STRUCTURAL COMPOSITE MATERIAL WITH IMPROVED ACOUSTIC AND VIBRATIONAL DAMPING PROPERTIES

Cured or uncured structural composite material comprising a viscoelastic interleaf that may be positioned between a pair of adjacent layers of structural fibers. The viscoelastic interleaf is a layer of nonwoven material, which is comprised of thermoplastic elastomer fibers. The layers of structural...

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Bibliographic Details
Main Authors RESTUCCIA, CARMELO LUCA, LOFARO, CARMELO
Format Patent
LanguageEnglish
French
Published 27.06.2017
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:Cured or uncured structural composite material comprising a viscoelastic interleaf that may be positioned between a pair of adjacent layers of structural fibers. The viscoelastic interleaf is a layer of nonwoven material, which is comprised of thermoplastic elastomer fibers. The layers of structural fibers are partially or completely impregnated with the thermosetting resin component. The thermosetting resin component has a glass transition temperature T g that is higher than that of the viscoelastic interleaf. L'invention concerne un matériau composite qui comprend une feuille intercalaire viscoélastique comportant une couche de nontissé qui peut être placée au centre.
Bibliography:Application Number: CA20102748926