Elastomer sheet laminate and waterproofing water-barrier...

B - Operations – Transporting – 32 – B

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B32B 5/18 (2006.01) B32B 25/08 (2006.01) E02B 5/02 (2006.01)

Patent

CA 2232617

An elastomer sheet laminate for use as a waterproof water-barrier sheet for a roof, floor or wall of a building, a reservoir or an industrial waste disposal facility. It can be colored evenly and delicately, hardly warped, and is superior in weatherability. The color does not shade. It comprises an elastomer sheet (2), a stretched porous polytetrafluoroethylene (ePTFE) film (4), and a thermoplastic resin film (3) interposed between the sheet (2) and film (4). In particular the ePTFE film and thermoplastic resin film are preferably colored.

Stratifié en feuille d'élastomère destiné à être utilisé comme feuille hydrofuge étanche pour un toit, un plancher ou un mur d'une construction, un réservoir ou une installation de rejet des déchets industriels. Il peut être coloré de façon uniforme, très légèrement voilé, et il présente une aptitude supérieure à résister aux intempéries. La couleur ne s'estompe pas. Il comprend une feuille d'élastomère (2), un film (4) en polytétrafluoroéthylène poreux étiré (ePTFE), et un film (3) de résine thermoplastique interposé entre la feuille (2) et le film (4). Le film en ePTFE et le film de résine thermoplastique ont notamment une coloration préférentielle.

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