Woodpulp-polyester spunlaced fabrics

Details Woodpulp-polyester spunlaced fabrics Woodpulp-polyester spunlaced fabrics

1982-11-04

1984-04-10

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

28104, 28105, 428220, 428227, 428288, 428326, 428340, D04N 146

Patent

active

044421613

ABSTRACT:
Improved liquid-barrier properties are provided to spunlaced fabrics of woodpulp and synthetic organic fibers by employing closely spaced jets in a hydraulic entanglement treatment of the fibers. Additional improvement in barrier properties is provided by a finishing step which employs multiple passes under low pressure, closely spaced jets.

REFERENCES:
patent: 3403862 (1968-10-01), Dworjanyn
patent: 3493462 (1970-02-01), Bunting et al.
patent: 3508308 (1970-04-01), Bunting et al.
patent: 3560326 (1971-02-01), Bunting et al.
patent: 3620903 (1971-11-01), Bunting et al.
patent: 4069563 (1978-01-01), Contractor et al.
Research Disclosure, 17060 (Jun. 1978), p. 50, "Composite of Synthetic-Fiber Web and Paper," E. I. du Pont de Nemours & Co.

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