Please use this identifier to cite or link to this item: https://doi.org/10.1021/bm7008922
Title: Thermo-responsive porous membranes of controllable porous morphology from triblock copolymers of polycaprolactone and poly(N-isopropylacrylamide) prepared by atom transfer radical polymerization
Authors: Xu, F.J. 
Li, J. 
Yuan, S.J. 
Zhang, Z.X. 
Kang, E.T. 
Neoh, K.G. 
Issue Date: Jan-2008
Source: Xu, F.J., Li, J., Yuan, S.J., Zhang, Z.X., Kang, E.T., Neoh, K.G. (2008-01). Thermo-responsive porous membranes of controllable porous morphology from triblock copolymers of polycaprolactone and poly(N-isopropylacrylamide) prepared by atom transfer radical polymerization. Biomacromolecules 9 (1) : 331-339. ScholarBank@NUS Repository. https://doi.org/10.1021/bm7008922
Abstract: Stimuli-responsive polymers are of crucial importance in the design of smart biomaterials. The thermo-responsive triblock copolymers of polycaprolactone (PCL) and poly(N-isopropylacrylamide) (P(NIPAAm)), or P(NIPAAm)-b-PCL-b- P (NIPAAm) copolymers, were synthesized in this work via atom transfer radical polymerization (ATRP). The P(NIPAAm)-b-PCL-b-P(NIPAAm) copolymers were cast by phase inversion in water into porous membranes with well-defined and uniformly distributed pores. The P(NIPAAm) content in the P(NIPAAm)-b-PCL-b- P(NIPAAm) copolymers and the temperature of the aqueous medium for phase inversion could be used to control the pore size and porosity of the membranes. The thermo-responsive characteristics of the membranes were illustrated in the controlled water uptake and temperature-dependent glucose transport through the membranes. These temperature-sensitive membranes with controllable morphology have potential applications in biomedical engineering, drug delivery, and tissue engineering. © 2008 American Chemical Society.
Source Title: Biomacromolecules
URI: http://scholarbank.nus.edu.sg/handle/10635/64730
ISSN: 15257797
DOI: 10.1021/bm7008922
Appears in Collections:Staff Publications

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