Alcohol-based spin liquids for flash-spinning polymeric...

Details Alcohol-based spin liquids for flash-spinning polymeric... Alcohol-based spin liquids for flash-spinning polymeric...

D - Textiles, Paper

01

F

D01F 1/02 (2006.01) D01D 5/11 (2006.01)

Patent

CA 2134869

2134869 9323592 PCTABS00028 A process is provided for flash-spinning plexifilamentary film-fibril strands of a fiber-forming polyolefin from a C1-4 alcohol or a C1-4 alcohol/co-solvent spin liquid that, if released to the atmosphere, presents no or a greatly reduced ozone depletion hazard, as compared to the halocarbon spin liquids currently used commercially for making such strands. The resulting flash-spun plexifilamentary film-fibril strands are well fibrillated and are of a quality equivalent to commercially available strands. The invention also covers the spin liquids useful in the inventive process.

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