A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system

doi:10.1016/j.cjche.2025.05.042

中国化学工程学报 ›› 2025, Vol. 87 ›› Issue (11): 345-356.DOI: 10.1016/j.cjche.2025.05.042

A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system

Yanbo Liu, Qiang Liu, He Zhao, Ling Zhang, Chunzhong Li

Shanghai Engineering Research Center of Hierarchical Nanomaterials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai 200237, China

收稿日期:2025-03-25 修回日期:2025-05-01 接受日期:2025-05-06 出版日期:2025-11-28 发布日期:2025-08-13
通讯作者: Ling Zhang,E-mail:zlingzi@ecust.edu.cn;Chunzhong Li,E-mail:czli@ecust.edu.cn
作者简介:Yanbo Liu is currently a Master in School of Material Science and Engineering, East China University of Science and Technology. His research mainly focuses on the preparation and flame retardant modification of polymer alloys;Qiang Liu is currently a Master in School of Material Science and Engineering, East China University of Science and Technology. His research mainly focuses on the preparation of conductive polymers for isolation structures;He Zhao is currently a Ph.D. in School of Material Science and Engineering, East China University of Science and Technology. Her research mainly focuses on the development of flexible electrochemical biosensors and wireless battery-free wearable devices;Ling Zhang received her PhD degree in Sichuan University, China, in 2002. Currently she is a full professor in Key Laboratory for Ultrafine Materials of Ministry of Education at East China University of Science and Technology. Her current research interests focus on the design and preparation of polymer composites, nano-particle surface treatment and flexible conductive materials;Chunzhong Li received BS (1989), MS (1992) and PhD (1997) from East China University of Science and Technology. He became a full professor of school of materials science and engineering in 1998, and now he is the dean of School of Chemical Engineering at East China University of Science and Technology. His research interests include functionalization and fabrication of nanomaterials for new energy, environment and relevant applications
基金资助:
This work was supported by the National Natural Science Foundation of China (22278140, U22B20143), the Science and Technology Commission of Shanghai Municipality (22DZ1205900), Project supported by Shanghai Municipal Science and Technology Major Project, the Fundamental Research Funds for the Central Universities.

A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system

Yanbo Liu, Qiang Liu, He Zhao, Ling Zhang, Chunzhong Li

Shanghai Engineering Research Center of Hierarchical Nanomaterials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai 200237, China

Received:2025-03-25 Revised:2025-05-01 Accepted:2025-05-06 Online:2025-11-28 Published:2025-08-13
Contact: Ling Zhang,E-mail:zlingzi@ecust.edu.cn;Chunzhong Li,E-mail:czli@ecust.edu.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (22278140, U22B20143), the Science and Technology Commission of Shanghai Municipality (22DZ1205900), Project supported by Shanghai Municipal Science and Technology Major Project, the Fundamental Research Funds for the Central Universities.

摘要/Abstract

摘要： The polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene (PC/ABS) features excellent mechanical properties, but its high flammability poses a potential safety hazard in practical applications. Although the incorporation of halogen-free additives enhances flame retardancy, it often leads to substantial smoke emission and compromises the mechanical properties of PC/ABS alloy. Therefore, simultaneous enhancement of both flame retardancy with low smoke and mechanical properties holds significant practical value for material development. Herein, a low-smoke PC/ABS composite with balanced flame retardancy and mechanical properties was achieved through an efficient ternary flame retardant system containing bisphenol A bis(diphenyl phosphate) (BDP), potassium-4-(phenylsulfonyl) benzenesulfonate (KSS), and 3-glycidyloxypropyltrimethoxysilane-modified boehmite (m-BM). PC/ABS/BDP6/KSS2/m-BM2 can achieve the same flame retardant level (V-0) as PC/ABS/BDP14, and the limiting oxygen index is increased to 26.8%. Meanwhile, the tensile strength and impact strength are increased by 16.1% and 81.4% respectively. The ternary system can significantly inhibit the release of smoke and heat, under the same flame retardant load (10% (mass)), the total heat release and total smoke production of PC/ABS loaded with ternary flame-retardant system decreased by 18.1% and 21.9% respectively compared to only BDP loaded. This ternary flame-retardant system provides a practical solution for developing high-performance, low-smoke flame-retardant PC/ABS composites.

关键词: Ternary flame-retardant system, Low-smoke, High mechanical strength, Polycarbonate (bisphenol A)/acrylonitrile–butadiene–styrene

Abstract: The polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene (PC/ABS) features excellent mechanical properties, but its high flammability poses a potential safety hazard in practical applications. Although the incorporation of halogen-free additives enhances flame retardancy, it often leads to substantial smoke emission and compromises the mechanical properties of PC/ABS alloy. Therefore, simultaneous enhancement of both flame retardancy with low smoke and mechanical properties holds significant practical value for material development. Herein, a low-smoke PC/ABS composite with balanced flame retardancy and mechanical properties was achieved through an efficient ternary flame retardant system containing bisphenol A bis(diphenyl phosphate) (BDP), potassium-4-(phenylsulfonyl) benzenesulfonate (KSS), and 3-glycidyloxypropyltrimethoxysilane-modified boehmite (m-BM). PC/ABS/BDP6/KSS2/m-BM2 can achieve the same flame retardant level (V-0) as PC/ABS/BDP14, and the limiting oxygen index is increased to 26.8%. Meanwhile, the tensile strength and impact strength are increased by 16.1% and 81.4% respectively. The ternary system can significantly inhibit the release of smoke and heat, under the same flame retardant load (10% (mass)), the total heat release and total smoke production of PC/ABS loaded with ternary flame-retardant system decreased by 18.1% and 21.9% respectively compared to only BDP loaded. This ternary flame-retardant system provides a practical solution for developing high-performance, low-smoke flame-retardant PC/ABS composites.

Key words: Ternary flame-retardant system, Low-smoke, High mechanical strength, Polycarbonate (bisphenol A)/acrylonitrile–butadiene–styrene

Yanbo Liu, Qiang Liu, He Zhao, Ling Zhang, Chunzhong Li. A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system[J]. 中国化学工程学报, 2025, 87(11): 345-356.

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A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system

A low smoke and high strength polycarbonate (bisphenol A)/acrylonitrile-butadiene-styrene with ternary flame-retardant system

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