Stühn, B. (1992)
The relation between the microphase separation transition and the glass transition in diblock copolymers.
In: Journal of Polymer Science Part B: Polymer Physics, 30 (9)
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
The microphase separation transition (MST) has been studied for short chain diblock copolymers poly(styrene-b-isoprene) and poly(styrene-b-mma). A detailed analysis of small-angle x-ray scattering (SAXS) profiles in the homogeneous phase allows determination of the interaction parameter and the spinodal temperature T(S) of the MST. T(S) for the PS/PI diblocks is found to be lower than the glass transition temperature of their hard blocks. This results in a coupling of the MST and the glass transition. Using both structural (SAXS) and thermal differential scanning calorimetry (DSC) methods it is shown that an endothermal peak found in the DSC diagrams is related to the combined effect of the MST and the glass transition.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 1992 |
| Autor(en): | Stühn, B. |
| Art des Eintrags: | Bibliographie |
| Titel: | The relation between the microphase separation transition and the glass transition in diblock copolymers |
| Sprache: | Englisch |
| Publikationsjahr: | August 1992 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Journal of Polymer Science Part B: Polymer Physics |
| Jahrgang/Volume einer Zeitschrift: | 30 |
| (Heft-)Nummer: | 9 |
| Kurzbeschreibung (Abstract): | The microphase separation transition (MST) has been studied for short chain diblock copolymers poly(styrene-b-isoprene) and poly(styrene-b-mma). A detailed analysis of small-angle x-ray scattering (SAXS) profiles in the homogeneous phase allows determination of the interaction parameter and the spinodal temperature T(S) of the MST. T(S) for the PS/PI diblocks is found to be lower than the glass transition temperature of their hard blocks. This results in a coupling of the MST and the glass transition. Using both structural (SAXS) and thermal differential scanning calorimetry (DSC) methods it is shown that an endothermal peak found in the DSC diagrams is related to the combined effect of the MST and the glass transition. |
| Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik 05 Fachbereich Physik > Institut für Festkörperphysik (2021 umbenannt in Institut für Physik Kondensierter Materie (IPKM)) |
| Hinterlegungsdatum: | 26 Feb 2010 13:37 |
| Letzte Änderung: | 05 Mär 2013 09:32 |
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