合成了β-酮亚胺和苯氧基亚胺杂配钛配合物5.以MS,1HNMR表征了配体及配合物.配合物5经MAO(甲基铝氧烷)活化,在甲苯中成功催化乙烯聚合.在25℃,铝/钛摩尔比为2000,0.1MPa下,催化活性达3.2×105 g PE/(mol·Ti·hr).所得聚乙烯粘均分子量可达1.4×105 g/mol,分子量分布为2.95.反应压力从0.1MPa提高到0.6MPa时,催化体系活性增加1倍,聚乙烯粘均分子量下降.
参考文献
| [1] | Small BL.;Bennett AMA.;Brookhart M. .Highly active iron and cobalt catalysts for the polymerization of ethylene[J].Journal of the American Chemical Society,1998(16):4049-4050. |
| [2] | Gibson V C;Spitzmesser SK .[J].Chemical Reviews,2003,103(01):283-316. |
| [3] | Yue-Sheng Li;Yan-Rong Li;Xiao-Fang Li.[J].Journal of Organometallic Chemistry,2003(667):185-191. |
| [4] | Haiyang Gao;Wenjuan Guo;Feng Bao;Junkai Zhang;Qing Wu .Synthesis,Molecular Structure,and Solution-Dependent Behavior of Nickel Complexes Chelating Anilido-Imme Donors and Their Catalytic Activity toward Olefin Polymerization[J].Organometallics,2004(26):6273-6280. |
| [5] | Zhang D.;Jin GX. .Novel, highly active binuclear 2,5-disubstituted Amino-p-benzoquinone-nickel(II) ethylene polymerization catalysts[J].Organometallics,2003(14):2851-2854. |
| [6] | Junquan Sun;Yuhua Shan;Yongjin Xu et al.[J].Journal of POLYMER SCIENCE PART A:POLYMER CHEMISTRY,2004,42(23):6071-6080. |
| [7] | Sun WH.;Yang HJ.;Li ZL.;Li Y. .Vinyl polymerization of norbornene with neutral salicylaldiminato nickel(II) complexes[J].Organometallics,2003(18):3678-3683. |
| [8] | 徐永进,孙俊全,单玉华,王临才.3-烯丙基-5-氯水杨醛亚胺镍系催化剂催化乙烯聚合研究[J].高分子学报,2004(05):656-660. |
| [9] | Fujita T;Mitani M;Matsui S;Seito 5,Nifabaru M,Sugi K,Makio H,Tsutsui T .[J].Chemical Abstracts,1998,129:1081. |
| [10] | Yasuhiko Suzuki;Toshiyuki Oshiki;Hidetsugu Tanaka;Kazuhiko Takai;Terunori Fujita .A Novel Heteroligated Phenoxy-based Titanium Complex:Structure,Stability,and Ethylene Polymerization Behavior[J].Chemistry Letters,2005(10):1458-1459. |
| [11] | Xiao-Fang Li;Ke Dai;Wei-Ping Ye;Li Pan;Yue-Sheng Li .New Titanium Complexes with Two beta-Enaminoketonato Chelate Ligands: Syntheses,Structures,and Olefin Polymerization Activities[J].Organometallics,2004(6):1223-1230. |
| [12] | He XH.;Yao YZ.;Luo X.;Zhang JK.;Liu YH.;Zhang L.;Wu Q. .Nickel(II) complexes bearing N,O-chelate ligands: Synthesis, solid-structure characterization, and reactivity toward the polymerization of polar monomer[J].Organometallics,2003(24):4952-4957. |
| [13] | Woo-Kyu Kim;Michael J Fevola;Louise M.[J].Theopold Organometallics,1998(17):4541-4543. |
| [14] | Yasuhiko Suzuki;Hiroshi Terao.Terunori Fujita Bull[J].Chemistry Society of Japan,2003(76):1493-1517. |
| [15] | Dale A Pennington;Ross W Harrington;William Clegg.[J].Journal of Organic Chemistry,2006(691):3183-3188. |
| [16] | Boatman S;Hauser C R .[J].Journal of Organic Chemistry,1966,31(06):1785-1789. |
| [17] | Rieko Furuyama;Junji Saito;Sei-ichi Ishii et al.[J].Terunori Fujit J Mol Catal,2003,200(1-2):31-42. |
| [18] | Francis P S;Cooke R C J r;Elliott J H.[J].Journal of Polymer Science,1958(31):453-466. |
| [19] | Dale A.Pennington;William Clegg;Simon J.Coles;Ross W.Harrington;Michael B.Hursthouse;David L.Hughes;Mark E.Light;Mark Schormann;Manfred Bochmann;Simon J.Lancaster .The synthesis,structure and ethene polymerisation catalysis of mono(salicylaldiminato) titanium and zirconium complexes[J].Dalton transactions: An international journal of inorganic chemistry,2005(3):561-571. |
| [20] | Kaminsky W;Bark A;Steiger R .[J].Journal of Molecular Catalysis,1992,74:109-119. |
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