Finishing compound suitable for an acoustic support

Details Finishing compound suitable for an acoustic support Finishing compound suitable for an acoustic support

C - Chemistry, Metallurgy

04

B

C04B 26/02 (2006.01) C04B 26/06 (2006.01) C04B 41/45 (2006.01) C09D 5/00 (2006.01) C09D 7/12 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2722101

The subject of the present invention is a finishing compound having acoustic properties and comprising, in percentage by weight relative to the total weight of the product, at least - 25 to 80% of water; - 0.1 to 5% of thickener; - 0.01 to 0.8% of dispersant; 10 to 60% of monogranular filler, the D50 of which is greater than or equal to 100 µm; - 0.5 to 6% of binder; and that does not comprise a foaming agent; and that has an air permeability after evaporation of the water between 800 and 6000 mks Rayls.

La présente invention a pour objet un enduit de finition ayant des propriétés acoustiques et comprenant en pourcentage en poids par rapport au poids total du produit, au moins - 25 à 80 % d'eau; - 0,1 à 5 % d'agent épaississant; - 0,01 à 0,8 % d'agent dispersant; 10 à 60 % de charge monogranulaire dont le D50 est supérieur ou égal à 100 µm; - 0,5 à 6 % de liant; et ne comprenant pas d'agent moussant; et présentant une perméabilité à l'air après évaporation de l'eau comprise entre 800 et 6000 mks Rayls.

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