Non-woven fabric, and oil water separating filter and oil-water

Details Non-woven fabric, and oil water separating filter and oil-water Non-woven fabric, and oil water separating filter and oil-water

1986-01-24

1987-05-05

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428198, 428252, 428253, 428256, 428284, 428285, 428286, 428903, D03D 300

Patent

active

046632220

ABSTRACT:
Disclosed is a water-repellent nonwoven fabric made of a melt-blown fiber having a single filament denier of 0.005 to 2.0, wherein the fiber packing ratio is 5 to 70% and the water pressure resistance index is 400 to 2,000 mmH.sub.2 O. The nonwoven fabric is used for an oil-water separating filter having a permeability to oil and non-permeability to water. A composite fabric comprising a combination of the nonwoven fabric and an air-permeable knitted or woven fabric laminated and integrated with at least one surface of the nonwoven fabric is useful as an air permeable and water repellent fabric.

REFERENCES:
patent: 4042740 (1977-08-01), Krueger
patent: 4089783 (1978-05-01), Holyoak
patent: 4307143 (1981-12-01), Meitner
patent: 4469734 (1984-09-01), Minto et al.
patent: 4496508 (1985-01-01), Hartmann et al.
patent: 4536440 (1985-08-01), Berg
patent: 4587154 (1986-05-01), Hotchkiss et al.

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