The effect of polymers and surfactants on the pour point of palm oil methyl esters

Cheah Han Sern, Choo Yuen May, Zuriati Zakaria, Rusli Daik, Cheng Sit Foon

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The objective of this research was to find some additives suitable to reduce the pour point (PP) of palm oil methyl esters. The PP properties of palm oil methyl esters (biodiesel) were evaluated with commercially available polymeric and surfactant compounds with various polarities, molecular sizes and structures. The compounds under study were polyethylene glycol), poly(methyl methacrylate), poly(ethylene-co-vinyl acetate), poly(styrene-co-maleic anhydride), polyethylene glycol) distearate, poly- (octadecyl methacrylate), poly(1-decene), poly(maleic anhydride-alt-1-octadecene), caprylic acid sodium salt, W-lauroylsarcosine sodium salt, polyoxyethylene(2) cetyl ether and polyoxyethylene(10) cetyl ether. Seven out of the twelve polymeric compounds tested were miscible in palm oil methyl esters due to similar polarities of the solute and biodiesel. The blends of the resultant seven polymeric compounds in palm oil methyl esters were evaluated respectively for their effect on the PP property. Poly(maleic anhydride-alt-1-octadecene) was able to improve the PP of palm oil methyl esters from 12 to 6 °C when 2 wt-% was added. The cloud point was reduced from 12.9 to 8.1 °C, and the cold filter plugging point was reduced from 12 to 7 °C, whilst the flash point value remained unchanged at 156 °C when 2 wt-% of poly(maleic anhydride-alt-1-octadecene) was added to the palm oil methyl esters.

Original languageEnglish
Pages (from-to)440-444
Number of pages5
JournalEuropean Journal of Lipid Science and Technology
Volume109
Issue number4
DOIs
Publication statusPublished - 2007

Fingerprint

pour point
Palm oil
palm oils
Surface-Active Agents
surfactants
Esters
polymers
Polymers
Surface active agents
esters
Maleic Anhydrides
Maleic anhydride
polyethylene glycol
Polyethylene glycols
Biofuels
biodiesel
Biodiesel
Ether
Molecular polarity
ethers

Keywords

  • Cold-flow improver
  • Palm oil biodiesel
  • Palm oil methyl esters
  • Pour point
  • Pour point depressant

ASJC Scopus subject areas

  • Food Science
  • Chemistry (miscellaneous)

Cite this

The effect of polymers and surfactants on the pour point of palm oil methyl esters. / Sern, Cheah Han; May, Choo Yuen; Zakaria, Zuriati; Daik, Rusli; Foon, Cheng Sit.

In: European Journal of Lipid Science and Technology, Vol. 109, No. 4, 2007, p. 440-444.

Research output: Contribution to journalArticle

Sern, Cheah Han ; May, Choo Yuen ; Zakaria, Zuriati ; Daik, Rusli ; Foon, Cheng Sit. / The effect of polymers and surfactants on the pour point of palm oil methyl esters. In: European Journal of Lipid Science and Technology. 2007 ; Vol. 109, No. 4. pp. 440-444.
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