Polyurethane pad covering

Details Polyurethane pad covering Polyurethane pad covering

1996-10-25

1997-09-23

Raimund, Christopher

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Nonwoven fabric has an elastic quality

442394, 442400, B32B 1500

Patent

active

056697970

ABSTRACT:
A barrier fabric laminate for use as a coating for a gel filled article is provided. The barrier fabric laminate comprises a fluid impermeable film and a polyurethane nonwoven web which has a friction value of less than 200 g and a fabric hand of less than 200 g. The polyurethane web is formed of fibers of less than about 50 .mu.m on average and preferably is formed with a fluorochemical melt additive by sequentially melt blowing the polyurethane web on a heated collecting drum and laminated by a nip formed by a heated nip roller and the collecting drum.

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patent: 5025052 (1991-06-01), Crater et al.
patent: 5036551 (1991-08-01), Dailey et al.
Wente, Van A., "Superfine Thermoplastic Fibers", in Industrial Engineering Chemistry, vol. 48, pp. 1342 et seq. (Jan. 1965).
Report No. 4364, Naval Research Laboratories, publ. May 25, 1964, entitled "Manufacturing of Superfine Organic Fibers" by Van A. Wente et al.

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