Journal
MATERIALS SCIENCE AND ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 96, Issue -, Pages 402-411Publisher
ELSEVIER
DOI: 10.1016/j.msec.2018.11.047
Keywords
Polyethersulfone; Networked submicrogels; Antifouling property; Antibacterial adhesion; Haemocompatible
Categories
Funding
- National Natural Science Foundation of China [51503125, 51673125, 51773127]
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University [LK1619]
- Youth Science and Technology Innovation Team of Sichuan Province [2015TD0001]
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Intensive efforts have been employed in modifying biomedical membranes. Among them, blending is recognized as a simple method. However, the conventional blending materials commonly lead to an insufficient modification, which is mainly caused by the poor miscibility between the blending materials and the matrixes, the elution of the hydrophilic materials from the matrixes during the use and storage, and the insufficient surface enrichment of the blending materials. Aiming to solve the abovementioned disadvantages, we developed novel polyethersulfone/poly(acrylic acid-co-N-vinyl-2-pyrrolidone) networked submicrogels (PES/P(AA-VP) NSs), which were blended with PES to enhance the antifouling properties, antibacterial adhesion and haemocompatible properties of PES membranes. As results, the PES/P(AA-VP) NSs showed good miscibility with the PES matrix, and hydrophilic submicrogels would enrich onto the membrane surface during the phase inversion process due to the surface segregation. The entanglement between the PES matrix and the networked submicrogels would effectively limit the elution of the submicrogels. In conclusion, the modified PES membranes prepared by blending with the PES/P(AA-VP) NSs might draw great attention for the application in haemodialysis fields.
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