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Synthesis of p-Phenylenediamine (PPD) using Supercritical Ammonia
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 Title & Authors
Synthesis of p-Phenylenediamine (PPD) using Supercritical Ammonia
Cho, Hang-Kyu; Lim, Jong Sung;
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In this study, investigated the synthesis method of p-Phenylenediamine (PPD) by amination of p-Diiodobenzene (PDIB) under supercritical ammonia and CuI catalyst conditions. We examined the effects of various process variables (e.g., reaction temperature, pressure, amount of ammonia inserted, amount of catalyst inserted, and reaction time) on the production yield of PPD by analyzing the Gas Chromatography (GC). The experimental results demonstrated that PPD was not produced under non-catalyst conditions, and PPD production yield increased with increasing temperature, pressure, amount of catalyst inserted, and reaction time. However, for the reaction temperature case, it was found that was the optimal temperature, because thermal degradation of PPD occurred above . In addition, we confirmed the structure of PPD and the bonding characteristics of the amine group via FT-IR and H-NMR analysis.
Supercritical Fluid;Supercritical Ammonia;p-Diiodobnezene (PDIB);p-Phenylenediamine (PPD);CuI Catalyst;
 Cited by
Copper 촉매를 이용한 p-phenylenediamine (PPD) 합성에 관한 연구,김정석;이상용;이정호;최원춘;강나영;박선영;김기웅;임종성;박용기;서휘민;

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