A composite geomembrane
A composite geomembrane and geotextile technology, applied in synthetic resin layered products, building elements, layered products, etc., can solve the problems of shortening the service life of the geomembrane, high brittleness of the geomembrane, and great potential safety hazards, and achieves a high level of safety. The effect of UV resistance, strong chemical resistance and long service life
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Embodiment 1
[0016] A composite geomembrane, comprising a non-woven fabric layer, a geotextile layer and an anti-seepage layer, characterized in that: the anti-seepage membrane layer comprises a first anti-seepage layer, a second anti-seepage layer and a third anti-seepage layer, The first anti-seepage layer, the second anti-seepage layer and the third anti-seepage layer are combined together in this order. The anti-seepage film layer is made of high-density polyethylene and linear high-density polyethylene. The high-density polyethylene Density polyethylene accounted for 50 parts by weight, the linear low density polyethylene accounted for 50 parts by weight, and the components of the anti-seepage film layer also include auxiliary materials, and the auxiliary materials include antioxidants, Anti-ultraviolet absorber, anti-aging agent, carbon black and flame retardant, the weight parts of described antioxidant, anti-ultraviolet absorber, anti-aging agent, carbon black and flame retardant ar...
Embodiment 2
[0019] A composite geomembrane includes a non-woven fabric layer, a geotextile layer and an anti-seepage film layer, and the anti-seepage film layer is arranged between the upper non-woven fabric and the lower geotextile layer. The anti-seepage film layer includes a first anti-seepage layer, a second anti-seepage layer and a third anti-seepage layer, and the first anti-seepage layer, the second anti-seepage layer and the third anti-seepage layer are combined together in this order , the anti-seepage film layer is made of high-density polyethylene and linear high-density polyethylene, the high-density polyethylene accounts for 60 parts by weight, and the linear low-density polyethylene accounts for 60 parts by weight is 40, the thickness of the first anti-seepage layer is 0.6 mm, the thickness of the second anti-seepage layer is 2.0 mm and the thickness of the third anti-seepage layer is 2.5 mm. The components of the anti-seepage film layer also include auxiliary materials. De...
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