发明名称 COLOUR STABLE AROMATIC AMINES AND THE PRODUCTION OF LIGHT-COLOURED AROMATIC AMINE-BASED POLYETHER POLYOLS
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>
申请公布号 WO1998032793(A1) 申请公布日期 1998.07.30
申请号 US1998000277 申请日期 1998.01.13
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