{TAIL ~ The polishing pad} 1, wherein the polishing layer comprises polyurethane obtained by reacting {HEAD ~ a polymer diol}, an organic diisocyanate, and a chain extender 
{ TAIL ~ The polishing pad } 1 , wherein the polishing layer comprises polyurethane obtained by reacting { HEAD ~ a polymer diol } , an organic diisocyanate , and a chain extender
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH