US2023313421A1PendingUtilityA1

Preparation of engineered fabrics with superior absorption properties

Assignee: WELSPUN INDIA LTDPriority: Mar 10, 2022Filed: Apr 21, 2022Published: Oct 5, 2023
Est. expiryMar 10, 2042(~15.6 yrs left)· nominal 20-yr term from priority
D02G 3/025D03D 15/217D03D 15/235D02G 3/406D03D 15/68D10B 2401/024D10B 2211/01D10B 2211/20D10B 2201/01D03D 15/47D03D 27/08D06P 1/0024D06P 1/0036D06P 3/829D06P 3/60D06P 1/6735D06P 1/67391D06M 11/38D06M 10/025D06M 11/50D06M 16/003D06M 2200/40D06Q 1/02D06C 23/00D06C 2700/00D06P 3/00D06P 3/045D06P 3/14D06P 3/40D06P 3/52D06P 3/82D06P 3/8204D06P 3/8209D06P 3/854D06P 5/00D06P 5/22
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Claims

Abstract

This disclosure relates generally to the preparation of eco-friendly engineered fabric, and more particularly to terry fabric and variations thereof. In one embodiment, a terry fabric is comprised of a soluble fiber blend, blended with cotton fibers, where the soluble fibers are dissolved in a caustic or enzyme solution to create highly porous yarns.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of creating a sustainable engineered fabric comprising:
 a. creating an engineered yarn with primary and soluble fibers;   b. dissolving the soluble fibers during yarn dyeing with a process involving a wetting agent, hydrogen peroxide, alkali and/ or enzyme or combination thereof, peroxide stabilizer, lubricant, core alkali neutralizer/buffer, a leveling agent and dye; and   c. weaving the engineered yarn into fabric.   
     
     
         2 . The method of  claim 1 , wherein the primary fibers comprise one or more of cotton, linen, hemp, kapok, nettle, bamboo, lyocell, viscose, polyester (sustainable or recycled), PLA, PBT, nylon, acrylic, etc., and suitable combinations thereof. 
     
     
         3 . The method of  claim 1 , wherein the soluble fibers comprise one or more of wool, or silk, or a combination thereof. 
     
     
         4 . The method of  claim 1 , wherein the primary fibers comprise cotton. 
     
     
         5 . The method of  claim 1 , wherein the soluble fibers comprise recycled wool, virgin wool, or a combination thereof. 
     
     
         6 . The method of  claim 1 , wherein the soluble fibers comprise recycled silk, virgin silk, or a combination thereof. 
     
     
         7 . The method of  claim 1 , wherein the primary fibers comprise cotton and the soluble fibers comprise virgin or recycled wool or combination thereof. 
     
     
         8 . The method of  claim 1 , wherein the primary fibers comprise cotton and the soluble fibers comprise virgin or recycled silk or combination thereof. 
     
     
         9 . The method of  claim 1 , wherein the primary fiber is cotton, and the soluble fiber is virgin wool or virgin silk or recycled wool or recycled silk or combination thereof. 
     
     
         10 . The method of  claim 1 , wherein the soluble fibers are dissolved during yarn dyeing process. 
     
     
         11 . The method of  claim 1 , wherein the wetting agent is an-ionic or non-ionic wetting agent. 
     
     
         12 . The method of  claim 1 , wherein the desizing agent is a group of enzymes. 
     
     
         13 . The method of  claim 1 , wherein the hydrogen peroxide stabilizer is anionic in nature. 
     
     
         14 . The method of  claim 1 , wherein the lubricant is cryptanionic in nature. 
     
     
         15 . The method of  claim 1 , wherein the core alkali neutralizer/buffer is anionic in nature. 
     
     
         16 . The method of  claim 1 , wherein the leveling agent is anionic in nature. 
     
     
         17 . A method of creating an engineered fabric comprising:
 a. creating a yarn with primary and soluble fibers wherein the soluble fibers are comprised of wool and/or silk fibers;   b. weaving the yarn into a fabric;   c. dissolving the soluble fibers using a process involving a wetting agent, desizing agent, hydrogen peroxide, alkali and/ or enzyme or combination thereof, peroxide stabilizer, lubricant, core alkali neutralizer/buffer, and a leveling agent; and 
. 
     
     
         18 . An engineered fabric as described in  claim 17 , wherein the primary fiber includes cotton, linen, hemp, kapok, nettle, bamboo, lyocell, viscose, polyester (sustainable or recycled), PLA, PBT, nylon, acrylic, etc., and suitable combinations thereof. 
     
     
         19 . An engineered fabric as claimed in  claim 17 , wherein the primary fiber is cotton, and the soluble fiber is virgin or recycled wool or combination thereof. 
     
     
         20 . An engineered fabric as claimed in  claim 17 , wherein the primary fiber is cotton, and the soluble fiber is virgin or recycled silk or combination thereof. 
     
     
         21 . An engineered fabric as claimed in  claim 17 , wherein the primary fiber is cotton, and the soluble fiber is virgin wool or virgin silk or recycled wool or recycled silk or combination thereof. 
     
     
         22 . An engineered fabric as claimed in  claim 17 , wherein the fabric may undergo plasma treatment. 
     
     
         23 . The method of  claim 17 , wherein the wetting agent is an-ionic or non-ionic wetting agent. 
     
     
         24 . The method of  claim 17 , wherein the desizing agent is a group of enzymes. 
     
     
         25 . The method of  claim 17 , wherein the hydrogen peroxide stabilizer is anionic in nature. 
     
     
         26 . The method of  claim 17 , wherein the lubricant is cryptanionic in nature. 
     
     
         27 . The method of  claim 17 , wherein the core alkali neutralizer/buffer is anionic in nature. 
     
     
         28 . The method of  claim 17 , wherein the leveling agent is anionic in nature. 
     
     
         29 . The method of  claim 17 , wherein after the soluble fibers are dissolved during yarn dyeing process.

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