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Preparation and properties of new ceramifiable intumescent fire protection coatings
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Jianting HONG1, Tong AN1, Zechao CHEN1, Liqi LIU1, Yuqing PENG1, Aijun LI1, Mengxin XU3, Jinhe WANG2
Insulating Materials | 2024, 57(11) : 79 - 86
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Insulating Materials | 2024, 57(11): 79-86
• Special Issue on Key Materials and Technology for New Energy Vehicles •
Preparation and properties of new ceramifiable intumescent fire protection coatings
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Jianting HONG1, Tong AN1, Zechao CHEN1, Liqi LIU1, Yuqing PENG1, Aijun LI1, Mengxin XU3, Jinhe WANG2
Affiliations
  • 1School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
  • 2College of Sciences, Shanghai University, Shanghai 200444, China
  • 3Qingdao Gaoxin Chengwei Industry Co., Ltd., Qingdao 266000, China
Published: 2024-11-20 doi: 10.16790/j.cnki.1009-9239.im.2024.11.009
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A new type of ceramifiable intumescent fire protection coating was prepared by using epoxy resin as the matrix, ammonium polyphosphate as the flame retardant, zinc borate as the flux, and raw vermiculite powder and wollastonite as the refractory fillers. The effects of the compound of four fillers on the properties of ceramifiable intumescent fire protection coating were studied by scanning electron microscope (SEM) and fire resistance test. The results show that ammonium polyphosphate can significantly improve the expansion multiplication rate and thermal insulation performance, zinc borate can effectively enhance the strength and density of the charcoal layer, and raw vermiculite powder and wollastonite can enhance the burn-resistant performance of the charcoal layer and increase the fire resistance time limit at high temperature. When the mass ratio of ammonium polyphosphate, raw vermiculite, zinc borate, and wollastonite is 11∶5∶6∶10, the tensile shear strength is 7.8 MPa, the refractory performance is the best, the fire resistance time limit reaches 10 min, the maximum backsheet temperature is 393℃, and the charcoal layer after burning can withstand a voltage of 1.0 kV.

ceramifiable  /  intumescent  /  fire protection coating
Jianting HONG, Tong AN, Zechao CHEN, Liqi LIU, Yuqing PENG, Aijun LI, Mengxin XU, Jinhe WANG. Preparation and properties of new ceramifiable intumescent fire protection coatings[J]. Insulating Materials, 2024 , 57 (11) : 79 -86 . DOI: 10.16790/j.cnki.1009-9239.im.2024.11.009
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2024.11.009
  • Receive Date：2024-01-23
  • Online Date：2025-12-24
  • Published：2024-11-20
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  • Received：2024-01-23
  • Revised：2024-03-03
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Affiliations
    1School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
    2College of Sciences, Shanghai University, Shanghai 200444, China
    3Qingdao Gaoxin Chengwei Industry Co., Ltd., Qingdao 266000, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2024.11.009
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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