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Research on Biodegradable Properties of Environmental-Friendly Titanium Complex Grease

Author: HuangYaoZuo
Tutor: QuJianJun
School: Harbin Institute of Technology
Course: Mechanical Design and Theory
Keywords: Environmental-friendly grease biodegradable titanium complex tribological performance
CLC: TE626.4
Type: Master's thesis
Year: 2009
Downloads: 51
Quote: 0
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Abstract


With the development of economic, environmental protection has become more important. Because of the poor biodegradable properties, conventional lubricants are facing with serious challenges of environment. From the development trend, environmental-friendly lubricants which have good performance of biodegradable must replace the lubricants harmful to the environment. Research on environment-friendly lubricants has become one of the hot researches in the field of lubrication. Titanium complex grease is a new product has many outstanding advantages and broad prospects. There are many research projects in foreign countries. So far, there is not systematic research and production of titanium complex grease in China. Therefore preparation of a biodegradable titanium complex grease friendly to environmental is very important.This paper analyzes the reaction principle of titanium complex grease. Select the appropriate materials and equipment. Determine the formulation and process of titanium complex grease by repeated tests. Mix vegetable oil and mineral oil to prepare 14 kinds of titanium complex greases. Test the dynamic viscosity of base oil with different proportions. And discusses the effects of different viscosity of base oil on the formation of titanium complex grease. There is a best range of viscosity of base oil thickened by titanium soap from the tests. The Viscosity higher or lower than it are difficult to be prepared.Tested the physical, chemical properties and tribological performance of titanium complex greases prepared by mixed-base oil. And discusses the effects of different base oil on the physical, chemical properties and tribological performance of titanium complex grease. The properties of titanium complex greases relative to the viscosity of base oil, oxidation stability of base oil and soap-oil dispersed architecture of grease.Reference to common methods of Biodegradation at home and abroad. Improvement and establishment of two biodegradable lubricants evaluation methods to evaluate the biodegradable properties of titanium complex grease. A method, test the infrared spectroscopy. Another, test BOD, COD ,TOC to evaluate the biodegradable properties of lubricants. Use pure bacteria and mixed bacteria to degrade titanium complex grease. Analyzes and compare the two different strains of biodegradable grease tests. And compare the effects of different base oil on the biodegradable properties, physical, chemical properties and tribological perfor- mance of titanium complex grease. Find the best ratio of base oil mixed by 150BS mineral oil and epoxidized soybean oil is 1.2:1.

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CLC: > Industrial Technology > Oil and gas industry > Oil, natural gas processing industry > Petroleum refining > Petroleum products > Grease
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