文章摘要
Influence of Thermal Conductivities and Interlayer Contact Thermal Resistances of Carbon Filler/NR Composites on Microwave Heating Effect
Received:March 09, 2022  Revised:March 09, 2022
DOI：10.12136/j.issn.1000-890X.2024.04.0287
Key Words: carbon filler；NR；microwave heating；thermal conductivity；interlayer contact thermal resistance；temperature distribution
Author NameAffiliationE-mail
XU Yudong Qingdao University of Science and Technology xyd15621007430@163.com 
MU Bingzhen Qingdao University of Science and Technology  
LIU Mengqi Qingdao University of Science and Technology  
CHEN Hailong* Qingdao University of Science and Technology chlqust@163.com 
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Abstract:
      Carbon black/natural rubber（NR），graphene/NR and carbon nanotubes/NR composites were prepared，and the effects of the thermal conductivities and interlayer contact resistances of the composites on microwave heating were studied by combining experimental and numerical simulation methods.The results show that the higher the thermal conductivities of carbon black，graphene and carbon nanotubes were，the higher the thermal conductivities of the composites were，and the lower the interlayer contact thermal resistances were.Increasing the filler amounts to increase the thermal conductivities of the composites and reduce the interlayer contact thermal resistances had certain limitations，and the applicability and economy of the composite formulation design needed to be considered.The thermal conductivities of the composites had little effect on the distribution patterns of high and low temperature regions and microwave heating efficiencies during the microwave heating process，however，the temperature distribution uniformities of the composites were significantly affected by the thermal conductivities.In order to ensure the uniformity of microwave heating vulcanization，the interlayer contact thermal resistances of multilayer composites could not be ignored.
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