Sulfomethylated lignin amines

Compositions – Preservative agents – Anti-corrosion

Patent

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Details

252356, 252 8513, 106277, B01J 1300

Patent

active

048593621

ABSTRACT:
Surface active agents are prepared from by-products of papermaking. According to this method, lignin, modified lignin, and mixtures thereof are reacted with a polyamine to produce an amine condensate, and this amine condensate is reacted with a bisulfite and formaldehyde in aqueous solution to produce the novel surface active agents.

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