abstract |
A bitumen emulsion comprising (a) bitumen, (b) water, (c) optionally at least one emulsifier, and (d) a conjugated diene block copolymer containing functional groups which have a strong affinity for water. A bituminous composition comprising (a) bitumen, and (b) a polymer emulsion comprising (i) water, (ii) optionally at least one emulsifier, and (iii) a conjugated diene block copolymer containing functional groups which have a strong affinity for water. |