Properties study of poly(l-lactic acid)/poly(γ-benzyl l-glutamate)-graft-poly(ethylene glycol) blend film

Properties study of poly(l-lactic acid)/poly(γ-benzyl l-glutamate)-graft-poly(ethylene glycol)... A series of poly(l-lactic acid) (PLLA)/poly(γ-benzyl l-glutamate)-graft-poly(ethylene glycol) (PBLG-graft-PEG) blend films were prepared by casting the polymer blend solution in chloroform. Surface morphologies of the PLLA/PBLG-graft-PEG blend films were investigated by scanning electron microscopy. Thermal, mechanical, and chemical properties of PLLA/PBLG-graft-PEG blend films were studied by differential scanning calorimetry, thermogravimetric analysis, tensile tests, and surface contact angle tests. It was indicated that, when PBLG-graft-PEG mole content is 5 %, the tensile strength and the surface contact angle of the polymer blend film are 21.2 MPa and 63.2°, respectively, suggesting that the polymer blend film has both good mechanical and good chemical properties. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Properties study of poly(l-lactic acid)/poly(γ-benzyl l-glutamate)-graft-poly(ethylene glycol) blend film

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1256-3
Publisher site
See Article on Publisher Site

Abstract

A series of poly(l-lactic acid) (PLLA)/poly(γ-benzyl l-glutamate)-graft-poly(ethylene glycol) (PBLG-graft-PEG) blend films were prepared by casting the polymer blend solution in chloroform. Surface morphologies of the PLLA/PBLG-graft-PEG blend films were investigated by scanning electron microscopy. Thermal, mechanical, and chemical properties of PLLA/PBLG-graft-PEG blend films were studied by differential scanning calorimetry, thermogravimetric analysis, tensile tests, and surface contact angle tests. It was indicated that, when PBLG-graft-PEG mole content is 5 %, the tensile strength and the surface contact angle of the polymer blend film are 21.2 MPa and 63.2°, respectively, suggesting that the polymer blend film has both good mechanical and good chemical properties.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: May 15, 2013

References

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