Composite hollow fibre membrane for osmo-metric molecular weight determination

摘要

The use of a composite hollow fibre membrane for osmometric molecular weight determination is claimed. The membrane has a carrier membrane of polyacrylonitrile (PAN) with a comonomer content 1 wt.% and a 0.5-5 mu m thick crosslinked coating on the inside surface of the hollow fibre membrane. Also claimed is the process of molecular weight determination.