Coating and preparation method thereof as well as modified asphalt waterproof roll
A technology of coating and petroleum asphalt, which is applied in the direction of building insulation materials, building components, buildings, etc., can solve the problems that the environmental protection treatment device cannot realize the treatment of waste gas, the production line cannot be completely sealed, and the solvent recovery efficiency cannot be guaranteed, so as to improve uniformity Stability, improvement of aging performance, effect of reducing production efficiency
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[0058] In the embodiment of the present invention, the preparation method of the coating material includes:
[0059] 1) Inject high-grade straight-run petroleum pitch and low-grade petroleum pitch into the reactor, heat up to 120-140℃, add graphene, and turn on the high-speed disperser to stir for 10-30 minutes;
[0060] 2) Add polymer rubber, keep or heat to 130-140℃, turn on the colloid mill after 10 minutes, and stir for 60 minutes;
[0061] 3) Keep the temperature at 130-140℃, turn off the colloid mill, add rubber powder and tackifying resin, turn on the colloid mill after 10 minutes, continue stirring for 60 minutes, and inspect in the center;
[0062] 4) Add filler and stir for 20-40 minutes to obtain the coating material.
Example Embodiment
[0063] Example 1:
[0064] This embodiment provides a coating material.
[0065] Coating material ratio: high-grade straight-run petroleum pitch 1 20 parts, No. 70 base petroleum pitch 20 parts, polymer rubber material 120 parts, rubber powder rubber material 1 20 parts, C5 petroleum resin 5 parts, graphene 0.002 parts, Filler 19.998 parts. According to the above preparation method, the production temperature is controlled to 135℃. The mass loss is determined to be 0.06% by the difference method before and after preparation. The coating material is prepared into a modified bitumen waterproof membrane, and its key physical properties are tested. The results are shown in Table 1.
Example Embodiment
[0066] Example 2:
[0067] This embodiment provides a coating material.
[0068] Coating material ratio: high-grade straight-run petroleum pitch 3 25 parts, No. 70 base petroleum pitch 15 parts, polymer compound 323 parts, rubber powder compound 3 17 parts, C9 petroleum resin 5 parts, graphene 0.002 parts, Filler 14.998 parts, according to the above preparation method, control the production temperature to 125 ℃, before and after the preparation, the mass loss is determined to be 0.09% by the differential method, the coating material is prepared into a modified bitumen waterproof membrane, and its key physical properties are tested. The results are shown in Table 1.
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