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测试与分析 蒋延华 等·低锌硫化助剂在橡胶工业中的应用现状与发展前景

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望和生命力。

Application status and development prospects of low zinc vulcanization
additives in rubber industry

Jiang Yanhua, Lu Dandan, Zheng Tao*

(Shandong Fengyuan Tire Manufacturing Co.LTD., Zaozhuang 277300, Shandong, China)
Abstract: This article compares the key physical and chemical indexes and zinc content of low zinc
vulcanization additivess, indirect zinc oxide and nano zinc oxide, and compares the application of the three in
semi-steel tire tread compounds. The vulcanization characteristics, physical properties, aging properties, etc.
of the rubber compounds were tested comprehensively. The results show that low zinc vulcanization additives
can extend the scorch time of the compounds, improve the processing safety of the compounds, and
shorten the vulcanization time; In terms of physical properties, its wear performance was significantly better
than traditional active agents, and other physical properties and related properties were basically the same;
In terms of heat aging resistance, the contribution of low zinc vulcanization additives to the performance
retention rate of vulcanized rubber after aging are better than traditional active agents. This study shows that
low zinc vulcanization additives are a very ideal upgrade replacement product for traditional zinc oxide.
Under the premise of maintaining and improving the performance of the rubber compound, its excellent
environmental performance with low zinc and low heavy metal content will bring new hope and vitality to the
global tire and rubber industry.
Key words: low zinc vulcanization additives; rubber; semi-steel; tread rubber
(R-11)

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2020 第 46 卷 ·45·