三啮镍配合物的合成、结构及催化降冰片烯活性研究Syntheses and Structures of Metal Nickel(Ⅱ) Complexes Supported by Tridentate Ligand and Studies on Catalysis for Norbornene Polymerization
柯志聪;胡丽姗;俞颖华;陈建新;余友谊;张治纯;
摘要(Abstract):
合成含2-氨基苯基二苯基膦水杨醛配体(三啮P^N^O配体)的3个后过渡金属镍配合物催化剂;采用元素分析、红外光谱和单晶衍射实验等方法对配合物的结构进行表征;研究了配合物对降冰片烯聚合的催化活性和影响因素.实验表明,在以甲基铝氧烷(MAO)为助催化剂时,配合物对降冰片烯聚合显示出良好的催化活性;聚合产物呈现良好的热稳定性和较为粗糙的表面形态.
关键词(KeyWords): 聚烯烃;三啮;水杨醛;后过渡金属;镍;降冰片烯;甲基铝氧烷
基金项目(Foundation): 教育部科学技术研究重点项目(208066);; 福建省自然科学基金资助项目(2010J01026);; 福建省教育厅重点项目(JA07029);; 结构化学国家重点实验室资助项目(20080053)
作者(Authors): 柯志聪;胡丽姗;俞颖华;陈建新;余友谊;张治纯;
参考文献(References):
- [1]Johnson L K,Killian C M.New Pd(Ⅱ)and Ni(Ⅱ)-based catalysts for polymerization of ethylene andα-olefins[J].J Am Chem Soc,1995,117(23):6414-6415.
- [2]Johnson L K,Mecking S,Brookhart M.Copolymerization of ethylene and propylene with functionalized vinylmonomers by palladium(Ⅱ)catalysts[J].J Am Chem Soc,1996,118(1):267-268.
- [3]Pravat Bhattacharyya,Jonathan,Parr Alexandra,et al.Synthesis of new heterotridentate ligands comprising mixedhard-soft donor sets,and their complexation with group 10metal[J].J Chem Soc,Dalton Trans,1998(21):3609-3614.
- [4]Gao H Y,Guo W J,Bao F,et al.Synthesis,molecular structure,and solution-dependent behavior of nickelcomplexes chelating anilido-imine donors and their catalytic activity toward olefin polymerization[J].Organometal-lics,2004,23(26):6273-6280.
- [5]Wang H Y,Meng X,Jin G X.Synthesis,molecular structure and norbornene polymerization behavior of three-coordinate nickel(I)complexes with chelating anilido-imine ligands[J].Dalton Trans,2006(21):2579-2585.
- [6]Chang F,Zhang D H,Xu G Y,et al.Synthesis and characterization of new bis(1-aryliminomethylenylnaphthalen-2-oxy)nickel complexes and their catalytic behavior for vinyl polymerization of norbornene[J].Journal ofOrganomet Chem,2004,689(5):936-946.
- [7]Yang H J,Sun W H,Chang F,et al.Vinyl-polymerization of norbornene catalyzed by bis-[N-(substitutedmethyl)-salicylideneiminato]nickel/MAO system[J].Applied Catalysis A:General,2003,252(2):261-267.
- [8]Wang H Y,Jin G X.Highly active neutral nickel(Ⅱ)complexes bearing P,N-chelate ligands:synthesis,characterization and their application to addition polymerization of norbornene[J].Eur J Inorg Chem,2005(9):1665-1670.