Abstract: A multi-layer ballistic woven fabric, including an upper woven layer having upper warp yarns and upper weft yarns that are interwoven together to form the upper woven layer. The multi-layer ballistic woven fabric also includes a lower woven layer having lower warp yarns and lower weft yarns that are interwoven together, and a plurality of securing yarns, each securing yarn interwoven with at least some of the upper yarns and some of the lower yarns so as to secure the upper and lower woven layers together. At least one of the securing yarns is woven underneath a first lower weft yarn, then above a second upper weft yarn adjacent the first lower weft yarn, then underneath a third lower weft yarn adjacent the second upper weft yarn and then above a fourth upper weft yarn adjacent the third lower weft yarn. The multi-layer ballistic woven fabric is formed by interweaving the securing yarns with the warp yarns and weft yarns as the upper woven layer and lower woven layer are made.

Abstract: According to one aspect, a method of forming foam composites. The method includes providing a plurality of microspheres in contact with a fiber pre-form having a plurality of fibers, inserting at least one penetrating element into the fiber pre-form, and repeatedly moving the at least one penetrating element within the fiber pre-form so as to encourage the plurality of microspheres to disperse within the fiber pre-form. The fiber pre-form with the microspheres dispersed therein is then heated, causing the microspheres to expand and fuse together to form the foam composite.

Abstract: An antiballistic panel includes at least a first stack and a second stack. The first stack has a plurality of first laminates made of a first kind of fibers, and the second stack has a plurality of second laminates made of a second kind of fibers. Either the first kind of fibers or the second kind of fibers has a tensile modulus in the range of 40-85 GPa measured according to ASTM D7269. The other of the first kind of fibers or the second kind of fibers has a tensile modulus in the range of 86-140 GPa measured according to ASTM D7269.

Abstract: A ballistic resistant article is presented comprising a plurality of fibrous layers, each of said layers comprising a network of fibers, wherein the fibers have a strength of at least 800 mN/tex (1100 MPa) according to ASTM D 7269-07 and a matrix material, wherein the matrix material comprises a mixture comprising: at least one styrene butadiene random copolymer resin, and at least one tackifier. Compared with an article of the same construction but with a matrix material without a tackifier the article according to the invention comprises a higher adhesion between the fibrous layers both in the unaged and aged state and a lower water pick up after water soak. The article additionally comprising a plate of metal or ceramic exhibits minimal or even no delamination of the fibrous layers after ballistic attack.

Abstract: A multi-layer ballistic woven fabric, including an upper woven layer having upper warp yarns and upper weft yarns that are interwoven together to form the upper woven layer. The multi-layer ballistic woven fabric also includes a lower woven layer having lower warp yarns and lower weft yarns that are interwoven together, and a plurality of securing yarns, each securing yarn interwoven with at least some of the upper yarns and some of the lower yarns so as to secure the upper and lower woven layers together. At least one of the securing yarns is woven underneath a first lower weft yarn, then above a second upper weft yarn adjacent the first lower weft yarn, then underneath a third lower weft yarn adjacent the second upper weft yarn and then above a fourth upper weft yarn adjacent the third lower weft yarn. The multi-layer ballistic woven fabric is formed by interweaving the securing yarns with the warp yarns and weft yarns as the upper woven layer and lower woven layer are made.

Abstract: A ballistic resistant article is presented comprising a plurality of fibrous layers, each of said layers comprising a network of fibers, wherein the fibers have a strength of at least 800 mN/tex (1100 MPa) according to ASTM D 7269-07 and a matrix material, wherein the matrix material comprises a mixture comprising at least one self-crosslinking acrylic resin and/or at least one crosslinkable acrylic resin, and at least one tackifier. Compared with an article of the same construction but with a matrix material without tackifier the article according to the invention comprises a higher adhesion between the fibrous layers both in the unaged and aged state and a lower water pick up after water soak and the article passes the gasoline soak test.

Abstract: A penetration-resistant article is provided comprising two or more layers of woven fabric. The layers of woven fabric each comprise a first series of fibers aligned in a first direction and a second series of fibers interwoven with the first series of fibers and aligned in a second direction perpendicular to the first direction. Two or more layers of woven fabric are loosely stacked together so as to permit relative slippage therebetween and are rotationally offset by an offset angle selected so as to inhibit mechanical interference between opposing adjacent surfaces of the woven fabric layers during slippage therebetween. Also provided are methods for assembling penetration-resistant articles.

Abstract: According to some embodiments, there is provided a ballistic-resistant composite including a plurality of large denier per filament (dpf) yarns. The large dpf yarns may have a “Composite-Armor dpf factor” (CA•dpf) of greater than or equal to 6.9.

Abstract: The invention pertains to an antiballistic panel. The panel comprises at least a first stack and a second stack, wherein the first stack has a plurality of first laminates made of a first kind of fibers and the second stack has a plurality of second laminates made of a second kind of fibers, wherein the first kind of fibers has a tensile modulus in the range of 40-85 GPa measured according to ASTM D7269 and the second kind of fibers has a tensile modulus in the range of 86-140 GPa measured according to ASTM D7269.

Abstract: A multi-layer ballistic woven fabric, including an upper woven layer having upper warp yarns and upper weft yarns that are interwoven together to form the upper woven layer. The multi-layer ballistic woven fabric also includes a lower woven layer having lower warp yarns and lower weft yarns that are interwoven together, and a plurality of securing yarns, each securing yarn interwoven with at least some of the upper yarns and some of the lower yarns so as to secure the upper and lower woven layers together. At least one of the securing yarns is woven underneath a first lower weft yarn, then above a second upper weft yarn adjacent the first lower weft yarn, then underneath a third lower weft yarn adjacent the second upper weft yarn and then above a fourth upper weft yarn adjacent the third lower weft yarn.

Abstract: A ballistic resistant article is presented comprising a plurality of fibrous layers, each of said layers comprising a network of fibers, wherein the fibers have a strength of at least 800 mN/tex (1100 MPa) according to ASTM D 7269-07 and a matrix material, wherein the matrix material comprises a mixture comprising at least one self-crosslinking acrylic resin and/or at least one crosslinkable acrylic resin, and at least one tackifier. Compared with an article of the same construction but with a matrix material without tackifier the article according to the invention comprises a higher adhesion between the fibrous layers both in the unaged and aged state and a lower water pick up after water soak and the article passes the gasoline soak test.

Abstract: According to some aspects, a method of manufacturing a coated multi-threat fabric, including providing a first fabric layer having a first surface, the first fabric layer having a plurality of high performance fibers, applying a first polymeric material onto the first surface of the first fabric layer, the polymeric material having a melt flow index of between about 0.7 to 1400 g/10 min, a Shore D hardness of between about 36 and 75, and ultimate tensile strength of between about 5 and 75 MPa, spreading the first polymeric material onto the first surface of the first fabric layer so as to form a raw coated fabric having a first coating layer, and heating the raw coated fabric to bond the first coating layer to the first fabric layer, wherein the first polymeric material is selected such that the coated multi-threat fabric is flexible enough to be stored on a roll of a predetermined size.

Abstract: A multi-layer ballistic woven fabric, including an upper woven layer having upper warp yarns and upper weft yarns that are interwoven together to form the upper woven layer. The multi-layer ballistic woven fabric also includes a lower woven layer having lower warp yarns and lower weft yarns that are interwoven together, and a plurality of securing yarns, each securing yarn interwoven with at least some of the upper yarns and some of the lower yarns so as to secure the upper and lower woven layers together. At least one of the securing yarns is woven underneath a first lower weft yarn, then above a second upper weft yarn adjacent the first lower weft yarn, then underneath a third lower weft yarn adjacent the second upper weft yarn and then above a fourth upper weft yarn adjacent the third lower weft yarn. The multi-layer ballistic woven fabric is formed by interweaving the securing yarns with the warp yarns and weft yarns as the upper woven layer and lower woven layer are made.

Abstract: According to one aspect, a fabric for use in structural applications, having a first layer of structural yarns comprising first structural yarns aligned in a first direction, a second layer of structural yarns comprising second structural yarns aligned in a second direction at an angle relative to the first direction, the second layer of structural yarns disposed on top of the first layer of structural yarns, first encapsulating yarns disposed on the second layer of structural yarns, the first encapsulating yarns being aligned with the first structural yarns, and second encapsulating yarns being aligned with the second structural yarns, the second encapsulating yarns being alternatively woven above one of the first encapsulating yarns and below one of the first structural yarns such that the first encapsulating yarns and second encapsulating yarns cooperate to secure the first layer of structural yarns to the second layer of structural yarn.

Abstract: A method for processing a composite includes consolidating a section of a continuous length of a first feedstock together with a section of a continuous length of a second feedstock to form a consolidated section. The first feedstock is made of a first composite layer that is releasably bonded to a first release layer, and the second feedstock is made of a second composite layer that is releasably bonded to a second release layer. The first release layer is then separated from the consolidated section and from a portion of the first composite layer a distance beyond an edge of the consolidated section. The first composite layer is then cut within the distance beyond the edge to release the consolidated section from the remaining continuous length of the first feedstock.

Abstract: A fabric including a first layer of high-performance unidirectional yarns and a second layer of high-performance unidirectional yarns disposed transversely to the first layer. The fabric also includes warp and fill encapsulating yarns woven around the unidirectional yarns to substantially stabilize the unidirectional yarns. The encapsulating yarns have tenacities and tensile moduli substantially less than the tenacities and tensile moduli of the unidirectional yarns. The fabric has a cover factor between approximately 0.75 and approximately 1.50.

Abstract: A ballistic composite comprises multiple layers of a fabric having unidirectional ballistic resistant yarns in at least two layers and a resin layer between each pair of such multiple layers adhered to the ballistic resistant yarns but not encapsulation the same and not penetrating the layer of fabric. The ballistic yarn layers are at 90°±5° with respect to each other and the ballistic resistant yarns are stabilized by being woven in a second fabric. The second fabric is formed of yarns having a substantially lower tenacity and tensile modulus than the ballistic resistant yarn. The ballistic resistant yarns have a tenacity of at least about 15 grams per denier and a modulus of at least about 40 grams per denier. The resin in the resin layer has a modulus of at least about 7000 psi.

Abstract: A ballistic fabric having unidirectional ballistic resistant yarns in at least two layers. The layers are at 90°±5° with respect to each other. The ballistic resistant yarns are stabilized by being woven in a second fabric formed of yarns having a substantially lower tenacity and tensile modulus than the ballistic resistant yarns.