| 摘要 |
The invention relates to a single-component polyurethane composition comprising at least one polyurethane prepolymer which is provided with terminal isocyanate groups and is made of at least one polyisocyanate and at least one polyol, and at least one catalyst system that is obtained from at least one bismuth compound and at least one aromatic nitrogen compound. The invention also relates to a use of said polyurethane composition as an adhesive, sealant, coating, or lining. Further disclosed are catalysts for polyurethane compositions, which represent coordination compounds between bismuth and at least one aromatic nitrogen compound. |
