Abstract
The Abundant production of Palm Fatty Acid Distillate (PFAD) can be utilized to make high value product, such as alkyd resins for coating materials. In this research, PFAD was reacted with glycerol and phthalic anhydride at various composition and temperature for 4-5 hours, employing one-step and two-step methods. The alkyd resin product was analyzed its acid value, iodine number, viscosity of 5% solution in xylene, and curing possibility with styrene monomer. The results showed that reaction temperature at 180° - 220°C influenced the acid value, but not significant for iodine number, and had no effect to molecular weight of alkyd resin product. Phthalic anhydride had more effect upon acid number than PFAD. Iodine number of the alkyd resin product was generally low, which indicated that this alkyd resin could not be used as drying oil. All alkyd resins produced either by one and two steps could only harden with 20% alkyd resin - 80% styrene using MEKP initiator. Viscosity of 5% alkyd resin solution in xylene was around 11-14 cp, independent of composition and reaction temperature.
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