Phase separation behavior of poly(ethylene terephthalate)/(trifluoroacetic acid/dichloromethane)/water system for wet phase inversion membrane preparation
ABSTRACT Polymeric membrane fabrication by the phase inversion technique requires substantial thermodynamics knowledge of the studied system. The objective of this work is to investigate the phase separation behavior of the poly(ethylene terephthalate) (PET)/[trifluoroacetic acid + dichloromethane (...
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| Veröffentlicht in: | Journal of applied polymer science 2019-04, Vol.136 (13), p.n/a |
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| creator | Cadore, Ígor Renz Ambrosi, Alan Cardozo, Nilo Sérgio Medeiros Tessaro, Isabel Cristina |
| description | ABSTRACT
Polymeric membrane fabrication by the phase inversion technique requires substantial thermodynamics knowledge of the studied system. The objective of this work is to investigate the phase separation behavior of the poly(ethylene terephthalate) (PET)/[trifluoroacetic acid + dichloromethane (DCM)]/water system by the titulometric method, and evaluate the system characteristics aiming at membrane fabrication by phase inversion technique. The results show that the amount of nonsolvent at the cloud point decreases as the amount of DCM increases in the polymeric solution. The cloud point compositions are well‐fitted to the linearized cloud‐point curve for all studied systems, confirming that they have the required characteristics of a membrane forming system. The fabrication by wet phase inversion technique provides membranes with porous structure, thin top layer and the addition of DCM in PET casting solutions suppress the macrovoid formation. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47263. |
| doi_str_mv | 10.1002/app.47263 |
| format | Article |
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Polymeric membrane fabrication by the phase inversion technique requires substantial thermodynamics knowledge of the studied system. The objective of this work is to investigate the phase separation behavior of the poly(ethylene terephthalate) (PET)/[trifluoroacetic acid + dichloromethane (DCM)]/water system by the titulometric method, and evaluate the system characteristics aiming at membrane fabrication by phase inversion technique. The results show that the amount of nonsolvent at the cloud point decreases as the amount of DCM increases in the polymeric solution. The cloud point compositions are well‐fitted to the linearized cloud‐point curve for all studied systems, confirming that they have the required characteristics of a membrane forming system. The fabrication by wet phase inversion technique provides membranes with porous structure, thin top layer and the addition of DCM in PET casting solutions suppress the macrovoid formation. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47263.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.47263</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>cloud point curve ; Cloud point curves ; Dichloromethane ; Ethylene ; Materials science ; Phase inversion ; Phase separation ; Phase shift ; poly(ethylene terephthalate) (PET) ; Polyethylene terephthalate ; polymeric membrane ; Polymers</subject><ispartof>Journal of applied polymer science, 2019-04, Vol.136 (13), p.n/a</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><rights>2019 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3343-e0f56855966c2aa90bf0e82f1d47f768b0d0dbbca17fb601eb9d47881c16b533</citedby><cites>FETCH-LOGICAL-c3343-e0f56855966c2aa90bf0e82f1d47f768b0d0dbbca17fb601eb9d47881c16b533</cites><orcidid>0000-0002-0561-703X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.47263$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.47263$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Cadore, Ígor Renz</creatorcontrib><creatorcontrib>Ambrosi, Alan</creatorcontrib><creatorcontrib>Cardozo, Nilo Sérgio Medeiros</creatorcontrib><creatorcontrib>Tessaro, Isabel Cristina</creatorcontrib><title>Phase separation behavior of poly(ethylene terephthalate)/(trifluoroacetic acid/dichloromethane)/water system for wet phase inversion membrane preparation</title><title>Journal of applied polymer science</title><description>ABSTRACT
Polymeric membrane fabrication by the phase inversion technique requires substantial thermodynamics knowledge of the studied system. The objective of this work is to investigate the phase separation behavior of the poly(ethylene terephthalate) (PET)/[trifluoroacetic acid + dichloromethane (DCM)]/water system by the titulometric method, and evaluate the system characteristics aiming at membrane fabrication by phase inversion technique. The results show that the amount of nonsolvent at the cloud point decreases as the amount of DCM increases in the polymeric solution. The cloud point compositions are well‐fitted to the linearized cloud‐point curve for all studied systems, confirming that they have the required characteristics of a membrane forming system. The fabrication by wet phase inversion technique provides membranes with porous structure, thin top layer and the addition of DCM in PET casting solutions suppress the macrovoid formation. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47263.</description><subject>cloud point curve</subject><subject>Cloud point curves</subject><subject>Dichloromethane</subject><subject>Ethylene</subject><subject>Materials science</subject><subject>Phase inversion</subject><subject>Phase separation</subject><subject>Phase shift</subject><subject>poly(ethylene terephthalate) (PET)</subject><subject>Polyethylene terephthalate</subject><subject>polymeric membrane</subject><subject>Polymers</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEuXnwBtY4tIeQu2kcZwjqviTkOiBe2Q7a8UoiY3ttsqr8LSYFnHjtNLuNzOrQeiGkjtKSL4Uzt2tqpwVJ2hGSV1lK5bzUzRLN5rxui7P0UUIH4RQWhI2Q1-bTgTAAZzwIho7Ygmd2BnrsdXY2X6aQ-ymHkbAETy4LnaiFxEWy3n0Rvdb661QEI3CQpl22RrV9Wk3JJkYE7ZPsMdhChEGrJPvHiJ2h1Qz7sCHn9ABBukTjp3_--QKnWnRB7j-nZfo_fHhff2cvb49vazvXzNVFKsiA6JLxsuyZkzlQtREagI817RdVbpiXJKWtFIqQSstGaEg63ThnCrKZFkUl-j2aOu8_dxCiM2H3foxJTY5ZYRxWvIyUYsjpbwNwYNunDeD8FNDSfPTfJOabw7NJ3Z5ZPemh-l_sLnfbI6Kb0KJiaE</recordid><startdate>20190405</startdate><enddate>20190405</enddate><creator>Cadore, Ígor Renz</creator><creator>Ambrosi, Alan</creator><creator>Cardozo, Nilo Sérgio Medeiros</creator><creator>Tessaro, Isabel Cristina</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-0561-703X</orcidid></search><sort><creationdate>20190405</creationdate><title>Phase separation behavior of poly(ethylene terephthalate)/(trifluoroacetic acid/dichloromethane)/water system for wet phase inversion membrane preparation</title><author>Cadore, Ígor Renz ; Ambrosi, Alan ; Cardozo, Nilo Sérgio Medeiros ; Tessaro, Isabel Cristina</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3343-e0f56855966c2aa90bf0e82f1d47f768b0d0dbbca17fb601eb9d47881c16b533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>cloud point curve</topic><topic>Cloud point curves</topic><topic>Dichloromethane</topic><topic>Ethylene</topic><topic>Materials science</topic><topic>Phase inversion</topic><topic>Phase separation</topic><topic>Phase shift</topic><topic>poly(ethylene terephthalate) (PET)</topic><topic>Polyethylene terephthalate</topic><topic>polymeric membrane</topic><topic>Polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cadore, Ígor Renz</creatorcontrib><creatorcontrib>Ambrosi, Alan</creatorcontrib><creatorcontrib>Cardozo, Nilo Sérgio Medeiros</creatorcontrib><creatorcontrib>Tessaro, Isabel Cristina</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cadore, Ígor Renz</au><au>Ambrosi, Alan</au><au>Cardozo, Nilo Sérgio Medeiros</au><au>Tessaro, Isabel Cristina</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase separation behavior of poly(ethylene terephthalate)/(trifluoroacetic acid/dichloromethane)/water system for wet phase inversion membrane preparation</atitle><jtitle>Journal of applied polymer science</jtitle><date>2019-04-05</date><risdate>2019</risdate><volume>136</volume><issue>13</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
Polymeric membrane fabrication by the phase inversion technique requires substantial thermodynamics knowledge of the studied system. The objective of this work is to investigate the phase separation behavior of the poly(ethylene terephthalate) (PET)/[trifluoroacetic acid + dichloromethane (DCM)]/water system by the titulometric method, and evaluate the system characteristics aiming at membrane fabrication by phase inversion technique. The results show that the amount of nonsolvent at the cloud point decreases as the amount of DCM increases in the polymeric solution. The cloud point compositions are well‐fitted to the linearized cloud‐point curve for all studied systems, confirming that they have the required characteristics of a membrane forming system. The fabrication by wet phase inversion technique provides membranes with porous structure, thin top layer and the addition of DCM in PET casting solutions suppress the macrovoid formation. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47263.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.47263</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-0561-703X</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | cloud point curve Cloud point curves Dichloromethane Ethylene Materials science Phase inversion Phase separation Phase shift poly(ethylene terephthalate) (PET) Polyethylene terephthalate polymeric membrane Polymers |
| title | Phase separation behavior of poly(ethylene terephthalate)/(trifluoroacetic acid/dichloromethane)/water system for wet phase inversion membrane preparation |
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