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United States Department of Agriculture

Agricultural Research Service

Title: A New Approach to Prepare Vegetable Oil-Based Polymers

Author
item Liu, Zengshe

Submitted to: World Congress International Society for Fat Research
Publication Type: Abstract Only
Publication Acceptance Date: September 27, 2009
Publication Date: September 27, 2009
Citation: Liu, Z. 2009. A New Approach to Prepare Vegetable Oil-Based Polymers [abstract]. World Congress on Oils and Fats and 28th World Congress International Society for Fat Research, September 27-30, 2009, Sydney, Australia.

Technical Abstract: Polymers from vegetable oils, such as soybean oil, were prepared by cationic polymerization in supercritical carbon dioxide (scCO2) medium. Boron trifluoride diethyl etherate (BF3.OEt2) was selected as catalyst. The resulting polymers have molecular weight ranging from 21,842 to 118,300 g/mol. Nuclear magnetic resonance spectroscopy (NMR) and gel permeation chromatography (GPC) analysis confirmed the polymerization had occurred. Results showed that the longer reaction time, up to three hours, favored the higher molecular weight of polymers at conditions of 140 deg C and initiator, BF3.OEt2, at 0.018 mol. When reaction time was increased further, the molecular weight of polymers stayed the same or slightly decreased. Increased amount of initiator gave the higher molecular weight of polymers. These soy polymers would be evaluated applications in the hydrogels, polymeric surfactant and other areas through the chemical modifications.

Last Modified: 12/21/2014
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