CLAIMS
1. A laminated nonwoven fabric having a skin layer and a base
material layer,
the skin layer having a nonwoven fabric A, the nonwoven
fabric A having a density of 100 to 500 kg/m
3
, a thickness of
0.5 to 2.5 mm, and an air permeability of 4 to 40 cm
3
/cm
2
/s;
and
the base material layer having a nonwoven fabric B, the
nonwoven fabric B having a basis weight of 200 to 500 g/m
2
and
a thickness of 5 to 40 mm.
2. The laminated nonwoven fabric according to claim 1,
wherein the nonwoven fabric B has a thickness of 10 to 40 mm.
3. The laminated nonwoven fabric according to claim 1 or 2,
wherein the nonwoven fabric A comprises 20 to 40% by mass of
a thermoplastic fiber having a single fiber diameter of 1 to
5000 nm, relative to the whole nonwoven fabric A.
4. The laminated nonwoven fabric according to any one of
claims 1 to 3, having a bending resistance of 300 mm or less.
5. The laminated nonwoven fabric according to any one of
claims 1 to 4, wherein the nonwoven fabric A has fibers made of polyamide and/or fibers made of polyethylene terephthalate.
6. The laminated nonwoven fabric according to any one of
claims 1 to 5, wherein the nonwoven fabric B has a binder fiber
and the content of the binder fiber is 5 to 30% by mass relative
to the whole nonwoven fabric B.
7. A sound absorbing material comprising the laminated
nonwoven fabric defined in any one of claims 1 to 6.