patent number 6162538
A sheath/core fiber having increased cut resistance includes a core 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. The fiber-forming polymer of both the sheath and the core components includes an aromatic polyamide polymer.
Clemson University Research Foundation (Clemson, SC)
428/357, 428/364, 428/372, 428/374, 428/397, 428/401, 428/402, 428/407