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of palm oil in the alkyd resin synthesis.

Utilization Soya Bean Fatty Acid for Synthesis of Alkyd Resin and Comparison of Properties with Other Vegetable Oils

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Utilization of Palm Oil in the Alkyd Resin Synthesis.

Abstract: The kinetic study of the synthesis of an auto-oxidative drying modified palm stearin based alkyd resin was based on the polyesterification reaction process. The polyesterification process of the alkyd synthesis was studied using regression analysis of viscosity as a function of time applying integral method. The pendant chain of the Palm Kernel Stearin (PKS) was modified by blending it with measured ratio of rubber seed oil (RSO), followed by dehydration of the oil blend with the aim of increasing the degree of unsaturation in the oil chain. The modified dehydrated palm kernel stearin oil blend with ratio of 80:20, 75:25,70:30 and 65:35 by wt./wt.% of PKS to RSO respectively labelled as Oil A, Oil B, Oil C and Oil D were used to synthesized Alkyd A, Alkyd B, Alkyd C and Alkyd D respectively using a two stage alcoholysis-poly-esterification method. The film properties of synthesized alkyds were determined as well as the drying schedule with the aim of getting optimum ratio of PKS to RSO which will yield auto- oxidative drying alkyds as regards to the total PKS content of the oil blend. Alkyd C gave the best result from the characterization and investigation study. The result of kinetic studies of the poly-esterification reaction of the synthesized alkyds shows that Alkyd A and B follows first order kinetics with rate constant of 0.0119/mins and 0.0136/mins whereas as Alkyd C and D follow second order kinetics with 0.0026 (Pa S)-1/min and 0.0026 (Pa S)-1/min , none follows third order kinetic.Keywords:Palm kernel stearin; auto-oxidative drying; alkyd resin; kinetic study; organic coating.
Title:Kinetic Model of The Polyesterification Reaction of The Investigative Study of The Optimum Unsaturated Fatty Acid Content For Auto- Oxidative Drying of Palm-Stearin-Based Alkyd Resin
Author:Onukwuli O. D, Mbonu O. F
International Journal of Novel Research in Engineering and Science
ISSN 2394-7349
Research Publish Journals

• By-product palm stearin was used as a useful alternative oil for alkyd resin synthesis

[2] Mukhtar, A., Habib, U and Mukhtar, H. Fatty acid composition of tobacco seed oil and synthesis of alkyd resin. Chinese Journal of Chemistry, 25, 2007, 705-708. [3] Huang, K., Casmir, C. and Erickson, M. C. Enzymatic modification of melon seed oil: incorporation of eicosapentaenoic acid. Journal of Agriculture and Food Chemistry. 42,1994, 2646-2648.

30/11/2016 · SpringerLink

Palm oil based alkyd resin was synthesized by an alcoholysis–polyesterification process over ..

Abstract: The kinetic study of the synthesis of an auto-oxidative drying modified palm stearin based alkyd resin was based on the polyesterification reaction process. The polyesterification process of the alkyd synthesis was studied using regression analysis of viscosity as a function of time applying integral method. The pendant chain of the Palm Kernel Stearin (PKS) was modified by blending it with measured ratio of rubber seed oil (RSO), followed by dehydration of the oil blend with the aim of increasing the degree of unsaturation in the oil chain. The modified dehydrated palm kernel stearin oil blend with ratio of 80:20, 75:25,70:30 and 65:35 by wt./wt.% of PKS to RSO respectively labelled as Oil A, Oil B, Oil C and Oil D were used to synthesized Alkyd A, Alkyd B, Alkyd C and Alkyd D respectively using a two stage alcoholysis-poly-esterification method. The film properties of synthesized alkyds were determined as well as the drying schedule with the aim of getting optimum ratio of PKS to RSO which will yield auto- oxidative drying alkyds as regards to the total PKS content of the oil blend. Alkyd C gave the best result from the characterization and investigation study. The result of kinetic studies of the poly-esterification reaction of the synthesized alkyds shows that Alkyd A and B follows first order kinetics with rate constant of 0.0119/mins and 0.0136/mins whereas as Alkyd C and D follow second order kinetics with 0.0026 (Pa S)-1/min and 0.0026 (Pa S)-1/min , none follows third order kinetic.

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