Abstract: Articles such as a net, a round sling or a splice include a resin-impregnated lengthy body having multifilamentary yarns comprised of high performance polyethylene (HPPE) fibres and a polymeric resin dispersed throughout a cross-section of the multifilamentary yarns. The the polymeric resin is a homopolymer or copolymer of ethylene and/or propylene, wherein the polymeric resin has a density as measured according to ISO1183 in the range from 860 to 930 kg/m3, a melting temperature in the range from 40 to 140° C. and a heat of fusion of at least 5 J/g.

Abstract: Processes for forming a yarn formed of i) high-performance polyethylene fibers including a hard component, the hard component having a Mohs hardness of at least 2.5, and ii) a polymeric resin, wherein the polymeric resin is a homopolymer of ethylene or propylene or is a copolymer of ethylene and/or propylene, wherein the polymeric resin has a density as measured according to ISO1183-2004 in the range from 860 to 970 kg/m3, a melting temperature in the range from 40 to 140° C. and a heat of fusion of at least 5 J/g.

Abstract: A chain link having a strip which includes warp yarns and weft yarns is provided, with the warp yarns containing a warp yarn A and a warp yarn B, with the minimum creep rate of warp yarn B being higher than the minimum creep rate of warp yarn A, wherein the strip comprises a longitudinal core section and at least two longitudinal edge sections, and wherein the concentration of warp yarn A in the core section is higher than the concentration of yarn A in the edge sections of the strip and the concentration of warp yarn B in the edge sections is higher than the concentration of warp yarn B in the core section of the strip. The invention also relates to a chain comprising said chain link and to use of said chain in different applications.

Abstract: The invention relates to a process for producing a ballistic-resistant curved molded article said process comprising forming a stack of a plurality of composite sheets, pressing the stack comprising the composite sheets at a temperature of between 80° C. to 150° C. and a pressure of between 10 and 400 bar for at least 5 minutes to obtain a curved molded article, cooling the compacted stack to a temperature below 80° C. while maintaining the pressure above 10 bar, releasing the pressure from the cooled curved molded article; wherein the composite sheets comprise unidirectionally aligned high tenacity polyethylene fibers and a matrix comprising a polyethylene resin being a homopolymer or copolymer of ethylene having a density of between 870 to 980 kg/m3 when measured according to ISO1183 and a melt flow index of between 0.5 and 50 g/10 min when measured according to ASTM 1238B-13 at a temperature of 190° C. and a weight of 21.6 kg.

Abstract: A chain includes a plurality of interconnected chain links, wherein at least one of the chain links comprises a Turk's head braided core having at least two consecutive turns of at least one primary strand. The at least one primary strand includes polymeric elongated elements having a tenacity of at least 1.0 N/tex.

Abstract: The invention relates to a composite sheet, and a ballistic resistant article, comprising unidirectionally aligned high performance polyethylene (HPPE) fibers and a polymeric resin, wherein said polymeric resin comprises a homopolymer or copolymer of ethylene and wherein said polymeric resin has a density as measured according to ISO1183 of between 930 and 980 kg/m3, and a peak melting temperature of from 115 to 140° C.; and said polymeric resin is present in an amount of from 5 to 25% by weight based on the total weight of the composite sheet. It further relates to a method for manufacturing a composite sheet comprising assembling HPPE fibers to a sheet, applying an aqueous suspension of a polymeric resin to the HPPE fibers, partially drying the aqueous suspension, optionally applying a temperature and/or a pressure treatment to the composite sheet.

Abstract: Composite sheets include at least two adjacent fibrous monolayers of unidirectionally aligned high tenacity polyethylene fibers, whereby the direction of orientation between the polyethylene fibers of said two fibrous layers differs by at least 80° and up to 90°, the fibers having a tenacity of at least 1.5 N/tex, the fibers being in a matrix comprising a homopolymer or copolymer of ethylene and wherein the homopolymer or copolymer of ethylene has a density as measured according to ISO1183 of between 870 to 980 kg/m3. The composite sheets have an areal density of between 50 and 500 g/m2, wherein the composite sheets have an areal density normalized in-plane shear force measured at 25° C. evaluated according to a bias extension test method variant of ASTM D3518 of at least 0.40 N·m2·g?1 and lower than 5.0 N·m2·g?1 at 10 mm clamp displacement and an areal density normalized in-plane shear force measured at 110° C. and clamp displacement of 10 mm of at least 0.01 N·m2·g?1 and lower than 0.20 N·m2·g?1.

Abstract: The invention relates to a composite sheet comprising at least two adjacent fibrous monolayers of unidirectionally aligned high tenacity polyethylene fibers, whereby the direction of orientation between the polyethylene fibers of said two fibrous layers differs by at least 80° and up to 90°, the fibers having a tenacity of at least 1.5 N/tex, said fibers being in a matrix comprising a homopolymer or copolymer of ethylene and wherein said homopolymer or copolymer of ethylene has a density as measured according to IS01183 of between 870 to 980 kg/m3, said composite sheet having an areal density of between 50 and 500 g/m2 wherein the composite sheet has an areal density normalized in-plane shear force measured at 25° C. evaluated according to the bias extension test method of at least 0.40 N·m2·g-1 at 10 mm clamp displacement.

Abstract: Endless shaped articles include at least one strip of material forming a plurality of convolutions of the strip of material, the strip having a longitudinal axis, wherein each convolution of the strip comprises a twist along the longitudinal axis thereof, wherein the twist is an odd multiple of 180 degrees. Methods to manufacture the article, and its use as sling, loop, belt or chain link are also disclosed.

Abstract: The invention relates to an endless shaped article comprising at least one strip of material forming a plurality of convolutions of the strip of material, the strip having a longitudinal axis, wherein each convolution of said strip comprises a twist along the longitudinal axis of said strip, wherein said twist is an odd multiple of 180 degrees. The invention also relates to a method to manufacture said article, and its use as sling, loop, belt or chain link.

Abstract: A chain link having a strip which includes warp yarns and weft yarns is provided, with the warp yarns containing a warp yarn A and a warp yarn B, with the minimum creep rate of warp yarn B being higher than the minimum creep rate of warp yarn A, wherein the strip comprises a longitudinal core section and at least two longitudinal edge sections, and wherein the concentration of warp yarn A in the core section is higher than the concentration of yarn A in the edge sections of the strip and the concentration of warp yarn B in the edge sections is higher than the concentration of warp yarn B in the core section of the strip. The invention also relates to a chain comprising said chain link and to use of said chain in different applications.

Abstract: Composite panel comprising at least one layer containing at least one tape comprising a thermoplastic polymer selected from the group consisting of polyolefins, polyesters, polyvinyl alcohols, polyacrylonitriles, polyamides or polyketone, wherein the tape has a tensile strength of at least 1.2 GPa and an areal density of between 5 and 150 g/m2, and an adhesive in contact with said layer, whereby the amount of the adhesive in contact with one side of the at least one layer is between 0.2 and 15 g/m2, wherein the adhesive is a plastomer wherein said plastomer is a random copolymer of ethylene or propylene and one or more C2 to C12 a-olefin co-monomers and wherein said plastomer has a density as measured according to 1801183 of between 860 and 930 kg/m3. In a preferred embodiment the tape comprises an ultra high molecular weight polyethylene. The composite panel is used in a ballistic resistant article.

Abstract: The invention relates to a method for manufacturing a composite sheet comprising high performance polyethylene fibres and a polymeric resin comprising the steps of assembling HPPE fibres to a sheet, applying an aqueous suspension of a polymeric resin to the HPPE fibres, partially drying the aqueous suspension, optionally applying a temperature and/or a pressure treatment to the composite sheet wherein the polymeric resin is a homopolymer or copolymer of ethylene and/or propylene. The invention further relates to composite sheets obtainable by said method and articles comprising the composite sheet such as helmets, radomes or a tarpaulins.

Abstract: A chain includes a plurality of interconnected chain links, wherein at least one of the chain links comprises a Turk's head braided core having at least two consecutive turns of at least one primary strand. The at least one primary strand includes polymeric elongated elements having a tenacity of at least 1.0 N/tex.

Abstract: The present invention relates to a chain link comprising a strip comprising warp yarns and weft yarns, with the warp yarns containing warp yarn A and warp yarn B, with the minimum creep rate of warp yarn B being higher than the minimum creep rate of warp yarn A, wherein the strip comprises a longitudinal core section and at least two longitudinal edge sections, and wherein the concentration of warp yarn A in the core section is higher than the concentration of yarn A in the edge sections of the strip and the concentration of warp yarn B in the edge sections is higher than the concentration of warp yarn B in the core section of the strip. The invention also relates to a chain comprising said chain link and to use of said chain in different applications.

Abstract: A chain is provided which includes a plurality of interconnected chain-links. At least one chain-link of the chain has a braided core which includes a first primary strand having polymeric elongated elements having a tenacity of at least 1.0 N/tex. The braided core is braided from at least 2 consecutive turns of the primary strand. Also disclosed is a braided endless shaped element suitable as chain-link for the chain as well as a chain which has a tenacity (Ten) in N/Tex and a combined titer of the 2 legs of the chain-link having polymeric elongated elements (T) in MTex satisfying the relationship of Ten?0.50*T?0.05.

Abstract: The invention relates to a method for manufacturing a composite sheet comprising high performance polyethylene fibres and a polymeric resin comprising the steps of assembling HPPE fibres to a sheet, applying an aqueous suspension of a polymeric resin to the HPPE fibres, partially drying the aqueous suspension, optionally applying a temperature and/or a pressure treatment to the composite sheet wherein the polymeric resin is a homopolymer or copolymer of ethylene and/or propylene. The invention further relates to composite sheets obtainable by said method and articles comprising the composite sheet such as helmets, radomes or a tarpaulins.

Abstract: The present invention is concerned with filled multifilament yarn comprising a UHMWPE with an intrinsic viscosity, a filler with a diameter of at most 20 ?m in an amount such that the ratio of the mass of filler to the combined masses of UHMWPE and filler is between 0.02 and 0.50 and whereby the intrinsic viscosity is at most 225 times the filler ratio and whereby at least (i) the coefficient of variation in linear density between the filaments of said yarn is at most 12%, (ii) the coefficient of variation in tenacity (ten) between the filaments of said yarn is at most 12%, or (iii) the coefficient of variation of the Tenacity (TEN) of the multifilament yarn is at most 1.0%. The application is further concerned with a method to produce such yarn and articles comprising such yarn.

Abstract: Material sheets are provided which include at least one monolayer, wherein the at least one monolayer has a plurality of drawn unidirectional polymer fibers having a strength of greater than 1.2 GPa and a thickness of less than 100 ?m, and wherein the material sheet includes a bonding agent of less than 13 wt % relative to the total weight of the material sheet.