| abstract |
According to the present invention, straight asphalt and brown asphalt are mixed in a volume ratio of 7:3 to prepare an asphalt composite; Asphalt composite 100 parts by weight isopropyl magnesium bromide 70 to 90 parts by weight, cyclopropylmethylketone 60 to 80 parts by weight, 2-cyclopropyl-2-propanol 50 to 70 parts by weight, diphenyl methanol 40 to 60 parts by weight, 5 -Butyl-5-nonanol 30-50 parts by weight, styrene-butadiene-styrene polymer 20 to 40 parts by weight, 5-nonanone 10 to 30 parts by weight, and thiophene 5 to 15 parts by weight are mixed to prepare an asphalt coating waterproofing agent There is provided a method for producing a rubberized asphalt coating film waterproofing agent having excellent crack resistance including the steps of. |