SIZING AGENTS FOR PAPER

摘要

SIZING AGENTS FOR PAPER Paper sizing agents in the form of aqueous preparations of on an average dibasic amides having been quaternized with epichlorohydrin of a) fatty acids having melting points above 30.degree.C and b) amines corresponding to the general formula H2N-R-(NH-R')n-NH2 wherein R and R' represent C2-C3 alkylene radicals and n has a value of from 1 to 6 and/or technical mixtures of these amines, which may contain as accompanying substances cyclic and/or branched amines having the same boiling range. Le A 19 124