Patent ID: 6168863
Filing Date: 2001-01-02
Classification: B01D,B01J,D06M,Y10T

Abstract:
A metal chelate-forming fiber which has, covalantly bonded to a fiber molecule, an acyl group represented by the following general formula [1] or [2]: ##STR14## wherein X represents a residue in which one carboxyl group is eliminated from monocarboxylic acid or dicarboxylic acid; V represents hydrogen or a carboxyl group; Z represents hydrogen or has the same meaning as that of M, with the proviso that Z and M are the same or different M represents hydrogen; or ##STR15## wherein R.sup.1 represents a residue in which one hydrogen is eliminated from a carbon chain in an alkylene group; R.sup.2 represents a direct bond or an alkylene group; Y.sup.1 and Y.sup.2 are the same or different and each represents hydrogen, a carboxyl group, an amino group, a hydroxy group or a thiol group; n is an integer of 1 to 4; M' represents hydrogen or ##STR16## wherein R.sup.3 represents a residue in which one hydrogen is eliminated from a carbon chain in an alkylene group; R.sup.4 represents a direct bond or an alkylene group; Y.sup.3 and Y.sup.4 are the same or different and each represents hydrogen, a carboxyl group, an amino group, a hydroxy group or a thiol group; ##STR17## wherein V, X, Z and M' are as defined above.