Wet-spinning polyacrylonitrile solution containing inert gas

Details Wet-spinning polyacrylonitrile solution containing inert gas Wet-spinning polyacrylonitrile solution containing inert gas

D - Textiles, Paper

01

F

18/603

D01F 6/38 (2006.01) D01D 5/247 (2006.01)

Patent

CA 1037219

METHOD OF PRODUCING FIBERS HAVING POROUS STRUCTURE ABSTRACT OF THE DISCLOSURE There are disclosed improvements in the process of preparing porous fibers by wet-spinning a spinning compo- sition containing dispersed gas, the improvements including preparation of spinning solutions satisfying specific mathe- matic relationships as to surface tension and viscosity thereof and as to relative volume of solution and gas as well as limiting particle size of the dispersed gas bubbles.

178865

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