Preparation of Polyvinylidene Fluoride/Polyvinyl Dimethylsiloxane Composite Hollow Fiber Membranes and Their Separation Properties

Topics:
Chemical
Tags:
Fiber,
Membrane,
Network Technology,
Networking,
World Scientific Publishing
Source:
World Scientific Publishing

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Overview: Microporous polyvinylidene fluoride (PVDF) hollow fiber membranes were spun using the dry-wet phase inversion method. By means of dip-coating technique, a uniform coating with thickness of around 5-12 µm of polyvinyl dimethylsiloxane (PVDMS) was formed on the surface of porous PVDF hollow fibers. The structural parameters of PVDF substrate membrane were estimated by gas permeation test. Using N2/O2 as the medium, the separation properties of PVDMS-PVDF composite hollow fiber membranes were also evaluated experimentally.

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Format: PDF | Size: 1,413KB | Date: Feb 2004 | Pages: 8

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