Chelating polymers based on bis-epoxides and polyamines or polyi

Details Chelating polymers based on bis-epoxides and polyamines or polyi Chelating polymers based on bis-epoxides and polyamines or polyi

1974-10-03

1977-05-31

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2EN, 260 292N, 260 334R, C08G 6502, C08G 7304, C08J 302

Patent

active

040268314

ABSTRACT:
Polyaddition polymers comprising the reaction products of bis-epoxy compounds with poly-N-substituted polyamines or poly-N-substituted polyalkylene imines, wherein said poly-N-substituted polyamines and said polyalkylene imines contain at least two active hydrogens, and which polyamines and polyalkylene imines contain alkali metal salts or alkyl ester groups of carboxyalkyl groups or cyanoalkyl groups which are substituents on the nitrogen atoms of said polyamines of polyalkylene imines. The polymer is extremely useful for chelating and recovering heavy metal ions from industrial waste liquids and also effective as adhesives, resin for paint, electrostatic inhibitor for polymer, electro-conductive polymer, rust inhibitor ion-exchanging material and the like. The polymer may be obtained in the form of particles of a controlled particle size.

REFERENCES:
patent: 2296225 (1942-09-01), Ulrich
patent: 3256239 (1966-06-01), Williamson et al.
patent: 3347802 (1967-10-01), Ashby et al.
patent: 3758421 (1973-09-01), Nikles
patent: 3786113 (1974-01-01), Vassileff
patent: 3803237 (1974-04-01), Lednicer et al.
Japanese Patent Application No. 48/47993 (laid open) 1973.

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