Method for preparing cellulose-polyvinyl alcohol fabric with improved surface characteristics, cellulose-polyvinyl alcohol fabric with improved surface characteristics prepared thereby, and fabric for wound healing comprising same

Abstract

Disposed are a method for preparing cellulose-polyvinyl alcohol fabric with improved surface characteristics, cellulose-polyvinyl alcohol fabric with improved surface characteristics prepared thereby, and fabric for wound healing comprising same. The method for preparing cellulose-polyvinyl alcohol fabric with improved surface characteristics comprises, after preparing a composite including a cellulose-based polymer and a polyvinyl alcohol-based polymer, exposing the composite to an alkali solution. The cellulose-polyvinyl alcohol fabric with improved surface characteristics is prepared using the method for preparing cellulose-polyvinyl alcohol fabric with improved surface characteristics. The fabric for wound healing includes the cellulose-polyvinyl alcohol fabric with improved surface characteristics.

1 . A method for preparing a cellulose-polyvinyl alcohol fabric with improved surface properties, the method comprising:
 preparing a composite including a cellulose-based polymer and a polyvinyl alcohol-based polymer; and   then exposing the composite to an alkali solution.   
     
     
         2 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein through the exposure of the composite to the alkali solution, the cellulose-based polymer included in the composite is mercerized, and the polyvinyl alcohol-based polymer included in the composite is saponified. 
     
     
         3 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein the composite is formed by coating the polyvinyl alcohol-based polymer on a surface of a structure including the cellulose-based polymer. 
     
     
         4 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 3 , wherein the coating of the polyvinyl ester polymer the structure including the cellulose-based polymer includes impregnating the structure including the cellulose-based polymer with a solution containing the polyvinyl alcohol-based polymer. 
     
     
         5 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 4 , wherein the cellulose-based polymer includes at least one of cotton, flax, linen, ramie, hemp, jute, kapok, sisal, manila, coir, or lyocell. 
     
     
         6 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 5 , wherein a planar density of the structure including the cellulose-based polymer is in a range of 1 to 500 g/m 2 . 
     
     
         7 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein the polyvinyl alcohol-based polymer includes at least one of polyvinyl acetate, polyvinyl pivalate, polyvinyl butyrate, polyvinyl trifluoroacetate, polyvinyl trichloroacetate, or polyvinyl propionate, or copolymers thereof. 
     
     
         8 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein the alkali solution includes at least one of sodium chloride, sodium sulfate, or methanol. 
     
     
         9 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 8 , wherein the alkali solution contains distilled water and sodium chloride, wherein the sodium chloride is contained in a range of 50 to 500 g per 1 L of the distilled water. 
     
     
         10 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein the alkali solution further contains at least one of a dispersant or a swelling agent. 
     
     
         11 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 10 , wherein the dispersant includes at least one of sodium sulfate, sodium sulfite, calcium sulfate, or magnesium sulfate. 
     
     
         12 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 10 , wherein the swelling agent includes at least one of methanol, ethanol, propanol, ethylene glycol, propylene glycol, tetrahydrofuran (THF), dimethyl sulfoxide (DMSO), benzene, or acetone. 
     
     
         13 . The method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 1 , wherein the fabric prepared using the method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties has nano-sized curves on a surface thereof. 
     
     
         14 . A cellulose-polyvinyl alcohol fabric with improved surface properties prepared using the method for preparing the cellulose-polyvinyl alcohol fabric with improved surface properties according to  claim 1 , wherein the cellulose-polyvinyl alcohol fabric with improved surface properties has a degree of saponification of 60 to 99.9%. 
     
     
         15 . The cellulose-polyvinyl alcohol fabric with improved surface properties of  claim 14 , wherein the cellulose-polyvinyl alcohol fabric with improved surface properties has nano-sized curves on a surface thereof. 
     
     
         16 . A wound healing fabric including the cellulose-polyvinyl alcohol fabric with improved surface properties according to  claim 14 , wherein when a skin wound is closed with the fabric, a wound healing effect is improved.