Oligoamide-epichlorohydrin resins as drainage aids

摘要: A water-soluble drainage-aid composition which is the reaction product of a bifunctional crosslinking agent may be an epihalohydrin selected from group consisting epichlorohydrin or epibromohydrin, 1,3-dihalo-2-propanol in "halo" chloro- bromo-, glycidyl ester alkanesulfonic arenesulfonic acid, and oligoamide polyalkylene polyamine with carboxylic acid dicarboxylic acids containing between 5 10 carbons their acyl halides, amides, esters alcohols having up to 6 carbon atoms, tricarboxylic atoms mole ratio its functional derivative 1.5/1 2/1 3/1, being amine-terminated oligo(aminoamide) average at least two amide groups four amine per molecule, used level 1.5 2.5 moles oligoamide; method for making composition, using as dewatering aid paper manufacture.