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The comprehensive utilization of C5 cutfraction and its derivatives is becoming ahighlight in the petrochemical industryworldwide. Among them,C5 petroleumresins have already become a product serieswith the highest output,the greatestvariety and the fastest development in thecomprehensive utilization of cracked C5cut fraction in the world,with the reportedaverage annual growth of around 5% in recentyears. The global total capacity ofpetroleum resins was around 570 000 t/ain 2008 and the output was 500 000 tonswith hydrogenated petroleum resins accountingfor 5%.China started the development,research
The comprehensive utilization of C5 cutfraction and its derivatives is becoming ahighlight in the petrochemical industryworldwide. Among them, C5 petroleumresins have already become a product series with the highest output, the greatestvariety and the fastest development in the comprehensive utilization of cracked C5cut fraction in the world, with the reportedaverage annual growth of around 5% in recentyears. The global total capacity ofpetroleum resins was around 570 000 t / ain 2008 and the output was 500 000 tonswith hydrogenated petroleum resins accountingfor 5% .China started the development, research