Chemical compositions of improved model asphalt systems for molecular simulations

作者: Derek D. Li , Michael L. Greenfield

DOI: 10.1016/J.FUEL.2013.07.012

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摘要: New chemical compositions of model asphalts to represent the AAA-1, AAK-1 and AAM-1 asphalts of the Strategic Highway Research Program are proposed to enable molecular simulations that can further an understanding of asphalt physical, rheological and mechanical properties. Molecules for the three model asphalt systems were selected from compounds that had been identified in petroleum and geochemistry studies available in the literature. Choosing larger molecules than in past model asphalt systems improved …

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