Olefin polymer composition having low smoke generation and fiber, film and fabric prepared therefrom
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United States of America Patent
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Jan 9, 2001
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Jun 12, 1998
priority date (Note) -
Expired
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Abstract
A polymer composition and fiber, film and fabric prepared therefrom. The composition contains (i) an acid neutralizing agent other than a metallic salt of a saturated or unsaturated fatty acid, (ii) a processing aid comprising a metallic salt of a saturated or unsaturated fatty acid, the metallic salt of a saturated or unsaturated being present in a maximum amount of 200 ppm, a stabilizer system containing (a) a phosphite selected from the group consisting of 2,2',2'-nitrilo[triethyl-tris(3,3',5,5'-tetra-tert.butyl-1, 1-biphenyl-2,2'-diyl)phosphite] and tris(2,4-di-tert-butylphenyl) phosphite; and (b) a N,N-dialkylhydroxylamine. Also disclosed is a method for preparing a polyolefin fiber, film or fabric which includes (A) incorporating the above additives into an olefin polymer, thereby producing a stabilized polyolefin polymer; and (B) extruding the stabilized olefin polymer through a die, thereby producing a olefin polymer fiber or film. A woven or non-woven fabric may be prepared from the olefin polymer fiber or film.
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