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US 12,722,028 B2Granted
Water resistant protective garment
AssigneeElevate Textiles, Inc.
InventorsJacques A Cantin, Guy Connors Lucas, Kiarash Arangdad
Life of this patent
Estimating the term…
Abstract
Protective garments are disclosed having a fabric material treated with a durable water resistant treatment. In accordance with the present disclosure, the durable water resistant treatment is substantially free of fluorocarbon chemicals and yet provides not only excellent water resistance, but also has excellent durability properties.
Claims17
A fabric for constructing protective garments comprising:
- a fabric material comprised of yarns, the yarns comprising only spun yarns or a combination of spun yarns and filament yarns, the yarns comprising inherently flame resistant fibers, the inherently flame resistant fibers comprising meta-aramid fibers, para-aramid fibers, polybenzimidazole fibers, poly(p-phenylene-2,6-benzobisoxazole) fibers, or mixtures thereof, the fabric material containing inherently flame resistant fibers in an amount greater than about 60% by weight, the fabric material being treated with a durable water resistant treatment, the durable water resistant treatment being substantially free of fluorocarbon chemicals, the durable water resistant treatment comprising a polyurethane polymer, an acrylic polymer, a blocked isocyanate, optionally a softener, and a paraffin, wherein the polyurethane polymer comprises an aliphatic polyester/ether polyurethane polymer, and wherein the durable water resistant treatment comprises about 10% to about 50% by weight of the polyurethane polymer and about 10% to about 70% by weight of a combination of the acrylic polymer and the paraffin, the fabric material having a basis weight of from about 4 osy to about 8 osy, and wherein after being laundered ten times, the fabric material displays a water absorption of less than 10% when tested according to NFPA-1971 and displays a spray rating of greater than 70 when tested according to AATCC 22-2020.
Dependencies are inferred from the claim text.