Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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sulfonated oils

Oils rendered soluble in water by chemical treatment with sulfuric acid. Most sulfonated oils are actually soaps, but the fatty acid has a soluble sulfonic group combined with it, which tends to give it a limited water solubility even when the soap is decomposed by the addition of the acid. Sulfonated oils are used in FATLIQUORING leather, in the preparation of cotton fiber, as mordants for certain dyes. as finishing oils in silk, linen, and leather manufacture, and in paint and varnish making. (305 , 363 )

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