Production process of olefin polymerization catalyst component, of olefin polymerization catalyst, and of olefin polymer

Production process of olefin polymerization catalyst component, of olefin polymerization catalyst, and of olefin polymer

  • CN 101,469,036 A
  • Filed: 12/25/2008
  • Published: 07/01/2009
  • Est. Priority Date: 12/27/2007
  • Status: Active Grant
First Claim
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1. the ingredient of solid catalyst that is used for olefinic polymerization comprises titanium atom, magnesium atom, halogen atom and alkyl oxygen base, and leaching thing below wherein, to comprise concentration be that 0.08mg-Ti/ml-leaches thing or lower titanium atom, measures according to the method that may further comprise the steps:

  • (1) preparation is used for the suspension of the ingredient of solid catalyst of olefinic polymerization at heptane, and concentration is 0.1g-ingredient of solid catalyst/ml-suspension;

    (2) under agitation heated this suspension 30 minutes in 70 ℃

    ;

    (3) filter this suspension, obtain to leach thing thus;

    With(4) measure the concentration that leaches contained titanium atom in the thing.

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