Reduction of aldehydes in amines

Details Reduction of aldehydes in amines Reduction of aldehydes in amines

C - Chemistry, Metallurgy

08

G

C08G 18/18 (2006.01)

Patent

CA 2717573

A tertiary amine, such as a tertiary amine catalyst that is useful in the production of polyurethanes, may undergo decomposition, which may result in the production of undesirable products. These tertiary amines, however, may be treated with a primary amine containing material to reduce the presence of the undesirable products to an acceptable level. Thus, a foam made from a treated tertiary amine will also have a reduction in the presence of the same undesirable products.

Selon l'invention, une amine tertiaire, telle qu'un catalyseur du type amine tertiaire, qui est utile dans la production des polyuréthannes, peut être sujette à décomposition et engendrer la production de produits indésirables. Ces amines tertiaires peuvent, toutefois, être traitées avec un matériau contenant une amine primaire pour abaisser la présence des produits indésirables à un niveau acceptable. Par conséquent, une mousse fabriquée à partir d'une amine tertiaire traitée connaîtra elle aussi un abaissement de la présence de ces mêmes produits indésirables.

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