Abstract
AbstractPalm fatty acid distillate (PFAD) is the by‐product obtained during physical refining of crude palm oil, which mainly consists of free fatty acids along with minor amounts of glycerides, bioactive compounds such as tocopherols, tocotrienols, phytosterols, squalene, other hydrocarbons. In the present work, an eco‐friendly alkyd resin was prepared using sustainable feedstock such as PFAD along with rosin. The various physico‐chemical properties of PFAD‐based alkyd resin (PFAD‐AR) such as acid value, saponification value, viscosity and volatile matter were determined and compared to palm oil based alkyd resin (PO‐AR). The structural properties of the alkyd resins were investigated using Fourier transform infrared (FTIR) and proton nuclear magnetic resonance (1H NMR) spectroscopic techniques. The study presents the utilization of PFAD‐based alkyd resin with sodium lauryl sulfate (SLS) and sodium lauryl ether sulfate (SLES) in the liquid detergent formulation. The performance properties of the PFAD‐based alkyd resin liquid detergent formulations such as surface tension, wetting power and detergency were comparable with palm oil based alkyd resin liquid detergent formulations and with commercial liquid detergent (CLD). Surface tensions of liquid detergent formulations varied from 20 to 30 mN/m with decrease in concentration. The foaming properties of alkyd resin based liquid detergents are reduced with the increase in the amount of alkyd resin polymer in the formulations. Therefore, it has potential application as a foam reducer in detergent for washing machines.
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