| 摘要 |
<p>A catalyst useful for polymerizing olefins which comprises a solid catalyst component [A] and an organometallic component [B], the solid catalyst component [A] being obtained by reacting (1) a solid inorganic oxide, (2) a hydrocarbon-soluble organomagnesium component of the general formula<MathDetails id="matha01"><MathText><![CDATA[ <img id="ia01" file="imga0001.tif" wi="25" he="10" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails>wherein
<UnorderedLists id="ula01" listStyle="none"><ListItem>a, p, q, r and s each independently is 0 or a number greater than 0,</ListItem><ListItem>β is a number greater than 0,</ListItem><ListItem>p + q + r + s = mα + 2β,</ListItem><ListItem>m is the valence of M,</ListItem><ListItem>M is a metal of the 1st to 3rd groups of the Periodic Table,</ListItem><ListItem>R' and R<Sup>2</Sup> each independently is a hydrocarbon group having 1 to 20 carbon atoms,</ListItem><ListItem>X and Y each independently is an OR<Sup>3</Sup>, OSiR<Sup>4</Sup>R5R<Sup>6</Sup>, <Sub>NR</Sub><Sup>7</Sup><Sub>R</Sub><Sup>8</Sup> or SR<Sup>9</Sup> group wherein R<Sup>3</Sup>, R<Sup>4</Sup>. R<Sup>5</Sup>, R<Sup>6</Sup>, R<Sup>7</Sup> and R<Sup>8</Sup> each independently is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and R<Sub>9</Sub> is a</ListItem><ListItem>hydrocarbon group having 1 to 20 carbon atoms, or of the reaction product of <MathDetails id="matha02"><MathText><![CDATA[ <img id="ia02" file="imga0002.tif" wi="22" he="5" img-content="math" img-format="tif" inline="yes" /> ]]></MathText></MathDetails> with at least one electron donor selected from the group consisting of ethers, thioethers, ketones, aldehydes, carboxylic acids or derivatives thereof, alcohols, thioalcohols and amines and (3) a chlorosilane compound having a Si-H bond and of the formula<MathDetails id="matha03"><MathText><![CDATA[ <img id="ia03" file="imga0003.tif" wi="23" he="11" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails>wherein</ListItem><ListItem>R<Sup>10</Sup> is a hydrocarbon group having 1 to 20 carbon atoms,<MathDetails id="matha04"><MathText><![CDATA[ <img id="ia04" file="imga0004.tif" wi="18" he="3" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails><MathDetails id="matha05"><MathText><![CDATA[ <img id="ia05" file="imga0005.tif" wi="11" he="3" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails>and<MathDetails id="matha06"><MathText><![CDATA[ <img id="ia06" file="imga0006.tif" wi="19" he="4" img-content="math" img-format="tif" inline="no" /> ]]></MathText></MathDetails>separating a reaction product from the reaction mixture and washing the separated reaction product with an inert hydrocarbon and reacting the washed reaction product with (4) a titanium compound having at least one halogen atom and or a vanadium compound having at least one halogen atom, and a polymerization process employing such a catalyst.</ListItem></UnorderedLists></p> |
