Morphology and Properties of Poly(γ-benzyl L-glutamate)-block-poly(ethylene glycol)/Poly(L-lactic acid) Blend Membrane

Guoquan Zhu School of Materials Science and Engineering, Shandong University of Technology, Zibo, P. R. China

Fagang Wang School of Materials Science and Engineering, Shandong University of Technology, Zibo, P. R. ChinaCorrespondence[email protected]

Hongsheng Tan School of Materials Science and Engineering, Shandong University of Technology, Zibo, P. R. China

Changhong Su School of Materials Science and Engineering, Shandong University of Technology, Zibo, P. R. China

Yuying Liu School of Materials Science and Engineering, Shandong University of Technology, Zibo, P. R. China

Abstract

A series of poly(γ-benzyl L-glutamate)-block-poly(ethylene glycol) (PBLG-block-PEG)/poly(L-lactic acid) (PLLA) blend membranes were prepared by casting the polymer blend solution in chloroform. Surface morphologies of the PBLG-block-PEG/PLLA blend membranes were investigated by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Thermal, mechanical, and chemical properties of PBLG-block-PEG/PLLA blend membranes were studied by thermogravimetric analysis (TGA), tensile tests, and contact angle testing. It was found that the introduction of PLLA could exert outstanding effects on the morphology and the properties of polypeptide copolymer membrane.

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ACKNOWLEDGMENTS

This work is supported by the Natural Science Foundation of Shandong Province (No. ZR2011EMM009).

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Morphology and Properties of Poly(γ-benzyl L-glutamate)-block-poly(ethylene glycol)/Poly(L-lactic acid) Blend Membrane

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Morphology and Properties of Poly(γ-benzyl L-glutamate)-block-poly(ethylene glycol)/Poly(L-lactic acid) Blend Membrane

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ACKNOWLEDGMENTS

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