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Related Experiment Video

Updated: May 10, 2026

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
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Hierarchically Soft Porous MOF-Polymer Monolith for Fast and Large-Scale Moisture Buffering.

Guangxin Ma1, Xin Zhou1,2, Weiman Li1,2

  • 1State Key Laboratory of Mesoscience and Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|May 8, 2026
PubMed
Summary

High indoor humidity necessitates advanced dehumidification. Researchers developed a novel MOF-polymer hydrogel adsorbent, ThermoGel-23, for efficient, low-energy indoor humidity control.

Keywords:
hierarchical pore structurehumidity controlmetal–organic frameworkssynergythermal responsiveness

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Synthesis and Characterization of Self-Assembled Metal-Organic Framework Monolayers Using Polymer-Coated Particles

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Environmental Science

Background:

  • High indoor humidity poses risks to buildings, equipment, and human health.
  • Existing dehumidification technologies often face limitations in efficiency, energy consumption, or material safety.
  • There is a critical need for advanced, sustainable dehumidification solutions.

Purpose of the Study:

  • To develop a novel, non-toxic, and energy-efficient hydrogel adsorbent for indoor dehumidification.
  • To investigate the synergistic effects of metal-organic frameworks (MOFs) and thermoresponsive hydrogels for enhanced moisture uptake and release.
  • To explore the potential of MOF-polymer composites as scalable desiccants for humidity control.

Main Methods:

  • An in situ interface-controlled growth method was employed to synthesize a hierarchically porous hydrogel composite.
  • The composite hydrogel, ThermoGel-23, integrates MOFs with a poly(N-isopropylacrylamide) (PNIPAM) thermoresponsive matrix.
  • Experiments and simulations were combined to analyze water cluster transport and the role of porous structure and thermal response.

Main Results:

  • The synthesized ThermoGel-23 hydrogel exhibited a high moisture uptake capacity of 1.64 g·g-1.
  • The material demonstrated a high adsorption rate and a low desorption activation energy of 31.0 kJ·mol-1.
  • The study elucidated water transport pathways and confirmed the importance of hierarchical porosity and thermal responsiveness.

Conclusions:

  • MOF-polymer composites, like ThermoGel-23, show significant promise as efficient and scalable desiccants.
  • The developed material meets key requirements for indoor adsorption dehumidification, including easy shaping, non-toxicity, and low energy consumption.
  • This research paves the way for sustainable and energy-saving humidity control technologies.