Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The Morphology of Bitumen-SBS Blends by UV Microscopy
The morphology of bitumen-SBS blends is studied using Epi-Fluorescence microscopy. Morphology is defined as the partition of polymer-rich and bitumen-rich phases. Existing sample preparation methods for microscopy on bitumen are compared and the obtained morphologies are shown. In a second part, differences in morphology are related to differences in rheological behavior. The morphological properties strongly depend on the temperature, where a sample is taken, upon the cooling rate and upon isothermal annealing periods. During isothermal storage the morphology can undergo major changes. The so-called bulk morphology, which is obtained from a freeze-fractured surface, is different from the morphology seen on the surface which has been in contact with air or with silicon.
The Morphology of Bitumen-SBS Blends by UV Microscopy
The morphology of bitumen-SBS blends is studied using Epi-Fluorescence microscopy. Morphology is defined as the partition of polymer-rich and bitumen-rich phases. Existing sample preparation methods for microscopy on bitumen are compared and the obtained morphologies are shown. In a second part, differences in morphology are related to differences in rheological behavior. The morphological properties strongly depend on the temperature, where a sample is taken, upon the cooling rate and upon isothermal annealing periods. During isothermal storage the morphology can undergo major changes. The so-called bulk morphology, which is obtained from a freeze-fractured surface, is different from the morphology seen on the surface which has been in contact with air or with silicon.
The Morphology of Bitumen-SBS Blends by UV Microscopy
Soenen, Hilde (Autor:in) / Lu, Xiaohu (Autor:in) / Redelius, Per (Autor:in)
Road Materials and Pavement Design ; 9 ; 97-110
01.01.2008
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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