Abstract

An aqueous solution of diallylamine hydrochloride and 1,6-bis(N,N-diallylamino)hexane hydrochloride was absorbed into a macroporous polyacrylic acid resin bead and polymerized by γ-irradiation to give resin beads which were hard and strong, and which had a high density, low swelling and a thermally regenerable capacity of 0.81 meq/g. On a volume basin the resin had a capacity of 0.22 meq/ml which is equal to that of the precious best resin, but the latter is physically weaker. The allylamine monomers, when absorbed into the macroporous polyacrylic acid, did not polymerize with a chemical initiator.

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