Separation and composition distribution determination of triblock copolymers by thermal field-flow fractionation
Thermal field-flow fractionation (ThFFF) is used to separate a linear triblock copolymer of polystyrene, poly( tert -butyl acrylate), and poly(methyl methacrylate) by composition. Fractions were collected and subjected to off-line NMR analysis. The resultant mole fraction versus retention time plots...
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| Veröffentlicht in: | Analytical and bioanalytical chemistry 2013-11, Vol.405 (28), p.9033-9040 |
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| creator | Ponyik, Charles A. Wu, David T. Williams, S. Kim Ratanathanawongs |
| description | Thermal field-flow fractionation (ThFFF) is used to separate a linear triblock copolymer of polystyrene, poly(
tert
-butyl acrylate), and poly(methyl methacrylate) by composition. Fractions were collected and subjected to off-line NMR analysis. The resultant mole fraction versus retention time plots for each of the three polymer components confirmed the success of the separation and yielded the composition distribution of the copolymer. The composition distribution was also obtained using a second approach that involved solving a series of equations comprised of polymer thermal diffusion coefficients and quasi-elastic light scattering, differential refractometry, and UV detector responses. Both sets of data showed similar trends of composition variations in each polymer component as a function of retention time. However, discrepancies were observed in the mole fraction values. The ability to compositionally separate and to determine composition distribution of copolymers is important as demonstrated by the presence of diblock impurities in the ThFFF with off-line NMR results. |
| doi_str_mv | 10.1007/s00216-013-7282-6 |
| format | Article |
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tert
-butyl acrylate), and poly(methyl methacrylate) by composition. Fractions were collected and subjected to off-line NMR analysis. The resultant mole fraction versus retention time plots for each of the three polymer components confirmed the success of the separation and yielded the composition distribution of the copolymer. The composition distribution was also obtained using a second approach that involved solving a series of equations comprised of polymer thermal diffusion coefficients and quasi-elastic light scattering, differential refractometry, and UV detector responses. Both sets of data showed similar trends of composition variations in each polymer component as a function of retention time. However, discrepancies were observed in the mole fraction values. The ability to compositionally separate and to determine composition distribution of copolymers is important as demonstrated by the presence of diblock impurities in the ThFFF with off-line NMR results.</description><identifier>ISSN: 1618-2642</identifier><identifier>EISSN: 1618-2650</identifier><identifier>DOI: 10.1007/s00216-013-7282-6</identifier><identifier>PMID: 23975085</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Analytical Chemistry ; Biochemistry ; Block copolymers ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Chromatography ; Copolymers ; Differential equations ; Diffusion coefficient ; Distillation, Fractional ; Food Science ; Fractionation ; Heat resistance ; Laboratory Medicine ; Light scattering ; Mathematical analysis ; Medical equipment ; Moles ; Monitoring/Environmental Analysis ; Nuclear magnetic resonance ; Polymers ; Refractometry ; Research Paper ; Retention ; Retention time ; Separation ; Separation and Characterization of Natural and Synthetic Macromolecules ; Solvents</subject><ispartof>Analytical and bioanalytical chemistry, 2013-11, Vol.405 (28), p.9033-9040</ispartof><rights>Springer-Verlag Berlin Heidelberg 2013</rights><rights>COPYRIGHT 2013 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c514t-6b32f11baededfdb456db7283e17ed99f5c5d5287059a62c387d3a9f7ec5275a3</citedby><cites>FETCH-LOGICAL-c514t-6b32f11baededfdb456db7283e17ed99f5c5d5287059a62c387d3a9f7ec5275a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00216-013-7282-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00216-013-7282-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23975085$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ponyik, Charles A.</creatorcontrib><creatorcontrib>Wu, David T.</creatorcontrib><creatorcontrib>Williams, S. Kim Ratanathanawongs</creatorcontrib><title>Separation and composition distribution determination of triblock copolymers by thermal field-flow fractionation</title><title>Analytical and bioanalytical chemistry</title><addtitle>Anal Bioanal Chem</addtitle><addtitle>Anal Bioanal Chem</addtitle><description>Thermal field-flow fractionation (ThFFF) is used to separate a linear triblock copolymer of polystyrene, poly(
tert
-butyl acrylate), and poly(methyl methacrylate) by composition. Fractions were collected and subjected to off-line NMR analysis. The resultant mole fraction versus retention time plots for each of the three polymer components confirmed the success of the separation and yielded the composition distribution of the copolymer. The composition distribution was also obtained using a second approach that involved solving a series of equations comprised of polymer thermal diffusion coefficients and quasi-elastic light scattering, differential refractometry, and UV detector responses. Both sets of data showed similar trends of composition variations in each polymer component as a function of retention time. However, discrepancies were observed in the mole fraction values. The ability to compositionally separate and to determine composition distribution of copolymers is important as demonstrated by the presence of diblock impurities in the ThFFF with off-line NMR results.</description><subject>Analytical Chemistry</subject><subject>Biochemistry</subject><subject>Block copolymers</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chromatography</subject><subject>Copolymers</subject><subject>Differential equations</subject><subject>Diffusion coefficient</subject><subject>Distillation, Fractional</subject><subject>Food Science</subject><subject>Fractionation</subject><subject>Heat resistance</subject><subject>Laboratory Medicine</subject><subject>Light scattering</subject><subject>Mathematical analysis</subject><subject>Medical equipment</subject><subject>Moles</subject><subject>Monitoring/Environmental Analysis</subject><subject>Nuclear magnetic resonance</subject><subject>Polymers</subject><subject>Refractometry</subject><subject>Research Paper</subject><subject>Retention</subject><subject>Retention time</subject><subject>Separation</subject><subject>Separation and Characterization of Natural and Synthetic Macromolecules</subject><subject>Solvents</subject><issn>1618-2642</issn><issn>1618-2650</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqFkktrFzEUxYMotrZ-ADcy4MbN1Dwmj1mWYlUouNCuQya5qamZyZjMIP9v30ynFhGkZJHX75zcGw5Cbwg-IxjLDwVjSkSLCWslVbQVz9AxEUS1VHD8_HHd0SP0qpRbjAlXRLxER5T1kmPFj9H8DWaTzRLS1JjJNTaNcyrhfu9CWXIY1n0DC-QxTDuafLNdxWR_Vsmc4mGEXJrh0Cw_KmZi4wNE1_qYfjc-G7up7qWn6IU3scDrh_kEXV9-_H7xub36-unLxflVaznpllYMjHpCBgMOnHdDx4UbapMMiATX955b7jhVEvPeCGqZko6Z3kuwnEpu2Al6v_vOOf1aoSx6DMVCjGaCtBZNhMBYCNWrp1GORfVntHsa7TpFiarOFX33D3qb1jzVnuvbElO-VVCps526MRF0mHxa6m_V4WAMNk3gQz0_Z1tTtKObLdkFNqdSMng95zCafNAE6y0Vek-FrqnQWyr0pnn7UMo6jOAeFX9iUAG6A6VeTTeQ_6r1v653x2_DGw</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Ponyik, Charles A.</creator><creator>Wu, David T.</creator><creator>Williams, S. 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Kim Ratanathanawongs</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c514t-6b32f11baededfdb456db7283e17ed99f5c5d5287059a62c387d3a9f7ec5275a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Analytical Chemistry</topic><topic>Biochemistry</topic><topic>Block copolymers</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Chromatography</topic><topic>Copolymers</topic><topic>Differential equations</topic><topic>Diffusion coefficient</topic><topic>Distillation, Fractional</topic><topic>Food Science</topic><topic>Fractionation</topic><topic>Heat resistance</topic><topic>Laboratory Medicine</topic><topic>Light scattering</topic><topic>Mathematical analysis</topic><topic>Medical equipment</topic><topic>Moles</topic><topic>Monitoring/Environmental Analysis</topic><topic>Nuclear magnetic resonance</topic><topic>Polymers</topic><topic>Refractometry</topic><topic>Research Paper</topic><topic>Retention</topic><topic>Retention time</topic><topic>Separation</topic><topic>Separation and Characterization of Natural and Synthetic Macromolecules</topic><topic>Solvents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ponyik, Charles A.</creatorcontrib><creatorcontrib>Wu, David T.</creatorcontrib><creatorcontrib>Williams, S. 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Kim Ratanathanawongs</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Separation and composition distribution determination of triblock copolymers by thermal field-flow fractionation</atitle><jtitle>Analytical and bioanalytical chemistry</jtitle><stitle>Anal Bioanal Chem</stitle><addtitle>Anal Bioanal Chem</addtitle><date>2013-11-01</date><risdate>2013</risdate><volume>405</volume><issue>28</issue><spage>9033</spage><epage>9040</epage><pages>9033-9040</pages><issn>1618-2642</issn><eissn>1618-2650</eissn><abstract>Thermal field-flow fractionation (ThFFF) is used to separate a linear triblock copolymer of polystyrene, poly(
tert
-butyl acrylate), and poly(methyl methacrylate) by composition. Fractions were collected and subjected to off-line NMR analysis. The resultant mole fraction versus retention time plots for each of the three polymer components confirmed the success of the separation and yielded the composition distribution of the copolymer. The composition distribution was also obtained using a second approach that involved solving a series of equations comprised of polymer thermal diffusion coefficients and quasi-elastic light scattering, differential refractometry, and UV detector responses. Both sets of data showed similar trends of composition variations in each polymer component as a function of retention time. However, discrepancies were observed in the mole fraction values. The ability to compositionally separate and to determine composition distribution of copolymers is important as demonstrated by the presence of diblock impurities in the ThFFF with off-line NMR results.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>23975085</pmid><doi>10.1007/s00216-013-7282-6</doi><tpages>8</tpages></addata></record> |
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| subjects | Analytical Chemistry Biochemistry Block copolymers Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Chromatography Copolymers Differential equations Diffusion coefficient Distillation, Fractional Food Science Fractionation Heat resistance Laboratory Medicine Light scattering Mathematical analysis Medical equipment Moles Monitoring/Environmental Analysis Nuclear magnetic resonance Polymers Refractometry Research Paper Retention Retention time Separation Separation and Characterization of Natural and Synthetic Macromolecules Solvents |
| title | Separation and composition distribution determination of triblock copolymers by thermal field-flow fractionation |
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