치밀층의 적어도 편면에 보강층이 적층되어 이루어지고, 보강층이, (A) 섬유경이 20μm보다 큰 열가소성 수지 단섬유를 5질량%∼50질량% 및 (B) 섬유경이 20μm 이하인 열가소성 수지 단섬유를 95질량%∼50질량% 포함하여 이루어지고, 또한 (C) 융점이 상이한 2종 이상의 수지를 포함하여 형성되는 복합 폴리에스터계 단섬유의 함유율이 10질량%∼40질량%인 단섬유 부직포이며, 치밀층은, 벌크 밀도가 0.05g/cm∼0.3g/cm의 범위에 있는 부직포이고, 치밀층과 보강층이 니들 펀치에 의해 교락되어 있는 발포 성형용 부직포 적층체.
Disclosed is a multilayer nonwoven fabric for foam molding containing a dense layer and a reinforcing layer provided on at least one side of the dense layer, the reinforcing layer is a staple fiber nonwoven fabric containing thermoplastic resin staple fibers (A) having a fiber diameter of more than 20 µm, in an amount of 5% by mass to 50% by mass, and hermoplastic resin staple fibers (B) having a fiber diameter of 20 µm or less, in an amount of 95% by mass to 50% by mass, and conjugate polyester-based staple fibers (C) are contained in an amount of 10% by mass to 40% by mass, the dense layer is a nonwoven fabric having bulk density in a range of from 0.05 g/cm 3 to 0.3 g/cm 3 , and the dense layer and the reinforcing layer are entangled with each other by needle punching.
NONWOVEN FABRIC LAMINATE FOR FOAMING MOLDING, METHOD FOR PRODUCING NONWOVEN FABRIC LAMINATE FOR FOAMING MOLDING, URETHANE FOAMING MOLDING COMPOSITE USING NONWOVEN FABRIC LAMINATE, VEHICLE SEAT, AND CHAIR
발포 성형용 부직포 적층체, 발포 성형용 부직포 적층체의 제조 방법, 부직포 적층체를 이용한 우레테인 발포 성형체 복합물, 차량용 시트, 및 의자
2016-04-01
Patent
Elektronische Ressource
Koreanisch
IPC: | 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 / A47C Stühle , CHAIRS / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL |
Europäisches Patentamt | 2016
|Europäisches Patentamt | 2015
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