Aqueous solutions of phenolic polymers from amino phenols...

C - Chemistry – Metallurgy – 09 – D

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C09D 5/08 (2006.01) C08F 8/30 (2006.01) C23C 22/83 (2006.01)

Patent

CA 2236299

A cationic final rinse metal treatment composition comprises a water soluble or water dispersible phenolic polymer which is the reaction product of: an amino phenol and either an anhydride-containing polymer or a di-epoxide, said polymer including a group imparting cationic functionality to the polymer.

Une composition de traitement de métal par rinçage final cationique comprend un polymère phénolique soluble ou dispersable dans l'eau, lequel est le produit de réaction d'un aminophénol et soit d'un polymère contenant un anhydride soit d'un di-époxyde, ledit polymère comprenant un groupe lui conférant une fonctionnalité cationique.

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