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    • 10. 发明授权
    • Waterproofing sheet
    • 防水板
    • US07927694B2
    • 2011-04-19
    • US10465941
    • 2001-11-08
    • Fernando Gordun Burillo
    • Fernando Gordun Burillo
    • B32B27/00E04C1/00
    • B32B5/18B32B27/32E21D11/383Y10T428/24496Y10T428/24504Y10T428/24537Y10T428/249976Y10T428/249977Y10T428/249987Y10T428/249988Y10T428/249991Y10T428/249992
    • It comprises three layers: a first layer of plastic material that provides the whole with mechanical strength, a second intermediate layer of foam forming a union between the first and second layer, and a third layer of impermeable plastic material and is characterized in that the first layer (2) is mase on an elastomeric polyolefin of high strength and elasticity, in that the second layer (3) is of closed-cell, physically or chemically cross-linked polyethylene foam, and in that the third layer (4) is of polyolefin with high tear resistance. A light waterproofing sheet is obtained which withstands extreme meteorological conditions, is resistant to chemical agents, while it also has optimum mechanical properties at a lower thickness thanks to the material of which the first layer is comprised and unlike other sheets existing it has no ageing limit, which means that once the sheets have been fitted they do not have to be replaced.
    • 它包括三层:提供整体机械强度的第一层塑料材料,形成在第一和第二层之间的接头的泡沫的第二中间层和第三层不可渗透的塑料材料,其特征在于第一层 层(2)在具有高强度和弹性的弹性体聚烯烃上,其中第二层(3)为闭孔,物理或化学交联的聚乙烯泡沫,并且第三层(4)为 具有高抗撕裂性的聚烯烃 获得耐受极端气象条件的轻防水片材,耐化学药剂,同时由于第一层的材料含有较低的厚度,它也具有最佳的机械性能,与其它片材不同,它没有老化极限 ,这意味着一旦安装了纸张,就不必更换纸张。