Insoluble pigments and preparation thereof

Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...

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Details

106501, 106471, 106432, 106447, 106450, 106479, 210683, 252175, 252179, 252184, 423463, 423467, 423593, 423600, C09C 102, C09C 308

Patent

active

047690798

ABSTRACT:
A water-insoluble pigment comprising a complex of an inorganic water-insoluble anion exchange material and a water-soluble dye is disclosed. The anion exchange material may be represented by the general formula:

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Marino et al., "Thermal Stability of Magnesium, Aluminum Double Hydroxides Modified by Anionic Exchange," Thermochim. Acta 1982, p. 55(3), 377-383.
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Chemical Abstract 94:144763q "Advanced Treatment of Dye Waste Water by Adsorption".
Chemical Abstract 92:112623m "Application of Sodium Aluminum Silicates in Detergents, Part VIII, Dye Equilibriums in Multicomponent Systems".
Chemical Abstract 89:79636f "Treatment of Dye-Containing Waste Water with Magnesium Compound Adsorbents".
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Duwell et al., "The Preparation and Properties of Some Synthetic Inorganic Anion Exchangers," Journal of Physical Chemistry, 63, 2044-2047.

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