Ion-exchanging aluminum silicate with hydrophilic surfaces

Compositions – Water-softening or purifying or scale-inhibiting agents – Water-insoluble base-exchange agent containing

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Details

210 38A, 210 41, 252 89R, 252131, 252135, 252140, 252145, C01B 3328, C02B 116, C02B 144, C11D 729

Patent

active

040409724

ABSTRACT:
There are provided alkali aluminum silicates having a hydrophilic surface. They are prepared by mixing a crystalline, ion-exchanging alkali aluminum silicate with a hydrophilic material, preferably ortho-phosphoric acid or an alkali ortho phosphate.

REFERENCES:
patent: 3692684 (1972-09-01), Hentschel
patent: 3962132 (1976-06-01), Haschke

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