Regioselective cross metathesis for block and heterotelechelic polymer synthesis
Ring-opening metathesis polymerization (ROMP) of 3-substituted cyclooctene (3RCOE) monomers with Grubbs 2 nd and 3 rd generation catalysts (G2 and G3) has been shown to occur with high head-to-tail regioregularity and E -stereoregularity. Cross metathesis (CM) between the resultant polymer chains, a...
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| Veröffentlicht in: | Polymer chemistry 2016-01, Vol.7 (40), p.6269-6278 |
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| container_title | Polymer chemistry |
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| creator | Radlauer, Madalyn R. Matta, Megan E. Hillmyer, Marc A. |
| description | Ring-opening metathesis polymerization (ROMP) of 3-substituted cyclooctene (3RCOE) monomers with Grubbs 2
nd
and 3
rd
generation catalysts (G2 and G3) has been shown to occur with high head-to-tail regioregularity and
E
-stereoregularity. Cross metathesis (CM) between the resultant polymer chains, a secondary metathesis reaction during ROMP, also results in head-to-tail regioregularity and
E
-stereoregularity. The selectivity of the CM is demonstrated in the reaction between polymers of various molar masses or with different R substituents. In the latter case, monitoring by DSC reveals the change from a multiblock polymer to a statistical copolymer by displaying first two, then one
T
g
. The regioregularity of both the ROMP and CM reactions is exploited for the synthesis of heterotelechelic polyolefins through the use of an asymmetric, allylically-substituted chain transfer agent alongside the 3RCOE monomer. |
| doi_str_mv | 10.1039/C6PY01231K |
| format | Article |
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nd
and 3
rd
generation catalysts (G2 and G3) has been shown to occur with high head-to-tail regioregularity and
E
-stereoregularity. Cross metathesis (CM) between the resultant polymer chains, a secondary metathesis reaction during ROMP, also results in head-to-tail regioregularity and
E
-stereoregularity. The selectivity of the CM is demonstrated in the reaction between polymers of various molar masses or with different R substituents. In the latter case, monitoring by DSC reveals the change from a multiblock polymer to a statistical copolymer by displaying first two, then one
T
g
. The regioregularity of both the ROMP and CM reactions is exploited for the synthesis of heterotelechelic polyolefins through the use of an asymmetric, allylically-substituted chain transfer agent alongside the 3RCOE monomer.</description><identifier>ISSN: 1759-9954</identifier><identifier>EISSN: 1759-9962</identifier><identifier>DOI: 10.1039/C6PY01231K</identifier><language>eng</language><subject>Asymmetry ; Chain transfer ; Copolymers ; Decomposition reactions ; Metathesis ; Monitoring ; Monomers ; Synthesis (chemistry)</subject><ispartof>Polymer chemistry, 2016-01, Vol.7 (40), p.6269-6278</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-e3b4c9901182126ff55eda38ad71d26c0736499ac2c74b7a375f90e44daaa59b3</citedby><cites>FETCH-LOGICAL-c264t-e3b4c9901182126ff55eda38ad71d26c0736499ac2c74b7a375f90e44daaa59b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Radlauer, Madalyn R.</creatorcontrib><creatorcontrib>Matta, Megan E.</creatorcontrib><creatorcontrib>Hillmyer, Marc A.</creatorcontrib><title>Regioselective cross metathesis for block and heterotelechelic polymer synthesis</title><title>Polymer chemistry</title><description>Ring-opening metathesis polymerization (ROMP) of 3-substituted cyclooctene (3RCOE) monomers with Grubbs 2
nd
and 3
rd
generation catalysts (G2 and G3) has been shown to occur with high head-to-tail regioregularity and
E
-stereoregularity. Cross metathesis (CM) between the resultant polymer chains, a secondary metathesis reaction during ROMP, also results in head-to-tail regioregularity and
E
-stereoregularity. The selectivity of the CM is demonstrated in the reaction between polymers of various molar masses or with different R substituents. In the latter case, monitoring by DSC reveals the change from a multiblock polymer to a statistical copolymer by displaying first two, then one
T
g
. The regioregularity of both the ROMP and CM reactions is exploited for the synthesis of heterotelechelic polyolefins through the use of an asymmetric, allylically-substituted chain transfer agent alongside the 3RCOE monomer.</description><subject>Asymmetry</subject><subject>Chain transfer</subject><subject>Copolymers</subject><subject>Decomposition reactions</subject><subject>Metathesis</subject><subject>Monitoring</subject><subject>Monomers</subject><subject>Synthesis (chemistry)</subject><issn>1759-9954</issn><issn>1759-9962</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNpFkEtLAzEUhYMoWGo3_oIsRRjNzWsmSym-sGARXbgaMpk7djTT1CQV-u9trejZnLP4zoV7CDkFdgFMmMupnr8y4AIeDsgISmUKYzQ__MtKHpNJSu9sKwGSCz0i8yd860NCjy73X0hdDCnRAbPNC0x9ol2ItPHBfVC7bOkCM8aQd_gCfe_oKvjNgJGmzXJfOCFHnfUJJ78-Ji8318_Tu2L2eHs_vZoVjmuZCxSNdMYwgIoD112nFLZWVLYtoeXasVJoaYx13JWyKa0oVWcYStlaa5VpxJic7e-uYvhcY8r10CeH3tslhnWqoZKqEgActuj5Hv15LmJXr2I_2LipgdW75er_5cQ311BhjQ</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Radlauer, Madalyn R.</creator><creator>Matta, Megan E.</creator><creator>Hillmyer, Marc A.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20160101</creationdate><title>Regioselective cross metathesis for block and heterotelechelic polymer synthesis</title><author>Radlauer, Madalyn R. ; Matta, Megan E. ; Hillmyer, Marc A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-e3b4c9901182126ff55eda38ad71d26c0736499ac2c74b7a375f90e44daaa59b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Asymmetry</topic><topic>Chain transfer</topic><topic>Copolymers</topic><topic>Decomposition reactions</topic><topic>Metathesis</topic><topic>Monitoring</topic><topic>Monomers</topic><topic>Synthesis (chemistry)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Radlauer, Madalyn R.</creatorcontrib><creatorcontrib>Matta, Megan E.</creatorcontrib><creatorcontrib>Hillmyer, Marc A.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Radlauer, Madalyn R.</au><au>Matta, Megan E.</au><au>Hillmyer, Marc A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Regioselective cross metathesis for block and heterotelechelic polymer synthesis</atitle><jtitle>Polymer chemistry</jtitle><date>2016-01-01</date><risdate>2016</risdate><volume>7</volume><issue>40</issue><spage>6269</spage><epage>6278</epage><pages>6269-6278</pages><issn>1759-9954</issn><eissn>1759-9962</eissn><abstract>Ring-opening metathesis polymerization (ROMP) of 3-substituted cyclooctene (3RCOE) monomers with Grubbs 2
nd
and 3
rd
generation catalysts (G2 and G3) has been shown to occur with high head-to-tail regioregularity and
E
-stereoregularity. Cross metathesis (CM) between the resultant polymer chains, a secondary metathesis reaction during ROMP, also results in head-to-tail regioregularity and
E
-stereoregularity. The selectivity of the CM is demonstrated in the reaction between polymers of various molar masses or with different R substituents. In the latter case, monitoring by DSC reveals the change from a multiblock polymer to a statistical copolymer by displaying first two, then one
T
g
. The regioregularity of both the ROMP and CM reactions is exploited for the synthesis of heterotelechelic polyolefins through the use of an asymmetric, allylically-substituted chain transfer agent alongside the 3RCOE monomer.</abstract><doi>10.1039/C6PY01231K</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Polymer chemistry, 2016-01, Vol.7 (40), p.6269-6278 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_1845831121 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Asymmetry Chain transfer Copolymers Decomposition reactions Metathesis Monitoring Monomers Synthesis (chemistry) |
| title | Regioselective cross metathesis for block and heterotelechelic polymer synthesis |
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