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