Thermorheological complexity of poly(methyl methacrylate)/poly(vinylidene fluoride) miscible polymer blend: Terminal and segmental levels
Oscillatory shear rheometry data for a miscible blend of 20 wt % poly(vinylidene fluoride) (PVDF) in poly(methyl methacrylate) (PMMA) shows breakdown of time-temperature superposition for this blend. A comparison between glass transition temperature which PMMA chains sense in the blend and effective...
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| Veröffentlicht in: | Journal of polymer science. Part B, Polymer physics Polymer physics, 2007-10, Vol.45 (20), p.2860-2870 |
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| container_title | Journal of polymer science. Part B, Polymer physics |
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| creator | Es-Haghi, S. Shams Yousefi, A.A Oromiehie, A |
| description | Oscillatory shear rheometry data for a miscible blend of 20 wt % poly(vinylidene fluoride) (PVDF) in poly(methyl methacrylate) (PMMA) shows breakdown of time-temperature superposition for this blend. A comparison between glass transition temperature which PMMA chains sense in the blend and effective glass transition temperature of this component indicates that, the Lodge-McLeish model can describe terminal dynamics of PMMA. In addition, terminal dynamics of PVDF chains in the blend is similar to that of its pure state in agreement with the mentioned model. At segmental level, dynamic mechanical thermal analysis of four wholly amorphous blends suggests that cooperativity of molecular motions decreases upon addition of 30 and 40 wt % PVDF to PMMA. This behavior has been confirmed via calculation of degree of fragility which presumably is attributed to strong tendency of PVDF chains to self-association rather than inter-association with PMMA chains according to the FTIR results. © 2007 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 2860-2870, 2007 |
| doi_str_mv | 10.1002/polb.21286 |
| format | Article |
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This behavior has been confirmed via calculation of degree of fragility which presumably is attributed to strong tendency of PVDF chains to self-association rather than inter-association with PMMA chains according to the FTIR results. © 2007 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 2860-2870, 2007</description><identifier>ISSN: 0887-6266</identifier><identifier>EISSN: 1099-0488</identifier><identifier>DOI: 10.1002/polb.21286</identifier><identifier>CODEN: JPLPAY</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Applied sciences ; blends ; Exact sciences and technology ; fluoropolymers ; Organic polymers ; Physicochemistry of polymers ; Properties and characterization ; rheology ; Rheology and viscoelasticity ; thermodynamics ; thermoplastics ; viscoelastic properties</subject><ispartof>Journal of polymer science. 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Shams</creatorcontrib><creatorcontrib>Yousefi, A.A</creatorcontrib><creatorcontrib>Oromiehie, A</creatorcontrib><title>Thermorheological complexity of poly(methyl methacrylate)/poly(vinylidene fluoride) miscible polymer blend: Terminal and segmental levels</title><title>Journal of polymer science. Part B, Polymer physics</title><addtitle>J. Polym. Sci. B Polym. Phys</addtitle><description>Oscillatory shear rheometry data for a miscible blend of 20 wt % poly(vinylidene fluoride) (PVDF) in poly(methyl methacrylate) (PMMA) shows breakdown of time-temperature superposition for this blend. A comparison between glass transition temperature which PMMA chains sense in the blend and effective glass transition temperature of this component indicates that, the Lodge-McLeish model can describe terminal dynamics of PMMA. In addition, terminal dynamics of PVDF chains in the blend is similar to that of its pure state in agreement with the mentioned model. At segmental level, dynamic mechanical thermal analysis of four wholly amorphous blends suggests that cooperativity of molecular motions decreases upon addition of 30 and 40 wt % PVDF to PMMA. This behavior has been confirmed via calculation of degree of fragility which presumably is attributed to strong tendency of PVDF chains to self-association rather than inter-association with PMMA chains according to the FTIR results. © 2007 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 2860-2870, 2007</description><subject>Applied sciences</subject><subject>blends</subject><subject>Exact sciences and technology</subject><subject>fluoropolymers</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><subject>rheology</subject><subject>Rheology and viscoelasticity</subject><subject>thermodynamics</subject><subject>thermoplastics</subject><subject>viscoelastic properties</subject><issn>0887-6266</issn><issn>1099-0488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kMFuEzEQhlcIJELhwguwFxBF2nZsJ47NDQqkSFGLIFW5WbYzmxi862BvSvcReGu82QI3TjOj-f9vRn9RPCVwQgDo6S54c0IJFfxeMSEgZQVTIe4XExBiXnHK-cPiUUrfAPJuJifFr9UWYxPiFoMPG2e1L21odh5vXdeXoS4zsX_ZYLftfTkUbWPvdYfHp4fNjWt779bYYln7fYi5PS4bl6wzHg_mBmOZ-3b9ulzlU67NJ3S7LhNuGmy7PHm8QZ8eFw9q7RM-uatHxdWH96uz82p5ufh49mZZWSY5r9DWwtiZZgBWIGEWQGsjQTBq0PA1AtGGM2OEoIIYtFNhalsDMil4drCj4sXI3cXwY4-pU8O76L1uMeyTYkDolNNpFr4ahTaGlCLWahddo2OvCKghbTWkrQ5pZ_HzO6pOOcQ66ta69M8hCQgJA5SMup_OY_8fovp0uXz7h12NHpc6vP3r0fG74nM2n6nri4W6luefF---ztRF1j8b9bUOSm9i_uPqCwWSIxMgODD2G1uurG8</recordid><startdate>20071015</startdate><enddate>20071015</enddate><creator>Es-Haghi, S. 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Shams ; Yousefi, A.A ; Oromiehie, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3966-ecf8bc5a300c8e13c00aab90832beb6de01ab63bb88281bec48bfcf0e3986c8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>blends</topic><topic>Exact sciences and technology</topic><topic>fluoropolymers</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Properties and characterization</topic><topic>rheology</topic><topic>Rheology and viscoelasticity</topic><topic>thermodynamics</topic><topic>thermoplastics</topic><topic>viscoelastic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Es-Haghi, S. Shams</creatorcontrib><creatorcontrib>Yousefi, A.A</creatorcontrib><creatorcontrib>Oromiehie, A</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of polymer science. Part B, Polymer physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Es-Haghi, S. Shams</au><au>Yousefi, A.A</au><au>Oromiehie, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermorheological complexity of poly(methyl methacrylate)/poly(vinylidene fluoride) miscible polymer blend: Terminal and segmental levels</atitle><jtitle>Journal of polymer science. Part B, Polymer physics</jtitle><addtitle>J. Polym. Sci. B Polym. Phys</addtitle><date>2007-10-15</date><risdate>2007</risdate><volume>45</volume><issue>20</issue><spage>2860</spage><epage>2870</epage><pages>2860-2870</pages><issn>0887-6266</issn><eissn>1099-0488</eissn><coden>JPLPAY</coden><abstract>Oscillatory shear rheometry data for a miscible blend of 20 wt % poly(vinylidene fluoride) (PVDF) in poly(methyl methacrylate) (PMMA) shows breakdown of time-temperature superposition for this blend. A comparison between glass transition temperature which PMMA chains sense in the blend and effective glass transition temperature of this component indicates that, the Lodge-McLeish model can describe terminal dynamics of PMMA. In addition, terminal dynamics of PVDF chains in the blend is similar to that of its pure state in agreement with the mentioned model. At segmental level, dynamic mechanical thermal analysis of four wholly amorphous blends suggests that cooperativity of molecular motions decreases upon addition of 30 and 40 wt % PVDF to PMMA. This behavior has been confirmed via calculation of degree of fragility which presumably is attributed to strong tendency of PVDF chains to self-association rather than inter-association with PMMA chains according to the FTIR results. © 2007 Wiley Periodicals, Inc. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences blends Exact sciences and technology fluoropolymers Organic polymers Physicochemistry of polymers Properties and characterization rheology Rheology and viscoelasticity thermodynamics thermoplastics viscoelastic properties |
| title | Thermorheological complexity of poly(methyl methacrylate)/poly(vinylidene fluoride) miscible polymer blend: Terminal and segmental levels |
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