Rigid polyurethane foam prepared by using rape seed oil
This invention is preparation method of rigid polyurethane foam plastics with rape oil. The procedure is as followings: 1) adds alcohol to alcoholysis with the precence of rape oil and catalysis, obtain mixed unsaturated fatty acid monoester. 2) Add epoxidation agent to get mixed epoxidated fatty ac...
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Sprache: | eng |
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