Title: Storage stable modified asphalt and its preparing mehtod
Application Number: 00123512 Application Date: 2000.08.18
Publication Number: 1339556 Publication Date: 2002.03.13
Approval Pub. Date: Granted Pub. Date: 2003.04.30
International Classifi-cation: C08L95/00,C10C3/02
Applicant(s) Name: China Petrochemical Corp. Address: 100029
Inventor(s) Name: Guo Shuhua, Huang Weiqi
Attorney & 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.
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