Preparation and characterization of novel poly(vinylidene fluoride) membranes using self-assembled dibenzylidene sorbitol for membrane distillation
學年 102
學期 1
出版（發表）日期 2014-01-01
作品名稱 Preparation and characterization of novel poly(vinylidene fluoride) membranes using self-assembled dibenzylidene sorbitol for membrane distillation
作品名稱（其他語言）
著者 Lai, Wei-Chi; Cheng, Li-Ting
單位 淡江大學化學工程與材料工程學系
出版者 Amsterdam: Elsevier BV
著錄名稱、卷期、頁數 Desalination 332(1), pp.7–17
摘要 We proposed a method for the preparation of novel poly(vinylidene fluoride) (PVDF) membranes with self-assembled 1,3:2,4-di(3,4-dimethylbenzylidene) sorbitol (DMDBS). The vapor-induced phase separation (VIPS) method with a dry/wet process was used to produce DMDBS/PVDF composite membranes. The resulting membranes exhibited the coexistence of PVDF cellular pores and crystalline particles. The DMDBS molecules self-assembled into nanofibril structures, and a large number of nanofibrils were found on the surfaces and in the cross-sections of the prepared membranes. The DMDBS nanofibril networks in the PVDF matrix acted as reinforcing materials that enhance the hardness and stiffness of the membranes. Moreover, because of the entangled DMDBS networks, a greater strain was required to induce sample failure; therefore, the ductility of the membranes increased with increasing amounts of DMDBS. In addition, in a membrane distillation process, our composite membranes exhibited a good permeate flux that was comparable to that of commercial PVDF membranes.
關鍵字 Poly(vinylidene fluoride); Self-assembly; Dibenzylidene sorbitol; Composite membranes; Reinforcing materials; Membrane distillation
語言 en
ISSN 0011-9164
期刊性質 國外
收錄於 SCI
產學合作
通訊作者 Lai, Wei-Chi
審稿制度 是
國別 NLD
公開徵稿
出版型式 ,紙本
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