Syntheses and thermodynamic studies on the protonation behaviour of polymers containing acylpiperazinyl units in the backbone or in the side chain of a vinyl polymer
Identifieur interne : 000832 ( Istex/Corpus ); précédent : 000831; suivant : 000833Syntheses and thermodynamic studies on the protonation behaviour of polymers containing acylpiperazinyl units in the backbone or in the side chain of a vinyl polymer
Auteurs : Rolando Barbucci ; Mario Casolaro ; Paolo Ferruti ; M. Cristina Tanzi ; Lucia Grassi ; Chiara BarozziSource :
- Die Makromolekulare Chemie [ 0025-116X ] ; 1984-08.
English descriptors
- Teeft :
- Acryloyl chloride, Amido groups, Amino groups, Aqueous solution, Barbucci, Barone, Basicity, Basicity constants, Behaviour, Calorimetric, Calorimetric measurements, Calorimetric techniques, Casolaro, Constant weight, Corresponding monomer, Experimental details, Ferruti, Full agreement, Greater hydration, Hydrochloric acid, Hydrogen bonds, Initial amount, Ionic strength, Macromolecular chain, Macromolecule, Methyl groups, Nacl, Nacl solution, Negative values, Neighbouring unit, Other hand, Polymer, Polyvinylic structure, Potentiometric, Potentiometric measurements, Protonation, Protonation behaviour, Radical polymerization, Reaction mixture, Reaction vessel, Tanzi, Thermodynamic, Thermodynamic studies, Thermodynamic values, Titrant conc, Titration, Titration curve.
Abstract
Linear poly(1,4‐piperazinediyl‐1‐oxotrimethylene) (1), in which amido and tertiary amino groups regularly alternate along the macromolecular chain, the isomeric poly[1‐(1‐piperazinyl‐carbonyl)ethylene] (8) for polyvinylic structure and its N‐methylated derivative, poly{1‐[(4‐methyl‐1‐piperazinyl)carbonyl]ethylene} (3), were prepared and characterized. Their protonation behaviour was investigated in aqueous solution by potentiometric and calorimetric techniques. In all cases the basicity constants were found to decrease linearly with α (the degree of protonation), whereas the enthalpy changes show a different behaviour toward protonation. The thermodynamic values indicate the important role of hydrophobic interactions.
Url:
DOI: 10.1002/macp.1984.021850804
Links to Exploration step
ISTEX:4EC6EA613055D5C2E459CDB3C0876918A3EE9301Le document en format XML
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Their protonation behaviour was investigated in aqueous solution by potentiometric and calorimetric techniques. In all cases the basicity constants were found to decrease linearly with α (the degree of protonation), whereas the enthalpy changes show a different behaviour toward protonation. 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Chem.</title></titleGroup></publicationMeta><publicationMeta level="part" position="80"><doi origin="wiley" registered="yes">10.1002/macp.02.v185:8</doi><numberingGroup><numbering type="journalVolume" number="185">185</numbering><numbering type="journalIssue">8</numbering></numberingGroup><coverDate startDate="1984-08">August 1984</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="4" status="forIssue"><doi origin="wiley" registered="yes">10.1002/macp.1984.021850804</doi><idGroup><id type="unit" value="MACP021850804"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="articleCategory">Article</title><title type="tocHeading1">Articles</title></titleGroup><copyright ownership="publisher">© 1984 Hüthig & Wepf Verlag, Basel</copyright><eventGroup><event type="manuscriptReceived" date="1984-01-17"></event><event type="firstOnline" date="2003-03-12"></event><event type="publishedOnlineFinalForm" date="2003-03-12"></event><event type="xmlConverted" agent="Converter:JWSART34_TO_WML3G version:2.5.2 mode:FullText source:HeaderRef result:HeaderRef" date="2011-07-06"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-02"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-16"></event></eventGroup><numberingGroup><numbering type="pageFirst">1525</numbering><numbering type="pageLast">1535</numbering></numberingGroup><correspondenceTo>Dipartimento di Chimica dell'Universita' di Siena, Piano dei Mantellini 44, 53100 Siena, Italy</correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:MACP.MACP021850804.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="2"></count><count type="tableTotal" number="4"></count><count type="referenceTotal" number="22"></count></countGroup><titleGroup><title type="main" xml:lang="en">Syntheses and thermodynamic studies on the protonation behaviour of polymers containing acylpiperazinyl units in the backbone or in the side chain of a vinyl polymer</title><title type="short" xml:lang="en">Syntheses and thermodynamic studies on the protonation behaviour of polymers…</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>Rolando</givenNames><familyName>Barbucci</familyName></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Mario</givenNames><familyName>Casolaro</familyName></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Paolo</givenNames><familyName>Ferruti</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af3"><personName><givenNames>M. Cristina</givenNames><familyName>Tanzi</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af3"><personName><givenNames>Lucia</givenNames><familyName>Grassi</familyName></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af3"><personName><givenNames>Chiara</givenNames><familyName>Barozzi</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="IT" type="organization"><unparsedAffiliation>Dipartimento di Chimica dell'Universita' di Siena, Piano dei Mantellini 44, 53100 Siena, Italy</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="IT" type="organization"><unparsedAffiliation>Cattedra di Chimica Applicata, Dipartimento di Ingegneria Meccanica dell'Universita' di Brescia, 25100 Brescia, Italy</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="IT" type="organization"><unparsedAffiliation>Dipartimento di Chimica Industriale e Ingegneria Chimica del Politecnico, P. za L. Da Vinci 32, 20133 Milano, Italy</unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Linear poly(1,4‐piperazinediyl‐1‐oxotrimethylene) (<b>1</b>), in which amido and tertiary amino groups regularly alternate along the macromolecular chain, the isomeric poly[1‐(1‐piperazinyl‐carbonyl)ethylene] (<b>8</b>) for polyvinylic structure and its <i>N</i>‐methylated derivative, poly{1‐[(4‐methyl‐1‐piperazinyl)carbonyl]ethylene} (<b>3</b>), were prepared and characterized. Their protonation behaviour was investigated in aqueous solution by potentiometric and calorimetric techniques. In all cases the basicity constants were found to decrease linearly with α (the degree of protonation), whereas the enthalpy changes show a different behaviour toward protonation. The thermodynamic values indicate the important role of hydrophobic interactions.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Syntheses and thermodynamic studies on the protonation behaviour of polymers containing acylpiperazinyl units in the backbone or in the side chain of a vinyl polymer</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Syntheses and thermodynamic studies on the protonation behaviour of polymers…</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Syntheses and thermodynamic studies on the protonation behaviour of polymers containing acylpiperazinyl units in the backbone or in the side chain of a vinyl polymer</title></titleInfo><name type="personal"><namePart type="given">Rolando</namePart><namePart type="family">Barbucci</namePart><affiliation>Dipartimento di Chimica dell'Universita' di Siena, Piano dei Mantellini 44, 53100 Siena, Italy</affiliation><affiliation>Dipartimento di Chimica dell'Universita' di Siena, Piano dei Mantellini 44, 53100 Siena, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Mario</namePart><namePart type="family">Casolaro</namePart><affiliation>Dipartimento di Chimica dell'Universita' di Siena, Piano dei Mantellini 44, 53100 Siena, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Paolo</namePart><namePart type="family">Ferruti</namePart><affiliation>Cattedra di Chimica Applicata, Dipartimento di Ingegneria Meccanica dell'Universita' di Brescia, 25100 Brescia, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">M. Cristina</namePart><namePart type="family">Tanzi</namePart><affiliation>Dipartimento di Chimica Industriale e Ingegneria Chimica del Politecnico, P. za L. Da Vinci 32, 20133 Milano, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Lucia</namePart><namePart type="family">Grassi</namePart><affiliation>Dipartimento di Chimica Industriale e Ingegneria Chimica del Politecnico, P. za L. Da Vinci 32, 20133 Milano, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Chiara</namePart><namePart type="family">Barozzi</namePart><affiliation>Dipartimento di Chimica Industriale e Ingegneria Chimica del Politecnico, P. za L. Da Vinci 32, 20133 Milano, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Hüthig & Wepf Verlag</publisher><place><placeTerm type="text">Basel</placeTerm></place><dateIssued encoding="w3cdtf">1984-08</dateIssued><dateCaptured encoding="w3cdtf">1984-01-17</dateCaptured><copyrightDate encoding="w3cdtf">1984</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">2</extent><extent unit="tables">4</extent><extent unit="references">22</extent></physicalDescription><abstract>Linear poly(1,4‐piperazinediyl‐1‐oxotrimethylene) (1), in which amido and tertiary amino groups regularly alternate along the macromolecular chain, the isomeric poly[1‐(1‐piperazinyl‐carbonyl)ethylene] (8) for polyvinylic structure and its N‐methylated derivative, poly{1‐[(4‐methyl‐1‐piperazinyl)carbonyl]ethylene} (3), were prepared and characterized. Their protonation behaviour was investigated in aqueous solution by potentiometric and calorimetric techniques. In all cases the basicity constants were found to decrease linearly with α (the degree of protonation), whereas the enthalpy changes show a different behaviour toward protonation. The thermodynamic values indicate the important role of hydrophobic interactions.</abstract><relatedItem type="host"><titleInfo><title>Die Makromolekulare Chemie</title></titleInfo><titleInfo type="abbreviated"><title>Makromol. Chem.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Article</topic></subject><identifier type="ISSN">0025-116X</identifier><identifier type="eISSN">0025-116X</identifier><identifier type="DOI">10.1002/(ISSN)0025-116X</identifier><identifier type="PublisherID">MACP</identifier><part><date>1984</date><detail type="volume"><caption>vol.</caption><number>185</number></detail><detail type="issue"><caption>no.</caption><number>8</number></detail><extent unit="pages"><start>1525</start><end>1535</end><total>11</total></extent></part></relatedItem><identifier type="istex">4EC6EA613055D5C2E459CDB3C0876918A3EE9301</identifier><identifier type="DOI">10.1002/macp.1984.021850804</identifier><identifier type="ArticleID">MACP021850804</identifier><accessCondition type="use and reproduction" contentType="copyright">© 1984 Hüthig & Wepf Verlag, Basel</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Hüthig & Wepf Verlag</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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