Process for the production of paper

Details Process for the production of paper Process for the production of paper

C - Chemistry, Metallurgy

07

C

400/2018, 402/26

C07C 93/04 (1985.01) D21H 3/12 (1985.01)

Patent

CA 1215725

PROCESS FOR THE PRODUCTION OF PAPER Abstract of the Disclosure This invention relates to the production of paper wherein a drainage and retention aid is added to an aqueous suspension of cellulosic fibers for making paper sheets. The drainage and retention aid has a structure AB wherein the B portion of the structure is cross-linked by the A portion of the structure. The A portion is a residue resulting from the removal of chlorine atoms from a cross-linking compound prepared by reacting a polyoxyalkylene glycol compound with a halogenated oxide in the presence of a suitable catalyst. The B portion is the residue resulting from the removing of amino hydrogens from a polyamine compound prepared by reacting an initiator selected from the group consisting of alkylene glycols, polyalkylene glycols and water; a halogenated epoxide; and an amine.

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