Process for improving the wettability of natural or synthetic ze

Details Process for improving the wettability of natural or synthetic ze Process for improving the wettability of natural or synthetic ze

1974-10-30

1976-06-08

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455Z, 252179, B01J 3104, B01J 2906, C02B 506

Patent

active

039621324

ABSTRACT:
Process for improving the water wettability of natural or synthetic zeolites, said process comprising thoroughly mixing at least one natural zeolite, synthetic zeolite or mixture of natural and synthetic zeolites with an aqueous solution of a treating agent selected from the group consisting of at least one polyelectrolytic polycarboxylic acid, at least one completely or partially neutralized polycarboxylate, or at least one mixture of said polycarboxylic acid and polycarboxylates; wherein said treating agent has at least about 40 basic mole percent carboxyl or carboxylate groups and a mean degree of polymerization (numerical mean) between about 3 and about 5000; said mixing conducted at about 0.degree. to about 100.degree.C for at least about 5 minutes; said aqueous solution employed in a concentration between about 2 and about 800 g polycarboxylic acid or polycarboxylate per liter and in such quantity that it comprises about 0.01 to about 10 parts by weight, related to one part by weight of zeolite, of the polycarboxylic acid or polycarboxylate.

REFERENCES:
patent: 2213641 (1940-09-01), Tainton
patent: 3852211 (1974-12-01), Ohren
patent: 3868336 (1975-02-01), Mazzola et al.

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