AN ACOUSTIC DAMPING MATERIAL COMPRISING RENEWABLE RAW MATERIALS

The invention is directed to an acoustic damping material comprising a binder matrix comprising a bitumen component or a polymer component, and filler component comprising at least one solid particulate cellulose-containing filler. The acoustic damping material is suitable for use in damping of unde...

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Bibliographische Detailangaben
Hauptverfasser:	HARDT, Christian, FUHRMANN, Bernd, KORNACKI, Zdislaw, SCHWAB, Frederick
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WORKING-UP
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Beschreibung
Zusammenfassung:	The invention is directed to an acoustic damping material comprising a binder matrix comprising a bitumen component or a polymer component, and filler component comprising at least one solid particulate cellulose-containing filler. The acoustic damping material is suitable for use in damping of undesired vibrations and noise in mechanical structures and components of manufactured articles. The invention is also directed to use of the acoustic damping material for damping of vibrations and noise in transportation vehicles and white goods, to a vibration and noise damping element comprising a damping layer composed of the acoustic damping material, to a method for applying a vibration and noise damping element to a noise emitting surface of a substrate, and to a vibration damped system comprising a substrate and the vibration and noise damping element bonded to a noise emitting surface of the substrate. L'invention concerne un matériau d'amortissement acoustique comprenant une matrice de liant comprenant un composant bitume ou un composant polymère, et un composant de charge comprenant au moins une charge particulaire solide contenant de la cellulose. Le matériau d'amortissement acoustique est approprié pour une utilisation dans l'amortissement de vibrations et de bruit indésirables dans des structures mécaniques et des pièces d'articles manufacturés. L'invention concerne également l'utilisation du matériau d'amortissement acoustique pour l'amortissement de vibrations et de bruit dans des véhicules de transport et l'électroménager, un élément d'amortissement de vibrations et de bruit comprenant une couche d'amortissement composée du matériau d'amortissement acoustique, un procédé d'application d'un élément d'amortissement de vibrations et de bruit sur une surface d'émission de bruit d'un substrat, et un système amorti en vibrations comprenant un substrat et l'élément d'amortissement de vibrations et de bruit collé sur une surface d'émission de bruit du substrat.