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US 6,607,562 B2Granted
Moisture wicking aramid fabric and method for making such fabric
AssigneeEI Consoltex Inc.
InventorsHamid M. Ghorashi, Daniel Routhier
Life of this patent
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Abstract
The present invention provides a durable to a wicking aramid fabric formed from crystallized aramid yarns or mixtures of aramid and other yarns for use in firefighter turnout gear and other protective apparel and a process for making this durable wicking fabric.
Claims8
A process for making a wicking fabric wherein the fabric contains more than 75% aramid crystallized yarns comprising the steps:
- (a) padding the fabric with a water solution containing from 10 to 800 grams per liter of polar solvent;
- (b) allowing the solution to remain in contact with the fabric at room temperature for a time sufficient to swell the fibers of the fabric, but not more than 36 hours;
- (c) padding the fabric with a solution of a wicking finish;
- and
- (d) drying the fabric at a temperature not more than 200° C. for a period of not more than 30 minutes.
2 more elements
A process for making a wicking fabric wherein the fabric contains aramid crystallized yarns and wherein the final concentration of solvent in the fabric after drying is less than 1% by weight comprising the steps:
- (a) padding the fabric with a water solution containing about 25 grams per liter of polar solvent at a pad pressure that results in a 10 to 50% by weight pick-up of solution by the fabric;
- (b) allowing the solution to remain in contact with the fabric at room temperature for about 16 hours;
- (c) padding the fabric with a solution of a wicking finish;
- and
- (d) drying the fabric at a temperature not more than 200° C. for a period of not more than 30 minutes.
2 more elements
Dependencies are inferred from the claim text.