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Int. J. Mol. Sci. 2010, 11(4), 1870-1877; doi:10.3390/ijms11041870

Synthesis of a Novel Biodegradable Polyurethane with Phosphatidylcholines

1
College of Polymer Science & Engineering, Sichuan University, Chengdu 610065, China
2
State Key Lab of Polymer Materials and Engineering, Sichuan University, Chengdu 610065, China
*
Author to whom correspondence should be addressed.
Received: 17 March 2010 / Revised: 31 March 2010 / Accepted: 1 April 2010 / Published: 26 April 2010
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

A novel polyurethane was successfully synthesized by chain-extension of biodegradable poly (L-lactide) functionalized phosphatidylcholine (PC) with hexamethylene diisocyanate (HDI) as chain extender (PUR-PC). The molecular weights, glass transition temperature (Tg) increased significantly after the chain-extension. The hydrophilicity of PUR-PC was better than the one without PC, according to a water absorption test. Moreover, the number of adhesive platelets and anamorphic platelets on PUR-PC film were both less than those on PUR film. These preliminary results suggest that this novel polyurethane might be a better scaffold than traditional biodegradable polyurethanes for tissue engineering due to its better blood compatibility. Besides, this study also provides a new method to prepare PC-modified biodegradable polyurethanes. View Full-Text
Keywords: polyurethanes; phosphatidylcholine; biodegradable; blood compatibility; polymer; surface polyurethanes; phosphatidylcholine; biodegradable; blood compatibility; polymer; surface
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Cao, J.; Chen, N.; Chen, Y.; Luo, X. Synthesis of a Novel Biodegradable Polyurethane with Phosphatidylcholines. Int. J. Mol. Sci. 2010, 11, 1870-1877.

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