Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene
Identifieur interne : 000753 ( Istex/Corpus ); précédent : 000752; suivant : 000754Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene
Auteurs : C. Vautrin-Ul ; F. Pla ; A. PetitSource :
- Polymer [ 0032-3861 ] ; 1996.
English descriptors
- KwdEn :
- Block copolymers, Carbocationic polymerization, Cationic polymerization, Centre blocks, Chem, Copolymer, Electron donor, Elsevier science, Experimental conditions, Good agreement, Isobutylene, Linear triblock copolymers, Molar weight, Nancy cedex, Olefinic resonances, Polym, Polymer, Polymer volume, Polymeric materials, Proton scavengers, Sequential monomer addition, Triblock, Triblock copolymers, cyclization, living carbocationic polymerization, poly(1,3-pentadiene-b-isobutylene-b-1,3-pentadiene).
- Teeft :
- Block copolymers, Carbocationic polymerization, Cationic polymerization, Centre blocks, Chem, Copolymer, Electron donor, Elsevier science, Experimental conditions, Good agreement, Isobutylene, Linear triblock copolymers, Molar weight, Nancy cedex, Olefinic resonances, Polym, Polymer, Polymer volume, Polymeric materials, Proton scavengers, Sequential monomer addition, Triblock, Triblock copolymers.
Abstract
Abstract: New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl4 as initiating system in n-hexane/CH2Cl2 (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (Mn) in the range of 5000 to 25 000 g mol−1, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with Mn close to 6000 g mol−1. The crude copolymers were purified by CH2Cl2 extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.
Url:
DOI: 10.1016/0032-3861(96)00263-7
Links to Exploration step
ISTEX:D74EBD7D81C5BF673BC590C0262335F9B92983C9Le document en format XML
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Petit</name><affiliation><mods:affiliation>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:D74EBD7D81C5BF673BC590C0262335F9B92983C9</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1016/0032-3861(96)00263-7</idno><idno type="url">https://api.istex.fr/document/D74EBD7D81C5BF673BC590C0262335F9B92983C9/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000753</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000753</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title><author><name sortKey="Vautrin Ul, C" sort="Vautrin Ul, C" uniqKey="Vautrin Ul C" first="C." last="Vautrin-Ul">C. Vautrin-Ul</name><affiliation><mods:affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</mods:affiliation></affiliation></author><author><name sortKey="Pla, F" sort="Pla, F" uniqKey="Pla F" first="F." last="Pla">F. Pla</name><affiliation><mods:affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</mods:affiliation></affiliation></author><author><name sortKey="Petit, A" sort="Petit, A" uniqKey="Petit A" first="A." last="Petit">A. Petit</name><affiliation><mods:affiliation>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Polymer</title><title level="j" type="abbrev">JPOL</title><idno type="ISSN">0032-3861</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996">1996</date><biblScope unit="volume">37</biblScope><biblScope unit="issue">18</biblScope><biblScope unit="page" from="4209">4209</biblScope><biblScope unit="page" to="4213">4213</biblScope></imprint><idno type="ISSN">0032-3861</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0032-3861</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Block copolymers</term><term>Carbocationic polymerization</term><term>Cationic polymerization</term><term>Centre blocks</term><term>Chem</term><term>Copolymer</term><term>Electron donor</term><term>Elsevier science</term><term>Experimental conditions</term><term>Good agreement</term><term>Isobutylene</term><term>Linear triblock copolymers</term><term>Molar weight</term><term>Nancy cedex</term><term>Olefinic resonances</term><term>Polym</term><term>Polymer</term><term>Polymer volume</term><term>Polymeric materials</term><term>Proton scavengers</term><term>Sequential monomer addition</term><term>Triblock</term><term>Triblock copolymers</term><term>cyclization</term><term>living carbocationic polymerization</term><term>poly(1,3-pentadiene-b-isobutylene-b-1,3-pentadiene)</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Block copolymers</term><term>Carbocationic polymerization</term><term>Cationic polymerization</term><term>Centre blocks</term><term>Chem</term><term>Copolymer</term><term>Electron donor</term><term>Elsevier science</term><term>Experimental conditions</term><term>Good agreement</term><term>Isobutylene</term><term>Linear triblock copolymers</term><term>Molar weight</term><term>Nancy cedex</term><term>Olefinic resonances</term><term>Polym</term><term>Polymer</term><term>Polymer volume</term><term>Polymeric materials</term><term>Proton scavengers</term><term>Sequential monomer addition</term><term>Triblock</term><term>Triblock copolymers</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl4 as initiating system in n-hexane/CH2Cl2 (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (Mn) in the range of 5000 to 25 000 g mol−1, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with Mn close to 6000 g mol−1. The crude copolymers were purified by CH2Cl2 extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>copolymer</json:string><json:string>polym</json:string><json:string>triblock</json:string><json:string>chem</json:string><json:string>triblock copolymers</json:string><json:string>isobutylene</json:string><json:string>polymer volume</json:string><json:string>polymer</json:string><json:string>polymeric materials</json:string><json:string>block copolymers</json:string><json:string>cationic polymerization</json:string><json:string>good agreement</json:string><json:string>centre blocks</json:string><json:string>experimental conditions</json:string><json:string>linear triblock copolymers</json:string><json:string>electron donor</json:string><json:string>carbocationic polymerization</json:string><json:string>proton scavengers</json:string><json:string>sequential monomer addition</json:string><json:string>molar weight</json:string><json:string>olefinic resonances</json:string><json:string>nancy cedex</json:string><json:string>elsevier science</json:string></teeft></keywords><author><json:item><name>C. Vautrin-Ul</name><affiliations><json:string>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</json:string></affiliations></json:item><json:item><name>F. Pla</name><affiliations><json:string>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</json:string></affiliations></json:item><json:item><name>A. Petit</name><affiliations><json:string>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>poly(1,3-pentadiene-b-isobutylene-b-1,3-pentadiene)</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>living carbocationic polymerization</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>cyclization</value></json:item></subject><articleId><json:string>96002637</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>Short communication</json:string></originalGenre><abstract>Abstract: New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl4 as initiating system in n-hexane/CH2Cl2 (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (Mn) in the range of 5000 to 25 000 g mol−1, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with Mn close to 6000 g mol−1. The crude copolymers were purified by CH2Cl2 extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.</abstract><qualityIndicators><score>4.009</score><pdfVersion>1.3</pdfVersion><pdfPageSize>612 x 882 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>3</keywordCount><abstractCharCount>906</abstractCharCount><pdfWordCount>2461</pdfWordCount><pdfCharCount>15481</pdfCharCount><pdfPageCount>5</pdfPageCount><abstractWordCount>129</abstractWordCount></qualityIndicators><title>Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title><pii><json:string>0032-3861(96)00263-7</json:string></pii><genre><json:string>brief-communication</json:string></genre><host><title>Polymer</title><language><json:string>unknown</json:string></language><publicationDate>1996</publicationDate><issn><json:string>0032-3861</json:string></issn><pii><json:string>S0032-3861(00)X0036-5</json:string></pii><volume>37</volume><issue>18</issue><pages><first>4209</first><last>4213</last></pages><genre><json:string>journal</json:string></genre></host><categories><wos><json:string>science</json:string><json:string>polymer science</json:string></wos><scienceMetrix><json:string>natural sciences</json:string><json:string>chemistry</json:string><json:string>polymers</json:string></scienceMetrix><inist><json:string>sciences appliquees, technologies et medecines</json:string><json:string>sciences biologiques et medicales</json:string><json:string>sciences biologiques fondamentales et appliquees. psychologie</json:string><json:string>physiologie vegetale et developpement</json:string></inist></categories><publicationDate>1996</publicationDate><copyrightDate>1996</copyrightDate><doi><json:string>10.1016/0032-3861(96)00263-7</json:string></doi><id>D74EBD7D81C5BF673BC590C0262335F9B92983C9</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/D74EBD7D81C5BF673BC590C0262335F9B92983C9/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/D74EBD7D81C5BF673BC590C0262335F9B92983C9/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D74EBD7D81C5BF673BC590C0262335F9B92983C9/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©1996 Elsevier Science Ltd. All rights reserved</p></availability><date>1996</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title><author xml:id="author-0000"><persName><forename type="first">C.</forename><surname>Vautrin-Ul</surname></persName><affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation></author><author xml:id="author-0001"><persName><forename type="first">F.</forename><surname>Pla</surname></persName><affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation></author><author xml:id="author-0002"><persName><forename type="first">A.</forename><surname>Petit</surname></persName><affiliation>To whom correspondence should be addressed</affiliation><affiliation>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation></author><idno type="istex">D74EBD7D81C5BF673BC590C0262335F9B92983C9</idno><idno type="DOI">10.1016/0032-3861(96)00263-7</idno><idno type="PII">0032-3861(96)00263-7</idno><idno type="ArticleID">96002637</idno></analytic><monogr><title level="j">Polymer</title><title level="j" type="abbrev">JPOL</title><idno type="pISSN">0032-3861</idno><idno type="PII">S0032-3861(00)X0036-5</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996"></date><biblScope unit="volume">37</biblScope><biblScope unit="issue">18</biblScope><biblScope unit="page" from="4209">4209</biblScope><biblScope unit="page" to="4213">4213</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1996</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Abstract: New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl4 as initiating system in n-hexane/CH2Cl2 (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (Mn) in the range of 5000 to 25 000 g mol−1, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with Mn close to 6000 g mol−1. The crude copolymers were purified by CH2Cl2 extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>poly(1,3-pentadiene-b-isobutylene-b-1,3-pentadiene)</term></item><item><term>living carbocationic polymerization</term></item><item><term>cyclization</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1996">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/D74EBD7D81C5BF673BC590C0262335F9B92983C9/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier doc found" wicri:toSee="Elsevier, no converted or simple article"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 5.0.1//EN//XML" URI="art501.dtd" name="istex:docType"></istex:docType><istex:document><article version="5.0" xml:lang="en" docsubtype="sco"><item-info><jid>JPOL</jid><aid>96002637</aid><ce:pii>0032-3861(96)00263-7</ce:pii><ce:doi>10.1016/0032-3861(96)00263-7</ce:doi><ce:copyright type="unknown" year="1996">Elsevier Science Ltd. All rights reserved</ce:copyright></item-info><head><ce:title>Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</ce:title><ce:author-group><ce:author><ce:given-name>C.</ce:given-name><ce:surname>Vautrin-Ul</ce:surname></ce:author><ce:author><ce:given-name>F.</ce:given-name><ce:surname>Pla</ce:surname></ce:author><ce:affiliation><ce:textfn>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</ce:textfn></ce:affiliation></ce:author-group><ce:author-group><ce:author><ce:given-name>A.</ce:given-name><ce:surname>Petit</ce:surname><ce:cross-ref refid="cor1"><ce:sup>*</ce:sup></ce:cross-ref></ce:author><ce:affiliation><ce:textfn>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</ce:textfn></ce:affiliation><ce:correspondence id="cor1"><ce:label>*</ce:label><ce:text>To whom correspondence should be addressed</ce:text></ce:correspondence></ce:author-group><ce:date-received day="12" month="2" year="1996"></ce:date-received><ce:abstract id="ab1" class="author" xml:lang="en"><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl<ce:inf>4</ce:inf> as initiating system in <ce:italic>n</ce:italic>-hexane/CH<ce:inf>2</ce:inf>Cl<ce:inf>2</ce:inf> (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (<ce:italic>M</ce:italic><ce:inf>n</ce:inf>) in the range of 5000 to 25 000 g mol<ce:sup>−1</ce:sup>, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with <ce:italic>M</ce:italic><ce:inf>n</ce:inf> close to 6000 g mol<ce:sup>−1</ce:sup>. The crude copolymers were purified by CH<ce:inf>2</ce:inf>Cl<ce:inf>2</ce:inf> extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword" xml:lang="en"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>poly(1,3-pentadiene-<ce:italic>b</ce:italic>-isobutylene-<ce:italic>b</ce:italic>-1,3-pentadiene)</ce:text></ce:keyword><ce:keyword><ce:text>living carbocationic polymerization</ce:text></ce:keyword><ce:keyword><ce:text>cyclization</ce:text></ce:keyword></ce:keywords></head><tail><ce:bibliography><ce:section-title>References</ce:section-title><ce:bibliography-sec><ce:bib-reference id="bib1"><ce:label>1</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Szwarc</ce:surname><ce:given-name>M.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Carbanions, Living Polymers and Electron Transfer Processes</sb:maintitle></sb:title></sb:contribution><sb:host><sb:book><sb:date>1968</sb:date><sb:publisher><sb:name>Interscience</sb:name><sb:location>New York</sb:location></sb:publisher></sb:book></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib2"><ce:label>2</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Morton</ce:surname><ce:given-name>M.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Anionic Polymerization: Principles and Practice</sb:maintitle></sb:title></sb:contribution><sb:host><sb:book><sb:date>1983</sb:date><sb:publisher><sb:name>Academic Press</sb:name><sb:location>New York</sb:location></sb:publisher></sb:book></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib3"><ce:label>3</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Rempp</ce:surname><ce:given-name>P.</ce:given-name></sb:author><sb:author><ce:surname>Franta</ce:surname><ce:given-name>E.</ce:given-name></sb:author><sb:author><ce:surname>Hertz</ce:surname><ce:given-name>J.E.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Adv. Polym. Sci.</sb:maintitle></sb:title><sb:volume-nr>86</sb:volume-nr></sb:series><sb:date>1988</sb:date></sb:issue><sb:pages><sb:first-page>145</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib4"><ce:label>4</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Müller</ce:surname><ce:given-name>A.H.E.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:edited-book><sb:book-series><sb:editors><sb:editor><ce:surname>Allen</ce:surname><ce:given-name>G.</ce:given-name></sb:editor><sb:editor><ce:surname>Bevington</ce:surname><ce:given-name>J.C.</ce:given-name></sb:editor></sb:editors><sb:series><sb:title><sb:maintitle>Comprehensive Polymer Science</sb:maintitle></sb:title><sb:volume-nr>Vol. 3</sb:volume-nr></sb:series></sb:book-series><sb:date>1988</sb:date><sb:publisher><sb:name>Pergamon</sb:name><sb:location>Oxford</sb:location></sb:publisher></sb:edited-book><sb:pages><sb:first-page>387</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib5"><ce:label>5</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Allport</ce:surname><ce:given-name>D.C.</ce:given-name></sb:author><sb:author><ce:surname>Janes</ce:surname><ce:given-name>W.H.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Block Copolymers</sb:maintitle></sb:title></sb:contribution><sb:host><sb:book><sb:date>1973</sb:date><sb:publisher><sb:name>Applied Science</sb:name><sb:location>London</sb:location></sb:publisher></sb:book></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib6"><ce:label>6</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kraus</ce:surname><ce:given-name>G.</ce:given-name></sb:author><sb:author><ce:surname>Rollmann</ce:surname><ce:given-name>W.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Phys. Edn.</sb:maintitle></sb:title><sb:volume-nr>14</sb:volume-nr></sb:series><sb:date>1976</sb:date></sb:issue><sb:pages><sb:first-page>1133</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib7"><ce:label>7</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Noshay</ce:surname><ce:given-name>A.</ce:given-name></sb:author><sb:author><ce:surname>McGrath</ce:surname><ce:given-name>J.E.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Block Copolymers</sb:maintitle></sb:title></sb:contribution><sb:host><sb:book><sb:date>1977</sb:date><sb:publisher><sb:name>Academic Press</sb:name><sb:location>New York</sb:location></sb:publisher></sb:book></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib8"><ce:label>8</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Miyamoto</ce:surname><ce:given-name>M.</ce:given-name></sb:author><sb:author><ce:surname>Sawamoto</ce:surname><ce:given-name>M.</ce:given-name></sb:author><sb:author><ce:surname>Higashimura</ce:surname><ce:given-name>T.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Macromolecules</sb:maintitle></sb:title><sb:volume-nr>17</sb:volume-nr></sb:series><sb:date>1984</sb:date></sb:issue><sb:pages><sb:first-page>265</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib9"><ce:label>9</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Higashimura</ce:surname><ce:given-name>T.</ce:given-name></sb:author><sb:author><ce:surname>Sawamoto</ce:surname><ce:given-name>M.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Adv. Polym. Sci.</sb:maintitle></sb:title><sb:volume-nr>62</sb:volume-nr></sb:series><sb:date>1984</sb:date></sb:issue><sb:pages><sb:first-page>49</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib10"><ce:label>10</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Faust</ce:surname><ce:given-name>R.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Bull.</sb:maintitle></sb:title><sb:volume-nr>15</sb:volume-nr></sb:series><sb:date>1986</sb:date></sb:issue><sb:pages><sb:first-page>317</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib11"><ce:label>11</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Faust</ce:surname><ce:given-name>R.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>25</sb:volume-nr></sb:series><sb:date>1987</sb:date></sb:issue><sb:pages><sb:first-page>1847</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib12"><ce:label>12</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Mishra</ce:surname><ce:given-name>M.K.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Macromol. Sci.-Chem.</sb:maintitle></sb:title><sb:volume-nr>A24</sb:volume-nr></sb:series><sb:date>1987</sb:date></sb:issue><sb:pages><sb:first-page>933</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib13"><ce:label>13</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Ivan</ce:surname><ce:given-name>B.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Designed Polymers by Carbocationic Macromolecular Engineering: Theory and Practice</sb:maintitle></sb:title></sb:contribution><sb:host><sb:book><sb:date>1991</sb:date><sb:publisher><sb:name>Hanser Publishers</sb:name><sb:location>Munich</sb:location></sb:publisher></sb:book></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib14"><ce:label>14</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kaszas</ce:surname><ce:given-name>G.</ce:given-name></sb:author><sb:author><ce:surname>Puskas</ce:surname><ce:given-name>J.E.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Hager</ce:surname><ce:given-name>W.G.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>29</sb:volume-nr></sb:series><sb:date>1991</sb:date></sb:issue><sb:pages><sb:first-page>427</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib15"><ce:label>15</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Kurian</ce:surname><ce:given-name>J.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>28</sb:volume-nr></sb:series><sb:date>1990</sb:date></sb:issue><sb:pages><sb:first-page>3725</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib16"><ce:label>16</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Meguriya</ce:surname><ce:given-name>N.</ce:given-name></sb:author><sb:author><ce:surname>Keszler</ce:surname><ce:given-name>B.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Macromolecules</sb:maintitle></sb:title><sb:volume-nr>24</sb:volume-nr></sb:series><sb:date>1991</sb:date></sb:issue><sb:pages><sb:first-page>6572</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib17"><ce:label>17</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Tsunogae</ce:surname><ce:given-name>Y.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Polym. Bull.</sb:maintitle></sb:title><sb:volume-nr>27</sb:volume-nr></sb:series><sb:date>1992</sb:date></sb:issue><sb:pages><sb:first-page>631</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib18"><ce:label>18</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Tsunogae</ce:surname><ce:given-name>Y.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>32</sb:volume-nr></sb:series><sb:date>1994</sb:date></sb:issue><sb:pages><sb:first-page>403</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib19"><ce:label>19</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Fodor</ce:surname><ce:given-name>Z.</ce:given-name></sb:author><sb:author><ce:surname>Faust</ce:surname><ce:given-name>R.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Macromol. Sci.—Pure Appl. Chem.</sb:maintitle></sb:title><sb:volume-nr>A32</sb:volume-nr></sb:series><sb:date>1995</sb:date></sb:issue><sb:pages><sb:first-page>575</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib20"><ce:label>20</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Oh</ce:surname><ce:given-name>J.-M.</ce:given-name></sb:author><sb:author><ce:surname>Kang</ce:surname><ce:given-name>S.-J.</ce:given-name></sb:author><sb:author><ce:surname>Kwon</ce:surname><ce:given-name>O.-S.</ce:given-name></sb:author><sb:author><ce:surname>Choi</ce:surname><ce:given-name>S.-K.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Macromolecules</sb:maintitle></sb:title><sb:volume-nr>28</sb:volume-nr></sb:series><sb:date>1995</sb:date></sb:issue><sb:pages><sb:first-page>3015</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib21"><ce:label>21</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Keszler</ce:surname><ce:given-name>B.</ce:given-name></sb:author><sb:author><ce:surname>Tsunogae</ce:surname><ce:given-name>Y.</ce:given-name></sb:author><sb:author><ce:surname>Midha</ce:surname><ce:given-name>S.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.)</sb:maintitle></sb:title><sb:volume-nr>32</sb:volume-nr></sb:series><sb:date>1991</sb:date></sb:issue><sb:pages><sb:first-page>310</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib22"><ce:label>22</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Price</ce:surname><ce:given-name>J.L.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Mater. Sci. Eng.</sb:maintitle></sb:title><sb:volume-nr>64</sb:volume-nr></sb:series><sb:date>1991</sb:date></sb:issue><sb:pages><sb:first-page>40</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib23"><ce:label>23</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kaszas</ce:surname><ce:given-name>G.</ce:given-name></sb:author><sb:author><ce:surname>Puskas</ce:surname><ce:given-name>J.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Appl. Polym. Sci.</sb:maintitle></sb:title><sb:volume-nr>39</sb:volume-nr></sb:series><sb:date>1990</sb:date></sb:issue><sb:pages><sb:first-page>119</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib24"><ce:label>24</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Petit</ce:surname><ce:given-name>A.</ce:given-name></sb:author><sb:author><ce:surname>Néel</ce:surname><ce:given-name>J.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>24</sb:volume-nr></sb:series><sb:date>1986</sb:date></sb:issue><sb:pages><sb:first-page>883</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib25"><ce:label>25</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Petit</ce:surname><ce:given-name>A.</ce:given-name></sb:author><sb:author><ce:surname>Chung</ce:surname><ce:given-name>M.T.</ce:given-name></sb:author><sb:author><ce:surname>Néel</ce:surname><ce:given-name>J.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Polym. Sci., Polym. Chem. Edn.</sb:maintitle></sb:title><sb:volume-nr>26</sb:volume-nr></sb:series><sb:date>1988</sb:date></sb:issue><sb:pages><sb:first-page>1093</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib26"><ce:label>26</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Petit</ce:surname><ce:given-name>A.</ce:given-name></sb:author><sb:author><ce:surname>Cung</ce:surname><ce:given-name>M.T.</ce:given-name></sb:author><sb:author><ce:surname>Néel</ce:surname><ce:given-name>J.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Chim. Phys.</sb:maintitle></sb:title><sb:volume-nr>85</sb:volume-nr></sb:series><sb:date>1988</sb:date></sb:issue><sb:pages><sb:first-page>319</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib27"><ce:label>27</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Petit</ce:surname><ce:given-name>A.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Eur. Polym. J.</sb:maintitle></sb:title><sb:volume-nr>29</sb:volume-nr></sb:series><sb:date>1993</sb:date></sb:issue><sb:pages><sb:first-page>1419</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib28"><ce:label>28</ce:label><ce:other-ref><ce:textref>Vautrin-Ul, C., Pla, F. and Petit, A. (to be published)</ce:textref></ce:other-ref></ce:bib-reference><ce:bib-reference id="bib29"><ce:label>29</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kaszas</ce:surname><ce:given-name>G.</ce:given-name></sb:author><sb:author><ce:surname>Puskas</ce:surname><ce:given-name>J.</ce:given-name></sb:author><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Polym. Bull.</sb:maintitle></sb:title><sb:volume-nr>18</sb:volume-nr></sb:series><sb:date>1987</sb:date></sb:issue><sb:pages><sb:first-page>123</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib30"><ce:label>30</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Kennedy</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author><sb:author><ce:surname>Hayashi</ce:surname><ce:given-name>Atsuschi</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Macromol. Sci.—Chem.</sb:maintitle></sb:title><sb:volume-nr>A28</sb:volume-nr></sb:series><sb:date>1991</sb:date></sb:issue><sb:pages><sb:first-page>197</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib31"><ce:label>31</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Pratap</ce:surname><ce:given-name>G.</ce:given-name></sb:author><sb:author><ce:surname>Wang</ce:surname><ce:given-name>J.</ce:given-name></sb:author><sb:author><ce:surname>Heller</ce:surname><ce:given-name>J.P.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. Appl. Polym. Sci.</sb:maintitle></sb:title><sb:volume-nr>46</sb:volume-nr></sb:series><sb:date>1992</sb:date></sb:issue><sb:pages><sb:first-page>1117</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib32"><ce:label>32</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Denisova</ce:surname><ce:given-name>T.T.</ce:given-name></sb:author><sb:author><ce:surname>Livshits</ce:surname><ce:given-name>I.A.</ce:given-name></sb:author><sb:author><ce:surname>Gershtein</ce:surname><ce:given-name>Y.R.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Polym. Sci. USSR</sb:maintitle></sb:title></sb:series><sb:date>1974</sb:date></sb:issue><sb:pages><sb:first-page>1017</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference><ce:bib-reference id="bib33"><ce:label>33</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Peng</ce:surname><ce:given-name>Y.X.</ce:given-name></sb:author><sb:author><ce:surname>Nguyen</ce:surname><ce:given-name>H.A.</ce:given-name></sb:author><sb:author><ce:surname>Macedo</ce:surname><ce:given-name>A.</ce:given-name></sb:author><sb:author><ce:surname>Cheradame</ce:surname><ce:given-name>H.</ce:given-name></sb:author></sb:authors></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Eur. Polym. J.</sb:maintitle></sb:title><sb:volume-nr>30</sb:volume-nr></sb:series><sb:date>1994</sb:date></sb:issue><sb:pages><sb:first-page>69</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference></ce:bibliography-sec></ce:bibliography></tail></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Synthesis and characterization of new triblock copolymers of isobutylene and 1,3-pentadiene</title></titleInfo><name type="personal"><namePart type="given">C.</namePart><namePart type="family">Vautrin-Ul</namePart><affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">F.</namePart><namePart type="family">Pla</namePart><affiliation>Laboratoire des Sciences du Génie Chimique, CNRS-UPR 6811, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Petit</namePart><affiliation>Laboratoire de Chimie-Physique Macromoléculaire, CNRS-URA 494, ENSIC-INPL, 1 rue Grandville, BP 451, 54001 Nancy Cedex, France</affiliation><description>To whom correspondence should be addressed</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="brief-communication" displayLabel="Short communication" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-S9SX2MFS-0">brief-communication</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1996</dateIssued><copyrightDate encoding="w3cdtf">1996</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: New linear triblock copolymers consisting of a rubbery polyisobutylene (PIB) midsegment bonded both sides by glassy cyclized poly(1,3-pentadiene) (cy-PPD) blocks were synthesized by carbocationic polymerization using sequential monomer addition. First, the living polymerization of isobutylene (IB) was induced by bifunctional dicumylmethylether (DiCumOMe)/TiCl4 as initiating system in n-hexane/CH2Cl2 (1/1 v/v) as solvent mixture at −60°C in the presence of DMSO as electron donor (ED). After the living PIB sequences had reached the desired number average molar weight (Mn) in the range of 5000 to 25 000 g mol−1, 1,3-pentadiene (PD) was added to produce the hard cy-PPD outer blocks with Mn close to 6000 g mol−1. The crude copolymers were purified by CH2Cl2 extraction at −60°C and characterized by size exclusion chromatography (s.e.c.) and nuclear magnetic resonance (n.m.r.) spectroscopy.</abstract><subject lang="en"><genre>Keywords</genre><topic>poly(1,3-pentadiene-b-isobutylene-b-1,3-pentadiene)</topic><topic>living carbocationic polymerization</topic><topic>cyclization</topic></subject><relatedItem type="host"><titleInfo><title>Polymer</title></titleInfo><titleInfo type="abbreviated"><title>JPOL</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">199609</dateIssued></originInfo><identifier type="ISSN">0032-3861</identifier><identifier type="PII">S0032-3861(00)X0036-5</identifier><part><date>199609</date><detail type="volume"><number>37</number><caption>vol.</caption></detail><detail type="issue"><number>18</number><caption>no.</caption></detail><extent unit="issue-pages"><start>4003</start><end>4222</end></extent><extent unit="pages"><start>4209</start><end>4213</end></extent></part></relatedItem><identifier type="istex">D74EBD7D81C5BF673BC590C0262335F9B92983C9</identifier><identifier type="ark">ark:/67375/6H6-XNWF6QK7-9</identifier><identifier type="DOI">10.1016/0032-3861(96)00263-7</identifier><identifier type="PII">0032-3861(96)00263-7</identifier><identifier type="ArticleID">96002637</identifier><accessCondition type="use and reproduction" contentType="copyright">©1996 Elsevier Science Ltd. 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