US2002138920A1PendingUtilityA1

Process for printing textile material

15
Priority: Apr 2, 2001Filed: Apr 2, 2001Published: Oct 3, 2002
Est. expiryApr 2, 2021(expired)· nominal 20-yr term from priority
Inventors:Anthony Pepitone
D06P 1/0096D06P 1/44D06P 5/00D06P 5/15
15
PatentIndex Score
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Cited by
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Claims

Abstract

A process for printing a textile material which has been dyed with a dischargeable dye is provided. The process includes the steps of applying to a first selected portion of the textile material a discharge composition comprising a discharge agent in an amount sufficient to at least partially discharge the dye from the first selected portion of the textile material where the discharge composition is applied, applying to a second selected portion of the textile material a coloring composition comprising a pigment in an amount sufficient to color the dye in the second selected potion of the textile material where the coloring composition is applied, and heating the textile material to a drying temperature for a time sufficient to discharge the dye from the material and fix the pigment. A textile material having a multi-toned colored design or pattern is also provided by the process of the present invention.

Claims

exact text as granted — not AI-modified
I claim:  
     
         1 . A process for printing a textile material which has been dyed with a dischargeable dye, the textile material printing process comprising the steps of: 
 applying to a first selected portion of the textile material a discharge composition comprising a discharge agent in an amount sufficient to at least partially discharge the dye from the first selected portion of the textile material where the discharge composition is applied;    applying to a second selected portion of the textile material a coloring composition comprising a pigment in an amount sufficient to color the dye in the second selected portion of the textile material where the coloring composition is applied; and    heating the textile material to a drying temperature for a time sufficient to discharge the dye from the first selected portion of the material and fix the pigment.    
     
     
         2 . A process of printing a dyed textile material as recited in  claim 1 , wherein the discharge agent is ZFS.  
     
     
         3 . A process of printing a dyed textile material as recited in  claim 1 , wherein the concentration of discharge agent in the discharge composition is between about 0.4 and about 1.0 weight percent of the total weight of the discharge composition.  
     
     
         4 . A process of printing a dyed textile material as recited in  claim 1 , wherein the concentration of discharge agent in the discharge composition is between about 0.6 and about 0.8 weight percent of the total weight of the discharge composition.  
     
     
         5 . A process of printing a dyed textile material as recited in  claim 1 , wherein the coloring composition pigment is a black pigment.  
     
     
         6 . A process of printing a dyed textile material as recited in  claim 5 , wherein the concentration of black pigment in the coloring composition is between about 0.09 and about 0.3 weight percent of the total weight of the coloring composition.  
     
     
         7 . A process of printing a dyed textile material as recited in  claim 5 , wherein the concentration of black pigment in the coloring composition is between about 0.1 and about 0.2 weight percent of the total weight of the coloring composition.  
     
     
         8 . A process of printing a dyed textile material as recited in  claim 1 , wherein the concentration of pigment in the coloring composition is between about 0.5 and about 5.0 weight percent of the total weight of the coloring composition.  
     
     
         9 . A process for producing a multi-toned design or pattern on a textile material, the process comprising the steps of: 
 providing a textile material;    impregnating the material with a dye dischargeable to white;    applying to a first selected portion of the textile material corresponding to the design or pattern to be produced a discharge composition comprising a discharge agent in an amount sufficient to at least partially discharge the dye from the first selected portion of the textile material where the discharge composition is applied;    applying to a second selected portion of the textile material corresponding to the design or pattern to be produced a coloring composition comprising a pigment in an amount sufficient to color the dye in the second selected portion of the textile material where the coloring composition is applied; and    heating the material to a drying temperature for a time sufficient to discharge the dye from the first selected portion of the material and fix the pigment.    
     
     
         10 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the textile material comprises cellulose.  
     
     
         11 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the textile material comprises cotton fiber.  
     
     
         12 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the textile material comprises non-cellulosic fibers.  
     
     
         13 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the textile material comprises synthetic fibers.  
     
     
         14 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 13 , wherein the synthetic fibers are hydrophobic.  
     
     
         15 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the discharge agent is ZFS.  
     
     
         16 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the concentration of discharge agent in the discharge composition is between about 0.4 and about 1.0 weight percent of the total weight of the discharge composition.  
     
     
         17 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the concentration of discharge agent in the discharge composition is between about 0.6 and about 0.8 weight percent of the total weight of the discharge composition.  
     
     
         18 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the coloring composition pigment is a black pigment.  
     
     
         19 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 18 , wherein the concentration of black pigment in the coloring composition is between about 0.09 and about 0.3 weight percent of the total weight of the coloring composition.  
     
     
         20 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 18 , wherein the concentration of black pigment in the coloring composition is between about 0.1 and about 0.2 weight percent of the total weight of the coloring composition.  
     
     
         21 . A process for producing a colored design or pattern on a dyed textile material as recited in  claim 9 , wherein the concentration of pigment in the coloring composition is between about 0.5 and about 5.0 weight percent of the total weight of the coloring composition.  
     
     
         22 . A method for printing a multi-toned design or pattern on textile material which has been dyed with a dischargeable dye, the printing method comprising the steps of: 
 preparing at least two print screens, each print screen corresponding to a different portion of the design or pattern;    contacting a predetermined first screen with the textile material;    applying to the textile material through the screen a discharge composition comprising a discharge agent in an amount sufficient to at least partially discharge the dye from the area of the textile material where the discharge composition is applied;    separating the first screen from the fabric;    contacting a predetermined second screen with the textile material;    applying to the textile material through the second screen a coloring composition comprising a pigment in an amount sufficient to color the dye in the area of the textile material where the coloring composition is applied; and    heating the textile material to a drying temperature for a time sufficient to discharge the dye from the material where the discharge composition has been applied and fix the pigment.    
     
     
         23 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 22 , wherein the discharge agent is ZFS.  
     
     
         24 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 22 , wherein the concentration of discharge agent in the discharge composition is between about 0.4 and about 1.0 weight percent of the total weight of the discharge composition.  
     
     
         25 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 22 , wherein the concentration of discharge agent in the discharge composition is between about 0.6 and about 0.8 weight percent of the total weight of the discharge composition.  
     
     
         26 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 22 , wherein the coloring composition pigment is a black pigment.  
     
     
         27 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 26 , wherein the concentration of black pigment in the coloring composition is between about 0.09 and about 0.3 weight percent of the total weight of the coloring composition.  
     
     
         28 . A method for printing a multi-toned design or pattern on dyed textile material as recited in  claim 26 , wherein the concentration of black pigment in the coloring composition is between about 0.1 and about 0.2 weight percent of the total weight of the coloring composition.  
     
     
         29 . A process of printing a dyed textile material as recited in  claim 22 , wherein the concentration of pigment in the coloring composition is between about 0.5 and about 5.0 weight percent of the total weight of the coloring composition.  
     
     
         30 . A textile having a multi-toned design or pattern prepared by the process of  claim 1.

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