PROCESS FOR THE PREPARATION OF MAGNESIUM CHLORIDE CARRIERS FOR PRODUCING ALPHA-OLEFIN POLYMERIZATION CATALYSTS, AND CARRIERS OBTAINED
The present invention relates to catalyst supports for the polymerization and co-polymerization of alpha-olefins, especially ethylene and propylene, consisting essentially of magnesium chloride, characterized in that these supports occur in the form of spheroidal particles with a mean particle size...
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| creator | SANDIS, STYLIANOS BAILLY, JEAN CLAUDE |
| description | The present invention relates to catalyst supports for the polymerization and co-polymerization of alpha-olefins, especially ethylene and propylene, consisting essentially of magnesium chloride, characterized in that these supports occur in the form of spheroidal particles with a mean particle size by mass comprised between 10 and 100 microns and having a narrow particle size distribution, which can be controlled, such that the ratio of the mean diameter by mass to the mean diameter by number of the particles is less than or equal to 3.0, and the process for the preparation of the said supports. |
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BAILLY, JEAN CLAUDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0098196B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1992</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>INORGANIC CHEMISTRY</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>SANDIS, STYLIANOS</creatorcontrib><creatorcontrib>BAILLY, JEAN CLAUDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SANDIS, STYLIANOS</au><au>BAILLY, JEAN CLAUDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR THE PREPARATION OF MAGNESIUM CHLORIDE CARRIERS FOR PRODUCING ALPHA-OLEFIN POLYMERIZATION CATALYSTS, AND CARRIERS OBTAINED</title><date>1992-07-15</date><risdate>1992</risdate><abstract>The present invention relates to catalyst supports for the polymerization and co-polymerization of alpha-olefins, especially ethylene and propylene, consisting essentially of magnesium chloride, characterized in that these supports occur in the form of spheroidal particles with a mean particle size by mass comprised between 10 and 100 microns and having a narrow particle size distribution, which can be controlled, such that the ratio of the mean diameter by mass to the mean diameter by number of the particles is less than or equal to 3.0, and the process for the preparation of the said supports.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PROCESS FOR THE PREPARATION OF MAGNESIUM CHLORIDE CARRIERS FOR PRODUCING ALPHA-OLEFIN POLYMERIZATION CATALYSTS, AND CARRIERS OBTAINED |
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