A kind of waterproof hard asphalt material and preparation method thereof
A technology of hard asphalt and coal tar pitch, applied in building thermal insulation materials, building components, buildings, etc., can solve the problems of low hardness, limited use of asphalt materials, poor waterproof performance of asphalt materials, etc., and achieve good hardness and good waterproof function. Effect
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Embodiment 1
[0012] A kind of preparation method of waterproof hard asphalt material, preparation method comprises the following steps: (1) open constant temperature reaction kettle, and reaction kettle temperature is 145 ℃, adds 26kg of coal tar pitch, 29kg of urea-formaldehyde resin, 1- Hexene is 12kg, mechanically stirred, and the stirring speed is 120rpm, and the stirring time is 30min; (2) adding methyl methanesulfonate in the reactor is 6kg, dimethyl sulfate is 11kg, allyl isothiocyanate 5kg, carry out mechanical stirring again, the stirring speed is 120rpm, and the stirring time is 20min; (3) finally add acetone in the reactor to be 7kg, stir, and the stirring speed is 110rpm, and the stirring time is 1h; (4) keep the reaction Keep the temperature of the kettle constant and keep it warm for 3 hours to prepare a waterproof hard asphalt material.
Embodiment 2
[0014] A kind of preparation method of waterproof hard asphalt material, preparation method comprises the following steps: (1) open constant temperature reaction kettle, and reaction kettle temperature is 145 ℃, adds 29kg of coal tar pitch, 24kg of urea-formaldehyde resin, 1- Hexene is 15kg, mechanically stirred, and the stirring speed is 140rpm, and the stirring time is 30min; (2) adding methyl methanesulfonate in the reactor is 7kg, dimethyl sulfate is 9kg, allyl isothiocyanate 6kg, mechanical stirring again, the stirring speed is 100rpm, and the stirring time is 20min; (3) finally add acetone to the reactor to be 8kg, stir, the stirring speed is 120rpm, and the stirring time is 1h; (4) keep the reaction Keep the temperature of the kettle constant and keep it warm for 3 hours to prepare a waterproof hard asphalt material.
Embodiment 3
[0016] A kind of preparation method of waterproof hard asphalt material, preparation method comprises the following steps: (1) open constant temperature reactor, and reactor temperature is 145 ℃, adds coal tar pitch to reactor and is 33kg, urea-formaldehyde resin is 22kg, 1- Hexene is 17kg, mechanically stirred, and the stirring speed is 160rpm, and the stirring time is 30min; (2) adding methyl methanesulfonate in the reactor is 9kg, dimethyl sulfate is 7kg, allyl isothiocyanate 8kg, carry out mechanical stirring again, the stirring speed is 110rpm, and the stirring time is 20min; (3) finally add acetone in the reactor to be 6kg, stir, and the stirring speed is 110rpm, and the stirring time is 1h; (4) keep the reaction Keep the temperature of the kettle constant and keep it warm for 3 hours to prepare a waterproof hard asphalt material.
[0017] After the asphalt material prepared in Example 1, Example 2, and Example 3 was heated and scraped on the cement surface, the asphalt ...
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