A NOVEL WATER SOLUBLE SULFONATED MELAMINE FORMALDEHYDE IONIC CONDENSATE AND A PROCESS FOR THE PREPARATION THEREOF

摘要

The present invention relates to a novel water soluble sulfonated melamine formaldehyde ionic condensate exhibiting the free formaldehyde content in the range of 0.01-0.1%. A process for the preparation of the condensate is also provided whereby polymeric formaldehyde is used under alkaline condition. The product exhibits a storage life of around 6 months and is very effective for different industrial applications. The product finds potential application in leather processing industry as retanning agent.