Patent ID: 8404365

Claim:
A wallboard comprising: an interior gypsum plaster core; and at least one treated paper adhered to a surface of the interior gypsum plaster core, wherein the treated paper further comprises a paper sheet, a surface of the paper sheet is treated with a surface treating adhesive, the surface treating adhesive comprises water, a latex binder and a mineral filler, the latex binder is selected from the group consisting of ethylene polyvinyl acetate, poly(vinyl acetate) (PVOAc) latex, styrene butadiene (SBR), acrylic, and vinyl acrylic, the latex binder comprises about 1-55 wt % of the surface treating adhesive and the mineral filler comprises about 1-50 wt % of the surface treatment adhesive, and wherein the surface of the interior gypsum plaster core is adhered to the surface of the paper sheet treated with the surface treating adhesive.