Olefin polymerization and copolymerization by complexes bearing [ONNO]-Type salan ligands: Effect of ligand structure and metal type (titanium, zirconium, and vanadium)
作者:Marzena Białek、Monika Pochwała、Grzegorz Spaleniak
DOI:10.1002/pola.27218
日期:2014.8.1
A series of novel titanium(IV) complexes bearing tetradentate [ONNO] salan type ligands: [Ti2,2′‐(OC6H3‐5‐t‐Bu)2‐NHRNH}Cl2] (Lig1TiCl2: R = C2H4; Lig2TiCl2: R = C4H8; Lig3TiCl2: R = C6H12) and [Ti2,2′‐(OC6H2‐3,5‐di‐t‐Bu)2‐NHC6H12NH}Cl2] (Lig4TiCl2) were synthesized and used in the (co)polymerization of olefins. Vanadium and zirconium complexes: [M2,2′‐(OC6H3‐3,5‐di‐t‐Bu)2‐NHC6H12NH}Cl2] (Lig4VCl2:
一系列新颖的钛(IV)络合物的四齿轴承[ONNO]萨兰型配体:[钛2,2' - (OC 6 H ^ 3 -5-吨-Bu)2 -NHRNH}氯2 ](LIG 1的TiCl 2:R = C 2 H 4; Lig 2 TiCl 2:R = C 4 H 8; Lig 3 TiCl 2:R = C 6 H 12)和[Ti 2,2′-(OC 6 H 2 -3,5二-吨-Bu)2 -NHC 6 H ^ 12 NH}氯2 ](Lig 4 TiCl 2)被合成并用于烯烃的(共)聚合。钒和锆配合物:[ μ2,2' - (OC 6 H ^ 3 -3,5-二吨-Bu)2 -NHC 6 H ^ 12 NH}氯2 ](LIG 4的VCl 2:M = V;还合成了Lig 4 ZrCl 2:M = Zr)用于比较研究。在MAO和/或Al(i- Bu)3 / [Ph 3 C] [B(C 6 F )活化后,所有络合物在1-辛烯聚合反应中均具有活性5)4