Synthesis and applications of a new type of 1,4-diaminophenyltetraglycidyl amine

编号 020038301

推送时间 20230220

研究领域 林产化工 

年份 2022 

类型 期刊 

语种 英语

标题 Synthesis and applications of a new type of 1,4-diaminophenyltetraglycidyl amine

来源期刊 Iranian Polymer Journal?

期 第383期

发表时间 20230106

关键词 Epoxy resin;  Glycidyl amine;  p-Phenylenediamine;  Epoxy chloropropane;  Mechanical properties; 

摘要       With the continuous development of high-level industries such as aerospace and electronics, epoxy resins with excellent properties are urgently needed, to meet the requirements of various emerging products. In this study, we synthesized a novel high-performance tetrafunctional group epoxy resin, 1,4-diaminophenyltetraglycidyl amine (DAPTGA), which was fabricated through the ring-opening substitution and closed-loop reaction of p-phenylenediamine and epoxy chloropropane with benzyl triethyl ammonium chloride (TEBAC) as the catalyst. The structure of the DAPTGA was characterized by proton nuclear magnetic resonance (H-1 NMR), infrared spectroscopy (IR), and mass spectrometry (MS) analysis. The effects of reaction conditions on the yield of DAPTGA were investigated by an orthogonal test design. The thermal properties of DAPTGA were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). When a small amount of DAPTGA was added to replace E-51, the tensile modulus of the composite resin was increased to 2.65-2.80 GPa. The tensile modulus of the composite resin was 202-214% higher than the pure E-51 epoxy resin. Studying the micromorphology of composite resin by SEM found that the volume of composite resin particles increased, and it showed an improvement in degree of intermolecular cross-linking.

服务人员 尚玮姣

服务院士 宋湛谦

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