LIGAND EFFECT OF CATALYTIC SYSTEM WCl_6-Et_2Al FOR RING OPENING METATHESIS POLYMERIZATION OF DICYCLOPENTADIENE  

作　　者：Li Hong Wang Zheng He Binglin 

机构地区：[1]The State Key Laboratory of Functional Polymeric Materials for Adsorption and Separation, Institute of Polymer Chemistry, Nankal University, Tianjin 300071, P. R. China

出　　处：《Chinese Journal of Reactive Polymers》1997年第1期1-8,共8页中国反应性高分子（英文版）

摘　　要：Ligand effect of the catalytic system WCl6-Et2AlCl for ring opening metathesis polymerization (ROMP) of dicyclopentadiene (DCPD) was investigated. The experimental results show that adding sterically hindered phenol-2. 6-di-tert-butylcresylol(DTBC) in the catalytic system not only can obviously increase the monomer conversion of polymerization but also improve the mechanical properties, such as notched impact strength (NIS), tensile strength (TS) ect. 5 of the synthesized polyicycolpentadiene (PDCPD). A similar effect can be observed by using a sterically hindered polymeric phenol - linear phenol formaldehyde resin (LPF) as a ligand.Ligand effect of the catalytic system WCl6-Et2AlCl for ring opening metathesis polymerization (ROMP) of dicyclopentadiene (DCPD) was investigated. The experimental results show that adding sterically hindered phenol-2. 6-di-tert-butylcresylol(DTBC) in the catalytic system not only can obviously increase the monomer conversion of polymerization but also improve the mechanical properties, such as notched impact strength (NIS), tensile strength (TS) ect. 5 of the synthesized polyicycolpentadiene (PDCPD). A similar effect can be observed by using a sterically hindered polymeric phenol - linear phenol formaldehyde resin (LPF) as a ligand.

关 键 词：Ring opening metathesis polymerization  Polydicyclopentadiene Tungsten  Dicyclopentadiene 

分 类 号：TQ316.3[化学工程—高聚物工业] O631[理学—高分子化学]