본 발명은 흡음 및 차음 성능이 우수한 차량용 내외장재에 관한 것으로, 본 발명에 따른 차량용 내외장재는, 폴리에스테르 수지 발포체로 형성된 발포층의 적어도 일면에 이형단면 중공섬유의 집합체를 포함하는 부직포층을 형성함으로써 우수한 흡음 및 차음 특성을 구현함과 동시에 우수한 경량성, 내열성 및 내구성을 가질 수 있다.
Interior and exterior furnishings of vehicle having excellent sound absorbing and excluding
흡음 및 차음 성능이 우수한 차량용 내외장재
2017-06-07
Patent
Electronic Resource
Korean
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse |
Interior and exterior furnishings of vehicle having excellent durability
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European Patent Office | 2019
Interior and exterior furnishings of vehicle having excellent durability and light-weight
European Patent Office | 2018
|Interior furnishings of vehicle having excellent durability
European Patent Office | 2017
Interior furnishings of vehicle having excellent durability
European Patent Office | 2017
|