publication . Article . 2017

Comparison of Polymer Networks Synthesized by Conventional Free Radical and RAFT Copolymerization Processes in Supercritical Carbon Dioxide

Humberto Vázquez-Torres; Alberto Rosas-Aburto; Gabriel Jaramillo-Soto; Angel Licea-Claverie; Patricia Pérez-Salinas; Eduardo Vivaldo-Lima; María Josefa Bernad-Bernad;
Open Access English
  • Published: 01 May 2017 Journal: Processes (issn: 2227-9717, Copyright policy)
  • Publisher: MDPI AG
There is a debate in the literature on whether or not polymer networks synthesized by reversible deactivation radical polymerization (RDRP) processes, such as reversible addition-fragmentation radical transfer (RAFT) copolymerization of vinyl/divinyl monomers, are less heterogeneous than those synthesized by conventional free radical copolymerization (FRP). In this contribution, the syntheses by FRP and RAFT of hydrogels based on 2-hydroxyethylene methacrylate (HEMA) and ethylene glycol dimethacrylate (EGDMA) in supercritical carbon dioxide (scCO2), using Krytox 157 FSL as the dispersing agent, and the properties of the materials produced, are compared. The mate...
Medical Subject Headings: technology, industry, and agriculturemacromolecular substances
free text keywords: supercritical carbon dioxide, RAFT polymerization, hydrogels, polymer network homogeneity, solubility in supercritical fluids, Chemical technology, TP1-1185, Chemistry, QD1-999, Self-healing hydrogels, Reversible addition−fragmentation chain-transfer polymerization, Copolymer, Polymer, chemistry.chemical_classification, Ethylene glycol dimethacrylate, chemistry.chemical_compound, Raft, Polymer chemistry, Materials science, Reversible-deactivation radical polymerization
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Article . 2017
Article . 2017
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