Studies on the additive performance of liquid crystal blended polyacrylate in lubricating oil

Abstract

Homopolymer of decyl acrylate (D) was synthesised, characterised (Fourier transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance (NMR)) and evaluated for its additive performance as antiwear (AW), pour point depressant (PPD) and viscosity modifier (VM). Physical blends of the polymer were also made with three different types of liquid crystals (each containing three samples), evaluated and the results were compared. The study indicated that additive performances (AW, VM and PPD) of the blended composites were much better in comparison to the homopolymer of polydecyl acrylates.

Keywords:

• antiwear
• pour point depressant
• viscosity modifier
• multifunctional performance

Acknowledgement

One of us (MU) is thankful to DST, New Delhi, India, for financial support. We are very much thankful to IOCL and BPCL, India, for supplying the base oils.