Process for continuous production of a flocked and dyed cloth backing

Abstract

In this process of continuous manufacture of a flocked and dyed cloth backing (S) including stages of application ( 3 ) of a polymerizable resin (RP) layer to at least one surface of the cloth backing, projection ( 4 ) of white or unbleached flock fibers (FF) onto the resin layer, polymerization ( 5 ) of the resin to fix the flock fibers on the cloth backing, deposition ( 1 ) of at least one sublimable dye (E) to dye the flock fibers, and sublimation ( 6 ) of the deposited dye, the stage of deposition ( 1 ) of at least one sublimable dye (E) is carried out before the stage of projection ( 4 ) of the flock fibers, and the stage of sublimation ( 6 ) is carried out after the stage of polymerization ( 5 ) of the resin by a simple application of heat without application of pressure to the cloth backing (S).

1 . Process of continuous manufacture of a flocked and dyed cloth backing (S) comprising stages of application ( 3 ,  11 ,  21 ) of a polymerizable resin (RP) layer to at least one surface of the cloth backing, projection ( 4 ,  12 ,  23 ) of white or unbleached flock fibers (FF) onto said resin layer, polymerization ( 5 ,  13 ,  24 ) of the resin to fix the “flock” fibers on the cloth backing, deposition ( 1 ,  11 ,  22 ) of at least one sublimable dye (E) to dye the flock fibers, and sublimation ( 6 ,  14 ,  25 ) of the deposited dye, characterized in that the stage of deposition ( 1 ,  11 ,  22 ) of at least one sublimable dye (E) is carried out before the stage of projection ( 4 ,  12 ,  23 ) of the flock fibers, and the stage of sublimation ( 6 ,  14 ,  25 ) is carried out after the stage of polymerization ( 5 ,  13 ,  24 ) of the resin by a simple application of heat without application of pressure to the cloth backing.  
     
     
         2 . Process according to  claim 1 , wherein said at least one sublimable dye (E) is deposited on the cloth backing (S) before the stage of application ( 3 ) of the polymerizable resin (RP) layer.  
     
     
         3 . Process according to  claim 1 , wherein said at least one sublimable dye (E) is deposited on the polymerizable resin (RP) layer before the stages ( 23  and  24 ) of projection of the flock fibers and polymerization.  
     
     
         4 . Process according to  claim 2 , wherein said at least one sublimable dye (E) is deposited uniformly on said at least one surface of the cloth backing (S) or on said polymerizable resin (RP) layer.  
     
     
         5 . Process according to  claim 2 , wherein said at least one sublimable dye (E) is deposited in the form of patterns on said at least one surface of the cloth backing (S) or on said polymerizable resin (RP) layer.  
     
     
         6 . Process according to  claim 1 , wherein said at least one sublimable dye (E) is mixed with said polymerizable resin (RP), and the mixture layer obtained is applied (stage  11 ) to the cloth backing (S).  
     
     
         7 . Process according to  claim 1 , wherein the polymerizable resin (RP) layer is applied uniformly to said at least one surface of the cloth backing (S).  
     
     
         8 . Process according to  claim 1 , wherein the polymerizable resin (RP) layer is applied in the form of patterns to said at least one surface of the cloth backing (S).  
     
     
         9 . Process according to  claim 1 , wherein for the stage ( 4 ,  12 ,  23 ) of projection of the flock fibers (FF), polyester flock fibers with a fine titer, preferably of less than 1.5 Dtex, are used.  
     
     
         10 . Process according to  claim 9 , wherein polyester fibers with a titer in the range from 0.3 to 1 Dtex and with a length of between 0.2 and 0.5 mm are used.  
     
     
         11 . Process according to  claim 9 , wherein super microfibers of polyester with a titer of roughly 0.3 Dtex are used.  
     
     
         12 . Process according to  claim 1 , wherein as the polymerizable resin (RP), a 100% solid resin is used, with a high softening point, preferably a softening point above 170° C.  
     
     
         13 . Process according to  claim 12 , wherein a polyurethane resin is used as the polymerizable resin (RP).  
     
     
         14 . Process according to  claim 1 , wherein a resin with weak adhesive power is used as the polymerizable resin (RP).  
     
     
         15 . Process according to  claim 14 , wherein the polymerizable resin (RP) is an acrylic resin in a modified aqueous dispersion.  
     
     
         16 . Process according to  claim 3 , wherein said at least one sublimable dye (E) is deposited uniformly on said at least one surface of the cloth backing (S) or on said polymerizable resin (RP) layer.  
     
     
         17 . Process according to  claim 3 , wherein said at least one sublimable dye (E) is deposited in the form of patterns on said at least one surface of the cloth backing (S) or on said polymerizable resin (RP) layer.  
     
     
         18 . Process according to  claim 10 , wherein super microfibers of polyester with a titer of roughly 0.3 Dtex are used.