［1］ SOZZANI P, BRACCO S, COMOTTI A, et al. Stoichiometric compounds of magnesium dichloride with ethanol for the supported ZieglerNatta catalysis: First recognition and multidimensional MAS NMR study ［J］. Journal of the American Chemical Society, 2003, 125(42): 12881-12893．
［2］ PUHAKKA E, PAKKANEN T T, PAKKANEN T A. Theoretical investigations on heterogeneous ZieglerNatta catalyst supports: stability of the electron donors at different coordination sites of MgCl2 ［J］. Journal of Physical Chemistry A, 1997, 101(34): 6063-6068．
［3］ 肖士镜, 余赋生. 烯烃配位聚合催化剂及聚烯烃 ［M］. 北京工业大学出版社, 2002: 17-69．
［4］ NOTOV D, PAVANELLO L, VIVIANI M, et al. A kinetic investigation of ethyl formate elimination from the ［MgCl2(HCOOC2H5)2］n adduct using thermoanalytical data\
[J\]. Thermochimica Acta, 1991, 189(2): 223-233．
［5］ NOTO V D, MARIGO A, VIVIANI M, et al. MgCl2supported ZieglerNatta catalysts: Synthesis and Xray diffraction characterization of some MgCl2Lewis base adducts ［J］. Macromolecular Chemistry and Physics, 1992, 193(1): 123-131．
［6］ NOTO V D, ZANNETTI R, VIVIANI M, et al. MgCl2supported ZieglerNatta catalysts: A structural investigation by Xray diffraction and Fouriertransform IR spectroscopy on the chemical activation process through MgCl2ethanol adducts ［J］. Macromolecular Chemistry and Physics, 1992, 193(7): 1653-1663．
［7］ NOTO V D, ZANNETTI R, VIVIANI M, et al. Magnesium chloridesupported catalysts for ZieglerNatta propene polymerization: Ethyl formate as internal base［J］. Macromolecular Chemistry and Physics, 1994, 195(10): 3395-3409．
［8］ NOTO V D, BRESADOLA S. New synthesis of a highly active δMgCl2 for MgCl2/TiCl4/AlEt3 catalytic systems ［J］. Macromolecular Chemistry and Physics, 1996, 197(11): 3827-3835．
［9］ NOTO V D, FREGINESE D, MARIGO A, et al. High yield MgCl2supported catalysts for propene polymerization: Effects of ethyl propionate as internal donor on the activity and stereospecificity ［J］. Macromolecular Chemistry and Physics, 1998, 199(4): 633-640．
［10］ CHUNG J S, SONG I K, LEE W Y, et al. Morphology control of a MgCl2supported ZieglerNatta catalyst by the recrystallization method［J］. Macromolecular Chemistry and Physics, 1995, 196(4): 1205-1210．
［11］ SHIN H W, CHUNG J S, SONG I K, et al. Temperature effect of TiCl4 impregnation of a recrystallized MgCl2 support on propene polymerization ［J］. Macromolecular Chemistry and Physics, 1995, 196(11): 3765-3770．
［12］ CHOI J H, CHUNGJ S, SHIN H W, et al. The effect of alcohol treatment in the preparation of MgCl2 support by a recrystallization method on the catalytic activity and isotactic index for propylene polymerization ［J］. European Polymer Journal, 1996, 32(4): 405-410．
［13］ MAGALHAES D N T, FILHO O D C, COUTINHO F M B. ZieglerNatta catalyst for ethylene and propylene polymerization supported on adducts of magnesium chlorides with methyl and ethyl alcohols ［J］. European Polymer Journal, 1991, 27(8): 827-830．
［14］ YANG C B, HSU C C, PARK Y S, et al. Infrared characterization of MgCl2 supported ZieglerNatta catalysts with monoester and diester as a modifier ［J］. European Polymer Journal, 1994, 30(2): 205-214．
［15］ FORTE M C, COUTINHO F M B. Highly active magnesium chloride supported ZieglerNatta catalysts with controlled morphology［J］. European Polymer Journal, 1996, 32(2): 223-231．
［16］ YE Z Y, WANG L, FENG L F, et al. Novel spherical Ziegler–Natta catalyst for polymerization and copolymerization. I. Spherical MgCl2 support ［J］. Journal of Polymer Science: Part A: Polymer Chemistry, 2002, 40(18): 3112-3119．
［17］ WANG L, YU H J, MaAZ L, et al. Preparation of novel MgCl2adduct supported spherical Ziegler–Natta catalyst for αOlefin polymerization［J］. Journal of Applied Polymer Science, 2006, 99(3): 945-948．
［18］ GUPTA V K, RAVINDRANATHAN M. Studies of a supported titanium catalyst system using magnesium dichlo