Reaction product of an epoxide and a polyalkylenepolyamine in be

Details Reaction product of an epoxide and a polyalkylenepolyamine in be Reaction product of an epoxide and a polyalkylenepolyamine in be

1978-06-28

1980-02-19

Schofer, Joseph L.

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

Synthetic resins

528121, 528132, 528407, 525417, 525504, 528 95, C08G 5902

Patent

active

041895398

ABSTRACT:
The reaction product of an epoxide and a polyalkylenepolyamine is prepared in bead form by dispersing a blend of the epoxide and polyalkylenepolyamine in a concentrated aqueous solution of an alkali metal hydroxide and then curing the dispersed blend. For example, dispersing a blend of triethylenetetramine and diglycidyl ether of bisphenol A in an agitated aqueous solution of 50 weight percent NaOH and curing the dispersed blend produces normally solid beads which are useful as a weak base ion exchange resin.

REFERENCES:
patent: 2469684 (1949-05-01), Dudley
patent: 2610156 (1952-09-01), Lundberg
patent: 2614085 (1952-10-01), Lundberg
patent: 3005786 (1961-10-01), Greer
patent: 4026831 (1977-05-01), Moriya et al.

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