Weather barrier

A barrier and weather technology, applied to building components, thermal insulation, roof insulation materials, etc., can solve problems such as fading and reduced solar reflectance

Pending Publication Date: 2020-11-27
SAN MIGUEL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the color of the white fluoropolymer layer will fade over time and the solar reflectance will decrease

Method used

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  • Weather barrier

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Embodiment Construction

[0039] Preferred embodiments of the invention will now be described below, including reference numerals corresponding to features shown in the drawings.

[0040] figure 1 A laminate 10 is shown comprising an outwardly facing barrier layer 2 supported on an intermediate layer 4 formed of a metallic material having a solar reflectance in the range of 0.7 to 0.95. The intermediate layer 4 is bonded by an adhesive 6 to a support layer 8 which structurally carries the barrier layer 2 and the intermediate layer 4 .

[0041] According to this embodiment, the barrier layer 2 is a fluoropolymer, so it is resistant to UV (ultraviolet) radiation and has non-stick properties, which allow it to be effectively self-cleaning. In particular, the fluoropolymer is selected to have a surface tension of less than 28 mN / m such that water bead up on the surface and flow away easily. This means that any residual dust or dirt blown onto the laminate 10 is likely to be washed away by the rain, like ...

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Abstract

Disclosed herein is a weather barrier having: (a) a hydrophobic, air impermeable, UV resistant, and acid resistant, externally facing transparent or translucent barrier layer; (b) an intermediate reflective layer of a metal material having a solar reflectance in the range of 0.7 to 0.95; and (c) a support layer structurally carrying the reflective layer and the barrier layer. Also disclosed hereinis a method of forming a weather barrier by bonding a reflective layer to a substrate layer with an adhesive, and applying a barrier layer to the reflective layer.

Description

technical field [0001] The present invention relates to a weather protection barrier. Although not exclusive, the barrier has particular application on roofs where the purpose is to limit the transfer of heat from solar radiation to the building. Weather barriers that limit heat transfer from solar radiation are also suitable for trucks, tents and pipes. Background technique [0002] Building design considerations in warm climates such as the tropics take into account the solar reflectance of exterior surfaces. In particular, these surfaces preferably have high solar reflectance, thereby reducing the heat transfer into the building (and thus reducing the level of air conditioning required to maintain a comfortable environment within the building). Solar reflectance is important because more than 90% of the energy in the solar spectrum is in the visible and infrared parts of the spectrum. Approximately 5% of sunlight energy is contributed by the ultraviolet (UV) part of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04D13/16E04B1/78
CPCE04D13/16E04B1/78
Inventor 陈德顺郑巧珊任家伟孙敏宾
Owner SAN MIGUEL CORPORATION
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