摘要 |
<p>This invention relates to stable aromatic amine compositions. These compositions comprise: a) a compound selected from the group consisting of aldehydes, ketones, acetals and ketals; and b) an aromatic amine. This invention also relates to a process for stabilizing the colour of aromatic amines, and to the use of these aromatic amines as initiators for the preparation of polyether polyols.</p> |