AT L A S I N D U S T R I A L CHEMICALS D E P A R T M E N T Atlas Powder C o m p a n y Wilmington 99, Delaware
A t l a s Powder C o . , C a n a d a , Ltd. Brantford, C a n a d a
Clear emulsions reduce need for volatile solvents For flavors, colognes, vitamin preparations, medicinals and sim ilar products which require in corporation of water-insoluble materials, such as essential oils and fat-soluble vitamins, into aqueous solution, the use of Atlas surfactants rather than alcohol and other solvents presents sev eral advantages. Since no volatile solvent is needed,
preparation precautions are re duced. Variation of product from batch to batch is eliminated, since no solvent is lost during process ing or storage. Material costs are reduced by the use of water in stead of expensive solvents. The "solutions" prepared in this manner have excellent clarity, even when further diluted with water. The ratio of surface active agent to essential oil varies with the application, and ranges from 5 to 1 to approximately 10 to 1. Tween® emulsifiers are recom mended for many applications of this type, They may be used by themselves, or in combination with alcohol where astringency or other effects are desired.
Both the true solution (left) and d e a r emulsion (right) appear transparent to the unaided eye.
Atlas Publication lists drug and cosmetic formulas The "Guide to Cosmetic and Pharmaceutical Formulations" recently published by Atlas con tains extensive data on the use of sorbitol and Atlas surfactants in the preparation of drugs and cosmetics. I t s 92 illustrated pages include 86 formulas for preparations of many types, detailed technical information on Atlas products, and a bibliography of applicable literature. A copy will be sent to executives, research directors and purchasing agents of cosmetic and pharmaceutical firms who request it in writing on their company letterhead.
Have you met the Renex® detergent family?
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Renex non-ionic detergent concentrates give a broad range of detersive action. They are available in liquid and powder form, with either high or low sudsing action. You can choose from the following types: Renex iO: light amber liquid with low sudsing action; the most economical Renex product. 100% active; polyoxyethylene ester of mixed fatty and resin acids. Renex 25: light yellow, salt-free organic powder with low sudsing action. Based on polyoxyethylene ester of mixed fatty and resin acids. Renex 110: milky white liquid with high foaming action and wetting power, excellent acid and alkali stability. A polyoxyethylene ether alcohol, 100% active.
A t r u · solution gives no reflection of α strong beam of light directed through it.
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A clear emulsion, prepared w i t h Atlas surfactants, exhibits a characteristic Tyndall Cone effect, revealing that the preparation is a colloidal suspension and not a true solution.
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M A R C H
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Renex 35: pure white, salt-free organic powder. Based on polyoxyethylene ether alcohol. These Renex products add high detergency at low cost to a wide variety of household, dairy or commercial cleaning compounds. They have a wide range of compatibility with other ingredients of built detergents, such as acids, alkalis, alkaline builders and soaps. For samples and technical data, write to Atlas. 1161
