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