Water-repellent and vapor-permeable multilayer material for...

Details Water-repellent and vapor-permeable multilayer material for... Water-repellent and vapor-permeable multilayer material for...

2002-02-22

2008-07-15

Torres-Velazquez, Norca (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coating or impregnation specified as water repellent

C442S063000, C442S076000, C442S086000, C442S221000, C442S226000, C442S279000, C442S381000, C442S386000, C442S414000, C442S417000

Reexamination Certificate

active

07399718

ABSTRACT:
The invention relates to a multilayer material comprising (a) a first layer that consists of plaster or that substantially consists of plaster, and (b) at least one second layer, comprising a sandwich textile fiber material. The fibers of said material are interlinked in a mechanically stable manner, are incombustible and weather-proof and the interspaces are filled with a finely porous material. The second layer has a diffusion-equivalent air layer thickness of not more than 2.0 m and is water-impermeable at a water pressure of at least 100 mm water column. The inventive material can be used outdoors due to its properties. The invention further relates to methods for producing such a material.

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Joseph Davidovits, “Geopolymers: Man-Made Rock Geosynthesis and the Resulting Development of Very Early High Strength Cement”, J. Materials Education, 1994, pp. 3-27, vol. 16. Nos. 2 and 3.
Joseph Davidovits, “Properties of Geopolymer Cement”, Alkaline Cements and Concretes, 1994, Geopolymer Institute, pp. 1-19, Kiev Ukraine.

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