Silicon-containing chelating composition and method therefor

Details Silicon-containing chelating composition and method therefor Silicon-containing chelating composition and method therefor

1976-08-30

1978-01-31

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 710

Patent

active

040715469

ABSTRACT:
New organosiloxane chelating compositions comprising a siliceous support and an organosiloxane chelating agent bonded to its surface are disclosed. A new method for preparing the composition comprises contacting the siliceous support with a solution of an organosiloxane comprising units of the formula ##STR1## AND OPTIONALLY, UNITS OF THE FORMULA ##STR2## R is --CH.sub.2 COOH or --CH.sub.2 COO.sup.- M.sup.+ ; M.sup.+ is an alkali metal ion, m = 0 or 1, a = 0 or 1, b = 1 or 2, (m.multidot.a) + b is at least 2 and Z is a monovalent hydrocarbon radical having 1 to 6 inclusive carbon atoms.

REFERENCES:
patent: 3725302 (1973-04-01), Shimely et al.
patent: 3892678 (1975-07-01), Halasz et al.

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