Sulphonated, aromatic reaction products, processes for their...

Details Sulphonated, aromatic reaction products, processes for their... Sulphonated, aromatic reaction products, processes for their...

C - Chemistry, Metallurgy

14

C

8/66, 260/502.9

C14C 3/20 (2006.01) C08G 14/06 (2006.01) C08G 16/02 (2006.01)

Patent

CA 1092151

Abstract of the Disclosure The invention relates to sulphonated, aromatic reaction products as agents for tanning hides and leather. They are obtained by reacting a sulphonation product, which is pre- viously formed from a diphenyl ether, a phenol and a sulphona- ting agent, with formaldehyde, with a reaction mixture of an aminoplast-forming agent and formaldehyde or with an aminoplast precondensate.

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