MULTILAYER FILMS FOR AIRBAG APPLICATIONS AND RELATED METHODS

This invention relates to a multilayer film comprising: a) a barrier layer comprising a thermoplastic polyester elastomer or a polyamide copolymer; b) an intermediate layer provided on the barrier layer and comprising a maleic anhydride (MAH)-grafted polyolefin and an α-olefin copolymer; and c) an a...

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Bibliographic Details
Main Authors LUDWIG, Michael, YAMADA, Yosuke, TAGAMI, Toru
Format Patent
LanguageEnglish
French
German
Published 25.09.2024
Subjects
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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Summary:This invention relates to a multilayer film comprising: a) a barrier layer comprising a thermoplastic polyester elastomer or a polyamide copolymer; b) an intermediate layer provided on the barrier layer and comprising a maleic anhydride (MAH)-grafted polyolefin and an α-olefin copolymer; and c) an adhesive layer provided on the intermediate layer and comprising a thermoplastic polyester elastomer or a polyamide copolymer. The present invention enables production of gas-tight multilayer laminates which exhibit an excellent peel resistance combined with a low weight and/or thickness. In further embodiments, a multilayer laminate and an inflatable airbag comprising a fabric layer adhered to said multilayer film, as well as methods of manufacturing are described.
Bibliography:Application Number: EP20200714654