文献类型：期刊文献

英文题名：Microwave-assisted maleation of tung oil for bio-based products with versatile applications

作者：Liu, Chengguo[1,5] Liu, Zengshe[2] Tisserat, Brent H.[3] Wang, Rongpeng[4] Schuman, Thomas P.[4] Zhou, Yonghong[1] Hu, Lihong[1,5]

第一作者：Liu, Chengguo;刘承果

通信作者：Liu, ZS[1]

机构：[1]Chinese Acad Forestry, Natl Engn Lab Biomass Chem Utilizat, Inst Chem Ind Forestry Prod, Key Lab Forest Chem Engn,State Forestry Adm,Key L, Nanjing 210042, Jiangsu, Peoples R China;[2]ARS, Biooils Res, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA;[3]ARS, Funct Foods Res, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA;[4]Missouri Univ Sci & Technol, Dept Chem, Rolla, MO 65409 USA;[5]CAF, Inst Forest New Technol, Beijing 10009T, Peoples R China

年份：2015

卷号：71

起止页码：185-196

外文期刊名：INDUSTRIAL CROPS AND PRODUCTS

收录：;EI(收录号：20152901033312);Scopus(收录号：2-s2.0-84936951315);WOS:【SCI-EXPANDED(收录号:WOS:000356751200023)】；

基金：The authors are grateful to the financial support from the National Natural Science Foundation of China (no. 31300489), the Fundamental Research Funds for the Central Non-profit Research Institution of CAF (no. CAFYBB2014QB022), and the International S&T Cooperation Program of China (no. 2011DFA32440).

语种：英文

外文关键词：Microwave heating; One-step maleation of tung oil; Fully oil-based epoxy resin; Si-containing alkyd resin; Hydrophobicity

摘要：In this work, a simple, "green" and convenient chemical modification of tung oil for maleinized tung oil (TOMA) was developed via microwave-assisted one-step maleation. This modifying process did not involve any solvent, catalyst, or initiator, but demonstrated the most efficiency of functionalizing plant oils: at a reaction time of 4 min, the yield of purified TOMA target product reached 94.5 wt.%. A mechanism of this microwave-assisted maleation was investigated by nuclear magnetic resonance (NMR) and gel permeation chromatography (GPC). The results clearly showed that without initiator, TO can react with MA not only via Diels-Alder reaction, but also via free radical copolymerization. Moreover, three oil-based epoxides including epoxidized glycidyl ester (EGS), epoxidized soybean oil (ESO), and epoxidized octyl soyate (EOS) as well as hydroxyl-terminated polydimethylsiloxane (PDMS) were employed to react with the optimized TOMA product. Novel fully oil-based epoxy resins and silicon-containing alkyd resins were prepared. Mechanical, thermal, thermo-mechanical, and hydrophobic properties of the as-prepared epoxy and alkyd resins were carefully evaluated. The surface morphologies at the failure of the cured resin materials were studied by scanning electron microscopy (SEM). The results indicate that these oil-based materials have potential applications as hydrophobic coatings. Published by Elsevier B.V.