Use of pre-coated mat for preparing gypsum board

Details Use of pre-coated mat for preparing gypsum board Use of pre-coated mat for preparing gypsum board

2004-03-12

2010-06-29

Chriss, Jennifer A (Department: 1794)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including an additional nonwoven fabric

C428S294700, C442S180000, C442S256000, C442S279000

Reexamination Certificate

active

07745357

ABSTRACT:
A gypsum board which comprises a set gypsum core sandwiched between and faced with fibrous mats, wherein a free surface of one of said mats is pre-coated with a combination of a mineral pigment, optionally an inorganic adhesive binder and an organic binder, preferably a hydrophobic, UV resistant polymer latex adhesive binder applied to said surface as an aqueous coating composition, said aqueous coating composition upon drying and setting providing a pre-coated mat satisfying certain morphology requirements.

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