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A Novel Polymeric Adsorbent Embedded with Phase Change Materials (PCMs) Microcapsules: Synthesis and Application

1,2,3, 1,2, 1,2,3, 1,2,3,*, 1,4,* and 1,2
School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Tianjin 300072, China
National Engineering Research Center of Distillation Technology, 92 Weijin Road, Tianjin 300072, China
Collaborative Innovation Center of Chemical Science and Engineering, 92 Weijin Road, Tianjin 300072, China
College of Chemistry, Liaoning University, 66 Chongshan Middle Road, Shenyang 110036, Liaoning, China
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(5), 736;
Received: 8 April 2019 / Revised: 3 May 2019 / Accepted: 9 May 2019 / Published: 13 May 2019
PDF [5104 KB, uploaded 13 May 2019]


The heat released during the industrial gas adsorption (e.g., volatile organic compounds (VOCs)) on adsorbents (e.g., activated carbon) would lead to the risks of fire and explosion in the adsorption column. Herein, a novel highly-porous Vinylbenzyl chloride-Divinylbenzene (VBC-DVB) polymeric adsorbent was synthesized with embedded microcapsules (Hypercrosslinked VBC-DVB Beads (HVPM)). These microcapsules have a polydivinylbenzene-phase change materials (DVB-PCMs) core-shell structure. Paraffin wax was used as PCM filling in the spherical capsule. This microcapsules-embedded polymeric adsorbent HVPM (Φ1.5–2.0 mm) is found to possess a high specific surface area (~665 m²/g) and micropore-dominant structure. It also has heat storage capability indicated by DSC (Differential Scanning Calorimetry) analysis (11.1 J/g heat of fusion between 35.0 and 48.2 °C) for the encapsulated paraffin wax. The lab adsorption tests proved the capabilities of HVPM in adsorbing VOCs (toluene, 0.21 g/g) and controlling the temperature inside the adsorption column during the dynamic adsorption process, in which the temperature rise was lowered by 62.5%, relatively. View Full-Text
Keywords: polymer; phase change materials; microcapsule; adsorption; heat storage polymer; phase change materials; microcapsule; adsorption; heat storage

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Li, X.; Sun, L.; Sui, H.; He, L.; Yuan, W.; Han, Z. A Novel Polymeric Adsorbent Embedded with Phase Change Materials (PCMs) Microcapsules: Synthesis and Application. Nanomaterials 2019, 9, 736.

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