Patent ID: 9115027
Filing Date: 2015-08-25
Classification: C04B,C09D

Abstract:
1. A joint compound composition capable of reducing the amount of dust produced during sanding of the joint compound composition, said joint compound composition comprising: a filler material selected from the group consisting of calcium carbonate, calcium sulfate dihydrate, talc, and calcium sulfate hemihydrate; and at least a first binder and a second binder, wherein the first binder comprises a styrene-butadiene polymer and has a glass transition temperature that is equal to or greater than about −10 degrees Celsius, the second binder comprises an ethylene vinyl acetate polymer and has a glass transition temperature in the range of about −80 degrees Celsius to about 10 degrees Celsius, and the glass transition temperature of the first binder is at least about 5 degrees Celsius greater than the glass transition temperature of the second binder.