| 摘要 |
A polyurethane composition comprises a prepolymer, solvent, organo-metallic compound and chain extender. It comprises the prepolymer based on precursor as a product of interaction of 2,4(2,6)-toluene diisocyanate, organo-metallic compound as reactive organo-metallic modifier and polyether L-1000, and additionally a hemipolymer. |
