Composition of Asphalt Containing Tapered Block Copolymer
申请人:KIM Sam Min
公开号:US20090182075A1
公开(公告)日:2009-07-16
Disclosed is a modified asphalt composition comprising asphalt and a tapered block copolymer, which contains short butadiene monomer blocks at both ends of aromatic vinyl monomer blocks, that provides comparable or better softening point when compared to conventional compositions, and exhibits superior ductility at low temperature, thereby being applicable to road paving, waterproof sheets and sealants.