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Support for catalysts, process for the manufacture of a precursor gel of a support for catalysts, catalyst for the polymerization of olefins and process for the polymerization of olefins by means of this catalyst

  • US 5,849,852 A
  • Filed: 01/29/1996
  • Issued: 12/15/1998
  • Est. Priority Date: 05/17/1993
  • Status: Expired due to Fees
First Claim
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1. A support for catalysts of homogeneous and amorphous structure, containing silica, aluminium phosphate, and optionally alumina, said support having a specific surface of 100 to 800 m2 /g, a crystallization temperature greater than or equal to 700°

  • C. and a pore volume of 1.5 to 4 cm3 /g, the specific surface (SS) and the pore volume (PV) corresponding to the following relationship;

    
    
    space="preserve" listing-type="equation">SS<

    (PV×

    564-358),in which SS and PV respectively denote the numerical values of the specific surface, expressed in m2 /g, and of the pore volume, expressed in cm3 /g.

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