| 摘要 |
<p>A catalyst suitable for use in the polymerization of olefins is disclosed. This catalyst contains:
<UnorderedLists id="ula01" listStyle="none"><ListItem>[A] a solid catalyst component obtained by calcining a reaction product of (a) at least one compound selected from an amine compound, a phosphoric acid amide, a hydrocarbyloxy compound of titanium, vanadium, hafnium or zirconium, and a germanium compound having the general formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="6" wi="20" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein (i) R<Sup>1</Sup>, R<Sup>2</Sup> and R<Sup>3</Sup> are each independently a hydrocarbon group having 1 through 10 carbon atoms, and R<Sup>4</Sup> is a hydrogen atom, a halogen atom, a -OH group, or a -OGeR<Sup>1</Sup>R<Sup>2</Sup>R<Sup>3</Sup> group, or (ii) R<Sup>1</Sup>, R<Sup>2</Sup>, R<Sup>3</Sup> and R<Sup>4</Sup> are each independently -OR<Sup>s</Sup> wherein R<Sup>5</Sup> is a hydrocarbon group having 1 through 10 carbon atoms, or a halogen atom. and a tin compound having the general formula:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="6" wi="20" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R', R<Sup>2</Sup> and R<Sup>3</Sup> are the same as defined above and R<Sup>6</Sup> is a halogen atom, or -OH group, with (b) at least one chromium compound, said reaction product being supported on an inorganic oxide carrier; and</ListItem><ListItem>[B] an organometallic compound component selected from the following groups (1) through (5):
<UnorderedLists id="ula02" listStyle="none"><ListItem>(1) a hydrocarbon-soluble organomagnesium component having the general formula:
<Chemistry id="chema03" num="0003"><Image id="ia03" he="7" wi="35" file="IMGA0003.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein M is an element selected from aluminum, boron, beryllium, zinc and lithium; R<Sup>7</Sup> and R<Sup>8</Sup> are the same or different hydrocarbon groups having 1 to 20 carbon atoms; X and Y are the same or different groups selected from OR<Sup>9</Sup> OSiR<Sup>10</Sup>R<Sup>11</Sup>R<Sup>12</Sup>, NR<Sup>13</Sup>,R<Sup>14</Sup>, or SR<Sup>15</Sup> wherein R<Sup>9</Sup>, R'°, R<Sup>11</Sup>, R<Sup>12</Sup>, R<Sup>13</Sup>, and R" are each independently a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and R<Sup>15</Sup> is a hydrocarbon group having 1 to 20 carbon atoms; a is zero or greater than zero, β is greater than zero and p, q, r, and s are each zero or greater than zero and both p and q are not zero at the same time and have the relationship p + q + r + s = m" + 2<Sup>β</Sup> wherein m has a valency of M;</ListItem><ListItem>(2) an organoaluminum component obtained by reacting (i) one mole of a trialkylaluminum compound with (ii) 0.1 to 2 moles of a carbinol having 1 to 10 carbon atoms, 0.1 to 5 moles of a silanol or siloxane, or a mixture thereof;<!-- EPO <DP n="2"> --></ListItem><ListItem>(3) a component comprising said hydrocarbon-soluble organomagnesium component (1) and said organo- aluminum component (2);</ListItem><ListItem>(4) a component comprising said hydrocarbon-soluble organomagnesium component (1) and an organoboron, organozinc, or organolithium compound; and</ListItem><ListItem>(5) a component comprising said organo-aluminum component (2) and an organoboron, organozinc, or organolithium compound.</ListItem></UnorderedLists></ListItem></UnorderedLists></p> |
