High-self-adhesive waterproof roll material of SBS (Styrene-Butadiene-Styrene) modified asphalt and production process thereof
A technology of self-adhesive waterproof membrane and modified asphalt, which is applied to roofing, building insulation materials, and building components using flexible materials, and can solve problems such as poor performance and single formula of modified asphalt self-adhesive waterproof membrane. Achieve excellent tensile strength, improve low temperature flexibility, increase tensile strength and elongation
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[0043] Referring to the embodiment shown in Figure 1, this SBS modified asphalt high self-adhesive waterproof roll material includes a tire base cloth, an oil-impregnated coating layer, an isolation layer and a film layer, and the raw materials of the oil-impregnated coating layer are by weight The percentage ratio is as follows:
[0044] Alkyl bitumen 40%;
[0045] SBS adhesive 10%;
[0046] naphthenic oil 5%;
[0047] Coumarone resin 5%;
[0048] Sub-spherical silica powder 30%;
[0049] Loess powder 10%.
[0050] The alkyl asphalt is 90# or 100# alkyl asphalt, and the SBS binder can be YH-792 linear non-oil-extended SBS binder. The fineness of the sub-spherical microsilica powder and loess powder can be nano-scale, which can further improve the mixing ability of composite fillers and other raw materials, improve the extension performance of waterproof membranes, and improve the ability to prevent ultraviolet radiation and anti-aging.
[0051] The production process o...
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