膜科学与技术

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Preparation and properties of PVA-CS/PHBV composite membrane

Authors： ZHAO Xiaohua, ZHAO Xiaoyan, WANG Ming, JI Junling

Units： College of Petrochemical Engineering, Changzhou University, Changzhou 213164，China

KeyWords： PVA-CS/PHBV; composite membrane;electrospinning; filtration

ClassificationCode：TQ342

year,volume(issue):pagination： 2014,34(3):63-68

Abstract：

PVA-CS/PHBV composite membranes were prepared by coating the PVA/CS solution on the surface of PHBV electrospun fibers. The properties of PVA-CS/PHBV composite membranes were investigated throught adjusting the volume ratio of PVA/CS. The viscosity and mass ratio of PVA/CS were the main factors that influenced on the morphology of the PVA-CS/PHBV composite membranes. SEM was used to observe the surface and cross-sectional morphology of these membranes. The uniform PHBV fibers as based layer could be obtained at 8 wt%. After adjusting the proper PVA/CS solutions, the smooth and fully CS-PVA coated layer was covered on the PHBV scaffold surface as 8 wt% PVA-2.5 wt%CS (PVA/CS, 5:5 ). As the results, the permeate flux and ovalbumin rejection of PVA-CS/PHBV composite membranes could reach 6.41×103 L/(m2?h) and 89.94%, respectivily. Further more, the composite membranes exhibited good adsorption and separation of heavy metal ion and disperse dyes

Funds：

国家自然科学基金青年基金项目（51103016）；江苏省自然科学基金项目（BK2011241）；东华大学纤维改性国家重点实验室项目（LK1001）

AuthorIntro：

赵晓画(1987?)，女，河南许昌人，硕士，从事纤维复合膜制备及性能研究

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