Polymeric waterproofing membranes

Details Polymeric waterproofing membranes Polymeric waterproofing membranes

B - Operations, Transporting

32

B

18/1027, 20/50

B32B 27/28 (2006.01) B32B 27/12 (2006.01) D06N 7/00 (2006.01) E04D 5/10 (2006.01)

Patent

CA 2026643

In the inventive polymeric waterproofing membranes an upper layer and a lower layer penetrate an in between lying carrier material in such a way that they are heat-sealed together. The upper layer and the lower layer are built up on the basis of at least one copolymer, which is built up of the monomer ethylene and a comonomer, selected from the group, consisting of vinylesters of a C2- to C3-alkane carboxylic acid and C1- to C4-alkyl esters of the acrylic acid. There are also described processes for the preparation of the polymeric waterproofing membranes. These polymeric waterproofing membranes may be used for the sealing of buildings and constructions.

Membrane imperméable en polymère innovatrice composée d'une couche supérieure et d'une couche inférieure pénétrant une base support horizontale intermédiaire de sorte qu'elles sont thermoscellées. Les deux couches sont fabriquées à partir d'au moins un copolymère, lui-même composé de l'éthylène monomère et d'un comonomère, choisi dans le groupe des vinylesters d'un acide alcane en C2-C3 carboxylique et des esters alcoyle en C1-C4 de l'acide acrylique. Des procédés de fabrication de ces membranes, qui peuvent être utilisées pour le scellement de bâtiments et de constructions, sont également dévoilés.

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