High strength wet-laid nonwoven fabric and process for producing

Details High strength wet-laid nonwoven fabric and process for producing High strength wet-laid nonwoven fabric and process for producing

1988-12-12

1990-01-02

McCamish, Marion C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

28104, 28105, 428299, D04H 146

Patent

active

048912620

ABSTRACT:
Provided is a high strength wet-laid nonwoven fabric having strength, i.e., tensile strength, tear strength and interlayer peeling strength, similar to those of a filament nonwoven fabric, and a uniformity similar to that of a conventional wet-laid nonwoven fabric. This nonwoven fabric is made of a fiber having a fiber diameter of from 7 .mu.m to 25 .mu.m and a ratio L/D of from 0.8.times.10.sup.3 to 2.0.times.10.sup.3 and is produced by entangling the fibers in a sheet made by a paper making machine by using a columnar water stream.

REFERENCES:
patent: 4152480 (1979-05-01), Adachi et al.

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