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Zeolite/Polymer Composites Prepared by Photopolymerization: Effect of Compensation Cations on Opacity and Gas Adsorption Applications

Chemistry : a European journal, 2024-02 [Peer Reviewed Journal]

Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0947-6539 ;EISSN: 1521-3765 ;DOI: 10.1002/chem.202302229

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  • Title:
    Zeolite/Polymer Composites Prepared by Photopolymerization: Effect of Compensation Cations on Opacity and Gas Adsorption Applications
  • Author: Gao, Yuanyuan ; Karatas, Yagmur Deniz ; Nouali, Habiba ; Salomon, Jean-Pierre ; Lalevée, Jacques ; Simon-Masseron, Angelique
  • Subjects: Chemical Sciences ; Polymers
  • Is Part Of: Chemistry : a European journal, 2024-02
  • Description: The fabrication of structured zeolite adsorbents through photopolymerization‐based 3D printing which offers a solution to the limitations of conventional shaping techniques has been demonstrated but many parameters still need to be optimized. In this study, we studied the influence of zeolite compensation cations on the photopolymerization and the composite’s properties. Modified zeolites (LTA 4A and FAU 13X exchanged with K+, Li+, Sr2+, Ca2+ or Mg2+) were incorporated in PEGDA with BDMK as photoinitiator, and the formulation was cured under mild conditions (LED@405 nm, room temperature, under air). Our results indicate that the nature of zeolite compensation cations affects the colorimetric properties of polymer/zeolite composites: a better translucency parameter results in higher depth of cure. After calcination at 650 °C and complete removal of PEGDA, pure zeolitic monoliths were tested for adsorption of gas molecules of interest (carbon dioxide, dichlorobenzene and water). Structured 4A and 13X monoliths obtained by 3D printing exhibit comparable adsorption capacity to commercial beads prepared from the same zeolites. This study enhances our understanding of the photopolymerization process involved in the production of polymer/zeolite composites. These composites are used in the fabrication of zeolitic objects through 3D printing, offering potential solutions to various environmental and dental challenges.
  • Publisher: Wiley-VCH Verlag
  • Language: English
  • Identifier: ISSN: 0947-6539
    EISSN: 1521-3765
    DOI: 10.1002/chem.202302229
  • Source: Hyper Article en Ligne (HAL) (Open Access)
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