Preparation of prepolymer for soft PU elastomer and its application

The preparation of prepolymer for soft PU elastomer and its application were investigated.The test results showed that the prepolymer and finished product of soft PU elastomer with the properties comparable to those of the imported ones were obtained by using complex polyadipate,80/20 toluene diisocyanate (TDI),trimethylol propane and special diluent.