| 摘要 |
A liquid modifier for topical application to in-situ aged asphalt pavement, said modifier being an emulsion and consisting essentially of the following components: a. a predominantly asphaltene asphalt; b. a predominantly maltene recycling agent; c. a rubbery polymer or latex selected from the group consisting of styrene-butadiene-styrene, styrene butadiene rubber, neoprene latex, and natural rubber, and combinations of one or more of them; d. an emulsifier e. water said emulsion being a flowable liquid so as readily to be poured onto a surface and brushed or wiped onto and into it, and readily to flow into and penetrate small cracks in the pavement, and when the water has evaporated, to form a structural bridge and bond between opposed faces of the cracks, and also to pentrate into the original asphalt pavement through said faces to improve its properties.
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