Method for catalyst preparation and process of polyolefin polymerization from said catalyst

Method for catalyst preparation and process of polyolefin polymerization from said catalyst

  • CN 101,631,806 B
  • Filed: 11/16/2007
  • Issued: 09/10/2014
  • Est. Priority Date: 11/16/2006
  • Status: Active Grant
First Claim
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1. by magnesium compound and 4 or 5 family'"'"'s metallic compounds of halogenation, contact to prepare a method for the catalyzer that is applicable to olefinic polymerization, wherein said magnesium compound, by organo-magnesium compound solution is reacted and obtained with silicon compound, is characterized in that:

  • (a) described organo-magnesium compound solution is by contacting MAGNESIUM METAL Mg to obtain with ether with aromatic halide RX, wherein, in described aromatic halide RX, R is the aryl containing 6-20 carbon atom, X is halogen, wherein said ether is the compound with formula ROR, Ar-O-Ar or R-O-Ar, and wherein R is alkyl, and Ar is aryl;

    With(b) described silicon compound is by hydrocarbyl halide silane is reacted to the product obtaining with the silane compound containing alkoxyl group or aryloxy, and wherein, the mol ratio of described hydrocarbyl halide silane and the described silane compound containing alkoxyl group or aryloxy is 5-100.

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