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Study on Thermal Conductivity of MWCNTs/T-ZnOw Modified PVB Composites
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Yuchuan SUN, Jianlun ZHANG, Huan LIN, Shanshan ZHU
Insulating Materials | 2021, 54(7) : 31 - 36
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Insulating Materials | 2021, 54(7): 31-36
• Material Research •
Study on Thermal Conductivity of MWCNTs/T-ZnOw Modified PVB Composites
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Yuchuan SUN, Jianlun ZHANG, Huan LIN, Shanshan ZHU
Affiliations
  • School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
Published: 2021-07-20 doi: 10.16790/j.cnki.1009-9239.im.2021.07.004
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A MWCNTs/T-ZnOw/PVB composite was prepared via solution blending method by using multi-walled carbon nanotubes (MWCNTs) and zinc oxide whisker (T-ZnOw) as fillers and polyvinyl butyral (PVB) as matrix. The thermal diffusivity of the composite was measured by transient electro-thermal technique (TET). The effects of different mass fraction ratio of fillers, heat treatment time and temperature, and ultraviolet accelerated ageing on the thermal conductivity of the composite were investigated. The results show that under the same mass fraction of fillers, the thermal conductivity of the composite increases at first and then decreases with the increase of MWCNTs content. When the heat treatment time is 1 h, with the increase of the heat treatment temperature from 80℃ to 140℃, the thermal conductivity of the composite decreases at first and then increases. When the heat treatment temperature is 140℃, the thermal conductivity increases after heating for 1 h, but it decreases with the extension of heating time. When the composite is accelerated aged by ultraviolet irradiation, the thermal conductivity of the composite decreases with the increase of irradiation time.

multi-walled carbon nanotubes (MWCNTs)  /  zinc oxide whisker (T-ZnOw)  /  polyvinyl butyral (PVB)  /  composite  /  transient electro-thermal technology (TET)  /  thermal conductivity
Yuchuan SUN, Jianlun ZHANG, Huan LIN, Shanshan ZHU. Study on Thermal Conductivity of MWCNTs/T-ZnOw Modified PVB Composites[J]. Insulating Materials, 2021 , 54 (7) : 31 -36 . DOI: 10.16790/j.cnki.1009-9239.im.2021.07.004
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2021.07.004
  • Receive Date：2020-09-18
  • Online Date：2026-03-20
  • Published：2021-07-20
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  • Received：2020-09-18
  • Revised：2020-10-30
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    School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2021.07.004
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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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