Catalyst components for the polymerization of olefins

Catalyst components for the polymerization of olefins

  • CN 102,164,969 A
  • Filed: 09/17/2009
  • Published: 08/24/2011
  • Est. Priority Date: 09/26/2008
  • Status: Active Grant
First Claim
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1. the pre-polymerized catalyst components of olefinic polymerization, it comprises ingredient of solid catalyst, ingredient of solid catalyst comprises Mg, Ti and halogen atom and is selected from the electron donor (ID) of the alkyl ester of aromatic dicarboxylic acid, its consumption makes the ID/Mg mol ratio in 0.025 to 0.070 scope, the Mg/Ti mol ratio is higher than 13, and described pre-polymerized catalyst components contains ethene polymers quantity and is:

  • the described ingredient of solid catalyst of every gram is 50 gram ethene polymerss at the most.

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