The well-defined Al-alkyl borate(AAB)salt{[iBu_(2)(PhNMe_(2))Al]_(2)(μ-H)}^(+)[B(C_(6)F_(5))_(4)]^(-)(AlHAl)has been recently identified as a promising“complete”cocatalyst for olefin polymerization.Herein,we explor...The well-defined Al-alkyl borate(AAB)salt{[iBu_(2)(PhNMe_(2))Al]_(2)(μ-H)}^(+)[B(C_(6)F_(5))_(4)]^(-)(AlHAl)has been recently identified as a promising“complete”cocatalyst for olefin polymerization.Herein,we explore structural variations of AlHAl obtained by replacing the PhNMe_(2)(DMA)donor with a variety of anilines,amines,and N-heterocycles.Of the 18 investigated N-donors,twelve provided stable AAB salts;these were tested as cocatalysts in ethylene/1-hexene copolymerization with an archetypical metallocene catalyst.展开更多
基金forms part of the research program of DPI(project 857)Part of this work has been funded by the European Union-NextGenerationEU under the Italian Ministry of University and Research(MUR)National Innovation Ecosystem grant ECS00000041-VITALITY.We acknowledge Universitàdegli Studi di Perugia and MUR for support within the project Vitality+1 种基金A.M.and C.Z.thank the“FASTTO0”project(CUP J93C22000330006)funded through the Italian Ministry of Environment and Energy Security.The authors thank Dr Martina Landrini for support with crystallographic determinations.F.Z.thanks the Federico II University of Naples and PON-Ricerca e Innovazione(DM 1062)for a research fellowship。
文摘The well-defined Al-alkyl borate(AAB)salt{[iBu_(2)(PhNMe_(2))Al]_(2)(μ-H)}^(+)[B(C_(6)F_(5))_(4)]^(-)(AlHAl)has been recently identified as a promising“complete”cocatalyst for olefin polymerization.Herein,we explore structural variations of AlHAl obtained by replacing the PhNMe_(2)(DMA)donor with a variety of anilines,amines,and N-heterocycles.Of the 18 investigated N-donors,twelve provided stable AAB salts;these were tested as cocatalysts in ethylene/1-hexene copolymerization with an archetypical metallocene catalyst.
