PRODUCTION OF OLEFIN POLYMER
PROBLEM TO BE SOLVED: To provide a method for producing an olefin polymer, capable of efficiently producing the polymer having a high mol.wt. in the presence of a catalyst containing a highly active transition metal catalyst component. SOLUTION: This method for producing an olefin polymer comprises...
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| creator | IMAEDA KAORI UEHARA YUMITO |
| description | PROBLEM TO BE SOLVED: To provide a method for producing an olefin polymer, capable of efficiently producing the polymer having a high mol.wt. in the presence of a catalyst containing a highly active transition metal catalyst component. SOLUTION: This method for producing an olefin polymer comprises polymerizing a α-olefin in the presence of a catalyst containing the following components [A] and [B]. [A]: A metallocene-based transition metal compound of the formula: R1m(C5R2a)(C5R3b)HfX1X2 [X1, X2 are each independently an atom or substituent selected from the group consisting of halogens, hydrogen, 1-20C alkoxy groups, aryloxy groups, amide groups and trifluoromethanesulfonyl group; (m) is 0 or 1; (a), (b) are each 5, when (m) is 0, and (a), (b) are each 4, when (m) is 1], which has a hafnium atom as a central atom and may have on two cyclopentadiene rings substituents R2 and R3 that may bound to each other through a crosslinking group R1. [B]: An ion-exchanging laminar silicate salt. |
| format | Patent |
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SOLUTION: This method for producing an olefin polymer comprises polymerizing a α-olefin in the presence of a catalyst containing the following components [A] and [B]. [A]: A metallocene-based transition metal compound of the formula: R1m(C5R2a)(C5R3b)HfX1X2 [X1, X2 are each independently an atom or substituent selected from the group consisting of halogens, hydrogen, 1-20C alkoxy groups, aryloxy groups, amide groups and trifluoromethanesulfonyl group; (m) is 0 or 1; (a), (b) are each 5, when (m) is 0, and (a), (b) are each 4, when (m) is 1], which has a hafnium atom as a central atom and may have on two cyclopentadiene rings substituents R2 and R3 that may bound to each other through a crosslinking group R1. 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SOLUTION: This method for producing an olefin polymer comprises polymerizing a α-olefin in the presence of a catalyst containing the following components [A] and [B]. [A]: A metallocene-based transition metal compound of the formula: R1m(C5R2a)(C5R3b)HfX1X2 [X1, X2 are each independently an atom or substituent selected from the group consisting of halogens, hydrogen, 1-20C alkoxy groups, aryloxy groups, amide groups and trifluoromethanesulfonyl group; (m) is 0 or 1; (a), (b) are each 5, when (m) is 0, and (a), (b) are each 4, when (m) is 1], which has a hafnium atom as a central atom and may have on two cyclopentadiene rings substituents R2 and R3 that may bound to each other through a crosslinking group R1. [B]: An ion-exchanging laminar silicate salt.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAJCPJ3CXUO8fT3U_B3U_D3cXXz9FMI8PeJ9HUN4mFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZAYG5kYWjsaEyUIgC75iFG</recordid><startdate>20000307</startdate><enddate>20000307</enddate><creator>IMAEDA KAORI</creator><creator>UEHARA YUMITO</creator><scope>EVB</scope></search><sort><creationdate>20000307</creationdate><title>PRODUCTION OF OLEFIN POLYMER</title><author>IMAEDA KAORI ; UEHARA YUMITO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2000072813A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2000</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>IMAEDA KAORI</creatorcontrib><creatorcontrib>UEHARA YUMITO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMAEDA KAORI</au><au>UEHARA YUMITO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF OLEFIN POLYMER</title><date>2000-03-07</date><risdate>2000</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for producing an olefin polymer, capable of efficiently producing the polymer having a high mol.wt. in the presence of a catalyst containing a highly active transition metal catalyst component. SOLUTION: This method for producing an olefin polymer comprises polymerizing a α-olefin in the presence of a catalyst containing the following components [A] and [B]. [A]: A metallocene-based transition metal compound of the formula: R1m(C5R2a)(C5R3b)HfX1X2 [X1, X2 are each independently an atom or substituent selected from the group consisting of halogens, hydrogen, 1-20C alkoxy groups, aryloxy groups, amide groups and trifluoromethanesulfonyl group; (m) is 0 or 1; (a), (b) are each 5, when (m) is 0, and (a), (b) are each 4, when (m) is 1], which has a hafnium atom as a central atom and may have on two cyclopentadiene rings substituents R2 and R3 that may bound to each other through a crosslinking group R1. [B]: An ion-exchanging laminar silicate salt.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PRODUCTION OF OLEFIN POLYMER |
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