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METHODS FOR MANUFACTURING BUILDING BOARDS
The present disclosure relates generally to methods of manufacturing plasterboards, such as gypsum wallboards. One aspect of the disclosure is a method of manufacturing a building board that includes providing a wet building board by allowing a plaster slurry to set between opposing facings, the wet building board having a set plaster core disposed between the facings; and providing a surfactant (such as a quaternary ammonium salt surfactant) on at least one of the facings (e.g., by applying an aqueous surfactant-containing composition to the facing); then conducting the wet building board to a drying oven, for example, via one or more conveyers (e.g., rollers and/or belts and/or rails); and drying the wet building board in the drying oven to provide the building board.
METHODS FOR MANUFACTURING BUILDING BOARDS
The present disclosure relates generally to methods of manufacturing plasterboards, such as gypsum wallboards. One aspect of the disclosure is a method of manufacturing a building board that includes providing a wet building board by allowing a plaster slurry to set between opposing facings, the wet building board having a set plaster core disposed between the facings; and providing a surfactant (such as a quaternary ammonium salt surfactant) on at least one of the facings (e.g., by applying an aqueous surfactant-containing composition to the facing); then conducting the wet building board to a drying oven, for example, via one or more conveyers (e.g., rollers and/or belts and/or rails); and drying the wet building board in the drying oven to provide the building board.
METHODS FOR MANUFACTURING BUILDING BOARDS
THIBEAULT JOHN (Autor:in) / BELANGER ROBERT J (Autor:in) / GHOSH ANIRBAN (Autor:in)
07.03.2024
Patent
Elektronische Ressource
Englisch
Methods for manufacturing boards, and profiled element for manufacturing boards
Europäisches Patentamt | 2022
|METHODS FOR MANUFACTURING BOARDS, AND PROFILED ELEMENT FOR MANUFACTURING BOARDS
Europäisches Patentamt | 2019
|Engineering Index Backfile | 1963
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