Polyolefin solution using halogen group solvents
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United States of America Patent
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Nov 29, 1994
Issued Date -
N/A
app pub date -
Feb 3, 1994
filing date -
Aug 3, 1991
priority date (Note) -
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Abstract
A halogen group solvent comprising a mixed solvent consisting essentially of bromochloromethane and/or 1,2-dichloroethylene and a co-solvent, wherein the co-solvent is at least one member selected from the group consisting of carbon dioxide, sulfur hexafluoride, difluorochloromethane, 1,1,1,2-tetrafluoroethane, etc., and the content of said co-solvent in the mixed solvent is 3 to 65% by weight; a polyolefin solution using the solvent; and a process for producing a three-dimensional fiber of a polyolefin using the solution.
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