Subject of the invention is a nonwoven laminate, comprising:- a nonwoven layer (A) comprising multicomponent staple fibres,- optionally, a nonwoven layer (B) comprising multicomponent staple fibers or monocomponent staple fibers,- a needled nonwoven layer (C) comprising monocomponent staple fibres (c1) and multicomponent staple fibers (c2),- an optional nonwoven layer (D) comprising multicomponent staple fibers or monocomponent staple fibres, and- optionally, a nonwoven layer (E) comprising multicomponent staple fibres,wherein the layers are arranged in the order from (A) to (E),wherein the layers are bonded to each other by melt-bonding, and not by needling,wherein the multicomponent fibers comprise a polyester component and a copolyester component,wherein the monocomponent fibers in layer (C) are polyester fibers,wherein the monocomponent fibers in layer (B) and (D) are copolyester fibers,wherein the copolyester content in optional nonwoven layers (B) and (D) is higher than in nonwoven layers (A) and optional layer (E),wherein layer (C) has a basis weight of 500 to 2000 g/m2, determined according to DIN EN 29073-1:1992-08,wherein the nonwoven laminate has a bending force of at least 6 N, determined according to ISO 178:2019 for 2 mm deflection.The invention also relates to nonwoven laminates, shaped articles, uses thereof, products and processes for producing the same.
SUSTAINABLE NONWOVEN LAMINATE FOR STRUCTURAL PART APPLICATIONS
NACHHALTIGES VLIESLAMINAT FÜR STRUKTURBAUTEILANWENDUNGEN
STRATIFIÉ NON TISSÉ DURABLE POUR DES APPLICATIONS DE PIÈCE STRUCTURALE
2023-09-13
Patent
Electronic Resource
English
SUSTAINABLE NONWOVEN LAMINATE FOR STRUCTURAL PART APPLICATIONS
European Patent Office | 2023
|Sustainable nonwoven laminates for structural component applications
European Patent Office | 2023
|