Modulated Differential Scanning Calorimetry Analysis of Interphases in Multi-Component Polymer Materials |
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Authors: | Song M Hourston D J Reading M Pollock H M Hammiche A |
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Institution: | (1) IPTME, Loughborough University, Loughborough, LE11 3TU;(2) School of Physics and Chemistry, Lancaster University, UK |
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Abstract: | A modulated-temperature differential scanning calorimetry (M-TDSC) method for the analysis of interphases in multi-component
polymer materials has been developed further. As examples, interphases in a polybutadiene-natural rubber (50:50 by mass) blend,
a poly(methyl methacrylate)-poly(vinyl acetate) (50:50 by mass) structured latex film, a polyepichlorohydrinpoly(vinyl acetate)
bilayer film, and polystyrene-polyurethane (40:60 by mass) and poly(ethyl methacrylate)-polyurethane (60:40 by mass) interpenetrating
polymer networks were investigated. The mass fraction of interphase and its composition can be calculated quantitatively.
These interphases do not exhibit clear separate glass transition temperatures, but occur continually between the glass transition
temperatures of the constituent polymers.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | interfaces interpenetrating polymer networks latex M-TDSC polymer blends |
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