Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 641571-11-1, Name is 3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)aniline, molecular formula is C11H10F3N3. In an article, author is Yang, Shuang,once mentioned of 641571-11-1, Name: 3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)aniline.
Synthesis of s-triazine based tri-imidazole derivatives and their application as thermal latent curing agents for epoxy resin
A series of novel s-triazine based tri-imidazole derivatives were successfully prepared through the substitution reaction of cyanuric chloride with imidazole (IM), 2-methylimidazole (2MI), 2-ethylimidazole (2EI) and 2-ethyl-4-methylimidazole (EMI), respectively. The synthesized tri-imidazole derivatives were applied in epoxy resin (EP) to investigate their curing behaviors and thermal latency. Compared with the EP systems containing the unmodified imidazoles, the curing exothermic peaks of the EP systems containing s-triazine based tri-imidazole derivatives shifted to higher temperature regions. Moreover, the EP systems containing s-triazine based tri-imidazole derivatives had much longer storage stability at room temperature. The s-triazine structure with strong electron withdrawing effect reduced the nucleophilicity of pyridine-like nitrogen atom of imidazole ring, resulting in the suppression of reactivity of the modified imidazole derivatives towards EP at room temperature. Nevertheless, the s-triazine based tri-imidazole derivatives regained fast curing performance towards EP at elevated temperatures. (C) 2017 Elsevier B.V. All rights reserved.
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