Elastohydrodynamic properties of seed oils

被引：0
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作者：
Biresaw, G. [1 ,2 ]
机构：
[1] National Center for Agricultural Utilization Research, Cereal Products and Food Science Research Unit, USDA, Peoria, IL 61604
[2] Cereal Products and Food Science Research Unit, NCAUR, USDA, 1815 N. University St., Peoria, IL 61604
来源：
JAOCS, Journal of the American Oil Chemists' Society | 2006年 / 83卷 / 06期
关键词：
The film-forming properties of canola (CAN); soybean; (SBO); and jojoba (JO) seed oils under elastohydrodynamic (EHD) conditions were investigated to determine whether differences in their chemical and physical properties affect their EHD properties. Polyalphaolefin (PAO); whose EHD properties have been reported before; was used as the reference synthetic oil. The effect of measurement variables (speed; load; and temperature) on the film thickness of seed oils was consistent with that predicted by EHD theory. Pressure-viscosity coefficients (pvc) calculated from film thickness data at 40°C showed a steady-state value until about 50 nm film thickness; from which the following mean and SD values for CAN; SBO; and JO were obtained (GPa-1): 10.0 ± 0.9; 7.6; ±; 0.7; and; 7.3; 0.5; respectively; However; further reduction of film thickness below about 50 nm resulted in an increase of pvc for CAN; but a decrease of pvc for SBO and JO. Copyright © 2006 by AOCS Press;
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摘要：
Journal article (JA)
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页码：559 / 566
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