Living cationic polymerization of styrene by the bifunctional initiating system 1,4-bis(1-chloroethyl)benzene/SnCl4 in the presence of 2,6-di-tert-butylpyridine
The polymerization of styrene was studied by using a bifunctional initiator, 1,4‐bis(1‐chloroethyl)benzene (1). It was demonstrated that living polymerization can be achieved in the styrene/1/SnCl4 system in chloroform at −15°C in the presence of 2,6‐di‐tert‐butylpyridine. The number‐average molecul...
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| Veröffentlicht in: | Macromolecular chemistry and physics 1994-06, Vol.195 (6), p.2187-2194 |
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| container_title | Macromolecular chemistry and physics |
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| creator | Kwon, Oh-Sig Gho, Chang Gi Choi, Byong-Seok Choi, Sam-Kwon |
| description | The polymerization of styrene was studied by using a bifunctional initiator, 1,4‐bis(1‐chloroethyl)benzene (1). It was demonstrated that living polymerization can be achieved in the styrene/1/SnCl4 system in chloroform at −15°C in the presence of 2,6‐di‐tert‐butylpyridine. The number‐average molecular weight of the obtained polymers increases with monomer conversion and with addition of a fresh feed of monomer at the end of the first‐stage polymerization. The molecular weight distribution (MWD) of the obtained polymers is narrow ratio of weight‐ to number‐average molecular weights (Mw/Mn < 1,2) throughout the polymerization. In the absence of 2,6‐di‐tert‐butylpyridine, the initiating system results polystyrene with a bimodal MWD. Also a bimodal MWD was obtained with H2O/SnCl4 as initiating system. 2,6‐Di‐tert‐butylpyridine in conjunction with H2O/SnCl4 does not lead to polymerization. |
| doi_str_mv | 10.1002/macp.1994.021950625 |
| format | Article |
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It was demonstrated that living polymerization can be achieved in the styrene/1/SnCl4 system in chloroform at −15°C in the presence of 2,6‐di‐tert‐butylpyridine. The number‐average molecular weight of the obtained polymers increases with monomer conversion and with addition of a fresh feed of monomer at the end of the first‐stage polymerization. The molecular weight distribution (MWD) of the obtained polymers is narrow ratio of weight‐ to number‐average molecular weights (Mw/Mn < 1,2) throughout the polymerization. In the absence of 2,6‐di‐tert‐butylpyridine, the initiating system results polystyrene with a bimodal MWD. Also a bimodal MWD was obtained with H2O/SnCl4 as initiating system. 2,6‐Di‐tert‐butylpyridine in conjunction with H2O/SnCl4 does not lead to polymerization.</description><identifier>ISSN: 1022-1352</identifier><identifier>EISSN: 1521-3935</identifier><identifier>DOI: 10.1002/macp.1994.021950625</identifier><language>eng</language><publisher>Zug: Hüthig & Wepf Verlag</publisher><subject>Applied sciences ; Exact sciences and technology ; Organic polymers ; Physicochemistry of polymers ; Polymerization ; Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><ispartof>Macromolecular chemistry and physics, 1994-06, Vol.195 (6), p.2187-2194</ispartof><rights>1994 Hüthig & Wepf Verlag, Basel</rights><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmacp.1994.021950625$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmacp.1994.021950625$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4269522$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kwon, Oh-Sig</creatorcontrib><creatorcontrib>Gho, Chang Gi</creatorcontrib><creatorcontrib>Choi, Byong-Seok</creatorcontrib><creatorcontrib>Choi, Sam-Kwon</creatorcontrib><title>Living cationic polymerization of styrene by the bifunctional initiating system 1,4-bis(1-chloroethyl)benzene/SnCl4 in the presence of 2,6-di-tert-butylpyridine</title><title>Macromolecular chemistry and physics</title><addtitle>Macromol. Chem. Phys</addtitle><description>The polymerization of styrene was studied by using a bifunctional initiator, 1,4‐bis(1‐chloroethyl)benzene (1). It was demonstrated that living polymerization can be achieved in the styrene/1/SnCl4 system in chloroform at −15°C in the presence of 2,6‐di‐tert‐butylpyridine. The number‐average molecular weight of the obtained polymers increases with monomer conversion and with addition of a fresh feed of monomer at the end of the first‐stage polymerization. The molecular weight distribution (MWD) of the obtained polymers is narrow ratio of weight‐ to number‐average molecular weights (Mw/Mn < 1,2) throughout the polymerization. In the absence of 2,6‐di‐tert‐butylpyridine, the initiating system results polystyrene with a bimodal MWD. Also a bimodal MWD was obtained with H2O/SnCl4 as initiating system. 2,6‐Di‐tert‐butylpyridine in conjunction with H2O/SnCl4 does not lead to polymerization.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polymerization</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><issn>1022-1352</issn><issn>1521-3935</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNo9kd9qFDEUxgdRsFafwJu58EKh2SYnk8zOjVAW2wprFVQEb0KSSdxoNjMkqZo-jY_aTFf26vz7zu_A-ZrmJcErgjGc76WeV2QYuhUGMjDMgT1qTggDguhA2eOaYwBEKIOnzbOUfmKM13joT5p_W_fbhR-tltlNwel2nnzZm-juHhrtZNuUSzTBtKq0eVeDs7dBL0PpWxdcdlVZCamkbPYtOeuQcuk1QXrnpziZvCv-jTLhrjLOP4eN7-rWA2mOJpmgzXIEzjgaHcomZqRuc_FziW50wTxvnljpk3nxP542Xy_ffdlco-3Hq_ebiy1y0PcMDZpYTlUvx1FqZkduCO-A8rWioE1NQGE9SivXTMNoJWWkk4YbBVhZqKunzasDd5ZJS2-jDNolMUe3l7GIDvjAAKrs7UH2x3lTjmOCxWKEWIwQixHiaIT4cLH5dKwqAB0Arr7r7xEg4y_Be9oz8e3mSjA2kJvvlyAYvQfOopJ7</recordid><startdate>199406</startdate><enddate>199406</enddate><creator>Kwon, Oh-Sig</creator><creator>Gho, Chang Gi</creator><creator>Choi, Byong-Seok</creator><creator>Choi, Sam-Kwon</creator><general>Hüthig & Wepf Verlag</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope></search><sort><creationdate>199406</creationdate><title>Living cationic polymerization of styrene by the bifunctional initiating system 1,4-bis(1-chloroethyl)benzene/SnCl4 in the presence of 2,6-di-tert-butylpyridine</title><author>Kwon, Oh-Sig ; Gho, Chang Gi ; Choi, Byong-Seok ; Choi, Sam-Kwon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2775-9c1f63b7addac5fd6e1642368b32ce2362b0cdafa85c2dfa3514ae6eb20bf2f63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Polymerization</topic><topic>Preparation, kinetics, thermodynamics, mechanism and catalysts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kwon, Oh-Sig</creatorcontrib><creatorcontrib>Gho, Chang Gi</creatorcontrib><creatorcontrib>Choi, Byong-Seok</creatorcontrib><creatorcontrib>Choi, Sam-Kwon</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><jtitle>Macromolecular chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kwon, Oh-Sig</au><au>Gho, Chang Gi</au><au>Choi, Byong-Seok</au><au>Choi, Sam-Kwon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Living cationic polymerization of styrene by the bifunctional initiating system 1,4-bis(1-chloroethyl)benzene/SnCl4 in the presence of 2,6-di-tert-butylpyridine</atitle><jtitle>Macromolecular chemistry and physics</jtitle><addtitle>Macromol. Chem. Phys</addtitle><date>1994-06</date><risdate>1994</risdate><volume>195</volume><issue>6</issue><spage>2187</spage><epage>2194</epage><pages>2187-2194</pages><issn>1022-1352</issn><eissn>1521-3935</eissn><abstract>The polymerization of styrene was studied by using a bifunctional initiator, 1,4‐bis(1‐chloroethyl)benzene (1). It was demonstrated that living polymerization can be achieved in the styrene/1/SnCl4 system in chloroform at −15°C in the presence of 2,6‐di‐tert‐butylpyridine. The number‐average molecular weight of the obtained polymers increases with monomer conversion and with addition of a fresh feed of monomer at the end of the first‐stage polymerization. The molecular weight distribution (MWD) of the obtained polymers is narrow ratio of weight‐ to number‐average molecular weights (Mw/Mn < 1,2) throughout the polymerization. In the absence of 2,6‐di‐tert‐butylpyridine, the initiating system results polystyrene with a bimodal MWD. Also a bimodal MWD was obtained with H2O/SnCl4 as initiating system. 2,6‐Di‐tert‐butylpyridine in conjunction with H2O/SnCl4 does not lead to polymerization.</abstract><cop>Zug</cop><pub>Hüthig & Wepf Verlag</pub><doi>10.1002/macp.1994.021950625</doi><tpages>8</tpages></addata></record> |
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| ispartof | Macromolecular chemistry and physics, 1994-06, Vol.195 (6), p.2187-2194 |
| issn | 1022-1352 1521-3935 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_4269522 |
| source | Wiley Online Library All Journals |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Polymerization Preparation, kinetics, thermodynamics, mechanism and catalysts |
| title | Living cationic polymerization of styrene by the bifunctional initiating system 1,4-bis(1-chloroethyl)benzene/SnCl4 in the presence of 2,6-di-tert-butylpyridine |
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