C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
18/613, 400/9461
C08K 5/02 (2006.01) D01D 5/11 (2006.01)
Patent
CA 1338407
An improved process is provided for flash- spinning plexifilamentary film-fibril strands of fiber- forming polyolefin from a small group halocarbon liquids that, if released to the atmosphere, present a greatly reduced ozone depletion hazard, as compared to the halocarbon currently-used commercially for making the strands. The preferred halocarbon for this purpose is 1,1-dichloro-2,2,2-trifluoroethane.
609848
E.i. Du Pont de Nemours And Company
Sim & Mcburney
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