Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene
Identifieur interne : 000835 ( Istex/Corpus ); précédent : 000834; suivant : 000836Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene
Auteurs : Bin Li ; Guo-Hua Hu ; Gui-Ping Cao ; Tao Liu ; Ling Zhao ; Wei-Kang YuanSource :
- Journal of Applied Polymer Science [ 0021-8995 ] ; 2006-11-15.
English descriptors
- KwdEn :
- Appl polym, Benzoate, Chem, Contract grant number, Cooling rate, Cosolvent, Crystalline phases, Crystalline structures, Crystallinity, Crystallization, Crystallization behavior, Crystallization process, Crystallization rate, Crystallization temperature, Dispersion, Ethanol, Isothermal, Isothermal crystallization, Kinetics, Mass uptake, Nabz, Nabz particles, Nanometer scale, Nonisothermal, Nonisothermal crystallization, Nonisothermal crystallization kinetics, Nucleating, Nucleating agent, Penetration process, Polym, Polymer, Relative crystallinity, Scco2, Scco2 pressure, Sodium benzoate, Supercritical carbon dioxide.
- Teeft :
- Appl polym, Benzoate, Chem, Contract grant number, Cooling rate, Cosolvent, Crystalline phases, Crystalline structures, Crystallinity, Crystallization, Crystallization behavior, Crystallization process, Crystallization rate, Crystallization temperature, Dispersion, Ethanol, Isothermal, Isothermal crystallization, Kinetics, Mass uptake, Nabz, Nabz particles, Nanometer scale, Nonisothermal, Nonisothermal crystallization, Nonisothermal crystallization kinetics, Nucleating, Nucleating agent, Penetration process, Polym, Polymer, Relative crystallinity, Scco2, Scco2 pressure, Sodium benzoate, Supercritical carbon dioxide.
Abstract
This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO2) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO2, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO2 had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006
Url:
DOI: 10.1002/app.24559
Links to Exploration step
ISTEX:A311318F2100CA9FE67B19771181ACA59C89D21BLe document en format XML
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China</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: wkyuan@ecust.edu.cn</mods:affiliation></affiliation><affiliation><mods:affiliation>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France===Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Applied Polymer Science</title><title level="j" type="alt">JOURNAL OF APPLIED POLYMER SCIENCE</title><idno type="ISSN">0021-8995</idno><idno type="eISSN">1097-4628</idno><imprint><biblScope unit="vol">102</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="3212">3212</biblScope><biblScope unit="page" to="3220">3220</biblScope><biblScope unit="page-count">9</biblScope><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2006-11-15">2006-11-15</date></imprint><idno type="ISSN">0021-8995</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0021-8995</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Appl polym</term><term>Benzoate</term><term>Chem</term><term>Contract grant number</term><term>Cooling rate</term><term>Cosolvent</term><term>Crystalline phases</term><term>Crystalline structures</term><term>Crystallinity</term><term>Crystallization</term><term>Crystallization behavior</term><term>Crystallization process</term><term>Crystallization rate</term><term>Crystallization temperature</term><term>Dispersion</term><term>Ethanol</term><term>Isothermal</term><term>Isothermal crystallization</term><term>Kinetics</term><term>Mass uptake</term><term>Nabz</term><term>Nabz particles</term><term>Nanometer scale</term><term>Nonisothermal</term><term>Nonisothermal crystallization</term><term>Nonisothermal crystallization kinetics</term><term>Nucleating</term><term>Nucleating agent</term><term>Penetration process</term><term>Polym</term><term>Polymer</term><term>Relative crystallinity</term><term>Scco2</term><term>Scco2 pressure</term><term>Sodium benzoate</term><term>Supercritical carbon dioxide</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Appl polym</term><term>Benzoate</term><term>Chem</term><term>Contract grant number</term><term>Cooling rate</term><term>Cosolvent</term><term>Crystalline phases</term><term>Crystalline structures</term><term>Crystallinity</term><term>Crystallization</term><term>Crystallization behavior</term><term>Crystallization process</term><term>Crystallization rate</term><term>Crystallization temperature</term><term>Dispersion</term><term>Ethanol</term><term>Isothermal</term><term>Isothermal crystallization</term><term>Kinetics</term><term>Mass uptake</term><term>Nabz</term><term>Nabz particles</term><term>Nanometer scale</term><term>Nonisothermal</term><term>Nonisothermal crystallization</term><term>Nonisothermal crystallization kinetics</term><term>Nucleating</term><term>Nucleating agent</term><term>Penetration process</term><term>Polym</term><term>Polymer</term><term>Relative crystallinity</term><term>Scco2</term><term>Scco2 pressure</term><term>Sodium benzoate</term><term>Supercritical carbon dioxide</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO2) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO2, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO2 had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006</div></front></TEI><istex><corpusName>wiley</corpusName><keywords><teeft><json:string>nabz</json:string><json:string>scco2</json:string><json:string>mass uptake</json:string><json:string>polym</json:string><json:string>crystallinity</json:string><json:string>nonisothermal</json:string><json:string>cooling rate</json:string><json:string>nucleating</json:string><json:string>crystallization</json:string><json:string>cosolvent</json:string><json:string>crystallization temperature</json:string><json:string>benzoate</json:string><json:string>isothermal crystallization</json:string><json:string>kinetics</json:string><json:string>isothermal</json:string><json:string>chem</json:string><json:string>sodium benzoate</json:string><json:string>appl polym</json:string><json:string>relative crystallinity</json:string><json:string>nucleating agent</json:string><json:string>scco2 pressure</json:string><json:string>nanometer scale</json:string><json:string>crystallization rate</json:string><json:string>polymer</json:string><json:string>crystallization behavior</json:string><json:string>nabz particles</json:string><json:string>nonisothermal crystallization kinetics</json:string><json:string>ethanol</json:string><json:string>penetration process</json:string><json:string>supercritical carbon dioxide</json:string><json:string>crystallization process</json:string><json:string>nonisothermal crystallization</json:string><json:string>contract grant number</json:string><json:string>crystalline phases</json:string><json:string>crystalline structures</json:string><json:string>dispersion</json:string></teeft></keywords><author><json:item><name>Bin Li</name><affiliations><json:string>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</json:string></affiliations></json:item><json:item><name>Guo‐Hua Hu</name><affiliations><json:string>Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France</json:string><json:string>Institut Universitaire de France, Maison des Universités, 75005 Paris, France</json:string><json:string>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France===Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</json:string></affiliations></json:item><json:item><name>Gui‐Ping Cao</name><affiliations><json:string>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</json:string></affiliations></json:item><json:item><name>Tao Liu</name><affiliations><json:string>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</json:string></affiliations></json:item><json:item><name>Ling Zhao</name><affiliations><json:string>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</json:string></affiliations></json:item><json:item><name>Wei‐Kang Yuan</name><affiliations><json:string>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</json:string><json:string>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France===Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>supercritical carbon dioxide</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>polypropylene</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>sodium benzoate</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>dispersion</value></json:item></subject><articleId><json:string>APP24559</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO2) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO2, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO2 had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006</abstract><qualityIndicators><score>5.248</score><pdfVersion>1.3</pdfVersion><pdfPageSize>630 x 810 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>929</abstractCharCount><pdfWordCount>3340</pdfWordCount><pdfCharCount>19126</pdfCharCount><pdfPageCount>9</pdfPageCount><abstractWordCount>159</abstractWordCount></qualityIndicators><title>Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene</title><genre><json:string>article</json:string></genre><host><title>Journal of Applied Polymer 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xml:id="author-0000"><persName><forename type="first">Bin</forename><surname>Li</surname></persName><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China<address><country key="CN"></country></address></affiliation></author><author xml:id="author-0001" role="corresp"><persName><forename type="first">Guo‐Hua</forename><surname>Hu</surname></persName><email>hu@ensic.inpl‐nancy.fr</email><affiliation>Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France<address><country key="FR"></country></address></affiliation><affiliation>Institut Universitaire de France, Maison des Universités, 75005 Paris, France<address><country key="FR"></country></address></affiliation><affiliation>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France=== Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</affiliation></author><author xml:id="author-0002"><persName><forename type="first">Gui‐Ping</forename><surname>Cao</surname></persName><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China<address><country key="CN"></country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">Tao</forename><surname>Liu</surname></persName><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China<address><country key="CN"></country></address></affiliation></author><author xml:id="author-0004"><persName><forename type="first">Ling</forename><surname>Zhao</surname></persName><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China<address><country key="CN"></country></address></affiliation></author><author xml:id="author-0005" role="corresp"><persName><forename type="first">Wei‐Kang</forename><surname>Yuan</surname></persName><email>wkyuan@ecust.edu.cn</email><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China<address><country key="CN"></country></address></affiliation><affiliation>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France=== Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</affiliation></author><idno type="istex">A311318F2100CA9FE67B19771181ACA59C89D21B</idno><idno type="ark">ark:/67375/WNG-3BMPCF6P-5</idno><idno type="DOI">10.1002/app.24559</idno><idno type="unit">APP24559</idno><idno type="toTypesetVersion">file:APP.APP24559.pdf</idno></analytic><monogr><title level="j" type="main">Journal of Applied Polymer Science</title><title level="j" type="alt">JOURNAL OF APPLIED POLYMER SCIENCE</title><idno type="pISSN">0021-8995</idno><idno type="eISSN">1097-4628</idno><idno type="book-DOI">10.1002/(ISSN)1097-4628</idno><idno type="book-part-DOI">10.1002/app.v102:4</idno><idno type="product">APP</idno><imprint><biblScope unit="vol">102</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="3212">3212</biblScope><biblScope unit="page" to="3220">3220</biblScope><biblScope unit="page-count">9</biblScope><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2006-11-15"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><head>Abstract</head><p>This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO<hi rend="subscript">2</hi>) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO<hi rend="subscript">2</hi>, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO<hi rend="subscript">2</hi> had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006</p></abstract><textClass><keywords xml:lang="en"><term xml:id="kwd1">supercritical carbon dioxide</term><term xml:id="kwd2">polypropylene</term><term xml:id="kwd3">sodium benzoate</term><term xml:id="kwd4">dispersion</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/A311318F2100CA9FE67B19771181ACA59C89D21B/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Wiley Subscription Services, Inc., A Wiley Company</publisherName><publisherLoc>Hoboken</publisherLoc></publisherInfo><doi registered="yes">10.1002/(ISSN)1097-4628</doi><issn type="print">0021-8995</issn><issn type="electronic">1097-4628</issn><idGroup><id type="product" value="APP"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="JOURNAL OF APPLIED POLYMER SCIENCE">Journal of Applied Polymer Science</title><title type="short">J. 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href="file:APP.APP24559.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="12"></count><count type="tableTotal" number="3"></count><count type="referenceTotal" number="28"></count><count type="wordTotal" number="4674"></count></countGroup><titleGroup><title type="main" xml:lang="en">Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene</title><title type="short" xml:lang="en">scCO<sub>2</sub>‐Assisted Dispersion of Sodium Benzoate in PP</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Bin</givenNames><familyName>Li</familyName></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af2 #af3" corresponding="yes"><personName><givenNames>Guo‐Hua</givenNames><familyName>Hu</familyName></personName><contactDetails><email normalForm="hu@ensic.inpl-nancy.fr">hu@ensic.inpl‐nancy.fr</email></contactDetails></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Gui‐Ping</givenNames><familyName>Cao</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Tao</givenNames><familyName>Liu</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Ling</givenNames><familyName>Zhao</familyName></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>Wei‐Kang</givenNames><familyName>Yuan</familyName></personName><contactDetails><email>wkyuan@ecust.edu.cn</email></contactDetails></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="CN" type="organization"><unparsedAffiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="FR" type="organization"><unparsedAffiliation>Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France</unparsedAffiliation></affiliation><affiliation xml:id="af3" countryCode="FR" type="organization"><unparsedAffiliation>Institut Universitaire de France, Maison des Universités, 75005 Paris, France</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">supercritical carbon dioxide</keyword><keyword xml:id="kwd2">polypropylene</keyword><keyword xml:id="kwd3">sodium benzoate</keyword><keyword xml:id="kwd4">dispersion</keyword></keywordGroup><fundingInfo><fundingAgency>International cooperation project</fundingAgency><fundingNumber>2001CB711203</fundingNumber></fundingInfo><fundingInfo><fundingAgency>Shanghai Science and Technology Commission (SSTC) for Nanotechnology researches</fundingAgency><fundingNumber>0552nm039</fundingNumber></fundingInfo><fundingInfo><fundingAgency>NSFC/PetroChina joint project for multiscale methodology</fundingAgency><fundingNumber>20490200</fundingNumber></fundingInfo><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO<sub>2</sub>) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO<sub>2</sub>, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO<sub>2</sub> had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>scCO2‐Assisted Dispersion of Sodium Benzoate in PP</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Supercritical carbon dioxide‐assisted dispersion of sodium benzoate in polypropylene and crystallization behavior of the resulting polypropylene</title></titleInfo><name type="personal"><namePart type="given">Bin</namePart><namePart type="family">Li</namePart><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Guo‐Hua</namePart><namePart type="family">Hu</namePart><affiliation>Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France</affiliation><affiliation>Institut Universitaire de France, Maison des Universités, 75005 Paris, France</affiliation><affiliation>E-mail: hu@ensic.inpl‐nancy.fr</affiliation><affiliation>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France===Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Gui‐Ping</namePart><namePart type="family">Cao</namePart><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Tao</namePart><namePart type="family">Liu</namePart><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Ling</namePart><namePart type="family">Zhao</namePart><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Wei‐Kang</namePart><namePart type="family">Yuan</namePart><affiliation>UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China</affiliation><affiliation>E-mail: wkyuan@ecust.edu.cn</affiliation><affiliation>Guo‐Hua Hu, Laboratory of Chemical Engineering Sciences, CNRS‐ENSIC‐INPL, BP 20451, 54001 Nancy Cedex, France===Wei‐Kang Yuan, UNILAB Research Center of Chemical Reaction Engineering, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China===</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2006-11-15</dateIssued><dateCaptured encoding="w3cdtf">2005-07-13</dateCaptured><dateValid encoding="w3cdtf">2006-03-08</dateValid><copyrightDate encoding="w3cdtf">2006</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">12</extent><extent unit="tables">3</extent><extent unit="references">28</extent><extent unit="words">4674</extent></physicalDescription><abstract lang="en">This work aimed at studying the efficiency of the use of supercritical carbon dioxide (scCO2) as a swelling agent to disperse sodium benzoate (NaBz), a nucleating agent, in polypropylene (PP), on the one hand; and the crystallization behavior of the resulting PP, on the other hand. Under scCO2, the NaBz was uniformly dispersed in the PP at a nanometer scale. The use of ethanol or acetone as a cosolvent further increased its state of dispersion and its mass uptake in the PP. Isothermal and nonisothermal crystallization kinetics indicated that the PP with the NaBz being dispersed in it under scCO2 had a much higher crystallization rate than that of the pure PP or the PP with the NaBz being dispersed in it by a conventional melt compounding process. The size of the PP crystallites was also much smaller when the NaBz was dispersed at a nanometer scale. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 3212–3220, 2006</abstract><note type="funding">International cooperation project - No. 2001CB711203; </note><note type="funding">Shanghai Science and Technology Commission (SSTC) for Nanotechnology researches - No. 0552nm039; </note><note type="funding">NSFC/PetroChina joint project for multiscale methodology - No. 20490200; </note><subject lang="en"><genre>keywords</genre><topic>supercritical carbon dioxide</topic><topic>polypropylene</topic><topic>sodium benzoate</topic><topic>dispersion</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Applied Polymer Science</title></titleInfo><titleInfo type="abbreviated"><title>J. Appl. Polym. 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