Titanium-zirconium catalyst compositions and use thereof

   
   

A catalyst composition prepared from (a) titanium tetrahydrocarbyloxide, (b) zirconium tetrahydrocarbyloxide, and (c) tetraalkyl ammonium hydroxide, wherein the molar ratio of Zr:Ti is from about 0.02:1 to about 5:1 and the molar ratio of TAAH:(Ti+Zr) is from about 0.05:1 to about 2:1.

Una composizione nel catalizzatore preparata (a) dal tetrahydrocarbyloxide di titanio, (b) dal tetrahydrocarbyloxide dello zirconio e (c) dall'idrossido di ammonio di tetraalkyl, in cui il rapporto molare di Zr:Ti proviene da circa 0.02:1 a circa 5:1 e dal rapporto molare di TAAH:(Ti+Zr) proviene da circa 0.05:1 a circa 2:1.

 
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