The composition comprises a plasticizer and a base polymer, where the base polymer comprises a carboxylic acid, where {HEAD ~ the composition} is soluble in {TAIL ~ an alkaline solution} 
The composition comprises a plasticizer and a base polymer , where the base polymer comprises a carboxylic acid , where { HEAD ~ the composition } is soluble in { TAIL ~ an alkaline solution }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL