Silyl-Terminated Ethylene-co-Norbornene Copolymers by Organotitanium-Based Catalysts
Ethylene (E) and norbornene (N) were copolymerized in the presence of PhSiH3 as chain‐transfer agent with [Ti(η5:η1‐C5Me4SiMe2NBut)(η1‐Me)2] precatalyst combined with [Ph3C][B(C6F5)4]. The silane was introduced at chain‐ends of E‐co‐N copolymers with concomitant reinitiation of the growing polymer c...
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| Veröffentlicht in: | Macromolecular rapid communications. 2009-01, Vol.30 (1), p.39-44 |
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| creator | Marconi, Roberto Ravasio, Andrea Boggioni, Laura Tritto, Incoronata |
| description | Ethylene (E) and norbornene (N) were copolymerized in the presence of PhSiH3 as chain‐transfer agent with [Ti(η5:η1‐C5Me4SiMe2NBut)(η1‐Me)2] precatalyst combined with [Ph3C][B(C6F5)4]. The silane was introduced at chain‐ends of E‐co‐N copolymers with concomitant reinitiation of the growing polymer chain. The concentrations of the silane and polymer molecular weight are inversely correlated. The characteristic signals of SiH2Ph chain‐ends were observed by 1H NMR. The Si heteroatom is predominantly adjacent to ethylene units in E‐co‐N copolymers with high N content. |
| doi_str_mv | 10.1002/marc.200800559 |
| format | Article |
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The silane was introduced at chain‐ends of E‐co‐N copolymers with concomitant reinitiation of the growing polymer chain. The concentrations of the silane and polymer molecular weight are inversely correlated. The characteristic signals of SiH2Ph chain‐ends were observed by 1H NMR. 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KGaA, Weinheim.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5099-cf84d4d0819e29fc732b8c8d455c2815151d119fa5d4040f2f01f0196de7acf13</citedby><cites>FETCH-LOGICAL-c5099-cf84d4d0819e29fc732b8c8d455c2815151d119fa5d4040f2f01f0196de7acf13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmarc.200800559$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmarc.200800559$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20998218$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21706536$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Marconi, Roberto</creatorcontrib><creatorcontrib>Ravasio, Andrea</creatorcontrib><creatorcontrib>Boggioni, Laura</creatorcontrib><creatorcontrib>Tritto, Incoronata</creatorcontrib><title>Silyl-Terminated Ethylene-co-Norbornene Copolymers by Organotitanium-Based Catalysts</title><title>Macromolecular rapid communications.</title><addtitle>Macromol. Rapid Commun</addtitle><description>Ethylene (E) and norbornene (N) were copolymerized in the presence of PhSiH3 as chain‐transfer agent with [Ti(η5:η1‐C5Me4SiMe2NBut)(η1‐Me)2] precatalyst combined with [Ph3C][B(C6F5)4]. The silane was introduced at chain‐ends of E‐co‐N copolymers with concomitant reinitiation of the growing polymer chain. The concentrations of the silane and polymer molecular weight are inversely correlated. The characteristic signals of SiH2Ph chain‐ends were observed by 1H NMR. The Si heteroatom is predominantly adjacent to ethylene units in E‐co‐N copolymers with high N content.</description><subject>Applied sciences</subject><subject>chain-transfer</subject><subject>Copolymerization</subject><subject>copolymers</subject><subject>Exact sciences and technology</subject><subject>metallocene catalysts</subject><subject>norbornene</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>polyolefins</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><subject>silane</subject><issn>1022-1336</issn><issn>1521-3927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkM-PEyEYhonRuD_06tH0op6oHzDMwHF3sq6u226iNR4JZUBRZqgwzTr_vTSt1ZMGEiB53hd4EHpGYE4A6OteJzOnAAKAc_kAnRJOCWaSNg_LHijFhLH6BJ3l_A0KVgF9jE4oaaDmrD5Fq48-TAGvbOr9oEfbza7Gr1Owg8Um4mVM65iGcpq1cRPD1NuUZ-tpdpe-6CGOftSD3_b4UueSbPWow5TH_AQ9cjpk-_SwnqNPb65W7Vt8e3f9rr24xYaDlNg4UXVVB4JIS6UzDaNrYURXcW6oILyMjhDpNO8qqMBRB6RMWXe20cYRdo5e7Xs3Kf7Y2jyq3mdjQ9CDjdusRFO-C4zxQr78J8moZLySu8r5HjQp5pysU5vki-RJEVA742pnXB2Nl8DzQ_N23dvuiP9WXIAXB0Bno4NLejA-_-GKCUGJKJzcc_c-2Ok_16rFxYf270fgfdbn0f48ZnX6ruqGNVx9Xl6rBb9Z3rznCyXYLw1QqS8</recordid><startdate>20090102</startdate><enddate>20090102</enddate><creator>Marconi, Roberto</creator><creator>Ravasio, Andrea</creator><creator>Boggioni, Laura</creator><creator>Tritto, Incoronata</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20090102</creationdate><title>Silyl-Terminated Ethylene-co-Norbornene Copolymers by Organotitanium-Based Catalysts</title><author>Marconi, Roberto ; Ravasio, Andrea ; Boggioni, Laura ; Tritto, Incoronata</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5099-cf84d4d0819e29fc732b8c8d455c2815151d119fa5d4040f2f01f0196de7acf13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>chain-transfer</topic><topic>Copolymerization</topic><topic>copolymers</topic><topic>Exact sciences and technology</topic><topic>metallocene catalysts</topic><topic>norbornene</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>polyolefins</topic><topic>Preparation, kinetics, thermodynamics, mechanism and catalysts</topic><topic>silane</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Marconi, Roberto</creatorcontrib><creatorcontrib>Ravasio, Andrea</creatorcontrib><creatorcontrib>Boggioni, Laura</creatorcontrib><creatorcontrib>Tritto, Incoronata</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Macromolecular rapid communications.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Marconi, Roberto</au><au>Ravasio, Andrea</au><au>Boggioni, Laura</au><au>Tritto, Incoronata</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Silyl-Terminated Ethylene-co-Norbornene Copolymers by Organotitanium-Based Catalysts</atitle><jtitle>Macromolecular rapid communications.</jtitle><addtitle>Macromol. Rapid Commun</addtitle><date>2009-01-02</date><risdate>2009</risdate><volume>30</volume><issue>1</issue><spage>39</spage><epage>44</epage><pages>39-44</pages><issn>1022-1336</issn><eissn>1521-3927</eissn><abstract>Ethylene (E) and norbornene (N) were copolymerized in the presence of PhSiH3 as chain‐transfer agent with [Ti(η5:η1‐C5Me4SiMe2NBut)(η1‐Me)2] precatalyst combined with [Ph3C][B(C6F5)4]. The silane was introduced at chain‐ends of E‐co‐N copolymers with concomitant reinitiation of the growing polymer chain. The concentrations of the silane and polymer molecular weight are inversely correlated. The characteristic signals of SiH2Ph chain‐ends were observed by 1H NMR. The Si heteroatom is predominantly adjacent to ethylene units in E‐co‐N copolymers with high N content.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><pmid>21706536</pmid><doi>10.1002/marc.200800559</doi><tpages>6</tpages></addata></record> |
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| ispartof | Macromolecular rapid communications., 2009-01, Vol.30 (1), p.39-44 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences chain-transfer Copolymerization copolymers Exact sciences and technology metallocene catalysts norbornene Organic polymers Physicochemistry of polymers polyolefins Preparation, kinetics, thermodynamics, mechanism and catalysts silane |
| title | Silyl-Terminated Ethylene-co-Norbornene Copolymers by Organotitanium-Based Catalysts |
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