Abstract: Organosiliconmaterials are widely applied in various fields due to their excellent properties, including moisture-proof, corrosion resistance, high and low temperature resistance, non-toxic and physiological inertia. However, the production process of organosilicon monomers will produce about 7% by-products, and they are mainly composed of organochlorosilane high-boiling residues with complex composition and low commercial value. Inflammable, pungent and strong corrosive organochlorosilane high-boiling residues are greatly harmful to our health and environment. With the increasing productivity of organosilicon monomer, the efficient utilization of organochlorosilane high-boiling residues has become a diffcult problem to be solved urgently. The recycle of organochlorosilane high-boiling residues is mainly achieved through the synthesis of organosilicon downstream products and organosilicon monomers by catalytic cracking method. The catalytic cracking process needs to break the Si-Si bond and Si-C-Si bond in the presence of catalysts and convert high-boiling residues into methylchlorosilane monomers by selecting a suitable blocking reagent. Lewis acids, organic amines, transition metal elements, activated carbon and molecular sieves are main catalysts for catalytic cracking, and their operating conditions and catalytic performance are different. The cracking ratio of organochlorosilane high-boiling residues can reach more than 99%. Nevertheless, the high operation cost and complex production technology limit the further industrial application and popularization. This review article offers a retrospection of research works with respect to the catalytic cracking materials for organochlorosilane high-boi-ling residues, and the materials include aluminum-based compounds, organic amines or quaternary ammonium salts, transition metals, molecular sieves or activated carbon and metallic phosphate catalysts. We have summarized the research status and problems of the above catalysts and analyzed the development prospects. It is expected to provide an available summary for development prospect of catalytic cracking industrialization.
作者简介: 韦岳长,中国石油大学(北京)理学院教授、博士研究生导师。2005年和2008年在济南大学分别获得学士学位和硕士学位,2012年7月在中国石油大学(北京)化学工程与技术专业取得博士学位,2015年在美国堪萨斯大学进行博士后研究工作。主要从事石油加工与利用过程中的环境催化研究,在新型高效致霾机动车尾气PM氧化消除催化剂和光催化还原CO2催化剂的设计、制备及其催化机理等方面取得突出的研究成果。近年来,在有环境催化领域发表论文140余篇,包括Energy & Environmental Science、Acs Catalysis、Applied Catalysis B:Environmental、Angewandte Chemie International Edition、Journal of the American Chemical Society和Journal of Catalysis等。 赖可溱,2019年6月毕业于湖南农业大学,获得理学学士学位。现为中国石油大学(北京)理学院硕士研究生,在韦岳长教授的指导下进行研究。目前主要研究领域为氯硅烷高沸物的催化裂解。
引用本文:
韦岳长, 赖可溱, 熊靖, 李远锋, 吴彤彤. 有机氯硅烷高沸物催化裂解材料研究进展[J]. 材料导报, 2021, 35(21): 21022-21027.
WEI Yuechang, LAI Kezhen, XIONG Jing, LI Yuanfeng, WU Tongtong. Research on Advances of Catalytic Cracking Materials for Organochlorosilane High-boiling Residues. Materials Reports, 2021, 35(21): 21022-21027.
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2021, Vol. 35 
