화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2017년 봄 (05/10 ~ 05/12, 광주 김대중컨벤센센터(Kimdaejung Convention Center))
권호 21권 1호
발표분야 석유화학윤활유
제목 Preparation of acetyl trialkyl citrate by acetylation of trialkyl citrate with acetic anhydride over acid catalysts
초록 Phthalic esters represent a reproductive toxicity effects have in some instances already led to an increased level of identification marking under hazardous materials legislation. Therefore, there is a need for plasticizers which can be used for replacement of phthalates. Acetyl trialkycitrate (ATAC) can be used to replace phthalate esters. Preparation method of ATAC by acetylation of trialkylcitrate with acetic anhydride is presented on various acid catalysts. Trialkyl citrate was also prepared from citric acid monohydrate and alcohols to use as a raw material in the acetylation for the ATAC preparation. A methanesulphonic acid was employed as a homogeneous catalyst. Solid acid materials were also introduced as heterogeneous catalysts in the reaction. Catalytic activities of the acid catalysts were evaluated in comparison with yields of ATAC.
저자 정상민, 정경환, 이원준, 이 헌, 정상철
소속 순천대
키워드 alkyl trialkylcitrate; acetylation; citric acid; plastizer; HZSM-5 zeolite
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