Abstract
In connection with development of techniques and technologies and unification and substitution the most important task for Russia is to solve the problem of development and introduction of modern high-quality domestic greases. The most suitable in this respect is greases with the urea derivatives thickener — organic compounds containing in molecules one or more urea (urea, wreath) groups. In recent years, the production of these lubricants attracts increased attention of specialists, because they have unique exploitation characteristics: the combination of high-hydrolytic and chemical resistance, operability in a wide temperature range, thermo-strengthening lack, retention its properties at high speeds and specific loads, in contact with adverse environments, etc. We received greases based on poly urea with the addition of pigment. The synthesized pigments have different structure and belong to different classes of compounds. We conducted a search for the most optimal structures and concentrations of pigments which are included in the poly urea grease.
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