Synthesis characterization and application of hexafunctional epoxy resin and comparison against commercial epoxy resin

Polymers and Polymer Composites Pub Date : 2022-01-01 DOI:10.1177/09673911221076721

M. Raj, Jaykumar Maheta, L. Raj

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引用次数: 3

Abstract

Current study compares the various analytical results of hexafunctional epoxy resins based on bisphenol-A with conventional epoxy resins. Reaction of bisphenol-A, formaldehyde, and epichlorohydrin produces hexafunctional epoxy resin. The curing properties of commercial epoxy resin and hexafunctional epoxy resin were determined using a variety of hardeners, including diethylenetriamine, triethylenetetramine, phenalkamine, polyamido amines, and polyamides. The epoxy equivalent weight (EEW), hydrolyzable chlorine content, volatile content, Brookfield viscosity, weight average molecular weight, elemental analysis (C, H, N, O analysis), and Fourier transform infrared spectroscopy were used to characterize the hexafunctional resin (FT-IR). Jute and glass reinforced composites were also prepared by using hexafunctional epoxy resins and commercial epoxy resins. Mechanical properties (tensile strength, flexural strength, Izod impact strength, and Rockwell hardness), thermal properties, and chemical resistance were determined for each composite. Hexafunctional epoxy resin-based composites exhibited superior mechanical characteristics, thermal resistance, and chemical resistance properties than commercial epoxy resin-based composites.

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六官能团环氧树脂的合成、表征、应用及与工业环氧树脂的比较

本研究比较了双酚a基六官能环氧树脂与常规环氧树脂的各种分析结果。双酚a、甲醛和环氧氯丙烷反应生成六官能团环氧树脂。采用不同的硬化剂，包括二乙烯三胺、三乙烯四胺、苯烷胺、聚胺胺和聚酰胺，测定了工业环氧树脂和六功能环氧树脂的固化性能。采用环氧当量(EEW)、可水解氯含量、挥发分含量、布鲁克菲尔德粘度、重量平均分子量、元素分析(C、H、N、O分析)和傅里叶变换红外光谱(FT-IR)对六官能层树脂进行表征。用六官能环氧树脂和工业环氧树脂制备了黄麻和玻璃增强复合材料。测定了每种复合材料的机械性能(拉伸强度、弯曲强度、Izod冲击强度和洛氏硬度)、热性能和耐化学性。六官能团环氧树脂基复合材料具有比普通环氧树脂基复合材料更好的机械性能、耐热性和耐化学性。

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Polymers and Polymer Composites

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