Storage stable modified asphalt and its preparing mehtod

Application Number: 00123512
Application Date: 2000.08.18
Publication Number: 1339556
Publication Date: 2002.03.13
Priority Information:
International: C08L95/00;C10C3/02
Applicant(s) Name: China Petrochemical Corp.
Inventor(s) Name: Guo Shuhua;Huang Weiqi;Wang Zijun
Patent Agency Code: 72001
Patent Agent: xu shu
Abstract The storage stable modified asphalt is prepared with the material including asphalt 50-97.7 wt%, polymer 2.0-20.0 wt%, compatilizer 0.1-20.0 wt%, coupling agent 0.1-10.0 wt% and polar compound 0.1-10.0 wt%l, and through mixing and reaction at 100-250 deg.c for 5-300 min. It has excellent storage stability and softening point difference of isolation test lower than 2.5 deg.c. The preparation process of the present invention is simple and needs no special equipment.