Oxidatively stable ion exchange resin condensation product of an

Details Oxidatively stable ion exchange resin condensation product of an Oxidatively stable ion exchange resin condensation product of an

1978-04-20

1980-01-15

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

525403, C08G 7302, C08G 230, B01D 1504

Patent

active

041840194

ABSTRACT:
An ion exchange resin composition which comprises the reaction product of an epihalohydrin with a polyamine is alkylated. The polyamine has a molecular weight of from about 60 to about 298. This invention also encompasses a process for preparing the ion exchange resin composition which comprises reacting from about two-thirds of a stoichiometric amount of epihalohydrin to one and one-half times the stoichiometric amount of epihalohydrin with defined polyamines and thereafter reacting the resultant polymer with an alkylating agent to yield the final product.

REFERENCES:
patent: 2898309 (1959-08-01), Greer
patent: 2898310 (1959-08-01), Greer
patent: 3661821 (1972-05-01), Caldo et al.
patent: 3725312 (1973-04-01), Panzer et al.
patent: 3784489 (1974-06-01), Dales et al.

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