Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Surface Structuring of Wax in Complex Media
AbstractInvestigators over the past 16 years have considered the nature of surface structuring, referred to as bee structures, in bituminous asphalt, commonly identified by atomic force microscopy. Recently it has been suggested that the interaction between nonpolar molecules present in asphalt, including n-paraffin waxes, are responsible for these surface microstructures. Several research groups now tend to agree that the interactions between crystallizing n-paraffin waxes and the remaining nonwax asphalt molecules are responsible for much of the structuring, including bee-structures. To date, a plausible mechanism to explain the physicochemical manifestation of this type of surface structuring in asphalts has yet to be offered. In this paper a theory is presented that explains the physicochemical nature of surface structuring in asphalts and asphalt fractions based on investigations of simpler material systems reported in the literature pertaining to paraffin and polymer crystallization. Experimental results obtained over the past several years by the writers are presented in support of the theory presented.
Surface Structuring of Wax in Complex Media
AbstractInvestigators over the past 16 years have considered the nature of surface structuring, referred to as bee structures, in bituminous asphalt, commonly identified by atomic force microscopy. Recently it has been suggested that the interaction between nonpolar molecules present in asphalt, including n-paraffin waxes, are responsible for these surface microstructures. Several research groups now tend to agree that the interactions between crystallizing n-paraffin waxes and the remaining nonwax asphalt molecules are responsible for much of the structuring, including bee-structures. To date, a plausible mechanism to explain the physicochemical manifestation of this type of surface structuring in asphalts has yet to be offered. In this paper a theory is presented that explains the physicochemical nature of surface structuring in asphalts and asphalt fractions based on investigations of simpler material systems reported in the literature pertaining to paraffin and polymer crystallization. Experimental results obtained over the past several years by the writers are presented in support of the theory presented.
Surface Structuring of Wax in Complex Media
Beiswenger, James (Autor:in) / Grimes, Will / Pauli, Troy / Schmets, Alexander J. M
2015
Aufsatz (Zeitschrift)
Englisch
BKL:
56.45
Baustoffkunde
Lokalklassifikation TIB:
535/6520/6525/xxxx
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