Polymerization of ethylene oxide initiated by lithium derivatives via the monomer-activated approach: Application to the direct synthesis of PS-b-PEO and PI-b-PEO diblock copolymers
The anionic polymerization of ethylene oxide (EO) initiated by lithium derivatives is extremely sluggish and only yields very low molar mass EO oligomers because of the low reactivity of lithium alkoxide species. We show here that using the monomer-activated anionic polymerization approach, one can...
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| Veröffentlicht in: | Polymer (Guilford) 2010-11, Vol.51 (24), p.5674-5679 |
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| creator | Rejsek, Virginie Desbois, Philippe Deffieux, Alain Carlotti, Stéphane |
| description | The anionic polymerization of ethylene oxide (EO) initiated by lithium derivatives is extremely sluggish and only yields very low molar mass EO oligomers because of the low reactivity of lithium alkoxide species. We show here that using the monomer-activated anionic polymerization approach, one can activate the C–O–Li bonds towards EO polymerization at low temperature and in non polar media. Starting from living polystyryllithium and polyisoprenyllithium, addition of triisobutylaluminum (i-Bu3Al) in excess to lithium species triggers the propagation reaction of EO, allowing the direct synthesis, in a few hours, of poly(styrene-b-ethylene oxide) and poly(isoprene-b-ethylene oxide) diblock copolymers, with a molar mass of the PEO block up to 10 000 g/mol.
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| doi_str_mv | 10.1016/j.polymer.2010.09.061 |
| format | Article |
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[Display omitted]</description><subject>Anionic polymerization</subject><subject>Applied sciences</subject><subject>Chemical Sciences</subject><subject>Copolymerization</subject><subject>Copolymers</subject><subject>Derivatives</subject><subject>Ethylene oxide</subject><subject>Exact sciences and technology</subject><subject>Lithium</subject><subject>Monomer activation</subject><subject>Organic polymers</subject><subject>Oxides</subject><subject>Physicochemistry of polymers</subject><subject>Poly(styrene-b-ethylene oxide)</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>Polystyrene resins</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><subject>Synthesis</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkd-K1DAUxosoOK4-gpAbES86m6RNm3ojw7K6CwM7oF6HNH_oGdumNpmy9b18P1Nb9navwsn5fd_HOSdJ3hO8J5gU1-f94Nq5M-Oe4viHqz0uyItkR3iZpZRW5GWywzijacYL8jp54_0ZY0wZzXfJ39MqhT8ygOuRs8iEZm5Nb5B7BG0Q9BBABqNRPaMWQgOXDumomKJiMh5NIFFoDOpc76JTKlVYelEgh2F0UjWf0WEYWlBrRHD_cQ2jUQH5uY-VB79En76ndXq6fUCy1-h0vxUa6tapX0i5bU7_NnllZevNu-29Sn5-vf1xc5ceH77d3xyOqWKYh9TKzJIKy9ISornVpKxzbZQqrWWZqVRFGKcKExkbJJeSZ7nmtMC0Li2rWZ1dJZ9W30a2Yhihk-MsnARxdziK5Q_joqziJicS2Y8rG2f-fTE-iA68Mm0re-MuXnDGCs4ZZ5FkK6lG5_1o7JM1wWK5qDiLbVKxXFTgSsSLRt2HLUF6JVs7yl6BfxLTLGekymjkvqyciauZILp4BaZXZl250A6eSfoHP5K9Ew</recordid><startdate>20101112</startdate><enddate>20101112</enddate><creator>Rejsek, Virginie</creator><creator>Desbois, Philippe</creator><creator>Deffieux, Alain</creator><creator>Carlotti, Stéphane</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>1XC</scope></search><sort><creationdate>20101112</creationdate><title>Polymerization of ethylene oxide initiated by lithium derivatives via the monomer-activated approach: Application to the direct synthesis of PS-b-PEO and PI-b-PEO diblock copolymers</title><author>Rejsek, Virginie ; Desbois, Philippe ; Deffieux, Alain ; Carlotti, Stéphane</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c508t-fa3f190a7f11d8fd17b4decc7ff53e9c91582c01a17b14aa834d82602b7f5b5b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Anionic polymerization</topic><topic>Applied sciences</topic><topic>Chemical Sciences</topic><topic>Copolymerization</topic><topic>Copolymers</topic><topic>Derivatives</topic><topic>Ethylene oxide</topic><topic>Exact sciences and technology</topic><topic>Lithium</topic><topic>Monomer activation</topic><topic>Organic polymers</topic><topic>Oxides</topic><topic>Physicochemistry of polymers</topic><topic>Poly(styrene-b-ethylene oxide)</topic><topic>Polymerization</topic><topic>Polymers</topic><topic>Polystyrene resins</topic><topic>Preparation, kinetics, thermodynamics, mechanism and catalysts</topic><topic>Synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rejsek, Virginie</creatorcontrib><creatorcontrib>Desbois, Philippe</creatorcontrib><creatorcontrib>Deffieux, Alain</creatorcontrib><creatorcontrib>Carlotti, Stéphane</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rejsek, Virginie</au><au>Desbois, Philippe</au><au>Deffieux, Alain</au><au>Carlotti, Stéphane</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polymerization of ethylene oxide initiated by lithium derivatives via the monomer-activated approach: Application to the direct synthesis of PS-b-PEO and PI-b-PEO diblock copolymers</atitle><jtitle>Polymer (Guilford)</jtitle><date>2010-11-12</date><risdate>2010</risdate><volume>51</volume><issue>24</issue><spage>5674</spage><epage>5679</epage><pages>5674-5679</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>The anionic polymerization of ethylene oxide (EO) initiated by lithium derivatives is extremely sluggish and only yields very low molar mass EO oligomers because of the low reactivity of lithium alkoxide species. We show here that using the monomer-activated anionic polymerization approach, one can activate the C–O–Li bonds towards EO polymerization at low temperature and in non polar media. Starting from living polystyryllithium and polyisoprenyllithium, addition of triisobutylaluminum (i-Bu3Al) in excess to lithium species triggers the propagation reaction of EO, allowing the direct synthesis, in a few hours, of poly(styrene-b-ethylene oxide) and poly(isoprene-b-ethylene oxide) diblock copolymers, with a molar mass of the PEO block up to 10 000 g/mol.
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| subjects | Anionic polymerization Applied sciences Chemical Sciences Copolymerization Copolymers Derivatives Ethylene oxide Exact sciences and technology Lithium Monomer activation Organic polymers Oxides Physicochemistry of polymers Poly(styrene-b-ethylene oxide) Polymerization Polymers Polystyrene resins Preparation, kinetics, thermodynamics, mechanism and catalysts Synthesis |
| title | Polymerization of ethylene oxide initiated by lithium derivatives via the monomer-activated approach: Application to the direct synthesis of PS-b-PEO and PI-b-PEO diblock copolymers |
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