Composite chemical barrier fabric

Details Composite chemical barrier fabric Composite chemical barrier fabric

1988-09-19

1989-08-08

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2 2, 4283111, 4283115, 4283173, 4283197, 4283199, 4284758, 4284761, 428518, A62B 1700, A62D 500, B32B 2712

Patent

active

048551783

ABSTRACT:
A multilayer chemical barrier fabric is made up of a base sheet of nonwoven polypropylene laminated to a multilayer film sheet having a film of ethylene vinyl alcohol sandwiched between films of nylon with a surface film of linear low-density polyethylene. Fabrics having this structure show resistance to breakthrough within 8 hours for 13 of 15 chemicals listed on the ASTM F1001 chemical test battery and shorter breakthrough times for the other two.

REFERENCES:
patent: 4234647 (1980-11-01), Murphy et al.
patent: 4284674 (1981-08-01), Sheptals
patent: 4355721 (1982-10-01), Knott et al.
patent: 4501798 (1985-02-01), Koschak
patent: 4640852 (1987-02-01), Ossian
patent: 4746562 (1988-05-01), Fant
patent: 4753840 (1988-06-01), Gompel
patent: 4755419 (1988-07-01), Shah

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