聚烯烃嵌段共聚物技术的研究进展

Progresses in Olefin Block Copolymer Technology

综述了聚烯烃嵌段共聚物(OBC)的制备方法,包括链穿梭聚合法、活性聚合法、短周期停流聚合法和管式反应器技术。重点介绍了链穿梭聚合法的基本原理、催化体系及生产工艺,该方法在制备OBC产品方面具有很大的优势。介绍了OBC的表征方法、产品的性能及应用。对利用链穿梭聚合法制备OBC提出了展望。

The preparation methods for olefin block copolymers（OBC）,including chain shuttling polymerization,living polymerization,short-period stop-flow polymerization and tubular reactor technology,were reviewed in this article. The basic principle,catalyst systems and production technology of the chain shuttling polymerization were reported in detail,which would have great advantages for preparing the OBC products. Furthermore,the characterization,properties and applications of the OBC products were introduced. Finally,the prospect for the preparation of OBC via the chain shuttling polymerization was forecasted.