LATEX IMPREGNATED FIBROUS ACOUSTIC INSULATOR

LATEX IMPREGNATED FIBROUS ACOUSTIC INSULATOR

A fibrous acoustic insulator includes a nonwoven mat having at least a first layer impregnated with a thermoset polymeric material that is liquid-based. A second layer oppositely facing with respect to the first layer is also impregnated with the thermoset polymeric material. An un-impregnated nonwo...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: DEMO MICHAEL P, RITZEMA KENNETH
Format: Patent
Sprache:eng
Schlagworte:
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:A fibrous acoustic insulator includes a nonwoven mat having at least a first layer impregnated with a thermoset polymeric material that is liquid-based. A second layer oppositely facing with respect to the first layer is also impregnated with the thermoset polymeric material. An un-impregnated nonwoven material layer defining an inner layer is positioned between the first and second layers. The un-impregnated nonwoven material layer may be shoddy and does not include the thermoset polymeric material, thereby defining an untreated nonwoven material layer.