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Waterproof membranes

a waterproof membrane and waterproof technology, applied in knitting machines, weaving, straight-bar knitting machines, etc., can solve problems such as labor and danger, achieve the effects of improving puncture resistance and waterproofing, increasing the mass or density of the base fabric, and prolonging the long-term performan

Inactive Publication Date: 2014-03-13
SEAMAN CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present disclosure relates to improved substrates for waterproof membranes that can be used in various architectural and construction applications. These substrates have a base fabric that is coated with a polymer adhesive and a polymer coating on each side, which can be bonded with an adhesive to create a strong and effective waterproofing membrane. The substrate can be used as a single-ply membrane or in a multiple-layer system for roofing or other applications. In roofing, the substrate can also be coated with asphalt-based adhesive for better adhesion to the roof surface. These waterproof membranes provide superior waterproofing and mechanical strength without compromising their ability to resist exposure to UV radiation and chemicals.

Problems solved by technology

This requires the application of hot asphalt directly to a roof underlayment, which is laborious and hazardous.
The combination of woven materials and bituminous compositions is problematic in that once the asphalt component degrades, passages through the membrane allow leakage.

Method used

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Embodiment Construction

[0020]The present disclosure and related inventions are directed to waterproof membranes and particularly to single-ply polymeric coated substrates which serve as the primary water barrier in a waterproof membrane. The single-ply polymeric coated substrates of the present disclosure and related inventions are combinable with one or more adhesives and additional materials to form a waterproof membrane for a wide variety of applications, including architectural and construction applications above and below grade and adjacent any surface or structure to be protected from moisture.

[0021]The present disclosure and related inventions also include improved substrates which serve as the waterproof barrier and structural puncture-resistant barrier for a single-layer roofing membrane. The waterproof membranes of the present disclosure, made with a single-ply polymer coated substrate as described herein, provide reduced weight and / or thickness; reduced cost; improved puncture resistance; impro...

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Abstract

Waterproof membranes have a single-ply polymer coated substrate and at least one adhesive layer for architectural and structural waterproofing.

Description

RELATED APPLICATIONS[0001]This application claims priority to and is a non-provisional of U.S. Provisional Patent Application No. 61 / 700,417 filed Sep. 13, 2012, entitled “Waterproof Membranes,” the contents of which is incorporated by reference.FIELD OF THE INVENTION[0002]The present disclosure and related inventions is directed to an improved waterproof membrane(s) for use as waterproof barriers.BACKGROUND OF THE INVENTION[0003]Waterproof membranes are commonly formed by use of multiple layers of materials including a matrix such as a woven scrim or fabric which is coated or combined with natural or synthetic material which blocks the passage of moisture through the matrix. For example, roofing membranes, for flat or low-slope roofs are typically constructed of multiple layers of woven polymeric or glass mat material with bituminous or modified bituminous applied to both sides and adhesive between the layers. The modified bituminous material may include any of various polymers or ...

Claims

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Application Information

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IPC IPC(8): E04D5/02E04D5/10
CPCE04D5/10E04D5/02B32B5/022B32B5/024B32B5/026B32B7/12B32B2255/02B32B2255/26B32B2262/0276B32B2262/101B32B2307/712B32B2307/7265B32B2307/748B32B2419/06Y10T428/1476Y10T442/3854Y10T442/2107Y10T442/40Y10T442/2066Y10T442/674Y10T442/2098
Inventor BRADENBURG, FRANK E.
Owner SEAMAN CORP
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