2010•Gaofenzi cailiao kexue yu gongchengRequires access

Hydrophilicity and Blood Compatibility on Polyethersulfone Membrane by Blending Sulfonated Polyethersulfone

Zhenyou Guo

Abstract

The sulfonated polyethersulfone (SPES) was synthesized through an electrophilic substitution reaction and PES/SPES blending membranes were prepared. The water adsorption and contact angle(CA) experiments show that the hydrophilicity of PES/SPES blend membrane is improved as for the sulfonate group existing in the SPES. BSA adsorption experiment shows that PES/SPES blend membranes can inhibit the protein adsorption effectively compared with PES membrane. Blood coagulation time experiment shows that the times of PES/SPES blend membranes are 2～3 times than that of PES membrane. So the blood compatibility of blend membranes is improved compared with pure PES membrane.

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Key concepts: Membrane, Materials science, Adsorption, Sulfonate, Contact angle, Chemical engineering, Compatibility (geochemistry), Polymer chemistry