1
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Zhao S, Xu B, Shan H, Zhang Q, Wang X. How Do Phosphorus Compounds with Different Valence States Affect the Flame Retardancy of PET? Polymers (Basel) 2023; 15:polym15081917. [PMID: 37112063 PMCID: PMC10146855 DOI: 10.3390/polym15081917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/31/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
This work investigated the effect of different valence states of phosphorus-containing compounds on thermal decomposition and flame retardancy of polyethylene terephthalate (PET). Three polyphosphates-PBPP with +3-valence P, PBDP with +5-valence P and PBPDP with both +3/+5-valence P-were synthesized. The combustion behaviors of flame-retardant PET were studied and the structure-property relationships between the phosphorus-based structures with different valence states and flame-retardant properties were further explored. It was found that phosphorus valence states significantly affected the flame-retardant modes of action of polyphosphate in PET. For the phosphorus structures with +3-valence, more phosphorus-containing fragments were released in the gas phase, inhibiting polymer chain decomposition reactions; by contrast, those with +5-valence phosphorus retained more P in the condensed phase, promoting the formation of more P-rich char layers. It is worth noting that the polyphosphate containing both +3/+5-valence phosphorous tended to combine the advantage of phosphorus structures with two valence states and balance the flame-retardant effect in the gas phase and condensed phase. These results contribute to guiding the design of specified phosphorus-based structures of flame-retardant compounds in polymer materials.
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Affiliation(s)
- Siheng Zhao
- School of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing 100048, China
- China Light Industry Engineering Technology Research Center of Advanced Flame Retardants, Beijing 100048, China
| | - Bo Xu
- School of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing 100048, China
- China Light Industry Engineering Technology Research Center of Advanced Flame Retardants, Beijing 100048, China
| | - Hao Shan
- School of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing 100048, China
- China Light Industry Engineering Technology Research Center of Advanced Flame Retardants, Beijing 100048, China
| | - Qinglei Zhang
- School of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing 100048, China
- China Light Industry Engineering Technology Research Center of Advanced Flame Retardants, Beijing 100048, China
| | - Xiangdong Wang
- School of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing 100048, China
- China Light Industry Engineering Technology Research Center of Advanced Flame Retardants, Beijing 100048, China
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2
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Xu B, Zhu S, Zhao S, Wang X. A High-Phosphorus-Content Polyphosphonate with Combined Phosphorus Structures for Flame Retardant PET. Polymers (Basel) 2023; 15:polym15071713. [PMID: 37050327 PMCID: PMC10096606 DOI: 10.3390/polym15071713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/25/2023] [Accepted: 03/27/2023] [Indexed: 04/01/2023] Open
Abstract
A high-phosphorus-content polyphosphonate (PBDA), containing two phosphorus-based structures: phosphaphenanthrene (DOPO) and phenyl phosphonate groups, was synthesized and used in flame retardant polyethylene terephthalate (PET). Good self-extinguishing property (high UL 94 grade and LOI value), superior flame retardancy (lower heat/smoke release), and high quality retention (high carbon residue) were endowed to PET by PBDA. When 10 wt% PDBA was added, the peak heat release rate (pHRR), total heat release (THR), and total smoke rate (TSR) of PDBA/PET were found to be significantly reduced by 80%, 60.5%, and 21%, respectively, compared to the pure PET, and the LOI value jumped from 20.5% for pure PET to 28.7% with a UL-94 V-0 rating. The flame-retardant mode of action in PET was verified by thermogravimetric analysis-Fourier transform infrared (TGA-FTIR), pyrolysis gas chromatography/mass spectrometry (Py-GC/MS), real-time FTIR, and scanning electron microscopy (SEM). Phosphaphenanthrene and phosphonate moieties in PDBA decomposed in sequence during heating, continuously releasing and keeping high-content PO· and PO2· radicals with a quenching effect and simultaneously promoting the formation of viscous crosslinked char layers causing a high barrier effect. PDBA mainly acted in the gas phase but the condensed-phase flame retardant function was also considerable.
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3
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Xu B, Wu M, Liu Y, Wei S. Study on Flame Retardancy Behavior of Epoxy Resin with Phosphaphenanthrene Triazine Compound and Organic Zinc Complexes Based on Phosphonitrile. Molecules 2023; 28:molecules28073069. [PMID: 37049832 PMCID: PMC10095624 DOI: 10.3390/molecules28073069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 03/23/2023] [Accepted: 03/26/2023] [Indexed: 04/03/2023] Open
Abstract
A novel flame retardant phosphorus-containing organozinc complex (Zn-PDH) was prepared using zinc and iron as the metal center and 4-aminopyridine, with low steric hindrance, as the organic ligand, then using phosphazene to modify the organometallic complex (Zn-4APD). The flame retardant properties and mechanism of Zn-PDH/Tris-(3-DOPO-1-propyl)-triazinetrione (TAD) in epoxy resin (EP) were investigated. Flame inhibition behavior was studied by the vertical combustion test (UL94), while limiting oxygen index (LOI) measurement and flame retardant properties were studied by the cone calorimeter test (CONE). The flame retardant modes of action were explored by using the thermogravimetry–Fourier transform infrared (TG-FTIR) test, X-ray photoelectron spectrometer (XPS), and Raman spectroscopy (LRS). When TAD and Zn-PDH were added to the epoxy resin in the ratio of 3:1, the system achieved a balance between the gas-phase and condense-phase actions of the flame retardant effects, and the 3%TAD/1%Zn-PDH/EP composite system achieved not only good flame inhibition but also obtained good smoke and heat suppression performance, showing a comprehensive flame retardant performance. The gas phase and Zn-PDH mostly promoted charring with a barrier and protective effect in the condensed phase. As for the mechanism, TAD released the phosphorus-containing radicals and phenoxy radicals during decomposition and mainly exerted a gas-phase quenching effect. While in the condense phase, Zn-PDH promoted the decomposition of the polymer matrix to produce more aromatic structures and rapidly formed a complete and dense carbon layer rich in P-O-C crosslinked structures at high temperatures. Meanwhile, more N entered the gas phase in the form of inert gas, which diluted the concentration of the combustible fuel and helped to inhibit the combustion reaction.
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4
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Vothi H, Kim C, Nguyen T, Lee J, Nguyen LAT, Suhr J. Thermal degradation and flame retardancy of nylon 6/aluminum methylmethoxy phosphonate composites. RSC Adv 2023; 13:5219-5227. [PMID: 36777944 PMCID: PMC9910282 DOI: 10.1039/d2ra07297a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
An aluminum methylmethoxyphosphonate (AlPo)-based flame retardant (FR) was synthesized. Thermal degradation and flame retardancy of nylon 6 (PA6)/AlPo composites were examined and compared with PA6/commercial aluminum diethylphosphinate (AlPi) composites. The PA6/AlPo composite achieved a V-0 rating at 20 wt% loading during the UL-94 test, and it exhibited the formation of a charred layer that protected the polymer from burning and reduced the release of gases during the combustion of PA6. AlPo demonstrated exceptional performance in gaseous and condensed phases in the PA6 matrix, whereas AlPi only worked in the gaseous phase. The differences between the thermal degradation mechanisms and flame retardancies of AlPi and AlPo were investigated via Fourier-transform infrared (FT-IR) spectroscopy, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and cone calorimetry. A suitable degradation mechanism was proposed to aid the development of flame retardants in the future.
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Affiliation(s)
- Hai Vothi
- Center for Composite Materials & Concurrent Design, Research & Business Foundation, Sungkyunkwan University Suwon 16419 Republic of Korea +84339949314
- University of Science Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Vietnam
| | - Chowon Kim
- Department of Polymer Science and Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea +821077087847
| | - TanBinh Nguyen
- Department of Polymer Science and Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea +821077087847
| | - Jinwoo Lee
- Department of Polymer Science and Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea +821077087847
| | - Lan-Anh T Nguyen
- Department of Energy Science, Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Jonghwan Suhr
- Department of Polymer Science and Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea +821077087847
- Department of Mechanical Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea
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5
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Wang Y, Piao J, Ren J, Feng T, Wang Y, Liu W, Dong H, Chen W, Jiao C, Chen X. Simultaneously improving the hydrophobic property and flame retardancy of aluminum hypophosphite using rare earth based coupling agent for epoxy composites. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Yaofei Wang
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Junxiu Piao
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Jinyong Ren
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Tingting Feng
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Yaxuan Wang
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Wei Liu
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Huixin Dong
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Wenjiao Chen
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Chuanmei Jiao
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
| | - Xilei Chen
- College of Environment and Safety Engineering Qingdao University of Science and Technology Qingdao Shandong People's Republic of China
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6
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Cui H, Chang Y, Cao J, Jiang X, Li M. Liver immune and lipid metabolism disorders in mice induced by triphenyl phosphate with or without high fructose and high fat diet. CHEMOSPHERE 2022; 308:136543. [PMID: 36150489 DOI: 10.1016/j.chemosphere.2022.136543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/25/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Organophosphorus flame retardants (OPFRs) are frequently detected in food and human samples, and epidemiological studies have found that human exposure to aryl-OPFRs (triphenyl phosphate, TPP) is associated with lipid metabolism. Although toxicity studies suggest a potential obesity risk from TPP exposure, the molecular mechanism remains unclear. This study investigated the subchronic dietary effects on mouse liver significantly changed proteins (SCPs) and elucidated the underlying molecular mechanisms of TPP with or without a high-fructose and high-fat (HFF) diet. Male C57BL/6J mice were exposed to low-dose TPP (corresponding to the oral reference dose, 10 μg/kg body weight (bw)/day) and high-dose TPP (1000 μg/kg bw/day) for 12 weeks. The results showed that exposure to TPP generated changes of liver function and organelle damage as well as increases in total cholesterol and triglyceride levels. TPP exposure at a low dose damaged the liver immune system via major histocompatibility complex-related proteins involved in antigen processing and presentation. TPP exposure at a high dose caused disorders of the biosynthesis of unsaturated fatty acids and steroid hormones, thereby inducing lipid accumulation in the liver. Although 10 μg/kg TPP did not cause serious lipid metabolism disorders in the liver, significant overexpression of fatty acid-binding protein 5, malic enzyme 1, and other related SCPs was observed, which led to disorders of cholesterol metabolism and lipogenesis to activate the proliferator-activated receptor signaling pathway and thus induced potential obesity risks. In addition, lipid metabolism disorders related to TPP were aggravated under the HFF diet, impairing liver mitochondrial and endoplasmic reticulum function in mice by altering the activity of cytochrome P450 enzyme subfamilies. These findings provide an in-depth understanding of the molecular toxicity mechanisms and health risks associated with subchronic exposure to TPP under different dietary regimes.
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Affiliation(s)
- Haiyan Cui
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Yeqian Chang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Jing Cao
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Xiaofeng Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China
| | - Mei Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing, 210023, China.
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7
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Chen M, Zheng M, Zhang L, Xu Y, Zhang X, Chen W. Correlation between structural evolution and rheological properties for polycarbonate in the molten state. J Appl Polym Sci 2022. [DOI: 10.1002/app.53418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Mengdi Chen
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Mingfu Zheng
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Lu Zhang
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Yunsheng Xu
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Xianming Zhang
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Wenxing Chen
- National Engineering Laboratory for Textile Fiber Materials and Processing Technology (Zhejiang), School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
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8
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Song X, Xu D, Luo Z, Wang B. A silicone diphenylsulfonate for improving the flame retardancy of polycarbonate. J Appl Polym Sci 2022. [DOI: 10.1002/app.53152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaoqing Song
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou People's Republic of China
| | - Dehuan Xu
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou People's Republic of China
| | - Zhonglin Luo
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou People's Republic of China
| | - Biaobing Wang
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou People's Republic of China
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9
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Jiang Q, Luo Z, Wang B. A phosphorous/nitrogen/silicon containing diphenylphosphoramide silicon oil toward effective flame retardancy for polycarbonate with comparable mechanical properties. J Appl Polym Sci 2022. [DOI: 10.1002/app.51755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Qing Jiang
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou China
| | - Zhonglin Luo
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou China
| | - Biaobing Wang
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou University Changzhou China
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10
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Feng H, Li D, Cheng B, Song T, Yang R. A cross-linked charring strategy for mitigating the hazards of smoke and heat of aluminum diethylphosphonate/polyamide 6 by caged octaphenyl polyhedral oligomeric silsesquioxanes. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127420. [PMID: 34736179 DOI: 10.1016/j.jhazmat.2021.127420] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/19/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
Aluminum diethylphosphonate (ADP) is a highly efficient phosphorus-based flame retardant, widely used in polyamide 6 (PA6). However, ADP/PA6 releases large amounts of heat and smoke under high heat flux, which commonly means serious hazards to life and property. Octaphenyl polyhedral oligomeric silsesquioxanes (OPS) is an organic-inorganic hybrid silicon compound, playing flame retardant role in condensed phase. In this work, combustion behaviors of OPS/ADP/PA6 were investigated by limited oxygen index (LOI), UL94 and cone calorimeter (CONE) tests. The LOI and UL94 rating results did not change obviously, while the CONE data and smoke density data showed the synergistic effect of OPS and ADP in PA6. For 2.5%OPS/7.5%ADP/PA6, the peak values of heat, smoke and CO release rate (pk-HRR, pk-RSR, Ds, max with/without pilot flame and pk-COP) decreased by 60.2%, 82.1%, 45.9%/38.3% and 80.4% respectively, compared with 10%ADP/PA6. Moreover, 2.5%OPS/7.5%ADP/PA6 produced 337.5% more residue than 10%ADP/PA6. TGA, TG-IR, SEM-EDS, XPS and py-GC/MS were used to further explore the synergistic mechanism of OPS and ADP. It was verified that the cross-linked charring strategy apparently has weakened the hazards of smoke and heat of PA6. This work proposed a possible technical approach to solve both fire risk and heat/smoke hazards of PA6.
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Affiliation(s)
- Haisheng Feng
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 South, Zhongguancun Street, Haidian District, 100081 Beijing, PR China; School of Fire Protection Engineering, China People's Police University, 220 Xichang Road, Anci District, 065000 Langfang, PR China
| | - Dinghua Li
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 South, Zhongguancun Street, Haidian District, 100081 Beijing, PR China.
| | - Bo Cheng
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 South, Zhongguancun Street, Haidian District, 100081 Beijing, PR China
| | - Tinglu Song
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 South, Zhongguancun Street, Haidian District, 100081 Beijing, PR China
| | - Rongjie Yang
- National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, 5 South, Zhongguancun Street, Haidian District, 100081 Beijing, PR China.
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11
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Kim Y, Lee S, Yoon H. Fire-Safe Polymer Composites: Flame-Retardant Effect of Nanofillers. Polymers (Basel) 2021; 13:540. [PMID: 33673106 PMCID: PMC7918670 DOI: 10.3390/polym13040540] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 12/20/2022] Open
Abstract
Currently, polymers are competing with metals and ceramics to realize various material characteristics, including mechanical and electrical properties. However, most polymers consist of organic matter, making them vulnerable to flames and high-temperature conditions. In addition, the combustion of polymers consisting of different types of organic matter results in various gaseous hazards. Therefore, to minimize the fire damage, there has been a significant demand for developing polymers that are fire resistant or flame retardant. From this viewpoint, it is crucial to design and synthesize thermally stable polymers that are less likely to decompose into combustible gaseous species under high-temperature conditions. Flame retardants can also be introduced to further reinforce the fire performance of polymers. In this review, the combustion process of organic matter, types of flame retardants, and common flammability testing methods are reviewed. Furthermore, the latest research trends in the use of versatile nanofillers to enhance the fire performance of polymeric materials are discussed with an emphasis on their underlying action, advantages, and disadvantages.
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Affiliation(s)
- Yukyung Kim
- R&D Laboratory: Korea Fire Institute, 331 Jisam-ro, Giheung-gu, Yongin-si, Gyeonggi-do 17088, Korea;
| | - Sanghyuck Lee
- Department of Polymer Engineering, Graduate School, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea;
| | - Hyeonseok Yoon
- Department of Polymer Engineering, Graduate School, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea;
- School of Polymer Science and Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea
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12
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Fan X, Cao X, Shang X, Zhang X, Huang C, Zhang J, Zheng K, Ma Y. A transparent cyclo-linear polyphenylsiloxane elastomer integrating high refractive index, thermal stability and flexibility. Polym Chem 2021. [DOI: 10.1039/d1py00688f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cyclo-linear structured transparent polyphenylsiloxane elastomer combining high refractive index, high thermal stability and superior flexibility was prepared by a one-pot hydrosilylation reaction.
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Affiliation(s)
- Xianpeng Fan
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
| | - Xinyu Cao
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xinxin Shang
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xianglan Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
| | - Cheng Huang
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jingnan Zhang
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Kun Zheng
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yongmei Ma
- Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Beijing National Laboratory for Molecular Sciences (BNLMS), China
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13
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Enhancement of the intumescent flame retardant efficiency in polypropylene by synergistic charring effect of a hypophosphite/cyclotetrasiloxane bi-group compound. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109281] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Liu Y, Xu B, Qian L, Chen Y, Qiu Y. Impact on flame retardancy and degradation behavior of intumescent flame‐retardant
EP
composites by a hyperbranched triazine‐based charring agent. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5055] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yanting Liu
- College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing PR China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing Technology and Business University Beijing PR China
| | - Bo Xu
- College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing PR China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing Technology and Business University Beijing PR China
| | - Lijun Qian
- College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing PR China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing Technology and Business University Beijing PR China
| | - Yajun Chen
- College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing PR China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing Technology and Business University Beijing PR China
| | - Yong Qiu
- College of Chemistry and Materials Engineering Beijing Technology and Business University Beijing PR China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing Technology and Business University Beijing PR China
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15
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Chen Y, Wu X, Qian L. Flame‐retardant behavior and protective layer effect of phosphazene‐triazine bi‐group flame retardant on polycarbonate. J Appl Polym Sci 2020. [DOI: 10.1002/app.49523] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yajun Chen
- School of Materials Science and Mechanical Engineering, Beijing Technology and Business University Beijing China
- Engineering Laboratory of non‐halogen flame retardants for polymers Beijing China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing China
| | - Xingde Wu
- School of Materials Science and Mechanical Engineering, Beijing Technology and Business University Beijing China
- Engineering Laboratory of non‐halogen flame retardants for polymers Beijing China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing China
| | - Lijun Qian
- School of Materials Science and Mechanical Engineering, Beijing Technology and Business University Beijing China
- Engineering Laboratory of non‐halogen flame retardants for polymers Beijing China
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics Beijing China
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16
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Zhu J, Shentu X, Xu X, Zheng A, Guan Y, Wei D. Preparation of graphene oxide modified glass fibers and their application in flame retardant polyamide 6. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.4898] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiawen Zhu
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
| | - Xuanyu Shentu
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
| | - Xiang Xu
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
| | - Anna Zheng
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
| | - Yong Guan
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
| | - Dafu Wei
- School of Materials Science and Engineering, Shanghai Key Laboratory of Advanced Polymeric MaterialsEast China University of Science and Technology Shanghai China
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