Ballistic resistant material made of mechanically entangled woven fabrics without nonwoven fibers and method of making thereof
A consolidated material and method for forming a consolidated material. The consolidated material comprises a plurality of woven fabric layers that are mechanically entangled together. The plurality of woven fabric layers comprise fibers. The plurality of woven fabric layers are mechanically entangled together with fibers of the plurality of woven fabric layers and without nonwoven fibers. At least some fibers of the plurality of woven fabric layers extend in the Z-direction perpendicular to the x-y plane of the plurality of woven fabric layers. Methods for forming a consolidated material are also provided.
1 . A consolidated material comprising:
a plurality of woven fabric layers that are mechanically entangled together,
wherein the plurality of woven fabric layers comprise fibers,
wherein the plurality of woven fabric layers are mechanically entangled together with fibers of the plurality of woven fabric layers and without nonwoven fibers,
wherein at least some fibers of the plurality of woven fabric layers extend in the Z-direction perpendicular to the x-y plane of the plurality of woven fabric layers,
wherein the consolidated material has a thickness of from about 0.10 in. to about 2.0 in.,
wherein the consolidated material has a V50 in accordance with MIL STD-662F of from about 500 ft/s to about 20000 ft/s, and
wherein some fibers of at least one woven fabric layer of the plurality of woven fabric layers extend in the Z-direction into at least one other woven fabric layer of the plurality of woven fabric layers.
2 . The consolidated material of claim 1 , wherein the consolidated material has a V50 in accordance with MIL STD-662F of from about 600 ft/s to about 4000 ft/s.
3 . The consolidated material of claim 1 , wherein at least some fibers of one woven fabric layer of the plurality of woven fabric layers extend in the Z-direction into at least two other woven fabric layers of the plurality of woven fabric layers.
4 . The consolidated material of claim 1 , wherein the plurality of woven fabric layers are mechanically entangled together by needle-consolidating.
5 . The consolidated material of claim 1 , wherein the plurality of woven fabric layers are mechanically entangled together by hydroentanglement.
6 . The consolidated material of claim 1 , wherein the plurality of woven fabric layers are mechanically entangled together by air entanglement.
7 . The consolidated material of claim 1 , wherein the plurality of woven fabric layers have from about 2 to about 50 layers.
8 . The consolidated material of claim 1 , wherein each woven fabric layer of the plurality of woven fabric layers has a basis weight of from about 20 g/m 2 to about 1500 g/m 2 .
9 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers have a tenacity of at least 10 g/dtex.
10 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers have a tensile modulus of at least about 100 g/dtex.
11 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers have an elongation to break of from about 1 to about 550 percent.
12 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers are polymeric.
13 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers comprise one or more of the following types of fibers: aramid, polyethylene, polypropylene, polyazole, polyester, graphene, spider silk, carbon nanotubes, copolymers, multi-component fibers, and combinations thereof.
14 . The consolidated material of claim 1 , wherein the consolidated material has an areal density of from about 0.034 kg/m 2 to about 9.8 kg/m 2 .
15 . The consolidated material of claim 1 , wherein the fibers of the plurality of woven fabric layers form yarns that are cross-laid at 90-degree angles with respect to one another.
16 . An article comprising at least one consolidated material of claim 1 .
17 . The article of claim 16 , wherein the article is a ballistic resistant article not comprising a consolidated material with nonwoven fibers.