Specific Features of Greases Based on Poly-α-olefin Oils with Ureate Thickeners of Various Structures


Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

Greases based on poly-α-olefin oils of various viscosities, thickened with diureas of various structures, were studied systematically. The influence of the base oil viscosity and/or thickener structure on the physicochemical properties of lubricants was demonstrated. Diurea thickeners differing in the length of the hydrocarbon substituent influence the properties of lubricants prepared with base oils of similar chemical nature but different viscosity in different fashion. The revealed trends were confirmed by rheological studies in a wide range of shear rates. Tribological measurements at loads in the interval 20–80 kgf demonstrated significant dependence of the antiwear properties of ureate lubricants based on low-viscosity poly-α-olefin oils on the thickener structure. This dependence becomes less pronounced in going to higher-molecular-mass oils.

Авторлар туралы

A. Lyadov

Topchiev Institute of Petrochemical Synthesis

Хат алмасуға жауапты Автор.
Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

Yu. Maksimova

Topchiev Institute of Petrochemical Synthesis

Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

S. Ilyin

Topchiev Institute of Petrochemical Synthesis

Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

S. Gorbacheva

Topchiev Institute of Petrochemical Synthesis

Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

O. Parenago

Topchiev Institute of Petrochemical Synthesis

Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

S. Antonov

Topchiev Institute of Petrochemical Synthesis

Email: lyadov@ips.ac.ru
Ресей, Moscow, 119991

Қосымша файлдар

Қосымша файлдар
Әрекет
1. JATS XML

© Pleiades Publishing, Ltd., 2018