Amino alkylene phosphoric acid resins, their use and...

Details Amino alkylene phosphoric acid resins, their use and... Amino alkylene phosphoric acid resins, their use and...

C - Chemistry, Metallurgy

08

F

402/354, 362/41,

C08F 8/40 (2006.01) B01J 39/00 (2006.01) B01J 39/12 (2006.01) C08F 212/08 (2006.01)

Patent

CA 1061945

ABSTRACT OF THE DISCLOSURE Described is an ion exchange resin prepared from a cross-linked vinyl-aromatic polymer carrying recurring active units of the formula -CH2NHRPO(OH)2 wherein R is a lower alkylene radical. Such resins are useful in selec- tively removing metal ions from solutions, and may be pre- pared, e.g., by reaction of a primary amino-substituted cross-linked copolymer with a phosphorus trihalide and a simple (C1-C3) aldehyde.

232056

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