Interaction of cylindrical polymer brushes in dilute and semi-dilute solution
We present a systematic study of flexible cylindrical brush-shaped macromolecules in a good solvent by small-angle neutron scattering (SANS), static light scattering (SLS), and by dynamic light scattering (DLS) in dilute and semi-dilute solution. The SLS and SANS data extrapolated to infinite diluti...
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| Veröffentlicht in: | Colloid and polymer science 2009-02, Vol.287 (2), p.129-138 |
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| container_title | Colloid and polymer science |
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| creator | Bolisetty, Sreenath Rosenfeldt, Sabine Rochette, Christophe N Harnau, Ludger Lindner, Peter Xu, Youyong Müller, Axel H. E Ballauff, Matthias |
| description | We present a systematic study of flexible cylindrical brush-shaped macromolecules in a good solvent by small-angle neutron scattering (SANS), static light scattering (SLS), and by dynamic light scattering (DLS) in dilute and semi-dilute solution. The SLS and SANS data extrapolated to infinite dilution lead to the shape of the polymer that can be modeled in terms of a worm-like chain with a contour length of 380 nm and a persistence length of 17.5 nm. SANS data taken at higher polymer concentration were evaluated by using the polymer reference interaction site model (PRISM). We find that the persistence length reduce from 17.5 nm at infinite dilution to 5.3 nm at the highest concentration (volume fraction 0.038). This is comparable with the decrease of the persistence length in semi-dilute concentration predicted theoretically for polyelectrolytes. This finding reveals a softening of stiffness of the polymer brushes caused by their mutual interaction. |
| doi_str_mv | 10.1007/s00396-008-1962-3 |
| format | Article |
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E ; Ballauff, Matthias</creator><creatorcontrib>Bolisetty, Sreenath ; Rosenfeldt, Sabine ; Rochette, Christophe N ; Harnau, Ludger ; Lindner, Peter ; Xu, Youyong ; Müller, Axel H. E ; Ballauff, Matthias</creatorcontrib><description>We present a systematic study of flexible cylindrical brush-shaped macromolecules in a good solvent by small-angle neutron scattering (SANS), static light scattering (SLS), and by dynamic light scattering (DLS) in dilute and semi-dilute solution. The SLS and SANS data extrapolated to infinite dilution lead to the shape of the polymer that can be modeled in terms of a worm-like chain with a contour length of 380 nm and a persistence length of 17.5 nm. SANS data taken at higher polymer concentration were evaluated by using the polymer reference interaction site model (PRISM). We find that the persistence length reduce from 17.5 nm at infinite dilution to 5.3 nm at the highest concentration (volume fraction 0.038). This is comparable with the decrease of the persistence length in semi-dilute concentration predicted theoretically for polyelectrolytes. This finding reveals a softening of stiffness of the polymer brushes caused by their mutual interaction.</description><identifier>ISSN: 0303-402X</identifier><identifier>EISSN: 1435-1536</identifier><identifier>DOI: 10.1007/s00396-008-1962-3</identifier><identifier>PMID: 19816531</identifier><identifier>CODEN: CPMSB6</identifier><language>eng</language><publisher>Berlin/Heidelberg: Berlin/Heidelberg : Springer-Verlag</publisher><subject>Applied sciences ; Brushes ; Characterization and Evaluation of Materials ; Chemistry ; Chemistry and Materials Science ; Complex Fluids and Microfluidics ; Cylindrical polymer brushes ; Dilution ; DLS ; Dynamical systems ; Exact sciences and technology ; Food Science ; Light scattering ; Macromolecules ; Mathematical models ; Nanotechnology and Microengineering ; Organic polymers ; Original Contribution ; Physical Chemistry ; Physicochemistry of polymers ; Polymer Sciences ; PRISM ; Properties and characterization ; SANS ; Soft and Granular Matter ; Softening ; Softening of polymers ; Solution and gel properties ; Styrene acrylonitrile resins</subject><ispartof>Colloid and polymer science, 2009-02, Vol.287 (2), p.129-138</ispartof><rights>Springer-Verlag 2008</rights><rights>2009 INIST-CNRS</rights><rights>Colloid and Polymer Science is a copyright of Springer, 2009.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c556t-1eb81137c9099fb5c71e356f3b77716c34d33416c29e23956f06bd8123bf383c3</citedby><cites>FETCH-LOGICAL-c556t-1eb81137c9099fb5c71e356f3b77716c34d33416c29e23956f06bd8123bf383c3</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/s00396-008-1962-3$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00396-008-1962-3$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21046596$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19816531$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bolisetty, Sreenath</creatorcontrib><creatorcontrib>Rosenfeldt, Sabine</creatorcontrib><creatorcontrib>Rochette, Christophe N</creatorcontrib><creatorcontrib>Harnau, Ludger</creatorcontrib><creatorcontrib>Lindner, Peter</creatorcontrib><creatorcontrib>Xu, Youyong</creatorcontrib><creatorcontrib>Müller, Axel H. E</creatorcontrib><creatorcontrib>Ballauff, Matthias</creatorcontrib><title>Interaction of cylindrical polymer brushes in dilute and semi-dilute solution</title><title>Colloid and polymer science</title><addtitle>Colloid Polym Sci</addtitle><addtitle>Colloid Polym Sci</addtitle><description>We present a systematic study of flexible cylindrical brush-shaped macromolecules in a good solvent by small-angle neutron scattering (SANS), static light scattering (SLS), and by dynamic light scattering (DLS) in dilute and semi-dilute solution. The SLS and SANS data extrapolated to infinite dilution lead to the shape of the polymer that can be modeled in terms of a worm-like chain with a contour length of 380 nm and a persistence length of 17.5 nm. SANS data taken at higher polymer concentration were evaluated by using the polymer reference interaction site model (PRISM). We find that the persistence length reduce from 17.5 nm at infinite dilution to 5.3 nm at the highest concentration (volume fraction 0.038). This is comparable with the decrease of the persistence length in semi-dilute concentration predicted theoretically for polyelectrolytes. This finding reveals a softening of stiffness of the polymer brushes caused by their mutual interaction.</description><subject>Applied sciences</subject><subject>Brushes</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Complex Fluids and Microfluidics</subject><subject>Cylindrical polymer brushes</subject><subject>Dilution</subject><subject>DLS</subject><subject>Dynamical systems</subject><subject>Exact sciences and technology</subject><subject>Food Science</subject><subject>Light scattering</subject><subject>Macromolecules</subject><subject>Mathematical models</subject><subject>Nanotechnology and Microengineering</subject><subject>Organic polymers</subject><subject>Original Contribution</subject><subject>Physical Chemistry</subject><subject>Physicochemistry of polymers</subject><subject>Polymer Sciences</subject><subject>PRISM</subject><subject>Properties and characterization</subject><subject>SANS</subject><subject>Soft and Granular Matter</subject><subject>Softening</subject><subject>Softening of polymers</subject><subject>Solution and gel properties</subject><subject>Styrene acrylonitrile resins</subject><issn>0303-402X</issn><issn>1435-1536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNp9kU9v1DAQxS0EokvhA3CBSAjBJeDxxHZ8QUIVfyoVcYBK3CzHcbausvbWTpD22-NVolI49DS23m-eZ_wIeQ70HVAq32dKUYma0rYGJViND8gGGuQ1cBQPyYYixbqh7NcJeZLzNaW0UUI8JiegWhAcYUO-nYfJJWMnH0MVh8oeRh_65K0Zq30cDzuXqi7N-crlyoeq9-M8ucqEvspu5-v1nmMpxeEpeTSYMbtnaz0ll58__Tz7Wl98_3J-9vGitpyLqQbXtQAoraJKDR23EhxyMWAnpQRhsekRm3JgyjFURaGi61tg2A3YosVT8mHx3c_dzvXWhSmZUe-T35l00NF4_a8S_JXext-aSc5l2xSDN6tBijezy5Pe-WzdOJrg4py1AqU4SBSFfHsvCS1XvKWiUQV99R96HecUykcUSjKuEBkWChbKpphzcsPt2ED1MVa9xKpLrPoYqz72vLi779-ONccCvF4Bk0t0QzLB-nzLMaCN4Oq4DVu4XKSwdenOiPe8_nJpGkzUZpuK8eUPRgEp8JY1QuEfTMrDCg</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Bolisetty, Sreenath</creator><creator>Rosenfeldt, Sabine</creator><creator>Rochette, Christophe N</creator><creator>Harnau, Ludger</creator><creator>Lindner, Peter</creator><creator>Xu, Youyong</creator><creator>Müller, Axel H. 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SANS data taken at higher polymer concentration were evaluated by using the polymer reference interaction site model (PRISM). We find that the persistence length reduce from 17.5 nm at infinite dilution to 5.3 nm at the highest concentration (volume fraction 0.038). This is comparable with the decrease of the persistence length in semi-dilute concentration predicted theoretically for polyelectrolytes. This finding reveals a softening of stiffness of the polymer brushes caused by their mutual interaction.</abstract><cop>Berlin/Heidelberg</cop><pub>Berlin/Heidelberg : Springer-Verlag</pub><pmid>19816531</pmid><doi>10.1007/s00396-008-1962-3</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Applied sciences Brushes Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Complex Fluids and Microfluidics Cylindrical polymer brushes Dilution DLS Dynamical systems Exact sciences and technology Food Science Light scattering Macromolecules Mathematical models Nanotechnology and Microengineering Organic polymers Original Contribution Physical Chemistry Physicochemistry of polymers Polymer Sciences PRISM Properties and characterization SANS Soft and Granular Matter Softening Softening of polymers Solution and gel properties Styrene acrylonitrile resins |
| title | Interaction of cylindrical polymer brushes in dilute and semi-dilute solution |
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