A Convenient Low-Resolution NMR Method for the Determination of the Molecular Weight of Soybean Oil-Based Polymers

被引：3
|
作者：
Doll, Kenneth M. [1 ]
机构：
[1] ARS, Food & Ind Oil Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
来源：
JALA | 2009年 / 14卷 / 04期
关键词：
low resolution NMR; molecular weight; soybean oil polymer; NUCLEAR-MAGNETIC-RESONANCE; GREEN CHEMISTRY; VEGETABLE-OILS; SPECTROSCOPY; POLYMERIZATION; DIFFUSION; RELAXATION; LUBRICANTS; REPTATION; SOLIDS;
D O I：
10.1016/j.jala.2009.02.002
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
By studying a series of soybean oil-based polymers, using low-resolution nuclear magnetic resonance (NMR) spectroscopy, an easy method to estimate molecular weight (MW) was developed. The relationship between a polymer's MW and the instrument's response can be correlated in a linear relationship. Correlation constants (R(2)) of 0.988, when data were taken at - 10 degrees C, and 0.999, when the study was done at 0 degrees C, were observed. Overall, this method is simple and with instrument modification, could be applied to other types of polymers as well. (JALA 2009:14:185-189)
引用
收藏
页码：185 / 189
页数：5
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