Polyvinyl alcohol is commonly used as {TAIL ~ an adhesive} and it has now been found that during the drying process, the polyvinyl alcohol will migrate to {HEAD ~ the interface} between the liner and gypsum core and improve the bonding of the liner to the dried gypsum core to the extent that starch is not needed 
Polyvinyl alcohol is commonly used as { TAIL ~ an adhesive } and it has now been found that during the drying process , the polyvinyl alcohol will migrate to { HEAD ~ the interface } between the liner and gypsum core and improve the bonding of the liner to the dried gypsum core to the extent that starch is not needed
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