PROCESS FOR PRODUCING A LOW DENSITY ACOUSTICAL PANEL WITH IMPROVED SOUND ABSORPTION

A process useful for producing low density high mineral wool based acoustical panels with improved acoustical absorption properties using a water felting process is disclosed. The process includes forming a dilute slurry mixture including water, mineral wool, a thermoplastic binder and/or starch; an...

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Bibliographische Detailangaben
Hauptverfasser:	YU, QING, ENGLERT, MARK, H
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BUILDING CEILINGS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS IMPREGNATING OR COATING OF PAPER INKS INSULATION OR OTHER PROTECTION OF BUILDINGS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS ROOFS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G USE OF MATERIALS THEREFOR WALLS, e.g. PARTITIONS WOODSTAINS
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