Moisture barrier material of asphalt
A technology of asphalt and petroleum asphalt, which is applied in the field of asphalt moisture-proof materials, can solve the problems of non-moisture-proof strength and poor stability of asphalt moisture-proof materials, and achieve the effect of good bonding strength, good stability and good water resistance
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Embodiment 1
[0013] An asphalt moisture-proof material, its composition expressed in parts by mass: 100 parts of petroleum asphalt; 30 parts of zinc yellow; 10 parts of heavy diesel oil; 5 parts of xylene; 10 parts of asbestos wool; 6 parts of mica iron oxide; 10 parts of tung oil 30 parts of vinyl acetate; 5 parts of aluminum stearate; 10 parts of butyl acrylate; 2 parts of butanol; 4 parts of methyl methacrylate; 2 parts of ethylenediamine. Add the above components into the reaction kettle, raise the temperature to 140°C, stir evenly, and then keep the temperature at 70°C for 4 hours.
[0014] The surface of the product is dry for 3 hours, and it is dry for 10 hours; the tensile strength is 200MPa, the water impermeability is 0.3MPa, and there is no leakage in 1 hour; the elongation at break is 500%, and there is no crack at -30°C.
Embodiment 2
[0016] An asphalt moisture-proof material, its composition expressed in parts by mass is: 100 parts of petroleum asphalt; 45 parts of zinc yellow; 15 parts of heavy diesel oil; 8 parts of xylene; 14 parts of asbestos wool; 8 parts of mica iron oxide; 20 parts of tung oil 35 parts of vinyl acetate; 8 parts of aluminum stearate; 15 parts of butyl acrylate; 5 parts of butanol; 10 parts of methyl methacrylate; 3 parts of ethylenediamine. Add the above components into the reaction kettle, raise the temperature to 140°C, stir evenly, and then keep the temperature at 70°C for 4 hours.
[0017] The surface of the product is dry for 2.5 hours, and it is dry for 9 hours; the tensile strength is 250MPa, the water impermeability is 0.3MPa, and there is no leakage in 1 hour; the elongation at break is 500%, and there is no crack at -30°C.
Embodiment 3
[0019] An asphalt moisture-proof material, its composition expressed in parts by mass is: 100 parts of petroleum asphalt; 35 parts of zinc yellow; 12.5 parts of heavy diesel oil; 6.5 parts of xylene; 12 parts of asbestos wool; 7 parts of mica iron oxide; 32.5 parts of vinyl acetate; 6.5 parts of aluminum stearate; 12.5 parts of butyl acrylate; 3.5 parts of butanol; 7 parts of methyl methacrylate; 2.5 parts of ethylenediamine. Add the above components into the reaction kettle, raise the temperature to 140°C, stir evenly, and then keep the temperature at 70°C for 4 hours.
[0020] The product is surface dry for 2 hours and solid for 8 hours; the tensile strength is 300MPa, the water impermeability is 0.3MPa, and there is no leakage in 1 hour; the elongation at break is 500%, and there is no crack at -30°C.
[0021] All components in the above examples are commercially available.
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