Nonwoven fabrics and method of producing the same

Details Nonwoven fabrics and method of producing the same Nonwoven fabrics and method of producing the same

1981-09-14

1983-03-22

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

128290W, 156176, 156305, 428218, 428286, 428287, 428288, A61F 1316, B32B 526, B32B 528

Patent

active

043776159

ABSTRACT:
A nonwoven fabrics comprising an upper layer having a substantially smooth surface and a lower layer having a density lower than that of the upper layer is provided; wherein the upper layer contains, as a principal element thereof, hydrophobic fibers, denier thereof being finer than in the lower layer, and containing a larger amount of adhesive bonding materials than in the lower layer; the lower layer contains, as a constituent fiber thereof, hydrophilic fibers and hydrophobic fibers, denier thereof being coarser than in the upper layer, and containing a smaller amount of adhesive bonding materials than in the upper layer.

REFERENCES:
patent: 1961914 (1934-06-01), Richter et al.
patent: 3923931 (1975-12-01), Fechillas
patent: 3978257 (1976-08-01), Ring
patent: 4216772 (1980-08-01), Tsuchiya et al.
patent: 4307721 (1981-12-01), Tsuchiya et al.
patent: 4332253 (1982-06-01), Schoots

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