Filaments with porous surface

Details Filaments with porous surface Filaments with porous surface

D - Textiles, Paper

01

F

18/615

D01F 1/10 (2006.01) D01D 5/247 (2006.01)

Patent

CA 1140309

-1- ABSTRACT Porous threads and a method for their production from a homogeneous mixture. The mixture comprises at least two components of which one is a fusible polymer and the other is a liquid which is inert towards the polymer. These two components are such as to form a binary system having in the liquid state, a region in which they are totally miscible and a region in which there is a discontinuity in mixing. The mixture is extruded at above the critical temperature of the binary system into a bath of the inert liquid component having a temperature below the critical temperature and the thread structure formed is solidified.

332832

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