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| 橡胶用沉淀法白炭黑的现状与发展趋势 |
| Status and Development Trends of Precipitated Silica for Rubber |
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| DOI： |
| 中文关键词: 沉淀法白炭黑；分散性；聚集结构 |
| 英文关键词: precipitated silica； dispersion； aggregation structure |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | | ZHOU Jun | Jiangsu Sinorgchem Technology Co.， Ltd. | | CHEN Xinmin | Jiangsu Sinorgchem Technology Co.， Ltd. |
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| 中文摘要: |
| 介绍橡胶用沉淀法白炭黑的现状和发展趋势。沉淀法白炭黑聚集结构的控制方式有添加表面活性剂、用合适的酸作沉淀剂、二次法沉淀和减少白炭黑表面羟基等。沉淀法白炭黑分散性的测试方法有光学显微镜法和粒径分布测定法。轮胎用白炭黑主要为易分散性白炭黑和高分散性白炭黑。白炭黑产业未来的发展方向是淘汰落后产能，开发补强性和分散性更好的新品种，尤其是能显著降低轮胎滚动阻力的高分散性沉淀法白炭黑。 |
| 英文摘要: |
| The present status and development trends of precipitated silica for rubber are presented. Currently， the aggregation structure of precipitated silica is controlled by adding surfactant， using suitable acid as the precipitating agent， using secondary precipitation method and reducing the number of surface hydroxyl groups. The test methods on the structure of precipitated silica are optical microscopy and particle size distribution measurement method. The silica for tire compounds is mainly the easily dispersed silica and highly dispersed silica. The future direction of the silica industry is to develop the new silica with better reinforcement and dispersion， especially the highly dispersed precipitated silica which can significantly reduce tire rolling resistance. |
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