Summary
The introduction of 10–15% of a synthetic hydroxy acids concentrate, calculated on the feedstock being oxidized, considerably improves the oxidation process parameters and enables asphalts having specific rheological properties to be obtained. The rate of feedstock oxidation is increased by a factor of 1.5–2.5, the breaking point of the asphalt products is reduced to −30 and even down to −40°C, the range of plasticity reaches 90–100°C and above (with a penetration of 60–130), the asphalts exhibit an excellent adhesion to both acidic and basic stony materials. The hydroxy acids concentrate may be used as a surface-active additive, which, when added to asphalt to the extent of 0.5–1%, considerably improves the adhesion of the asphalt to stony materials.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 12, pp. 29–32, December, 1966.
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Rudenskaya, I.M., Gubenko, I.B. Use of hydroxy acids from synthetic fatty acids still residue in asphalt production. Chem Technol Fuels Oils 2, 845–848 (1966). https://doi.org/10.1007/BF00731537
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DOI: https://doi.org/10.1007/BF00731537