Nanocomposites of epoxidized soybean oil (ESO)-based epoxy (DGEBA) blends and clay platelets: cured with methylhexahydrophthalic anhydride crosslinker

编号 020026702

推送时间 20201130

研究领域 林产化工 

年份 2020 

类型 期刊 

语种 英语

标题 Nanocomposites of epoxidized soybean oil (ESO)-based epoxy (DGEBA) blends and clay platelets: cured with methylhexahydrophthalic anhydride crosslinker

来源期刊 Journal of Macromolecular Science, Part A

期 第267期

发表时间 20200427

关键词 Epoxidized soybean oil (ESO);  Cloisite 93A;  nanocomposites;  DGEBA;  mechanical and morphological properties; 

摘要 The effect of Closite C93A nanoclay on the mechanical, thermal properties of diglycidyl ether bisphenol A (DGEBA) epoxy resin and epoxidized soybean oil (ESO) bioepoxy blend at various wt.% (10, 20, 30) cured with anhydride hardener (MHHPA) existence of 2-methylimidazole (2-MI) as an accelerator was investigated. The DGEBA/ESO blend systems optimized through the mechanical properties. The 20?wt.% DGEBA/ESO blend systems exhibited higher tensile and impact strength incorporation of 0.5–2.5?wt.% C93A nanoclay. The curing reaction of DGEBA blends and its nanocomposites with MHHPA, 2-MI was explored by non-isothermal differential scanning calorimetry (DSC). The thermal stability of DGEBA/20%ESO blend enhanced by loading of 2.5?wt.% C93A nanoclay which restrict the flexibility of chain and obstructed the decomposition process. The formation of exfoliated inside the clays in the DGEBA/ESO/2.5%C93A nanocomposites corroborated by X-ray diffraction (XRD) and transmission electron microscopy (TEM) analysis.

服务人员 尚玮姣

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