期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 52, 期 -, 页码 721-728出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2013.11.012
关键词
Yellow oleander seed oil; Renewable source; Alkyd resin; Polyesterification; Acid value
Yellow oleander (Thevetia peruviana) is an ever-green, ornamental, dicotyledonous shrub belonging to Apocynaceae family. The oil content of its seed was found to be similar to 61.7% when extracted with petroleum ether (40-60 degrees C), which was used as a raw material for synthesis of alkyd resin. Alkyd resins were synthesized by two-stage alcoholysis-polyesterification reaction of this oil with phthalic and maleic anhydride. The synthesized alkyd resins were characterized by FT-IR and H-1 NMR spectroscopic techniques. Resins were cured by blending with epoxy resin. The surface characteristic of the cured resins was studied by SEM analysis. The physico-chemical properties of the resins such as acid value, free fatty acid content, iodine value etc. were evaluated. The coating performance of the cured resins was tested by measuring chemical resistance, thermal stability, pencil hardness, gloss and adhesion. (C) 2013 Published by Elsevier B.V.
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