Method for producing gypsum board of high acoustic transmission class and gypsum board produced by the method

摘要

Layered gypsum wall boardA gypsum board having opposing front and back surfaces;Gypsum boardFront cover sheet material on the frontSecond cover sheet material on the backAnd containing gypsum core layers containing gypsumGypsum boardAn adhesive layer on the second cover sheet material of the gypsum board;The glue isContains polymers having a glass transition temperature (TG) of 10 toAdhesive layer andAdhesive layerAn intermediate gypsum layer containing gypsum on the adhesive layer, as between the second cover sheet material and the intermediate gypsum layer;Adhesive layer and intermediate gypsum layerHaving a total thickness of 0.09 inches to 0.25 inchesIntermediate gypsum layerThe third cover sheet materialIntermediate gypsum layerBetween the adhesive layer and the third cover sheet materialIt is in contact with the adhesive layer and the third cover sheet materialThe third cover sheet material and.Diagram