Sifat terma dan kerintangan api poliuretana berasaskan minyak isirung sawit dan minyak kacang soya

Translated title of the contribution: Thermal and fire resistant properties of palm kernel oil and soybean oil-based polyurethanes

Wong Chee Sien, Khairiah Badri

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Thermal and burning properties of palm kernel oil and soybean oil-based polyurethanes were compared. Monoester with hydroxyl end group was prepared by reacting the palm kernel oil (PKO) and the soybean oil (SBO) with polyhydric compound consisting of diethanoiaminelethylene glycol and potassium acetate as the catalyst. The esterification and condensation reactions were conducted with the ratio of the vegetable oils to the polyhydric compound of 80:20. The monoester was then reacted with 2, 4-diphenylmethane diisocyanate to produce the polyurethane via addition polymerization. The thermal properties were compared through differential scanning calorimetry (DSC) analysis, thermogravimetry (TGA) analysis, bomb calorimetry, dimensional stability test and fire retarding test. SBO-based polyurethane foam had lower entalphy then the PKO-based polyurethane foam with values of 7151 cal.g-1 comapred to 7223 cal.g-1. Similarly, the TGA analysis indicated that the percentage of weight loss of the former was also lower (91.0%) then the latter (923%) with stable temperatures, Tstable at 196°C and 198°C, respectively. The burning rate of the SBO-based polyurethane foam was 0.6-1.2 mm.s-1, lower then the PKO-based polyurethane foam which was 1.1-1.6 mm.s-1. However, the dimensional stability test showed that the shrinkage and expansion values were lesser for the SBO-based polyurethane foam compared to the PKO-based polyurethane.

Original languageUndefined/Unknown
Pages (from-to)775-784
Number of pages10
JournalSains Malaysiana
Volume39
Issue number5
Publication statusPublished - Oct 2010

Fingerprint

Soybean oil
Palm oil
Polyurethanes
Fires
Foams
Dimensional stability
Thermogravimetric analysis
Condensation reactions
Hot Temperature
Vegetable oils
Esterification
Calorimetry
Glycols
Potassium
Differential scanning calorimetry
Thermodynamic properties
Polymerization
Catalysts

Keywords

  • Entalphy
  • Palm kernel oil
  • Polyurethane
  • Soybean oil

ASJC Scopus subject areas

  • General

Cite this

Sifat terma dan kerintangan api poliuretana berasaskan minyak isirung sawit dan minyak kacang soya. / Sien, Wong Chee; Badri, Khairiah.

In: Sains Malaysiana, Vol. 39, No. 5, 10.2010, p. 775-784.

Research output: Contribution to journalArticle

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