| 摘要 |
The present invention relates to a method for preparing a polyurethane foam, which comprises reacting an organic polyisocyanate and a polyol in the presence of water as a blowing agent, a cell stabilizer, and an acid-blocked tertiary amino alkyl amide catalyst composition. The catalyst composition is represented by the formula I: wherein R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, A, and n are as defined herein and wherein the tertiary amino alkyl amide catalyst of formula I is acid-blocked.
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