Stabilizers of Natural Rubber Latex from Palm Oil

Authors

  • ดริญญา มูลชัย Rubber and Polymer Technology Programme, Faculty of Engineering and Agro-Industry, Maejo University
  • อรุณศรี เอี่ยมรัมย์ Rubber and Polymer Technology Programme, Faculty of Engineering and Agro-Industry, Maejo University
  • ลักขณา ภัทชวงค์ Rubber and Polymer Technology Programme, Faculty of Engineering and Agro-Industry, Maejo University
  • อนุวัฒน์ คงราม Rubber and Polymer Technology Programme, Faculty of Engineering and Agro-Industry, Maejo University
  • อัครสิริ แก้วศรีนวล Rubber and Polymer Technology Programme, Faculty of Engineering and Agro-Industry, Maejo University

Keywords:

natural rubber latex, stabilizer, palm oil, potassium oleate, mechanical stability time

Abstract

In this research, palm kernel oil soap and commercial palm oil soap were used as stabilizers for natural rubber latex.  Palm oil soaps were prepared by sponification reaction. Ingredients of sponification reaction were palm oil, potassium hydroxide and water. Mechanical stability time (MST) of palm oil soap-stabilized natural rubber latex was compared with potassium oleate soap-stabilized natural rubber latex. The contents of stabilizers were varied at 0.10, 0.25 and 0.40 phr. It was found that 0.40 phr of stabilizers gave the highest MST. Potassium oleate soap showed the highest MST (> 3,600 seconds) followed by palm kernel oil soap (3,110 seconds) and commercial palm oil soap (2,190 seconds), respectively. Natural rubber product (Balloon) was also prepared by dip-molding process. The thickness of dip-molding product decreased with an increase of stabilizer concentration. The 0.40 phr of oleate soap-stabilized natural rubber latex gave the product having thickness comparable with the commercial product

References

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Published

2019-12-26

How to Cite

มูลชัย ด., เอี่ยมรัมย์ อ., ภัทชวงค์ ล., คงราม อ., & แก้วศรีนวล อ. (2019). Stabilizers of Natural Rubber Latex from Palm Oil. RMUTL Engineering Journal, 4(2), 30–35. Retrieved from https://ph01.tci-thaijo.org/index.php/RMUTLEngJ/article/view/231814

Issue

Vol. 4 No. 2 (2019): July - December

Section

Research Article