Enzyme‐catalyzed ring‐opening polymerization of cyclic esters in the presence of poly(ethylene glycol)
Abstract Low‐molecular‐weight polyesters were obtained by the ring‐opening homopolymerization and copolymerization reaction of ϵ‐caprolactone, rac ‐ or L ‐lactide, and glycolide in the presence of poly(ethylene glycol) with an enzyme catalyst, a lipase from Candida antarctica, Pseudomonas cepacia ,...
| Published in: | Journal of Applied Polymer Science |
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| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Wiley
2012
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| Online Access: | http://dx.doi.org/10.1002/app.36396 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fapp.36396 https://onlinelibrary.wiley.com/doi/pdf/10.1002/app.36396 |
| Summary: | Abstract Low‐molecular‐weight polyesters were obtained by the ring‐opening homopolymerization and copolymerization reaction of ϵ‐caprolactone, rac ‐ or L ‐lactide, and glycolide in the presence of poly(ethylene glycol) with an enzyme catalyst, a lipase from Candida antarctica, Pseudomonas cepacia , or Pseudomonas fluorescens . The influence of several parameters, including time, temperature, and enzyme and monomer concentration, on the polymerization rate was studied. The resulting polymers were characterized by 1 H‐NMR or 13 C‐NMR, Fourier transform infrared spectroscopy, matrix‐assisted laser desorption/ionization–time of flight mass spectroscopy, and gel permeation chromatography. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012 |
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