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Transition And Organic Metals Composition Catalysts For Addition Polymerization
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Abstract
A catalystic compound for manufacturing polyethyle a-olefin including the following chemical formula: ( C5RnH5-n)(L)MXaYb ( a ) C5RnH5-n is substituted or unsubstituted for locenes group,n is integer of 0~5 and R is C1~C6 alkyl; ( b ) L is borate tetrapyridine,borate hydrotripyridine,borate dihydropyridine or borate hydrotri(3,5-dimethylpyridine;( c ) M is group 4B transition element;( d ) a and b are both integer and a+b=m-2,m is valence of M;( e ) X and Y are ER1R2 or ER1R2R3 halogen atom and X and Y is the same or different but when a=b=1,X and Y are not both halogen atom and E is group 5A or group 6A element and R1,R2,and R3 are C1~C6 alkyl,C6~C14 aromatic or halogen substituted for C6~C14 aromatic.
TW085106284A1996-05-271996-05-27Polymerization or copolymerization process of ethyene a-olefin containing no methyl aluminoxane or borate catalyst
TW340852B
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