Verfahren zur Herstellung von Anionen-Austauschharzen

摘要

1,234,678. Epichlorohydrin - ammonia oligomers. NAUCHNO - ISSLEDOVATELSKY INSTITUT PLASTIECHES-KIKH MASS. 17 March, 1969, No. 13827/69. Heading C2C. [Also in Division C3] A clear water-soluble oligomer having the formula wherein m and n are integers having probable values ranging from 1 to 3 and 4 to 7, respectively, is prepared by reacting one mole of epichlorohydrin with from 0.25 to 0.5 mole of aqueous ammonia.