Production Aspects of Membranes used in Medical and Industrial ...
Production Aspects of Membranes used in Medical and Industrial ...
Production Aspects of Membranes used in Medical and Industrial ...
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<strong>Production</strong> <strong>Aspects</strong> <strong>of</strong> <strong>Membranes</strong><br />
Membrane Formation / Mechanism <strong>of</strong> Phase<br />
Separation (SIPS)<br />
Path A<br />
metastable condition<br />
NG (nucleation growth)<br />
100<br />
0<br />
solvent<br />
A<br />
Polymer<br />
0<br />
100<br />
B<br />
0<br />
100<br />
non-solvent<br />
Path B<br />
unstable condition<br />
SD (sp<strong>in</strong>odal decomposition)<br />
Slow (controlled) precipitation Quick (uncontrolled) precipitation<br />
Adapted from: Membranen: Grundlagen, Verfahren und <strong>in</strong>d. Anwendung, K. Ohlrogge und K. Ebert, Wiley 2006
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