Si-C-N陶瓷前驱体聚硅氮烷合成的研究进展  

Progress of study in the synthesis of polysilazane as Si-C-N ceramic precursor

作　　者：孟凡君[1] 茹淼焱[1] 刘爱祥[1] 刘宗林[1] 

机构地区：[1]山东大学化学与化工学院,山东济南250100

出　　处：《有机硅材料》2003年第3期23-27,43,共6页Silicone Material

摘　　要：综述了合成Si-C -N陶瓷前驱体聚硅氮烷的主要方法 ,即氨 /胺解氯硅烷法、硅氮烷低聚物交联法、硅氮烷低聚物与氯硅烷反应法及氯硅氮烷和氯硅烷脱氯缩聚法 ,并介绍了用铝、硼、钛、钇等元素对聚硅氮烷进行改性 ,以提高Si-CThe methods of synthesising polysilazanes as Si C N ceramic precursors,i.e.ammonlysis and aminolysis of chlorosilanes,cross linking reaction of silazane oligomers,reaction of silazane oligomer and/with chlorosilane,dechlorinaton condensation between chlorsilazane and chlorasilane,were reviewed.In addition,The methods improved the performance of Si C N ceramics by modified polysilazane with elements as aluminum,boron,titanium and yttrium were introduced.

关 键 词：Si—C—N陶瓷 前驱体 聚硅氮烷 合成 研究进展 裂解 氯硅烷 

分 类 号：TQ174[化学工程—陶瓷工业]