NDLI: Molecular Weight Determination of Palm Olein Polyols by Gel Permeation Chromatography Using Polyether Polyols Calibration

Content Provider	Springer Nature Link
Author	Mohd or, Mohd Azmil Sendijarevic, Vahid Hoong, Seng Soi Sendijarevic, Ibrahim Tuan Ismail, Tuan or Maznee Hanzah, Nurul ‘Ain Mohd or, rhayati Poo Palam, Kosheela Devi Ghazali, Razmah Abu Hassan, Hazimah
Copyright Year	2016
Abstract	Natural oil polyols have been intensively developed and successfully used for the production of various polymers, notably polyurethanes. The need to access the average molecular weight (MW) and the MW distribution (MWD) has led to the efforts to have a precise and reliable determination method. A series of commercial polyether polyols, with well-defined MW, was used as a gel permeation chromatography (GPC) calibration standard to determine the MW of palm olein polyols. This GPC analysis was compared to the one calibrated against the commercially available polystyrene (PS) standards and to the number-average molecular weight (M $_{ n }$) obtained via vapor pressure osmometry (VPO) technique. For example, the M $_{ n }$ obtained for palm olein polyol E-135 calibrated against polyether polyols was 2,537 Da, which was closer to the M $_{ n }$ via VPO (1,618 Da), than the M $_{ n }$ obtained using PS as calibration standards (3,836 Da). Hence, this GPC analysis using polyether polyols as calibration standards can offer reassured determination of MWD of palm olein polyols.
Starting Page	721
Ending Page	730
Page Count	10
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	93
Issue Number	5
e-ISSN	15589331
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Palm olein polyols Gel permeation chromatography Polyether polyols Molecular weight Calibration standard Industrial Chemistry/Chemical Engineering Biomaterials Agriculture Food Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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