Linear ethylene polymer staple fibers

Details Linear ethylene polymer staple fibers Linear ethylene polymer staple fibers

1989-10-27

1992-05-12

Seccuro, Carman J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

525240, 525324, 428296, D01F 806, D01F 630, C08L 2308, C08L 2316

Patent

active

051126869

ABSTRACT:
Blends of high molecular weight linear polyethylene and low molecular weight linear polyethylene provide improved staple fiber-forming capabilities over that found with either polymer taken alone. Preferably at least one of the polymers used in the blend is a linear low density polyethylene, LLDPE, which is a linear polyethylene comprising ethylene copolymerized with an amount of a higher alpha-olefin which causes the density of the copolymer to be less than that of a homopolymer made using the same process and catalyst. The higher alpha-olefin can be at least one in the C.sub.3 -C.sub.12 range, preferably in the C.sub.3 -C.sub.8 range.

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patent: 4824912 (1989-04-01), Su
patent: 4842922 (1989-06-01), Krupp et al.

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