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Synthesis of well‐defined norbornenyl‐terminated poly(alkyl methacrylate)s by group transfer polymerization and their grafting‐through ring‐opening metathesis polymerization
Journal of Polymer Science Pub Date : 2020-04-09 , DOI: 10.1002/pol.20200140
Gue Seon Lee; Jeung Gon Kim

Highly efficient syntheses of poly(alkyl methacrylate)‐based brush polymers were accomplished via a facile group transfer polymerization (GTP) and a consecutive grafting‐through ring‐opening metathesis polymerization. The GTP system, composed of the norbornenyl‐methyl trimethylsilyl ketene acetal initiator and the N‐(trimethylsilyl) bis(trifluoromethanesulfonyl)imide catalyst, rapidly and quantitatively generates norbornenyl‐terminated poly(alkyl methacrylate) macromonomers with very narrow polydispersities (Mw/Mn < 1.10). The ring‐opening metathesis polymerization of methacrylate macromonomers using Grubbs third generation catalyst successfully generated a group of methacrylate‐based brush polymers, which assured the high quality of the macromonomers obtained from GTP.
更新日期:2020-04-09

 

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