Article
Polymer Science
Liu Zhong, Yu Zhao, Qiaolin Tang, Kaixin Zhang, Weihao Deng, Lewen Zhang, Rong Wang, Jin Chen, Jingjing Deng, Wang Liao, Qiwei Wang, Mingjun Chen, Zhiguo Liu
Summary: A high effective phosphorus-containing flame retardant (DOP-DDM) was synthesized and incorporated into epoxy resin, resulting in improved flame retardancy with V-0 rating in UL 94 test at 4.7wt% loading. The material also exhibited high transmittance similar to neat EP-0 at 96.8%, showing potential for practical application.
POLYMERS FOR ADVANCED TECHNOLOGIES
(2021)
Article
Thermodynamics
Tao Chen, Xin-Ya Liu, Ting Wang, Lei He, Jin-Ni Deng, Zhi-Cheng Fu, Tian-Bao Zhao, Chang-Lin Xia, Zhi-hui Liu, Ming-Jun Chen
Summary: In this study, hydroxylated melamine (MOH) was synthesized and used as a charring and blowing agent in combination with ammonium polyphosphate (APP) to develop an intumescent flame retardant for epoxy resin. The resulting APP/MOH system significantly improved the flame retardancy of epoxy resin, achieving a LOI value of 32.5% and reaching UL 94 V-0 standards. Compared to other flame retardant systems, such as APP/PER, the APP/MOH system exhibited lower peak heat release rate and peak smoke production rate.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Materials Science, Multidisciplinary
Chenhao Zhang, Huajun Duan, Chao Wan, Chentao Liu, Huijuan Zhao, Huiru Ma
Summary: A new reactive phosphorus/nitrogen/sulfur flame retardant was designed and applied in the epoxy resin system, enhancing its fire safety and thermal stability. Through various tests and analyses, the results demonstrated that this new flame retardant not only improved thermal stability and fire safety, but also slightly enhanced the mechanical properties of the material.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Polymer Science
Jituo Chen, Yuxiang Zhang, Feng He, Jun Ying, Shi-Neng Li, Li Peng, Qiang Wu, Zhiqiang Fan, Baiyu Jiang
Summary: A facile method was developed to transform lignin derivatives into flame-retardant epoxy resins with satisfactory mechanical properties. These resins show promise as alternatives to conventional bisphenol-A epoxy resins for fireproof materials.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Polymer Science
Hengxing Cheng, Junhong Guo, Yuan Ye, Tianjing Zhao, Jinfeng Cui, Baoping Yang, Bo Mu, Li Tian, Xuemei Bao, Xiujun Zhang, Yingping Zhou
Summary: A novel P-N coacting epoxy curing agent with intrinsic flame retardancy was designed and synthesized, which showed excellent mechanical and flame-retardant properties when used to cure epoxy resin, achieving a UL 94 V-1 rating.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Polymer Science
Feiyue Wang, Jiahao Liao, Long Yan, Mengtao Cai
Summary: In this study, a unique mono-component intumescent flame retardant PPy-MAPP was synthesized and applied to epoxy resin to obtain flame-retarded EP composites. The results demonstrate that PPy-MAPP greatly improves the flame retardancy and smoke suppression properties of EP. The mechanical test shows that PPy-MAPP has a minimal negative effect on the tensile strength and elastic modulus of epoxy resin.
Article
Chemistry, Applied
ZeKun Zhao, Jun Wang, Jingsheng Wang, Kaiwen Chen, Bin Zhang, Qiufei Chen, Pengzong Guo, Xiao Wang, Fu Liu, Siqi Huo, Shuang Yang
Summary: By incorporating DOPO, BDM and BICP into the EP system, a novel single-component EP system containing phosphorus and nitrogen was successfully synthesized. The results showed that the addition of BDM improved the thermal stability, flame retardancy and smoke suppression of EP/DOPO/BDM/BICP.
REACTIVE & FUNCTIONAL POLYMERS
(2022)
Article
Engineering, Environmental
Yu Xu, Wen-Jie Yang, Qian-Kun Zhou, Tian-Yu Gao, Guo-Mei Xu, Qi-Long Tai, San-E Zhu, Hong-Dian Lu, Richard K. K. Yuen, Wei Yang, Chun-Xiang Wei
Summary: In this study, a highly functional bio-based flame retardant DPOR was successfully synthesized and added into epoxy resins, leading to excellent flame-retardant and mechanical properties. It shows great potential for future applications.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Materials Science, Multidisciplinary
Shuang Sun, Qiangliang Yu, Bo Yu, Feng Zhou
Summary: Due to the increased environmental awareness, flame-retardant epoxy resin has been developed to be non-toxic, efficient and multi-functional. Many new flame retardants and modification methods have been reported, which effectively improve the flame retardancy and thermal stability of epoxy resin. However, further improvements are still needed and future issues in this field are discussed.
Article
Materials Science, Multidisciplinary
Min Yu, Tongtong Zhang, Jie Li, Jihuai Tan, Meng Zhang, Yonghong Zhou, Xinbao Zhu
Summary: In this study, a eugenol-based flame retardant containing phosphorus and silicon groups was synthesized and used in epoxy resin to improve its fire resistance. The synergistic effect of silicon and phosphorus promoted the formation of a stable carbon residue, creating an effective thermal insulation layer and enhancing the fire resistance of the material.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Engineering, Environmental
Xiao-Feng Liu, Yan-Fang Xiao, Xi Luo, Bo-Wen Liu, De-Ming Guo, Li Chen, Yu-Zhong Wang
Summary: In this study, a high-performance and multifunctional epoxy resin EP-DPI was successfully synthesized by incorporating a functional molecule DPI, which exhibited excellent mechanical performance, high glass transition temperature, transparency, UV-shielding effect, and anti-ignition properties. This work opens up a new strategy for developing novel high-performance and multifunctional EPs with potential versatile applications in various fields.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Polymer Science
Chaojiu Chen, Xinlong Wang, Tao Luo, Honggang Zhen, Xiuying Yang, Lin Yang, Zhengjuan Yan
Summary: A new organophosphorus-nitrogen flame retardant 4N-BDP was synthesized to overcome the drawbacks of commonly used organophosphorus flame retardants (BDP) and to enhance the fire resistance of epoxy resin (EP). Flame-retardant EP composites were prepared by adding 4N-BDP and BDP in different proportions. The results showed that 4N-BDP exhibited better flame retardancy and smoke suppression performance compared to BDP. The flame-retardant mechanism of 4N-BDP was analyzed using scanning electron microscopy, XPS, and thermogravimetric analysis/infrared spectrometry.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Polymer Science
Linyuan Wang, Yue Wei, Hongbo Deng, Ruiqi Lyu, Jiajie Zhu, Yabing Yang
Summary: The study found that the addition of Pa-Ba to IFR can improve the flame retardancy of EP composites, leading to a reduction in the amount of IFR needed and expanding the application range of EP. The EP/14IFR/2Ba composite showed the highest LOI value and a significant decrease in PHRR compared to pure EP, indicating better carbonization quality.
Article
Polymer Science
Xueyan Dai, Peihong Li, Yanlong Sui, Chunling Zhang
Summary: The incorporation of biphenyl structures and phosphorus into the epoxy resin improved its glass transition temperature, thermal stability, mechanical properties, and flame-retardant properties. This approach offered a simple method for preparing intrinsic phosphorus-containing flame-retardant epoxy resin without compromising its thermal and mechanical properties.
EUROPEAN POLYMER JOURNAL
(2021)
Article
Chemistry, Physical
Liping Chen, Zhonglin Luo, Biaobing Wang
Summary: A novel bio-based flame retardant AVD was synthesized and its structure and properties were investigated. The epoxy resin modified with AVD showed improved thermal stability and flame retardancy, indicating great potential for industrial applications.
Article
Materials Science, Composites
Wenhao Liang, Bin Yu, Wei Wang, Yi Xiao, Yao Yuan
Summary: In this study, a triazine-based hyperbranched charring agent (TBHCA) was synthesized and combined with ammonia polyphosphate (APP) to achieve fire hazard suppression of poly(lactic acid) (PLA). The PLA/APP/TBHCA composites exhibited excellent fire safety properties due to the synergistic effect between the flame retardant and char-forming agent. This work provides a simple approach for constructing phosphorus-containing and triazine-based intumescent flame retardant systems for polymers.
COMPOSITES COMMUNICATIONS
(2022)
Article
Engineering, Manufacturing
Kexin Chen, Yuezhan Feng, Yongqian Shi, Hengrui Wang, Libi Fu, Miao Liu, Yuancai Lv, Fuqiang Yang, Bin Yu, Minghua Liu, Pingan Song
Summary: This research focuses on the development of thermoplastic polyurethane composites with outstanding flame retardancy and electromagnetic interference shielding effectiveness. A novel air-assisted thermocompression technology was used to fabricate sandwich-structured composites. The composites exhibited significant reduction in heat release rate and smoke release rate, as well as high electromagnetic interference shielding effectiveness.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2022)
Article
Engineering, Multidisciplinary
Bo Lin, Anthony Chun Yin Yuen, Susan Oliver, Junjie Liu, Bin Yu, Wei Yang, Shuying Wu, Guan Heng Yeoh, Chun Hui Wang
Summary: A multifunctional coating with dual antibacterial and flame retardant properties was successfully synthesized using a layer-by-layer assembly technique. The coating showed excellent antibacterial performance against both gram-negative and gram-positive bacteria, as well as outstanding flame retardancy. This coating technology has great potential for eliminating fire risks in healthcare settings and providing antibacterial properties to furniture, walls, and building panels.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Chemistry, Physical
Wei Wu, Wenjie Huang, Yizhang Tong, Jingshu Huang, Junchen Wu, Xianwu Cao, Qunchao Zhang, Bin Yu, Robert K. Y. Li
Summary: By combining a double core-shell structured zeolite imidazole framework-8 (ZIF-8) with negatively charged phytic acid and positively charged hyperbranched polysiloxane (NH2-HBPSi) through electrostatic self-assembly, the flammability and smoke release of thermoplastic polyurethane (TPU) were significantly reduced while maintaining high ductility. This study presents a feasible strategy for improving fire resistance, inhibiting smoke emission, and maintaining the mechanical properties of TPU.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Composites
Hengrui Wang, Zixiao Wang, Yongqian Shi, Miao Liu, Ansheng Yao, Yuezhan Feng, Libi Fu, Yuancai Lv, Fuqiang Yang, Bin Yu
Summary: A novel N-P-Co-containing supramolecular assembly network (MHCSN) flame retardant was synthesized using electrostatic interaction and supramolecular self-assembly technology. By compounding with silicone wrapped ammonium polyphosphate (SiAPP), MHCSN-Ti3C2Tx (MHCSN-TC) hybrids were successfully synthesized and used to fabricate polylactic acid (PLA) composites. These composites exhibited improved flame retardancy.
COMPOSITES COMMUNICATIONS
(2023)
Article
Materials Science, Composites
Xiaodong Qian, Congling Shi, Mei Wan, Jingyun Jing, Honglei Che, Fei Ren, Jian Li, Bin Yu
Summary: In this study, metal phosphate modified layered melamine phytate hybrids were designed and prepared by supramolecular self-assembly technology, and incorporated into glass fiber reinforced PA6. The flame retardancy and smoke suppression properties of the composites were investigated, and the results showed that the metal phosphate modified hybrids effectively reduced heat release and smoke production. The mechanism of improved fire safety properties was attributed to the physical barrier effect and selective catalysis effect of transition metal during combustion.
COMPOSITES COMMUNICATIONS
(2023)
Article
Nanoscience & Nanotechnology
Liangyuan Qi, Wei Cai, Weijie Zhang, Bangyu Wang, Wensheng Li, Xiaohui Jin, Liang Chen, Bin Yu, Yuan Hu, Weiyi Xing
Summary: An organic-inorganic composite coating containing nitrogen-phosphorus-silicon flame retardant and silver nanoparticle-loaded halloysite nanotubes (Ag@HNTs) was designed and prepared to enhance the fire safety of polyester-cotton fabrics. The coating reduced the peak heat release rate, allowed the fabric to self-extinguish in 9 seconds, and exhibited excellent fire safety with a limiting oxygen index of 25%. It also reduced smoke release and showed superior water resistance. The flame retardant mechanisms were investigated through various analyses. This work provides an effective approach for fabricating high-performance flame retardant and smoke-suppressive coatings for textiles.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Engineering, Environmental
Mei Wan, Congling Shi, Xiaodong Qian, Yueping Qin, Jingyun Jing, Honglei Che, Fei Ren, Jian Li, Bin Yu, Keqing Zhou
Summary: A multilayer core-shell flame retardant (APP@SiO2@UiO-66-NH2(Zr)) was developed to improve the smoke suppression and fire resistance of thermoplastic polyurethane (TPU). The composite showed significant reductions in heat release, smoke production, CO yield, and CO2 yield compared to pure TPU. The flame retardant formed protective layers in the residual carbon structure, adsorbed harmful substances, and reduced the generation of combustible volatiles during combustion.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Wensheng Li, Zhenting Yin, Liangyuan Qi, Bin Yu, Weiyi Xing
Summary: To meet the application requirements under harsh environments, the scalable production of multifunctional fire-safe textiles is challenging. However, a blade-coating strategy was used to prepare fire-safe cotton fabric, followed by hydrophobic treatment, resulting in textiles with micra-like structure that demonstrate excellent water resistance and fast heat response. The treated fabric also exhibits high flame retardancy and superior electromagnetic interference shielding effectiveness, making it suitable for various commercial applications.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Ping Yu, Haiyue Wang, Ting Li, Guimei Wang, Zichen Jia, Xinyu Dong, Yang Xu, Qilin Ma, Dongen Zhang, Hongliang Ding, Bin Yu
Summary: To achieve energy saving and emission reduction goals, researchers have developed polyimine dynamic networks based on bulky pendant groups, which not only have higher mechanical properties than strong polymers, but also exhibit excellent self-repairing capability and recyclability. These polyimine materials with conjugation structure can be completely depolymerized into monomers recovery in an acidic aqueous solution at ambient temperature. This work provides an effective strategy for fabricating high-performance polymer materials with multiple functions.
Editorial Material
Materials Science, Multidisciplinary
Bin Yu, Bihe Yuan, Benjamin Tawiah, Wei Wu, Yanbei Hou
FRONTIERS IN MATERIALS
(2023)
Article
Engineering, Multidisciplinary
Changhao Wang, Kaili Gong, Bin Yu, Keqing Zhou
Summary: Rare earth elements have attracted intensive attention as efficient flame retardants for polymers, with various synthesis methods and different structural forms developed. They provide excellent fire safety to polymeric materials, but there are still challenges in understanding the flame retardant mechanism and preparing composite materials.
COMPOSITES PART B-ENGINEERING
(2023)
Article
Chemistry, Physical
Xiaodong Qian, Nire Mu, Xiaojiong Zhao, Congling Shi, Saihua Jiang, Mei Wan, Bin Yu
Summary: Novel fire-retardant hydrogel coatings based on polyvinyl alcohol (PVA) and borax are proposed and applied in rigid polyurethane foam (RPUF), showing excellent self-healing, recyclability, and flame retardant properties. The hydrogels with dynamic and reversible cross-linked networks based on borate ester bonds and hydrogen bonds demonstrate improved fire-retardant properties in RPUF without influencing its inherent advantages, along with rapid self-quenching behavior. These hydrogel coatings provide a new strategy for the development of flame-retardant coatings, indicating the potential of the next generation of self-healing hydrogel coatings to reduce the fire risk of RPUF.
Article
Engineering, Manufacturing
Chuanshen Wang, Wenzong Xu, Liangyuan Qi, Hongliang Ding, Wei Cai, Guangyong Jiang, Yuan Hu, Weiyi Xing, Bin Yu
Summary: Based on density functional theory (DFT) study, this research reveals the flame retardancy mechanism of hierarchical NiO/Al2O3 nanostructures in thermoplastic polyurethane (TPU). The incorporation of NiO/Al2O3-S can significantly reduce total smoke release and CO production rate, as well as decrease smoke density. Moreover, introducing catalysts on the surface of TPU nanocomposites enhances the adsorption energy, facilitating CO oxidation reactions to reduce flue gas emissions and toxicity levels.
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
(2023)
Article
Chemistry, Physical
Yaru Sun, Bin Yu, Yan Liu, Junbo Yan, Zixi Xu, Bo Cheng, Fenglei Huang, Jun Wang
Summary: This study proposed a bio-inspired surface manipulation strategy for halloysite nanotubes to fabricate high-performance, multi-functional flame-retardant polylactic acid (PLA) bio-composites. The resulting composites exhibited excellent mechanical properties, great fire safety, improved thermosetability and electromagnetic interference shielding effectiveness.
