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Free alkalies and acids in soft greases

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Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    An extreme type of dependence of the thickening action of the Li soap of 12 -hydroxystearic acid on the content of excess free alkali or acid in the soap-oil system has been established. The maximum in strength, or viscosity and the minimum in ability of oil to be pressed out, etc., corresponds to a neutral reaction of the system.

  2. 2.

    The change in morphological features of the soap fibers which form the structural framework of the systems studied agrees with the change in their rheological and other characteristics.

  3. 3.

    The effect of free alkali is intimately connected with the presence or absence of hydroxyl groups in the soap molecules (soap micelle). Qualitatively the action of OH groups is displayed regardless of whether they enter into the make-up of the soap molecule anion, are included in the form of hydration water, or are bound in the soap micelle as excess free MeOH.

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Literature cited

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Authors and Affiliations

  1. All-Union Scientific-Research Institute of Petrochemical Acid Production, USSR

    V. V. Sinitsyn, L. P. Ishchuk & Yu. L. Ishchuk

Authors
  1. V. V. Sinitsyn
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  2. L. P. Ishchuk
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  3. Yu. L. Ishchuk
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Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 9, pp. 23–26, September, 1972.

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Sinitsyn, V.V., Ishchuk, L.P. & Ishchuk, Y.L. Free alkalies and acids in soft greases. Chem Technol Fuels Oils 8, 672–675 (1972). https://doi.org/10.1007/BF00717968

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