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Strategic Study of CAE >> 2014, Volume 16, Issue 4

Separation and epoxidation of PUFA from rubber seed oil

1. College of Material Science and Engineering,Northeast Forestry University,Harbin 150040,China;

2. College of Material Engineering,Southwest Forestry University,Kunming 650224,China

Funding project:国家自然科学基金项目(31200452);国家林业公益性行业科研专项项目(201104046);云南省应用基础研究面上项目(2010ZC092);云南省教育厅科学技术研究重点项目(2012Z067);江苏省生物质能源与材料重点实验室开放基金(JSBEM201209) Received: 2013-12-04 Available online: 2014-04-17 09:33:04.000

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Abstract

Polyunsaturated fatty acid (PUFA) was separated from rubber seed oil (RSO),and then epoxidized PUFA (EPUFA) was prepared by peroxyacetic acid generated in situ by reacting acetic acid and hydrogen peroxide with PUFA from RSO. Influence of the amount of 30 % H2O2 and acetic acid,reaction time,and reaction temperature on epoxidation were studied,results showed that the optimum reaction conditions as follows:the ration of PUFA/acetic acid / 30 % H2O2 was 1/0.9/2.5 (g/g/g),the mixture reacted under 65 ℃ for 3 h,the epoxy value of EPUFA was up to 8.28 mol/100 g,relative conversion to oxirane was 82 %,conversion of double was 97 %.

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