An electrophotographic developer roller is made by casting urethane prepolymer mixed with {HEAD ~ a polybutadiene}, a trifunctional curative, ferric chloride powder, and {TAIL ~ an antioxidant} 
An electrophotographic developer roller is made by casting urethane prepolymer mixed with { HEAD ~ a polybutadiene } , a trifunctional curative , ferric chloride powder , and { TAIL ~ an antioxidant }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL