CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application

CO<sub>2</sub>-responsive polymers have emerged as a significant class of smart materials, distinguished by their ability to reversibly alter their properties upon exposure to CO<sub>2</sub>. Due to CO<sub>2</sub>’s abundant availability, low cost, non-toxicity, e...

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Main Authors: Mahshab Sheraz, Rui Wang
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Molecules
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Online Access:https://www.mdpi.com/1420-3049/30/11/2350
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author Mahshab Sheraz
Rui Wang
author_facet Mahshab Sheraz
Rui Wang
author_sort Mahshab Sheraz
collection DOAJ
description CO<sub>2</sub>-responsive polymers have emerged as a significant class of smart materials, distinguished by their ability to reversibly alter their properties upon exposure to CO<sub>2</sub>. Due to CO<sub>2</sub>’s abundant availability, low cost, non-toxicity, energy efficiency, and excellent biocompatibility, these polymers offer remarkable environmental and practical advantages. This review succinctly explores recent advancements in the synthesis, mechanisms, and applications of CO<sub>2</sub>-responsive polymers, emphasizing the pivotal roles of specific acidic and basic functional groups such as carboxylic acids, phenolic groups, amines, amidines, guanidines, and imidazoles. Advanced polymerization techniques including free radical polymerization (FRP), atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT), and nitroxide-mediated polymerization (NMP) are critically evaluated for their precision and flexibility in polymer design. Significant applications in smart separation, carbon capture, drug delivery, desalination, emulsions, tissue engineering, and sensing technologies are discussed comprehensively. Although substantial progress has been made, ongoing challenges include enhancing response speed, durability, sustainability, and economic viability. Future research is recommended to focus on innovative polymer structures, computational modeling, hybrid materials, and greener synthesis methods. This review aims to inspire continued exploration and practical utilization of CO<sub>2</sub>-responsive polymers to address pressing environmental and technological needs.
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spelling doaj-art-e07e053e8d5b447590b92a4eec6225a22025-08-20T02:23:00ZengMDPI AGMolecules1420-30492025-05-013011235010.3390/molecules30112350CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to ApplicationMahshab Sheraz0Rui Wang1School of Environmental Science and Engineering, Shandong University, Qingdao 266237, ChinaSchool of Environmental Science and Engineering, Shandong University, Qingdao 266237, ChinaCO<sub>2</sub>-responsive polymers have emerged as a significant class of smart materials, distinguished by their ability to reversibly alter their properties upon exposure to CO<sub>2</sub>. Due to CO<sub>2</sub>’s abundant availability, low cost, non-toxicity, energy efficiency, and excellent biocompatibility, these polymers offer remarkable environmental and practical advantages. This review succinctly explores recent advancements in the synthesis, mechanisms, and applications of CO<sub>2</sub>-responsive polymers, emphasizing the pivotal roles of specific acidic and basic functional groups such as carboxylic acids, phenolic groups, amines, amidines, guanidines, and imidazoles. Advanced polymerization techniques including free radical polymerization (FRP), atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT), and nitroxide-mediated polymerization (NMP) are critically evaluated for their precision and flexibility in polymer design. Significant applications in smart separation, carbon capture, drug delivery, desalination, emulsions, tissue engineering, and sensing technologies are discussed comprehensively. Although substantial progress has been made, ongoing challenges include enhancing response speed, durability, sustainability, and economic viability. Future research is recommended to focus on innovative polymer structures, computational modeling, hybrid materials, and greener synthesis methods. This review aims to inspire continued exploration and practical utilization of CO<sub>2</sub>-responsive polymers to address pressing environmental and technological needs.https://www.mdpi.com/1420-3049/30/11/2350CO<sub>2</sub>-responsive polymersadvanced radical polymerizationfunctional group-induced transitionsreversible polymer behaviorssmart applications
spellingShingle Mahshab Sheraz
Rui Wang
CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
Molecules
CO<sub>2</sub>-responsive polymers
advanced radical polymerization
functional group-induced transitions
reversible polymer behaviors
smart applications
title CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
title_full CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
title_fullStr CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
title_full_unstemmed CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
title_short CO<sub>2</sub>-Responsive Vinyl Polymers: From Synthesis to Application
title_sort co sub 2 sub responsive vinyl polymers from synthesis to application
topic CO<sub>2</sub>-responsive polymers
advanced radical polymerization
functional group-induced transitions
reversible polymer behaviors
smart applications
url https://www.mdpi.com/1420-3049/30/11/2350
work_keys_str_mv AT mahshabsheraz cosub2subresponsivevinylpolymersfromsynthesistoapplication
AT ruiwang cosub2subresponsivevinylpolymersfromsynthesistoapplication