4.7 Article

Acid-mediated surface etching of a nano-sized metal-organic framework for improved reactivity in the fixation of CO2 into polymers

Journal

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 71, Issue -, Pages 336-344

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.11.044

Keywords

Metal-organic frameworks; Heterogeneous catalyst; Zinc glutarate; Surface etching; CO2; Poly(alkylene carbonate)

Funding

  1. Korea CCS R&D Center - Ministry of Education, Science and Technology of the Korean Government [2014M1A8A1049300]
  2. National Research Foundation of Korea [2014M1A8A1049300] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Engineering the surface of Metal-organic frameworks (MOFs) will afford to advantageously improve their performances in catalysis. A particular example of industrially applied MOF-based catalysis is the zinc glutarate (ZnGA) catalyzed copolymerization of CO2 with an epoxide. Herein, we demonstrate how the modification of the surface of ZnGA aids to enhance its productivity in fixing CO2 into poly(alkylene carbonates), and deliver an industrially viable procedure to prepare a nanosized, surface-etched ZnGA by systematically controlling the reaction conditions and by using a mild-HCl solution. This surface modified-ZnGA exhibits similar to 83% increased productivity than the standard-ZnGA and thus could be readily applicable in industries. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

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