The disclosure discloses a polymer represented by the general formula, ##STR00001## wherein R.sub.p is a residue of a polymer of a compound having a polymerizable unsaturated bond, Q is an organic residue of n+1 valences and connected directly or through another group to R.sub.p by means of a single bond, M.sup.k+ is a cation of k valence, Z is an organic function group capable of forming an ionic bond with cation M.sup.k+ or an organic function group having a coordination capability with M.sup.k+, and m, n and k are integers of one or more. The disclosure also discloses an intermediate of the polymer mentioned above.

 
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