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Application filed by Samsung General Chemicals CofiledCriticalSamsung General Chemicals Co
Priority to MYPI9904603priorityCriticalpatent/MY123304A/en
Publication of MY123304ApublicationCriticalpatent/MY123304A/en
Transition And Organic Metals Composition Catalysts For Addition Polymerization
(AREA)
Abstract
THE PRESENT INVENTION RELATES TO A SOLID COMPLEX TITANIUM CATALYST FOR HOMO-POLYMERIZATION AND CO-POLYMERIZATION OF A-OLEFIN, OBTAINED BY (i) PRODUCING A SOLUTION OF A MAGNESIUM COMPOUND BY DISSOLVING A MAGNESIUM COMPOUND AND A COMPOUND OF IIA GROUP OF THE PERIODIC TABLE IN A SOLVENT MIXED WITH CYCLIC ETHER, ONE OR MORE TYPES OF ALCOHOL, A PHOSPHORUOUS COMPOUND, AND AN ORGANOSILANE, (ii) PRECIPITATING THE SOLID PARTICLES BY REACTING SAID MAGNESIUM SOLUTION WITH A COMPOUND OF A TRANSITION METAL, A SILICON COMPOUND , OR THE MIXTURE THREOF, AND (iii) REACTING SAID PRECIPITATED SOLID PARTICLES WITH A TITANIUM COMPOUND AND AN ELECTRON DONOR, THE CATALYST OF THE PRESENT INVENTION IS OF LARGE PARTICLE SIZE, NARROW PARTICLE DISTRIUTION, AND HIGH CATALYTIC ACTIVITY, WHILE THE POLYMERS OBTAINED WITH THE USE OF THIS CATALYST ARE OF EXCELLENT STEREOREGULARITY.
MYPI99046031999-10-261999-10-26An improved catalyst for homo-and co-polymerization of olefin
MY123304A
(en)
Solid precursor of a catalytic system for the polymerization of olefins, process for its preparation, catalytic system comprising this solid precursor and process for the polymerization of olefins
Method for producing catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymer using the catalyst
Solid catalytic component containing zirconium and cycloalkadienyl groups, process for producing it and process for polymerization of olefins in its presence