Abstract: An assembly includes elongated foamed elements that are arranged next to one another in one plane and bonded to one another at abutting side faces thereof, wherein the elongated foamed elements have been made by cutting at least one foamed sheet having a top and bottom surface, the at least one foamed sheet having been prepared by a foamed extrusion process and comprises a polymer composition including polypropylene, wherein the cutting is perpendicular to the top and bottom surfaces of the at least one foamed sheet, wherein the assembly has a top and bottom surface formed of surfaces of the elongated foamed elements perpendicular to the top or bottom surface of one of the at least one foamed sheet from which the respective elongated foamed element has been made, wherein the assembly is a sheet having a compression stress at yield in the thickness direction of at least 100 kPa.

Abstract: A multilayer composite includes a core layer having an assembly and a first cover layer on the core layer, the first cover layer including a first composition having a density of at least 0.903 g/cm3 and including polypropylene, wherein the first cover layer comprises a first composition having a density of at least 0.

Abstract: Process for producing a laminate being built of at least two monolayers of polymeric tapes, the polymeric tapes having a tensile strength of at least 200 MPa, said process comprises the steps of forming a first monolayer of polymeric tapes by pre-tensioning the polymeric tapes and subsequently positioning the polymeric tapes under tension in a unidirectional, parallel manner, forming at least a second monolayer over the first monolayer in the same manner the first monolayer is formed, thereby stacking the at least two monolayers of polymeric tapes in such a way that the direction of the polymeric tapes is the same in every monolayer and that the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer above or below that monolayer consolidating the thus stacked monolayers of polymeric tapes to obtain a laminate.

Abstract: Polymeric fibers coated with an olefin block copolymer containing resin, the olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C. and laminates comprising polymeric tapes embedded in a resin of olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C.

Abstract: Process for producing a laminate being built of at least two monolayers of polymeric tapes, the polymeric tapes having a tensile strength of at least 200 MPa, said process comprises the steps of forming a first monolayer of polymeric tapes by pre-tensioning the polymeric tapes and subsequently positioning the polymeric tapes under tension in a unidirectional, parallel manner, forming at least a second monolayer over the first monolayer in the same manner the first monolayer is formed, thereby stacking the at least two monolayers of polymeric tapes in such a way that the direction of the polymeric tapes is the same in every monolayer and that the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer above or below that monolayer consolidating the thus stacked monolayers of polymeric tapes to obtain a laminate.

Abstract: The invention relates to a method for the production of high-strength ribbons having a high modulus of elasticity made of a highly molecular polyolefin, wherein the polyolefins, particularly polypropylene and polyethylene, are extruded through a slotted nozzle, are then subjected to a temperature of 85° to 135° C. for a duration of at least one second, the films are then cut into individual ribbons, if necessary, and stretched at temperatures between 90° and 165° C. in one or more steps, are rolled up or further processed directly into textiles or technical flexible sheet materials. The ribbons can be laminated into multi-layer flexible sheet materials by using adhesives or adhesion promoters, the flexible sheet materials being particularly suitable as protection from ballistic projectiles. In this case particularly in the form of plate-shaped or flexible compound bodies.

Abstract: Process for producing a laminate being built of at least two monolayers of polymeric tapes, the polymeric tapes having a tensile strength of at least 200 MPa, said process comprises the steps of forming a first monolayer of polymeric tapes by pre-tensioning the polymeric tapes and subsequently positioning the polymeric tapes under tension in a unidirectional, parallel manner, forming at least a second monolayer over the first monolayer in the same manner the first monolayer is formed, thereby stacking the at least two monolayers of polymeric tapes in such a way that the direction of the polymeric tapes is the same in every monolayer and that the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer above or below that monolayer consolidating the thus stacked monolayers of polymeric tapes to obtain a laminate.

Abstract: Process for producing fabrics comprising at least one layer of unidirectionally arranged polymeric tapes with the tapes comprising at least a core component, the process comprises the steps of forming at least one layer of unidirectionally arranged polymeric tapes in a weaving machine with the polymeric tapes being used as warp yarn and a binding thread being used as weft yarn or with the polymeric tapes being used as weft yarn and a binding thread being used as warp yarn and subsequently consolidating the at least one monolayer using pressure and heat, characterized in that the melting temperature of the binding yarns lies below the consolidating temperature and the melting temperature of the core component of the polymeric tapes lies above the consolidating temperature.

Abstract: A process for producing fabrics containing at least one layer of unidirectionally arranged polymeric tapes with the tapes having at least a core component, the process including forming at least one layer of unidirectionally arranged polymeric tapes in a weaving machine with the polymeric tapes being used as warp yarn and a binding thread being used as weft yarn or with the polymeric tapes being used as weft yarn and the binding thread being used as warp yarn, and subsequently consolidating the at least one layer of unidirectionally arranged polymeric tapes using pressure and heat, wherein a melting temperature of the binding yarns lies below a consolidating temperature, and a melting temperature of the core component of the polymeric tapes lies above the consolidating temperature.

Abstract: Antiballistic or composite products include high strength polyethylene films or tapes produced in a process including the steps of providing a quantity of disentangled polyethylene, applying a pressure of at least 20 bar to the quantity of disentangled polyethylene and a temperature between the ?-relaxation temperature and the melting temperature of the disentangled polyethylene Tm PE resulting in a block of disentangled polyethylene, skiving a film or tape off the block of disentangled polyethylene and drawing the film or tape in a single or multi stage drawing step at a total draw ratio of at least 1:20.

Abstract: Process for producing a laminate being built of at least two monolayers of polymeric tapes, the polymeric tapes having a tensile strength of at least 200 MPa, said process comprises the steps of forming a first monolayer of polymeric tapes by pre-tensioning the polymeric tapes and subsequently positioning the polymeric tapes under tension in a unidirectional, parallel manner, forming at least a second monolayer over the first monolayer in the same manner the first monolayer is formed, thereby stacking the at least two monolayers of polymeric tapes in such a way that the direction of the polymeric tapes is the same in every monolayer and that the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer above or below that monolayer consolidating the thus stacked monolayers of polymeric tapes to obtain a laminate.

Abstract: Antiballistic or composite products include high strength polyethylene films or tapes produced in a process including the steps of providing a quantity of disentangled polyethylene, applying a pressure of at least 20 bar to the quantity of disentangled polyethylene and a temperature between the ?-relaxation temperature and the melting temperature of the disentangled polyethylene Tm PE resulting in a block of disentangled polyethylene, skiving a film or tape off the block of disentangled polyethylene and drawing the film or tape in a single or multi stage drawing step at a total draw ratio of at least 1:20.

Abstract: Process for producing high strength polyethylene films or tapes comprising the steps of: providing a quantity of disentangled polyethylene, applying a pressure of at least 20 bar to the quantity of disentangled polyethylene and a temperature between the ?-relaxation temperature and the melting temperature of the disentangled polyethylene Tm PE resulting in a block of disentangled polyethylene, skiving a film or tape off the block of disentangled polyethylene and, drawing said film or tape in a single or multi stage drawing step at a total draw ratio of at least 1:20.

Abstract: Process for producing a laminate being built of at least two monolayers of polymeric tapes, the polymeric tapes having a tensile strength of at least 200 MPa, said process comprises the steps of -forming a first monolayer of polymeric tapes by pre-tensioning the polymeric tapes and subsequently positioning the polymeric tapes under tension in a unidirectional, parallel manner, -forming at least a second monolayer over the first monolayer in the same manner the first monolayer is formed, thereby -stacking the at least two monolayers of polymeric tapes in such a way that the direction of the polymeric tapes is the same in every monolayer and that the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer above or below that monolayer -consolidating the thus stacked monolayers of polymeric tapes to obtain a laminate.

Abstract: A method of manufacturing a laminate of polymeric tapes is provided. Polymeric tapes of the core-cladding type are used, in which the core material has a higher melting temperature than the cladding material. The method includes pretensioning the polymeric tapes, and positioning the polymeric tapes and consolidating the polymeric tapes to obtain the laminate. The positioning is carried out in two, three, four or more planes. The polymeric tapes are arranged in each plane in a parallel, side-by-side relationship in a first direction, the polymeric tapes of each plane are offset in a second direction relative to the polymeric tapes in an adjacent plane, the second direction being substantially perpendicular to the first direction. The polymeric tapes of the laminate are unidirectionally arranged in a single direction in all of the two, three, four or more planes.

Abstract: Polymeric fibers coated with an olefin block copolymer containing resin, the olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C. and laminates comprising polymeric tapes embedded in a resin of olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C.

Abstract: A stack having at least one layer of tapes and at least one layer of multifilament yarn.

Abstract: Process for producing high strength polyethylene films or tapes comprising the steps of: providing a quantity of disentangled polyethylene, applying a pressure of at least 20 bar to the quantity of disentangled polyethylene and a temperature between the ?-relaxation temperature and the melting temperature of the disentangled polyethylene Tm PE resulting in a block of disentangled polyethylene, skiving a film or tape off the block of disentangled polyethylene and, drawing said film or tape in a single or multi stage drawing step at a total draw ratio of at least 1:20.

Abstract: A flexible panel including a plurality of individual laminates, the laminates being built of at least two monolayers of unidirectionally arranged polymeric tapes bonded together, the direction of the polymeric tapes being the same in every monolayer and the polymeric tapes of each monolayer are offset to the tapes of the adjoining monolayer, wherein the laminates are stacked on top of each other and secured to each other by separated bonding points or bonding lines.

Abstract: A stack is proposed comprising at least one layer of tapes and at least one layer of multifilament yarn.