Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 126, Issue 4, Pages 1377-1384Publisher
WILEY-BLACKWELL
DOI: 10.1002/app.36740
Keywords
polyester polyols; oleic acid; synthesis
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Funding
- Commonweal research of CAF [201104046]
- National High Technology Research and Development Program (863 Program) of China [2010AA101602]
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Oleic acid is a typical unsaturated fatty acid that is found widely in vegetable oils. The objective of this investigation was to produce a new type of oleic-based polyol from oleic acid. Possible advantages of this approach include the production of high-performance polyurethane materials from renewable resources and value-added research for oleic acid. Oleic-based polyols were synthesized by a three-step process consisting of epoxidation and ring-opening reaction, followed by esterification. The synthesized polyols appeared as a viscous liquid at room temperature with hydroxyl numbers from 307 to 425 mg KOH/g. Preparation of polyurethane foams using oleic-based polyols and isocyanate was studied. An environmentally friendly blowing agent, HCFC-141b, together with a small amount of water, was used. The synthesized foams were characterized by FTIR, SEM, and TG/DSC. (c) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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