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Preparation of Solid Acid Materials from Kaolinite and Its Effect on Flame-Retardancy of Polypropylene Composite
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Wufei TANG1, Xiaoyu GU2, Sheng ZHANG2
Journal of the Chinese Ceramic Society | 2020, 48(10) : 1552 - 1558
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Journal of the Chinese Ceramic Society | 2020, 48(10): 1552-1558
Preparation of Solid Acid Materials from Kaolinite and Its Effect on Flame-Retardancy of Polypropylene Composite
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Wufei TANG1, Xiaoyu GU2, Sheng ZHANG2
Affiliations
  • 1.College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425199, Hunan, China
  • 2.College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China

    • TANG Wufei (1987-), male, Ph.D., Senior Engineer. E-mail:

About Author:

TANG Wufei (1987-), male, Ph.D., Senior Engineer. E-mail:

Published: 2020-10-20 doi: 10.14062/j.issn.0454-5648.20200087
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Solid acid materials (A-K) were prepared via calcination of kaolinite (K) and successive acid treatment. The structure of products was characterized by X-ray diffraction (XRD) and scanning electronic microscopy (SEM). A-K was then introduced into polypropylene (PP) composites to further enhance the flame retardancy. The flammability and mechanical properties were evaluated by limiting oxygen index, vertical burning test, cone calorimetry and universal test. The results show that the peak heat release rate for PP composite with a loading A-K (0.5%-3.0%, in mass fraction] can reduce from 1 474 kW/m2 of neat PP to 177 kW/m2.

kaolinite  /  solid acid  /  polypropylene  /  flame retardancy
唐武飞, 谷晓昱, 张胜. 高岭石基固体酸材料制备及其对聚丙烯复合材料阻燃性能影响. 硅酸盐学报, 2020 , 48 (10) : 1552 -1558 . DOI: 10.14062/j.issn.0454-5648.20200087
Wufei TANG, Xiaoyu GU, Sheng ZHANG. Preparation of Solid Acid Materials from Kaolinite and Its Effect on Flame-Retardancy of Polypropylene Composite[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (10) : 1552 -1558 . DOI: 10.14062/j.issn.0454-5648.20200087
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Year 2020 volume 48 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20200087
  • Receive Date：2020-02-20
  • Online Date：2026-10-29
  • Published：2020-10-20
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  • Received：2020-02-20
  • Revised：2020-04-14
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Affiliations
    1.College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425199, Hunan, China
    2.College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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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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