Lipase-catalyzed synthesis and characterization of copolymers from ethyl acrylate as the only monomer starting material

Several acrylic copolymers containing, at random, sequences of poly(ethyl acrylate) and poly(N-(2-hydroxyethyl)acrylamide) were obtained from ethyl acrylate as the only monomer starting material in a chain polymerization process, catalyzed by Candida antarctica lipase B. In the presence of ethanolam...

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Bibliographic Details
Main Authors: Rustoy, Eduardo Miguel, Erra Balsells, Rosa, Baldessari, Alicia
Language:unknown
Published: 2007
Subjects:
Chain polymerization
Ethyl acrylate
Lipase-catalyzed
Catalysis
Fourier transform infrared spectroscopy
Living polymerization
Monomers
Nuclear magnetic resonance spectroscopy
Synthesis (chemical)
Acrylic copolymers
Copolymers
catalyst
copolymer
monomer
polyacrylamide
polyacrylate
polymerization
synthesis
Argentina
Antarc*
Antarctica
Online Access:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00323861_v48_n6_p1517_Rustoy
https://hdl.handle.net/20.500.12110/paper_00323861_v48_n6_p1517_Rustoy
Description
Summary:Several acrylic copolymers containing, at random, sequences of poly(ethyl acrylate) and poly(N-(2-hydroxyethyl)acrylamide) were obtained from ethyl acrylate as the only monomer starting material in a chain polymerization process, catalyzed by Candida antarctica lipase B. In the presence of ethanolamine, the enzyme not only catalyzes the chain polymerization of ethyl acrylate but also aminolysis the pendant ester groups. The products, characterized by FTIR, 1H and 13C NMR and UV-MALDI-TOF-MS, show low molecular weight and high monodispersity. The activity showed by C. antarctica lipase B in the polymerization reaction is a new example of enzyme promiscuity. © 2007 Elsevier Ltd. All rights reserved. Fil:Rustoy, E.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Erra-Balsells, R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Baldessari, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.

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