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首页> 外文期刊>Journal of industrial and engineering chemistry >Microencapsulation of imidazole curing agent for epoxy resin
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Microencapsulation of imidazole curing agent for epoxy resin

机译：咪唑环氧树脂固化剂的微囊化

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An epoxy resin-imidazole system was used to form the adhesives for the anisotropic conducting film (ACF), and a latent curing system was necessary for the ACF. In this study, 2-phenylimidazole (2PhI) was encapsulated for the latent curing system. Polycaprolactone (PCL) was used as the wall material, and the solvent evaporation method was used to form the microcapsule. The effects of the ratio of 2PhI and PCL, and the effects of the molecular weight of PCL were investigated during the microcapsule formation. The amount of 2PM in the microcapsule was measured using TGA. The permeability of the microcapsules was measured in ethanol, and the shelf life of the microcapsules was also studied for the epoxy resin. The curing behavior was examined using DSC. In the curing reaction of the epoxy resin, the microcapsule of 2PhI exhibited a delayed kinetic behavior compared to pure 2PhI. This microcapsule of 2PhI exhibited a long shelf life, and the curing did not occur in this microcapsule-epoxy resin system at 20 °C for more than 30 days.
机译：环氧树脂-咪唑体系用于形成各向异性导电膜（ACF）的粘合剂，而潜在的固化体系对于ACF是必需的。在这项研究中，将2-苯基咪唑（2PhI）封装用于潜在的固化体系。将聚己内酯（PCL）用作壁材料，并使用溶剂蒸发法形成微囊。在微囊形成过程中研究了2PhI和PCL的比例的影响以及PCL分子量的影响。使用TGA测量微胶囊中2PM的量。在乙醇中测量了微胶囊的渗透性，并且还研究了环氧树脂的微胶囊的保存期限。使用DSC检查固化行为。在环氧树脂的固化反应中，与纯2PhI相比，2PhI微胶囊的动力学行为有所延迟。该2PhI的微胶囊显示出长的保存期限，并且在该微胶囊-环氧树脂体系中在20℃下超过30天没有发生固化。

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