Biconstituent polypropylene/polyethylene fibers

Details Biconstituent polypropylene/polyethylene fibers Biconstituent polypropylene/polyethylene fibers

1987-02-12

1989-06-13

Seccuro, Carman J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

525240, C08L 2312, C08L 2318/23/08, D01F 806

Patent

active

048392286

ABSTRACT:
Extrudable blends of polypropylene and polyethylene, especially LLDPE, are prepared in a dynamic mixer and extruded as novel biconstituent fibers comprising polypropylene as one phase and polyethylene as another phase. Improved tenacity and hand are obtained, as compared to polypropylene alone.

REFERENCES:
patent: 4076698 (1978-02-01), Anderson et al.
patent: 4296022 (1981-10-01), Hudson
patent: 4563504 (1986-01-01), Hert et al.
patent: 4584347 (1986-04-01), Harpell et al.
patent: 4632861 (1986-12-01), Vaseilatos
Skoroszewski-"Parameters Affecting Processing of Polymers and Polymer Blends"-Plastics & Polymers, vol. 40-No. 147, pp. 142-152-7/72.

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