文章摘要
Preparation of Pyrolysis Carbon Black/Cellulose Nanocrystals Hybrid Powder and Its Application in NR
Received:October 20, 2022  Revised:November 08, 2022
DOI：10.12136/j.issn.1000-890X.2024.05.0330
Key Words: CBp；cellulose nanocrystal；hybrid powder；NR；waste tire
Author NameAffiliationE-mail
LIU Yabing Qingdao University of Science and Technology 1636512849@qq.com 
HU Jie Qingdao University of Science and Technology  
HU Jianhong PetroChina Jilin Petrochemical Company  
HOU Xiaoyu Qingdao University of Science and Technology  
DUAN Yongxin* Qingdao University of Science and Technology dyx@qust.edu.cn 
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Abstract:
      The amino-cellulose nanocrystals（CCP） and pyrolysis carbon black（CBp） were hybridized by ball milling，and CBp/CCP（CBC） hybrid slurry was spray-dried to obtain CBC hybrid powder，which was used to replace CBp for reinforcing natural rubber（NR）.The test results showed that，the uniform hybridization of CCP and CBp effectively inhibits the agglomeration of CCP and enhances the dispersion of CBp in the NR matrix.Benefitting from the crosslinking density improvement of NR/CBC composites，the synergistic reinforcement effect of CCP and CBp and the uniform dispersion of CBC hybrid powder in the NR matrix，the physical properties of NR/CBC composites were significantly improved.Compared with NR/CBp composite，the modulus at 300% elongation，tensile strength and tear strength of NR/CBC composite with CBC hybrid powder with a CBp/CCP mass ratio of 85/15 increased by 30.4%，14.9% and 75.7%，respectively，DIN abrasion decreased by 13.7%，and the compression temperature rise was reduced.The bio-based CCP was selected as a hybrid material to improve the quality of CBp by ball milling hybrid and spray drying，which provided possibility for the preparation of high-performance NR/CBp composites conveniently and was beneficial to promote the high value-added utilization of CBp and solve the pollution problem of waste tire.
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