NDLI: Physical Properties of Polyurethanes Produced from Polyols from Seed Oils: II. Foams

Content Provider	Springer Nature Link
Author	Narine, Suresh S. Kong, Xiaohua Bouzidi, Laziz Sporns, Peter
Copyright Year	2006
Abstract	Rigid polyurethane (PU) foams were prepared using three North American seed oil starting materials. Polyol with terminal primary hydroxyl groups synthesized from canola oil by ozonolysis and hydrogenation based technology, commercially available soybean based polyol and crude castor oil were reacted with aromatic diphenylmethane diisocyanate to prepare the foams. Their physical and thermal properties were studied and compared using dynamic mechanical analysis and thermogravimetric analysis techniques, and their cellular structures were investigated by scanning electron microscope. The chemical diversity of the starting materials allowed the evaluation of the effect of dangling chain on the properties of the foams. The reactivity of soybean oil-derived polyols and of unrefined crude castor oil were found to be lower than that of the canola based polyol as shown by their processing parameters (cream, rising and gel times) and FTIR. Canola-PU foam demonstrated better compressive properties than Soybean-PU foam but less than Castor-PU foam. The differences in performance were found to be related to the differences in the number and position of OH-groups and dangling chains in the starting materials, and to the differences in cellular structure.
Starting Page	65
Ending Page	72
Page Count	8
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	84
Issue Number	1
e-ISSN	15589331
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-12-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Canola oil Castor oil Mechanical and thermal properties Polyurethanes Polyols Rigid foams from plant oils Soybean oil Agriculture Biomaterials Biotechnology Chemistry/Food Science Analytical Chemistry Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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