Polyolefin-polyarylate alloy fibers and their use in hot-mix com

Details Polyolefin-polyarylate alloy fibers and their use in hot-mix com Polyolefin-polyarylate alloy fibers and their use in hot-mix com

1994-08-03

1996-03-26

Edwards, N.

Stock material or miscellaneous articles

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

Staple length fiber

428264, 428373, 525166, 525177, 525 64, D02G 300

Patent

active

055021603

ABSTRACT:
The invention provides melt-spun polyolefin/polyarylate alloy fibers having an elevated softening point. These fibers are useful in staple lengths for the reinforcement of synthetic geoways (e.g., roadways, runways), especially those fabricated from asphalt-based pavements. The improved softening point of the fibers allows their incorporation into the hot-mix pavement used to fabricate and repair such surfaces without degradation of the fibers by the elevated temperatures found in plants for these manufacture of hot-mix pavements. This invention also provides an improved process for making melts of such allows.

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H. R. Spreeuwers et al., "AP-28: A Polymer Blend of . . . " Polypropylene Fibres and Textiles IV, Fourth International Conference on Polypropylene Fibres and Textiles, Univ. of Nottingham, 23-25 Sep. 1987.

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