BALLISTIC MATERIALS INCORPORATING HYDROENTANGLED NONWOVENS
A ballistic material is made from spunlace nonwoven fibers mechanically entangled into a woven ballistic fabric. The spunlace nonwoven may comprise low denier fibers providing for a highly dense ballistic product.
1 . A ballistic material, comprising:
a first woven ballistic fabric having a fiber denier in a range of 50 d to 5000 d; and
a spunlace nonwoven fiber component having a fiber denier in a range of about 0.5 d to about 2.5 d and a density of about 10 g/m 2 to about 200 g/m 2 ; wherein
the spunlace nonwoven fiber component is needlepunched with the first woven ballistic fabric to form the ballistic material;
wherein the first woven ballistic fabric consists essentially of ballistic grade polyamide fibers, para-aramid fibers, ultra-high molecular weight polyethylene fibers, multi-component fibers, or co-polymer fibers; and
wherein the spunlace nonwoven fiber component consists essentially of ballistic grade polyamide fibers, para-aramid fibers, ultra-high molecular weight polyethylene fibers, polypropylene fibers, polyester fibers, multi-component fibers, or co-polymer fibers.
2 . The ballistic material according to claim 1 , wherein the spunlace nonwoven fiber component consists essentially of ballistic grade para-aramid fibers, polyester fibers, multi-component fibers, or co-polymer fibers.
3 . The ballistic material according to claim 1 , wherein the first woven ballistic fabric comprises a plurality of woven ballistic fabric layers.
4 . The ballistic material according to claim 1 , wherein the spunlace nonwoven fiber component comprises fibers having a fiber denier in a range of about 0.5 d to about 2.0 d.
5 . The ballistic material according to claim 1 , wherein the spunlace nonwoven fiber component comprises fibers having a water repellent coating.
6 . The ballistic material according to claim 1 , wherein the ballistic material has an areal weight in a range of 0.1 to about 2.0 pounds per square foot.
7 . The ballistic material according to claim 1 , wherein the ballistic material has a V50 in a range of about 750 to about 3000 feet per second.
8 . The ballistic material according to claim 1 , wherein the ballistic material has an areal weight in a range of 0.1 to about 2.0 pounds per square foot and a V50 in a range of about 750 to about 3000 feet per second.
9 . The ballistic material according to claim 1 , wherein the spunlace nonwoven fiber component constitutes about 0.1 to about 10% by weight of the ballistic material.
10 . A finished ballistic product, comprising one or more of the ballistic material according to claim 1 stitched together.
11 . A ballistic material, comprising:
a first woven ballistic fabric having a fiber denier in a range of 50 d to 5000 d; and
a hydroentangled nonwoven fiber component having a fiber denier in a range of about 0.5 d to about 2.5 d and a density of about 10 g/m 2 to about 200 g/m 2 ;
wherein the first woven ballistic fabric consists essentially of ballistic grade polyamide fibers, para-aramid fibers, ultra-high molecular weight polyethylene fibers, multi-component fibers, or co-polymer fibers;
wherein the hydroentangled nonwoven fiber component is needlepunched with the first woven ballistic fabric to form the ballistic material,
wherein the hydroentangled nonwoven fiber component constitutes about 0.1% to about 10% by weight of the ballistic material, and
wherein the ballistic material has an areal weight in a range of 0.1 to about 2.0 pounds per square foot and a V50 in a range of about 750 to about 3000 feet per second.
12 . The ballistic material according to claim 11 , wherein the hydroentangled nonwoven fiber component comprises ballistic grade fibers selected from the group consisting of polyamide fibers, para-aramid fibers, ultra-high molecular weight polyethylene fibers, polypropylene fibers, polyester fibers, poly(phenylene-2,6-benzobisoxazole) fibers, graphene, spider silk, carbon nano-tubes, multi-component fibers, and co-polymer fibers.
13 . The ballistic material according to claim 11 , wherein the hydroentangled nonwoven fiber component consists essentially of ballistic grade para-aramid fibers, polyester fibers, multi-component fibers, or co-polymer fibers.
14 . The ballistic material according to claim 11 , wherein the first woven ballistic fabric comprises a plurality of woven ballistic fabric layers.
15 . The ballistic material according to claim 11 , wherein the hydroentangled nonwoven fiber component comprises fibers having a fiber denier in a range of about 0.5 d to about 2.0 d.
16 . The ballistic material according to claim 11 , wherein the hydroentangled nonwoven fiber component comprises fibers having a water repellent coating.
17 . A finished ballistic product, comprising one or more of the ballistic material according to claim 11 stitched together.