Process for the preparation of anion exchangers by aminoalkylati

Details Process for the preparation of anion exchangers by aminoalkylati Process for the preparation of anion exchangers by aminoalkylati

1976-04-26

1978-03-07

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 41, 526 19, 526 49, C08F 830

Patent

active

040779181

ABSTRACT:
Anion-exchange resins made by aminoalkylating an alkylatable resin in solvent-swollen condition with bis-carboxyimidomethyl ethers in a reaction mixture containing essentially unhydrated SO.sub.3 that can be added in the form of a solution in H.sub.2 SO.sub.4 or other solvent or as a complex with the alkylating ether, or in undissolved condition. The acylaminoalkylated product thus formed is deacylated as by hydrolysis and can have the resulting amino group alkylated and even quaternized.

REFERENCES:
patent: 3791996 (1974-02-01), Wuchter
patent: 3882053 (1975-05-01), Corte et al.
patent: 3989650 (1976-11-01), Forge et al.

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