Reactive type modified asphalt and production method therefor
A modified asphalt, reactive technology, used in textiles and papermaking, building components, building insulation materials, etc., can solve the problems of high price, slow decomposition, and the product price is not close to the people, and achieves long service life, easy construction, and elimination of The effect of fire hazards
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[0014] Example 1
[0015] Add 40 parts of No. 70 petroleum pitch to the reactor, add 8 parts of SBS rubber modifier, heat up to 110~115℃, stir for 30min, then heat up to 180~185℃, continue to stir and react for 1h, add 0.5 part of aluminum zirconate Ester waterproof bridging agent, stir for 30min, and cool to 120~130℃ to obtain reactive modified asphalt, which is smeared on non-woven fabric to make waterproof membrane.
Example Embodiment
[0016] Example 2
[0017] Add 60 parts of No. 90 petroleum pitch into the reactor, add 12 parts of SBR rubber modifier, heat up to 115~120℃, stir for 30min, then heat up to 185~190℃, continue to stir and react for 1.5h, add 2 parts of chlorinated Trioctyltin, stirred for 30 minutes, and cooled to 120-130°C, the reactive modified asphalt is obtained, which is smeared on the non-woven fabric to make a waterproof membrane.
Example Embodiment
[0018] Example 3
[0019] Add 66 parts of No. 90 petroleum asphalt into the reactor, add 4 parts of SBS rubber modifier and 12 parts of SBR rubber modifier, heat up to 115~120℃, stir for 30min, then heat up to 185~190℃, continue to stir the reaction Add 3 parts of di-n-butyl ethyl phosphate for 1.5 hours, stir for 30 minutes, and cool to 120-130°C to obtain reactive modified asphalt, which is smeared on the non-woven fabric to make a waterproof membrane.
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