECHNOLOGY AND EQUIPMENT

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Research progress and prospect of boron-containing flame retardant
polymer materials

Han Dequan, Tian Huhu, Guo Liying, Zhou Xiaodong, Lu Tingting, Yu Xiaoli, Cao Hongzhang *

(Baotou Rare Earth Research Institute, State Key Laboratory of Research and Comprehensive Utilization of
Rare Earth Resources in Bayan Obo, Baotou 014030, Inner Mongolia, China)

Abstract: In recent years, due to environmental and health concerns, many researchers have been
focusing on finding halogen-free flame retardant solutions that are as effective as halogenated flame
retardant solutions. This strategy is a major impetus for academic work in the field of flame retardants.
Boron compounds are potential flame retardant additives in polymer materials due to their low toxicity,
molecular diversity and various flame retardant action modes. They have been used alone or as adjuvants
in combination with expansion systems, phosphorus-, halogen-, nitrogen- and carbon-containing additives.
This article comprehensively describes the flame retardant effects of boron compounds in biocomposites,
thermoplastics, elastomers, and thermosets, as well as studies on synergistic effects with other flame retardant
additives. Finally, the challenges of the application of boron-containing flame retardants in polymer materials
are emphasized, and the future research progress in this field was expected.
Key words: boron-containing compound; polymer material; flame retardant; synergistic effect
(R-03)

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