Addition Of Zinc Diamyldithiocarbamate (ZDDC) In Canola Oil As Physical Properties Improver For Lubricant Substitution

Zakaria, Muhamad Zubaidi (2015) Addition Of Zinc Diamyldithiocarbamate (ZDDC) In Canola Oil As Physical Properties Improver For Lubricant Substitution. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this study is to prepare an alternative substitution to existing lubricants with the addition of Zinc Diamyldithiocarbamate (ZDDC) as anti-friction, friction modifier agent and anti-wear. Being non-renewable ad non-biodegradable, other alternative for mineral oil as lubricant needs to be studied. Vegetable oils are considered suitable due to the superior characteristics of the oil compared to mineral oil. Lacking in oxidation stability, additional additive needs to be blended with the vegetable oil to enhance the oil performance. Canola oil was used as vegetable oil for base oil which was directly introduced with ZDDC and blended in a water bath of 50°C for 20 minutes. The canola oil was added with 0wt%, 1wt%, 2wt%, 3wt% and 4wt% of ZDDC. The newly developed oil was tested using American Society for Testing and Materials (ASTM) methods as well as characterized using four-ball test and upright laser microscope to determine the metal content, kinematic viscosity, coefficient of friction (COF), and wear scar diameters (WSD). It was found that from the tests and characterizations, 2 wt% composition of ZDDC inside canola oil gives the best results. For the kinematic viscosity, 2 wt% gives the lowest kinematic viscosity result of 36.73cSt. The COF obtained from the 2 wt% was 0.08278μ which was the lowest amongst the other results. Furthermore, the WSD obtained was the lowest which was 65.20 μm. From the results, 2 wt% ZDDC is proved to be the desirable concentration of additive to be added into canola oil. To conclude, the objective in preparing newly developed lubricant oil has been achieved which resulted in the formation of the new lubricant with 2 wt% composition of ZDDC additive inside canola base parent oil. The tests results indicated the stated composition is the critical value of ZDDC concentration in producing the best oil lubricant.

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