Process for preparing a cold-spreadable bitumen aggregate

摘要

The invention describes a technique for obtaining a bituminous coating for road surfacing which can be cold spread. The process avoids the use of bitumen emulsions. A new preparation of a bituminous coating, in which granules are coated with a mixture of a hard bitumen in a fatty acid monoester as solvent,The ester is chemically transformed on contact with air and increases in viscosity. An Independent claim is also included for the bituminous coating obtained.