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- Title
High‐Strength and High‐Toughness Melt‐Spun Polyethylene Fibers Derived from Composite Structure Formation.
- Authors
Kakiage, Masaki; Takei, Seito
- Abstract
High‐strength and high‐toughness polyethylene (PE) fibers are prepared by the melt‐spinning and subsequent drawing in the semimolten state of high‐density PE (HDPE) combined with ultrahigh‐molecular‐weight PE (UHMW‐PE). As‐spun fibers are prepared by the melt‐spinning of HDPE/UHMW‐PE blended powder with 0–30 wt% UHMW‐PE. The as‐spun fiber is drawn at 100 (solid state) and 130 °C (semimolten state). Well‐arranged stacked lamellae with highly oriented crystals are formed based on the difference in relaxation time for the drawn fiber with 30 wt% UHMW‐PE prepared at 130 °C in the semimolten state. This composite structure results in a PE fiber with high tensile strength (1.11 GPa) and high toughness (297 MJ m−3).
- Subjects
POLYETHYLENE fibers; COMPOSITE structures; TENSILE strength; POLYETHYLENE; FIBERS
- Publication
Macromolecular Materials & Engineering, 2020, Vol 305, Issue 11, p1
- ISSN
1438-7492
- Publication type
Article
- DOI
10.1002/mame.202000252