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FAFEX: Inline fibre finishing at fibre extrusion

The objective of the FAFEX project is to integrate the finishing step in an earlier process phase, and more in particular during the yarn extrusion phase by applying an aqueous polymer solution onto the filament's surface during melt spinning.

This technique is based on the LCST principle (Lower Critical Solution Temperature). Upon temperature rise, phase separation and polymer precipitation will take place in some special water-based solutions of organic polymers, depositing, in other words, a very thin polymer layer on the filaments.
LCST principe

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Start date: 
01 Jan 2010
End date: 
31 Dec 2012