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US 9,933,209 B1Granted
Method for dewatering acoustical panels
AssigneeUSG Interiors, Inc.
InventorYufeng Xu
Life of this patent
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Abstract
The disclosure provides a method of forming an acoustical panel base mat, including providing a green board including an alkyl ether sulfate surfactant, wherein the green board includes from about 10 to about 40 wt. % solids, and dewatering the green board slurry to form a dewatered green board, wherein the dewatering comprises supplying hot air and applying a vacuum to the green board.
Claims18
A method of forming an acoustical panel base mat, comprising:
- providing a green board comprising an alkyl ether sulfate surfactant, wherein the green board comprises from about 10 to about 40 wt % solids;
- and
- dewatering the green board to form a dewatered green board, wherein the dewatering comprises supplying hot air and applying a vacuum to the green board.
Dependencies are inferred from the claim text.