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