| 摘要 |
<p>A bitumen emulsion of an anionic or cationic type having a breaking additive is disclosed, wherein the breaking additive has been added to the emulsion in the form of a suspension of a breaking solid in oil. The invention also relates to a breaking additive which comprises a suspension of a breaking solid in oil. The emulsion is prepared by preparing a suspension of a breaking solid in oil and then mixing the suspension with a bitumen emulsion of an anionic or cationic type. The bitumen emulsion can be used in road building, road maintenance, recycling of old asphalt pavings and construction work.</p> |
