Cationized PVA as a Sizing Component in Wet Chop Processing

Abstract

The catonized sizes poly vinyl alcohol and hydroxy celluloses are used in the manufacture of wet chop to improve product quality, cut cost and reduce the expenses incurred disposing of whitewater.

1 . A sizing composition for natural and synthetic polymer fibers comprising an aqueous solution of a cationized alcohol. 
     
     
         2 . A sizing composition according to  claim 1  which is a cationized polyvinyl alcohol having an average molecular weight of 13,000 to 100,000. 
     
     
         3 . A sizing composition according to  claim 2  wherein said cationized polyvinyl alcohol has an average molecular weight of 13,000 to 50,000. 
     
     
         4 . A sizing composition according to  claim 2  having a degree of hydrolysis of between 70 and 99%. 
     
     
         5 . A sizing composition according to  claim 4  having a degree of hydrolysis of between 72 and 89%. 
     
     
         6 . A sizing composition according to  claims 2  which is a borated polyvinyl alcohol. 
     
     
         5 . A sizing composition according to  claim 1  wherein the cationized alcohol is a cationized hydroxyl cellulose. 
     
     
         6 . A sizing composition according to  claim 1  which is a quaternized salt. 
     
     
         7 . A sizing composition according to  claim 1  which is applied in the manufacture of wet chop.