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作 者:王志彬 侯占峰[1] 刘显贞 顾兆磊 陈琪[1] WANG Zhibin;HOU Zhanfeng;LIU Xianzhen;GU Zhaolei;CHEN Qi(Qingdao University of Science and Technology,Qingdao 266042,China)
机构地区:[1]青岛科技大学高分子科学与工程学院,山东青岛266042
出 处:《橡胶工业》2025年第2期115-120,共6页China Rubber Industry
基 金:国家重点研发计划项目(2022YFD2301202)。
摘 要:以轻质碳酸钙为载体,制备氧化锌含量(质量分数)为30%,40%,50%和60%的核壳结构氧化锌,将核壳结构氧化锌与间接法氧化锌和活性氧化锌NC105进行对比,研究核壳结构氧化锌对天然橡胶(NR)胶料性能的影响及其在半钢子午线轮胎胎面胶中的应用。结果表明,氧化锌含量50%的核壳结构氧化锌与间接法氧化锌NR硫化胶和半钢子午线轮胎胎面胶的邵尔A型硬度、拉伸强度、拉断伸长率和撕裂强度相当,核壳结构氧化锌与活性氧化锌NC105胎面胶60℃时的损耗因子相差不大。核壳结构氧化锌胶料在减少氧化锌含量的同时性能保持不变或提升,达到了减锌提质的目的。Taking light calcium carbonate as a carrier,the core-shell structured zinc oxide with zinc oxide content(mass fraction)of 30%,40%,50%and 60%was prepared,and the effect of core-shell structured zinc oxide on the properties of natural rubber(NR)compounds and its application in tread compound of steel-belted radial tire were investigated by comparing the core-shell structured zinc oxide with the indirect zinc oxide and activated zinc oxide NC105.The results showed that the Shore A hardness,tensile strength,elongation at break and tear strength of NR vulcanizates and tread compound of steel-belted radial tire containing the core-shell structured zinc oxide with 50%zinc oxide content were comparable to those containing indirect zinc oxide.The loss factor at 60℃of the tread compound with the core-shell structured zinc oxide and active zinc oxide NC105 was not much different.The core-shell structured zinc oxide compound could reduce zinc oxide content while maintaining or improving performance,achieving the goal of zinc reduction and quality improvement.
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