文章摘要
Research Status of Reducing Heat Build-up of NR-based Composites for Loadwheel
Received:December 02, 2020  Revised:December 02, 2020
DOI：10.12136/j.issn.1000-890X.2021.03.0227
Key Words: cross-linked structure; carbon black; silica; silane coupling agent; new carbon materials; heat buildup; dynamic mechanical properties
Author NameAffiliationE-mail
ZHANG Huan* Beijing Research and Design Institute of Rubber Industry Co.,Ltd HuanZhang0623@163.com 
CAI Qing Beijing Research and Design Institute of Rubber Industry Co.,Ltd  
JI Meiqin Beijing Research and Design Institute of Rubber Industry Co.,Ltd  
ZHANG Xingdong Beijing Research and Design Institute of Rubber Industry Co.,Ltd  
SUN Zongxue Beijing Research and Design Institute of Rubber Industry Co.,Ltd  
ZHANG Xiaolian Marine Chemical Research Institute Co.，Ltd  
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Abstract:
      The basic mechanism and characterization of heat build-up of natural rubber （NR）-based composites for loadwheel were summarized in this paper，and the research status of the influence of crosslinking structure and filler（including carbon black，modified silica by silane coupling agent，new carbon material such as graphene oxide and multi-wall carbon nanotubes） on the heat build-up of the composites was mainly introduced. It was pointed out that partial replacement of carbon black by new carbon materials and preparation of new carbon material masterbatch by the latex co-precipitation method were conducive to uniformly dispersing the new carbon materials in NR-based composite materials，effectively improving the strength of NR-based composite materials while reducing its heat build-up. The production cost of new carbon material was high，so it was necessary to further explore simple methods for large scale production and dispersing process of new carbon materials to develop NR-based composites with high strength and low heat build-up which could be industrially produced and applied to loadwheel.
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