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Influence of KH550 Grafting Density on Surface of Nano-SiO2 on Mechanical Properties and Thermal Stability of Modified Cellulose Insulating Paper
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Lu YANG1, Kai PANG2, Dong WANG2, Peng SUN2, Qinpan QIU1, Chao TANG1
Insulating Materials | 2021, 54(1) : 25 - 30
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Insulating Materials | 2021, 54(1): 25-30
• Material Research •
Influence of KH550 Grafting Density on Surface of Nano-SiO2 on Mechanical Properties and Thermal Stability of Modified Cellulose Insulating Paper
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Lu YANG1, Kai PANG2, Dong WANG2, Peng SUN2, Qinpan QIU1, Chao TANG1
Affiliations
  • 1College of Engineering and Technology, Southwest University, Chongqing 400700, China
  • 2Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450000, China
Published: 2021-01-20 doi: 10.16790/j.cnki.1009-9239.im.2021.01.005
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In order to improve the mechanical properties and thermal stability of cellulose insulating paper, the nano-SiO2, surface modified by KH550, was doped into cellulose insulating paper. The nano-SiO2/cellulose composite models with different grafting density were established through molecular simulation, and their mechanical properties, mean square displacement, cohesive energy density, solubility parameter, and radial distribution function were calculated and analyzed. The results show that when the grafting density of KH550 is 12.5%, the nano-SiO2/cellulose composite system has optimum deformation resistance, large cohesive energy density and solubility parameter.

silane coupling agent KH550  /  cellulose insulating paper  /  nano-SiO2  /  grafting density
Lu YANG, Kai PANG, Dong WANG, Peng SUN, Qinpan QIU, Chao TANG. Influence of KH550 Grafting Density on Surface of Nano-SiO2 on Mechanical Properties and Thermal Stability of Modified Cellulose Insulating Paper[J]. Insulating Materials, 2021 , 54 (1) : 25 -30 . DOI: 10.16790/j.cnki.1009-9239.im.2021.01.005
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.01.005
  • Receive Date：2020-04-27
  • Online Date：2026-01-26
  • Published：2021-01-20
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History
  • Received：2020-04-27
  • Revised：2020-06-30
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    1College of Engineering and Technology, Southwest University, Chongqing 400700, China
    2Electric Power Research Institute of State Grid Henan Electric Power Company, Zhengzhou 450000, 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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