Compositions – Electrolytes for electrical devices
Patent
1980-02-14
1981-04-28
Pitlick, Harris A.
Compositions
Electrolytes for electrical devices
252 95, 252104, 252131, 252140, 252154, 252155, 252164, 25217412, 25217421, 25217425, C11D 312
Patent
active
042644666
ABSTRACT:
Liquid mulls having improved physical stability, consisting of a liquid phase and a dispersed solid phase. The liquid phase contains a major proportion of a nonionic surfactant and optionally contains a minor proportion of a nonaqueous solvent. The dispersed solid phase is a particulate material which is insoluble in the liquid phase of the mull. The inclusion of chain structure type clays in the composition unexpectedly aids the physical stability of the mull, so insoluble particulate materials such as builders having ordinary particle sizes may be incorporated in the compositions. Preferred compositions are substantially anhydrous to allow the optional inclusion of water sensitive detergency adjuvants, such as enzymes or bleaches, in the compositions. The compositions may optionally contain 0% to 25% of a further dispersion aid selected from anionic surfactants, cationic surfactants, zwitterionic surfactants and hydrotropic materials. Such mulls have utility, for example, as detergent compositions.
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Grim, Clay Mineralogy, 2nd Ed., McGraw-Hill Book Co., New York, 1968, pp. 32, 113-121, 154, 183, 582; FIGS. 6-10 and 6-11.
Velde, Clay and Clay Minerals in Natural and Synthetic Systems, Elsevier Scientific Publishing Co., Amsterdam, 1977, p. 11.
Carleton Karen L.
Rowland John P.
Hemingway Ronald L.
Pitlick Harris A.
The Procter & Gamble & Company
Witte Richard C.
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