Synthesis of Star Polymers Based on Xanthate-Mediated Controlled Radical Polymerization of N-Vinylcarbazole
Poly(N‐vinylcarbazole) [poly(NVC)] stars were synthesized by macromolecular design via interchange of xanthate (MADIX)/reversible addition‐fragmentation chain transfer (RAFT) polymerization. Four‐armed poly(NVC) stars with controlled molecular weights and low polydispersities were obtained using a t...
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| Veröffentlicht in: | Macromolecular symposia. 2007-04, Vol.249-250 (1), p.406-411 |
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| container_title | Macromolecular symposia. |
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| creator | Mori, Hideharu Ookuma, Hiroshi Endo, Takeshi |
| description | Poly(N‐vinylcarbazole) [poly(NVC)] stars were synthesized by macromolecular design via interchange of xanthate (MADIX)/reversible addition‐fragmentation chain transfer (RAFT) polymerization. Four‐armed poly(NVC) stars with controlled molecular weights and low polydispersities were obtained using a tetrafunctional xanthate, in which the stabilizing groups are linked to the core. The controlled character of the polymerization was also confirmed by the linear increase in the molecular weight with the conversion. The comparison of the polymerization behaviors using the tetrafunctional xanthate and a monofunctional one suggested that the multifunctional core has a clear effect on the polymerization kinetics, but has no significant influence on the controlled character of the polymerization. |
| doi_str_mv | 10.1002/masy.200750411 |
| format | Article |
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Four‐armed poly(NVC) stars with controlled molecular weights and low polydispersities were obtained using a tetrafunctional xanthate, in which the stabilizing groups are linked to the core. The controlled character of the polymerization was also confirmed by the linear increase in the molecular weight with the conversion. The comparison of the polymerization behaviors using the tetrafunctional xanthate and a monofunctional one suggested that the multifunctional core has a clear effect on the polymerization kinetics, but has no significant influence on the controlled character of the polymerization.</description><identifier>ISSN: 1022-1360</identifier><identifier>EISSN: 1521-3900</identifier><identifier>DOI: 10.1002/masy.200750411</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Chain transfer ; Conversion ; Molecular weight ; N-vinyl carbazole ; Polymerization ; Polymers ; radical polymerization ; Radicals ; Rafts ; reversible addition-fragmentation chain transfer (RAFT) ; star polymers ; Stars ; xanthate</subject><ispartof>Macromolecular symposia., 2007-04, Vol.249-250 (1), p.406-411</ispartof><rights>Copyright © 2007 WILEY‐VCH Verlag GmbH & Co. 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The comparison of the polymerization behaviors using the tetrafunctional xanthate and a monofunctional one suggested that the multifunctional core has a clear effect on the polymerization kinetics, but has no significant influence on the controlled character of the polymerization.</description><subject>Chain transfer</subject><subject>Conversion</subject><subject>Molecular weight</subject><subject>N-vinyl carbazole</subject><subject>Polymerization</subject><subject>Polymers</subject><subject>radical polymerization</subject><subject>Radicals</subject><subject>Rafts</subject><subject>reversible addition-fragmentation chain transfer (RAFT)</subject><subject>star polymers</subject><subject>Stars</subject><subject>xanthate</subject><issn>1022-1360</issn><issn>1521-3900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkEFP3DAQhaOKSgXaa885Vb1kGTt2HB9h1S5IC0VsWwoXa2I7qsEbUzuIhl9foy2IE5zmSfN97_CK4iOBGQGge2tM04wCCA6MkDfFNuGUVLUE2MoZKK1I3cC7YielKwCQUpDt4no1DeNvm1wqQ1-uRozlafDT2sZUHmCypgxD-Qszg6Otjq1x-ZpyHoYxBu9zPEPjNPpHzd3j6LKT206qn26YvMbY4X3w9n3xtkef7If_d7f48fXL9_lhtfy2OJrvLyvNuCBVr2XPmTSmNq2hhLVGSGQG8w-RdiAFo5ZLjr1ume14x3QjdE1N02FLGNS7xadN700Mf25tGtXaJW29x8GG26RqgIZK1mbw84sgoU0jmJCSZ3S2QXUMKUXbq5vo1hgnRUA9zK8e5ldP82dBboQ75-30Cq2O91cXz91q47o02r9PLsZr1YhacHV-slCL88tLWB7Mlaj_Abz5mjM</recordid><startdate>200704</startdate><enddate>200704</enddate><creator>Mori, Hideharu</creator><creator>Ookuma, Hiroshi</creator><creator>Endo, Takeshi</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200704</creationdate><title>Synthesis of Star Polymers Based on Xanthate-Mediated Controlled Radical Polymerization of N-Vinylcarbazole</title><author>Mori, Hideharu ; Ookuma, Hiroshi ; Endo, Takeshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4571-fc9f549dd3d8d2148d79a4da571aa2b09742e595afc84eb5b4c67c32d6ba81403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Chain transfer</topic><topic>Conversion</topic><topic>Molecular weight</topic><topic>N-vinyl carbazole</topic><topic>Polymerization</topic><topic>Polymers</topic><topic>radical polymerization</topic><topic>Radicals</topic><topic>Rafts</topic><topic>reversible addition-fragmentation chain transfer (RAFT)</topic><topic>star polymers</topic><topic>Stars</topic><topic>xanthate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mori, Hideharu</creatorcontrib><creatorcontrib>Ookuma, Hiroshi</creatorcontrib><creatorcontrib>Endo, Takeshi</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Macromolecular symposia.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mori, Hideharu</au><au>Ookuma, Hiroshi</au><au>Endo, Takeshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis of Star Polymers Based on Xanthate-Mediated Controlled Radical Polymerization of N-Vinylcarbazole</atitle><jtitle>Macromolecular symposia.</jtitle><addtitle>Macromol. Symp</addtitle><date>2007-04</date><risdate>2007</risdate><volume>249-250</volume><issue>1</issue><spage>406</spage><epage>411</epage><pages>406-411</pages><issn>1022-1360</issn><eissn>1521-3900</eissn><abstract>Poly(N‐vinylcarbazole) [poly(NVC)] stars were synthesized by macromolecular design via interchange of xanthate (MADIX)/reversible addition‐fragmentation chain transfer (RAFT) polymerization. Four‐armed poly(NVC) stars with controlled molecular weights and low polydispersities were obtained using a tetrafunctional xanthate, in which the stabilizing groups are linked to the core. The controlled character of the polymerization was also confirmed by the linear increase in the molecular weight with the conversion. The comparison of the polymerization behaviors using the tetrafunctional xanthate and a monofunctional one suggested that the multifunctional core has a clear effect on the polymerization kinetics, but has no significant influence on the controlled character of the polymerization.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/masy.200750411</doi><tpages>6</tpages></addata></record> |
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| ispartof | Macromolecular symposia., 2007-04, Vol.249-250 (1), p.406-411 |
| issn | 1022-1360 1521-3900 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Chain transfer Conversion Molecular weight N-vinyl carbazole Polymerization Polymers radical polymerization Radicals Rafts reversible addition-fragmentation chain transfer (RAFT) star polymers Stars xanthate |
| title | Synthesis of Star Polymers Based on Xanthate-Mediated Controlled Radical Polymerization of N-Vinylcarbazole |
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