Filled cut-resistant fiber
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United States of America Patent
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Aug 15, 2000
Issued Date -
N/A
app pub date -
Dec 15, 1998
filing date -
Nov 24, 1992
priority date (Note) -
Expired
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Abstract
A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is included in an amount of about 0.05% to about 20% by weight. In preferred embodiments, the fiber-forming polymer is poly(ethylene terephthalate) or a liquid crystalline polyester comprising monomer units derived from 6-hydroxy-2-naphthoic acid and 4-hydroxybenzoic acid. Preferred fillers include tungsten and alumina.
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