Colour stable aromatic amines and the production of...

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C - Chemistry, Metallurgy

08

K

C08K 5/07 (2006.01) C08G 65/26 (2006.01) C08K 5/18 (2006.01)

Patent

CA 2277752

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.

Cette invention se rapporte à des compositions d'amines aromatiques stables. Ces compositions comprennent: (a) un composé choisi dans le groupe constitué par des aldéhydes, des cétones, des acétals et des cétals et (b) une amine aromatique. Cette invention se rapporte également à un procédé pour stabiliser la couleur des amines aromatiques et à l'utilisation de ces amines aromatiques comme initiateurs dans la préparation de polyols de polyéther.

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