To provide a non-woven laminate that at least partially overcomes drawbacks faced in a field of underbody shield materials.SOLUTION: There is provided a nonwoven fabric laminate 1 that comprises layers in the following order (A) to (E), and each layer is bonded each other by melting: (A) a spunbond nonwoven fabric layer 2 that includes fibers comprising polyethylene terephthalate (PET) and a co-polyester; (B) an optional spunbond nonwoven fabric layer 3 that includes fibers comprising polyethylene terephthalate (PET) and a co-polyester, and has a higher co-polyester content than a content of the nonwoven fabric layer (A); (C) a needled staple fiber nonwoven fabric layer 4 that includes mono-component polyethylene terephthalate (PET) staple fibers (c1) and multi-component staple fibers (c2) comprising at least one component of a polyethylene terephthalate (PET) component and a co-polyester component; (D) an optional spunbond nonwoven fabric layer 5 that includes fibers comprising polyethylene terephthalate (PET) and co-polyester, and has a higher co-polyester content than a content of a nonwoven fabric layer (E); (E) a spunbond nonwoven fabric layer 6 that includes fibers comprising polyethylene terephthalate (PET) and co-polyester.SELECTED DRAWING: Figure 1
【課題】アンダーボディシールド材料分野において直面する欠点を少なくとも部分的に克服する不織布積層体の提供。【解決手段】PETおよびコポリエステルを含む繊維を含むスパンボンド不織布層(A)2と、PETおよびコポリエステルを含む繊維を含み、かつ不織布層(A)よりもコポリエステル含有量が高い任意のスパンボンド不織布層(B)3と、単成分PET短繊維(c1)と、少なくとも1つのPET成分およびコポリエステル成分を含む多成分短繊維(c2)とを含むニードリング済みの短繊維不織布層(C)4と、PETおよびコポリエステルを含む繊維を含み、かつ不織布層(E)よりもコポリエステル含有量が高い任意のスパンボンド不織布層(D)5と、PETおよびコポリエステルを含む繊維を含むスパンボンド不織布層(E)6とを(A)〜(E)の順序で含み、いずれの層も溶融により互いに結合されている不織布積層体1である。【選択図】図1
NONWOVEN FABRIC LAMINATE
不織布積層体
2021-03-11
Patent
Electronic Resource
Japanese
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 / B62D MOTOR VEHICLES , Motorfahrzeuge / D04H Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material , MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL / D06M Behandeln von Fasern, Fäden, Garnen, Textilgut, Federn oder aus solchen Materialien hergestelltem Fasergut, soweit nicht anderweitig in Klasse D06 vorgesehen , TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS |
NONWOVEN FABRIC LAMINATE AND PERFORATED FILM USED THEREFOR
European Patent Office | 2016
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