Composite wire, reinforcement belt, bead reinforcement, reinforcement carcass, cap-ply, pneumatic vehicle tire and thermoplastic string

Abstract

This application relates to a composite yarn comprising a thermoplastic core assembly and a sheath. The sheath includes at least two groups of reinforcing filaments wound around the core assembly. The at least two groups of reinforcing filaments form a plurality of angles with the core assembly, and the sum of all angles is substantially zero.

Description

Technical Field

[0001] This application relates to composite lines for use as reinforcing elastomer materials, for example, in tires. Prior Technology

[0002] Tires made of elastomeric materials are fundamental components of almost all road vehicles and aircraft, and for more than half a century, these tires have far surpassed inflatable rubber balls. Tire structures are complex, containing intricate rubber compounds and fiber-reinforced solids of several different materials.

[0003] A typical tire includes at least five different reinforcements. The bead area is often reinforced with steel wire or cable. Directly below the tread is the so-called crown belt layer. The belt harness lies below the crown belt layer. Typically, the belt harness is a cable structure, and the tire carcass structure is formed by the so-called carcass, which is usually a woven structure of textile cables.

[0004] The fifth component is a reinforcing fabric embedded in the bead and bead filler, which those familiar with the technology call the outer ring cover (if made of textiles) or the wire ring cover (if made of steel cable).

[0005] For tire stability, steel cables and cords are often used in tires. Steel cables and cords exhibit high compressive strength and flexural rigidity that textile cable structures used in tire applications to date have not been able to achieve. Furthermore, the use of steel cables and cords is also based on economic considerations, as they are cheaper than many high-toughness textile materials.

[0006] However, the biggest drawback of the extensive use of steel cables and wires in tires is that these structures are too heavy. The extensive use of textile materials can lead to a significant reduction in weight and improve rolling resistance, thus resulting in a significant reduction in the fuel consumption of the corresponding vehicle. Summary of the Invention

[0007] Therefore, one objective of this application is to provide a reinforcement suitable for pneumatic vehicle tires that can reduce the amount of steel in the tire while providing a certain degree of compressibility and bending stiffness that meets technical requirements.

[0008] This objective is achieved by a composite yarn comprising: a thermoplastic monofilament as a core component and a sheath comprising at least two groups of reinforcing filaments wound around the core component; characterized in that the at least two groups of reinforcing filaments form a plurality of angles with the core component, and the sum of all angles is substantially zero.

[0009] Throughout this application, the terms "bio-derived" and "biologically sourced" are used synonymously. Both terms refer to material derived from living organisms such as plants, fungi, bacteria, or animals. A key characteristic of bio-derived materials is that their carbon content is part of the natural carbon cycle, rather than originating from fossil carbon in the lithosphere. Generally, processed bio-derived materials do not increase atmospheric carbon dioxide levels and therefore do not impact global climate.

[0010] Throughout this application, the terms "recycled source" and "recycled" are synonymous. Both terms refer to materials derived from waste that has undergone chemical and / or physical processing. Physical processing refers to the process by which waste is transformed into different forms, such as by melting waste thermoplastics, glass, or metal and then transforming it into different forms through processes such as extrusion, casting, or any other treatment known in the art, to obtain new articles identical to the physically processed waste material.

[0011] Chemical treatment refers to the process of treating waste materials to induce chemical decomposition and obtain raw materials, which can then be processed into the same material as the original material or another material.

[0012] Generally speaking, recycled materials are not derived from living organisms such as biomaterials or from lithosphere sources such as minerals or fossil fuels.

[0013] According to this application, a composite line is an article whose length is at least several hundred times its diameter and which comprises at least two different materials.

[0014] The core component can be made of any thermoplastic material, such as polyester (polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polyethylene 2,6-naphthalenedicarboxylate (PEN), polyethylene furanate (PEF), etc.), aromatic polyester, aliphatic polyamines (such as polyamine-5, polyamine-6, polyamine-6,6, polyamine-5,6, polyamine-4,10, polyamine-6,10). Polyamine-6,8, polyamine-10 or polyamine-11), aromatic polyamines such as aromatic polyamines (poly(p-phenylene terephthalamide), poly(m-phenylene m-phenylene terephthalamide), polyvinyl alcohol, polyvinyl acetate, poly(phenylene benzoxazole) (PBO), polybenzimidazole (PBI), polyether ether ketone (PEEK), ultra-high molecular weight polyethylene (UHMWPE), polyurethane (PUR) or monomers containing the foregoing materials or mixtures or copolymers of the foregoing materials.

[0015] Core component materials can be partially or entirely biologically derived. Core component materials can be partially or entirely made from recycled plastics. Biological and recycled raw materials can be combined.

[0016] In one embodiment, the core assembly may include a nucleating agent. The nucleating agent may be talc or similar inorganic fillers known in the art, sodium benzoate, sodium stearate, sodium ion-bonded polymers, metal salts of sulfonamide compounds or sulfonimide compounds, monosodium salts of dicarboxylic acids, and any mixtures thereof.

[0017] The core component is a single filament.

[0018] The core component diameter is at least 0.3 mm. In one embodiment, the core component diameter is at least 0.4 mm. In one embodiment, the core component diameter is at least 0.6 mm. In one embodiment, the core component diameter is at least 0.8 mm. In one embodiment, the core component diameter is at least 1.0 mm. In one embodiment, the core component diameter is at least 1.2 mm. In one embodiment, the core component diameter is at least 1.4 mm. In one embodiment, the core component diameter is at least 1.6 mm. In one embodiment, the core component diameter is at least 1.8 mm. In one embodiment, the core component diameter is at least 2.0 mm. In one embodiment, the core component diameter is at least 2.3 mm.

[0019] The core component diameter is at most 2.5 mm. In one embodiment, the core component diameter is at most 2.3 mm. In one embodiment, the core component diameter is at most 2.1 mm. In one embodiment, the core component diameter is at most 1.9 mm. In one embodiment, the core component diameter is at most 1.7 mm. In one embodiment, the core component diameter is at most 1.5 mm. In one embodiment, the core component diameter is at most 0.9 mm. In one embodiment, the core component diameter is at most 0.7 mm. In one embodiment, the core component diameter is at most 0.5 mm.

[0020] A plurality of reinforcing filament groups may include one or more substantially parallel reinforcing filaments. The term "group" does not necessarily mean that reinforcing filaments in the same group have the same or similar properties, or that reinforcing filaments in different groups have different properties. Therefore, the term "group" should be interpreted broadly as a subgroup of all reinforcing filament groups included in the composite yarn according to the invention. A group of reinforcing filament groups are processed together. Reinforcing filaments may include fibers.

[0021] Pursuant to the present application, the term "fiber" may refer to any item whose length is at least 100 times its diameter. It is important to note that the term "fiber" is interpreted widely according to this application. It is also known in the present application that fibers or strings are also fibers. In addition, the term “fiber” also covers metal wire.

[0022] The fibers in accordance with this application may have any cross-sectional shape. The fiber section comprising metal wires and filaments may be round, oval, oblong, triangular, square, rectangular or any polygon such as a pentagon, hexagon, heptagon or octagon. Stellate sections are also acceptable.

[0023] Reinforced yarn can be monofilament, yarn or rope.

[0024] If the reinforced silk is yarn, the yarn may or may not be added. Gain yarns generally have an essentially circular cross-section. The thread can be added in the S or Z direction. Unadded yarns may also have other cross-sectional geometric shapes such as rectangular, oblong oval or oval or may be banded. Those familiar with this technique know that ribbon yarn is also referred to as "flat yarn" or "strap yarn." If the reinforced thread is a rope, the rope may be formed from two or more yarns that are joined together. In the rope of this application, the yarn can be fucked on its own. In ropes with yarns, yarns generally have S plus cocks and Z plus cocks together, or yarns Z plus cocks and S plus cocks together. The rope can also be self-contained for example two yarns with a cock, one with an S plus a cock and the other with a Z plus a cock.

[0025] The rope may also be made from unadded yarn, where unadded yarn is held together. The rope may also include both spun and unstitched yarn or any combination of spun yarn, unstitched yarn and monofilament.

[0026] The fibers included in the reinforced yarn may be any organic polymer or inorganic material known in the present technique. Available inorganic materials are aluminum, steel, glass, carbon or basalt. Available organic polymers are thermoplastic and / or thermosetting polymers such as polyesters (polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), and poly2,6naphthalene acid ethylene diester (PEN), polyethylene glycol furanoate (PEF), etc.), aromatic polyester, aliphatic polyamide (such as polyamide-5, polyamide-6, polyamide-6,6, polyamide-5,6, polyamide-4,10, polyamide-6, 10, polyamide-6,8, polyamide-10 or polyamide-11), aromatic polyamides such as poly-p-phenylenediamine or poly-m-phenylenediamine, polyvinyl alcohol, polyvinyl acetate, polyphenylbenzozole (PBO), polybenzene copolymers of imidazole (PBI), polyether ether ketone (PEEK), ultra-high molecular weight polyethylene (UHMWPE), polyurethane (PUR) or monomers comprising the foregoing materials or mixtures or mixtures of the foregoing materials, but not limited to this choice.

[0027] Reinforced fibers may be included in reinforced filaments in the form of filaments. The materials used for reinforced fibers may be completely or partially of biological origin and / or from recycled sources.

[0028] The filaments of the application are essentially infinitely long fibers. Generally, the length of the filament is more than one meter, but the filament can easily be hundreds or even several kilometers in length.

[0029] In the case of handling a single filament, transported and / or handled alone and not together with other filaments is called monofilament.

[0030] The fiber in this application need not be a monolithic item. The filament may be hollow or may include enclosures such as granular or fibrous fillers, fibers, yarns, ropes, or any combination thereof. The filaments may thereby be yarn or rope added, the outer side of which has a homogeneous surface by impregnation, coating, co-extrusion or fixed size.

[0031] The filaments subject to this application may have any cross-sectional geometry such as a circle, oval, oblong oval, triangle or polygon such as a pentagon, hexagon, heptagon or octagon known in the technique. Stellate or kidney-shaped sections are also acceptable. Metal wire may also be filament pursuant to this application.

[0032] It is known that all the filament characteristics disclosed herein apply to all types of filaments relevant to the present application.

[0033] The filaments can be connected, combined and / or put together to form a yarn. The yarn is a substantially one-dimensional fiber body, wherein the fibers are linked by means of addition, welding, bonding if any other linking techniques known in the art.

[0034] A yarn may also be formed by linking several yarns by adding a jig, welding, bonding if any other linking technique known in the present technique. Yarn formed by adding together yarns is generally called rope or twine depending on its thickness and use.

[0035] The yarn may have any kind of cross-sectional geometric shape such as a circle, oval, triangle, quadrilateral or essentially linear. Basically linear means that the yarn section is oval or rectangular in which the width is at least 10 times greater than the thickness. Yarns with essentially linear profiles are referred to as "flat yarns", "belts", "coarse yarns" or "band-like yarns" by those familiar with this technique.

[0036] Flat yarns are generally not resorted to will result in the addition of yarns and / or fibrous merging of essentially circular sections. but can link several strips of yarn to a flat yarn. In general flat yarns, an adhesive is resorted to linking the fibers or embedding the fibers in the matrix material.

[0037] In the compound wire according to the invention, two, four, six, eight or more groups of reinforcing threads are entwined in the core assembly. The number of groups of reinforcement threads can be any even number.

[0038] In accordance with this application, "entanglement" means the reinforced wire winding assembly configuration of the plural group. The reinforcement threads of the complex group are at an angle to the vertical line of the core assembly. This angle is called the "entanglement angle". In accordance with this application, the entanglement angle is said to be positive if the reinforcing wire group is rotated with a clockwise winding assembly.

[0039] The reinforced filaments of each group formed a winding angle of at least ±15 degrees. In one embodiment, the entanglement angle is at least ±23 degrees. In one embodiment, the entanglement angle is at least ±30 degrees. In one embodiment, the entanglement angle is at least ±40 degrees.

[0040] The reinforced filaments in each group form a winding angle of up to ±85 degrees. In one embodiment, the entanglement angle is up to ±70 degrees. In one embodiment, the entanglement angle is up to ±60 degrees. In one embodiment, the entanglement angle is at most ±50 degrees.

[0041] The sum of the entanglement angles of the reinforcement threads for all groups is essentially zero. Essentially zero here refers to the sum of the entanglement angles of all groups of reinforcement strands up to ±9 degrees. In one embodiment, the sum of the entanglement angles of all groups of reinforcement yarns is at most ±5 or ±1 degree.

[0042] In one embodiment, a complex group of reinforcing threads is wound at least 70 turns per meter (tpm) of the core assembly. In one embodiment, the reinforcement strands of the complex group are entwined with the core assembly at at least 270 tpm. In one embodiment, the reinforcement threads of the complex group are entwined with the core assembly at at least 1000 tpm. In one embodiment, the reinforcement strands of the complex group are entwined with at least 5000 tpm of the core assembly. In one embodiment, the reinforcement strands of the complex number group are entwined with the core assembly at at least 7000 tpm. In one embodiment, the reinforcement strands of the complex number group are entwined with the core assembly at at least 10 000 tpm.

[0043] In one embodiment, the plural group of reinforcing yarns and up to 1000 tpm entangle the core assembly. In one embodiment, the plural group of reinforcing yarns and up to 5000 tpm entangle the core assembly. In one embodiment, the plural group of reinforcing yarns and up to 7000 tpm entangle the core assembly. In one embodiment, the plural group of reinforcing yarns and up to 9000 tpm entangle the core assembly. In one embodiment, the reinforcement strands of the complex group and up to 13 000 tpm entangle the core assembly.

[0044] The direct association between the number of entangled circles n and the entanglement angle α and the diameter d in meters in the core assembly is as follows:

[0045] In one embodiment, the constraint of the reinforced thread of the plural group on the core assembly is implemented by means of a rope addition. In one embodiment, a constraint of a plural group of reinforced threads on the core assembly is implemented by means of wiring.

[0046] In one embodiment, at least two groups of reinforced threads entangle the core assembly. In accordance with this application, winding means each group of reinforcing strands forming an autonomous helix of the winding assembly.

[0047] In one embodiment, at least two groups of reinforced threads may be braided around the core assembly. According to the present application, braiding means at least two groups of reinforced strands forming a hybrid helix of a winding assembly.

[0048] In accordance with this application, the term "entanglement" may refer to a group of thread-wound core assembly or winding core assembly braiding. The term constraint further encompasses any combination of constraint and braiding.

[0049] In one embodiment, at least two groups of reinforcing wire winding the core assembly and at least two groups of reinforcing wire winding the core assembly are braided.

[0050] In one embodiment, entanglement and braiding of reinforcement threads of plural groups may be combined.

[0051] In one embodiment, the core assembly of the composite wire according to the invention may include reinforced fibers. Reinforced fibers may include spun yarns in the form of single or multiple parallel threads or fibers or yarns pinned together in the core assembly. The reinforced fibers included in the core assembly may be similar to the reinforced yarns included in the composite wire. The reinforced fibers may be any organic polymer or inorganic material known in the present technique. Available inorganic materials are glass, carbon, basalt, steel or aluminum. The available organic polymers are all thermoplastic and / or thermosetting polymers such as polyesters (polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), poly2,6naphthalene Ethylene dicarboxylate (PEN), polyethylene furanate (PEF), etc.), aromatic polyesters, aliphatic polyamides (such as polyamide-5, polyamide-6, polyamide-6,6, polyamide-5,6, polyamide-4,10, polyamide-6 , 10 , polyamide-6,8, polyamide-10 or polyamide-11), aromatic polyamides such as poly-p-phenylenediamine or poly-m-phenylenediamine, polyvinyl alcohol, polyvinyl acetate, polyphenylbenzozole (PBO), poly benzimidazole (PBI), polyether ether ketone (PEEK), ultra-high molecular weight polyethylene (UHMWPE), polyurethane (PUR) or copolymers comprising monomers of the foregoing materials or mixtures or hybrids of the foregoing materials, but not limited to this choice. Reinforced fiber materials may be derived in whole or in part from biological and / or recycled sources.

[0052] In one embodiment, the reinforced yarn is embedded in a thermoplastic material using a co-extrusion technique. In the case where the core assembly includes a reinforcing thread, the core assembly includes at least 23 Vol.-% of the reinforced fiber based on the total volume of the core assembly. In one embodiment, the core assembly comprises at least 29 Vol.-% reinforced fibers based on the total volume of the core assembly.

[0053] The core assembly includes up to 50 Vol.-% reinforced fibers based on the total volume of the core assembly. In one embodiment, the core assembly includes up to 45 Vol.-% of reinforced fibers based on the total volume of the core assembly.

[0054] In one embodiment, the reinforced fiber is located in the center of the core assembly as a monofilament or metallic wire or multiple fibers, filaments, or metallic wires, forming a fiber bundle, yarn, or rope. Those familiar with this technique can handle reinforced fibers of any size such as adhesives or adhesives. Those who are familiar with this technique are known such as important binders such as resorcinol-formaldehyde-lastic-(RFL)-impregnated. There are also other adjuvants known based on other chemicals.

[0055] The composite wires in accordance with the present application may be incorporated in a variety of products, such as for strengthening elastomer objects such as tires. The composite wires according to the invention may thereby be embedded in an elastomer material.

[0056] The composite wire according to the present invention may otherwise be combined with other composite wire or yarn to form a reinforced yarn or rope to be embedded in the elastomer material. The composite thread in accordance with the invention or any yarn or rope comprising such composite thread may be knitted, knitted or wound into a one- or two-dimensional reinforced structure to be embedded in the elastomer material.

[0057] The composite wire or any one- or two-dimensional structure of which it is made can be surface treated to improve the adhesion to the rubber. Those familiar with this technique refer to the surface treatment done for this purpose as “impregnation” and is generally implemented using a mixture of resorcinol, formaldehyde and latex (so-called RFL-impregnation) or acrylate polymer. Those familiar with this technique are known to do not contain resorcinol-free and formaldehyde-free other impregnations as well.

[0058] Immersion can affect the stiffness of composite wires.

[0059] An elastomer material is any polymer material that includes cross-linked polymer chains and displays significant elasticity. Elastomer materials may include natural rubber, synthetic rubber, neoprene rubber, styrene-butadiene rubber, nitrile rubber, butyl rubber and silicone rubber, fluorosilicone rubber, fluoroelastomer or phosphazene elastomer or mixtures thereof.

[0060] Products made of reinforced elastomer materials are, but not limited to, tires, hoses, drive belts, transmission belts or seals subject to strong mechanical strain.

[0061] The composite wire according to this application may be contained in a variety of reinforced structures.

[0062] This application also relates to a reinforcing belt for pneumatic or non-pneumatic vehicle or aircraft tires, including at least one composite yarn as described in this application. The reinforcing belt is generally a rope structure bonded together and located between the crown belt layer and the reinforcing carcass of the tire. The composite yarn may be included in the belt bundle as part of a single composite yarn, yarn, or rope, and may also contain other composite yarns as described in this application or fibers, yarns, or ropes of different materials. The composite yarn in the belt bundle may be part of a braided, knitted, or wrapped reinforcing material. The composite yarn as described in this application may also be included in the reinforcing bead, crown belt layer, or carcass of the tire.

[0063] This application also relates to reinforced tire beads for pneumatic or non-pneumatic vehicle or aircraft tires that include at least one composite thread according to this application. The reinforced tire bead is located in the tire bead area. The reinforced tire bead may include the composite thread according to this application, either as a single composite thread or a bundle of composite threads. The bundle of composite threads may contain only the composite thread according to this application or the composite thread according to this application combined with yarn or rope made of other materials. Those skilled in the art know that reinforced tire beads can also be described as "bead wrapping" or "outer bead wrapping".

[0064] This application also relates to a reinforced tire carcass for pneumatic or non-pneumatic vehicle or aircraft tires, including at least one composite yarn according to this application. The reinforced tire carcass generally comprises one or more braided layers made of cords. The layers of the carcass may be arranged radially (so-called "radial tire") or cross-laminated at opposite angles (so-called "biased tire"). The composite yarn may be contained within the carcass as part of a single composite yarn, yarn, or cord, and may also contain other composite yarns according to this application or fibers, yarns, or cords of different materials. The composite yarn in the carcass may be part of a braided, knitted, or wound reinforcing material.

[0065] This application also relates to a crown belt ply for pneumatic or non-pneumatic vehicle or aircraft tires comprising at least one composite thread according to this application. The crown belt ply generally includes cords located beneath the tread, these cords generally oriented in the rolling direction of the tire. The composite thread may be incorporated into the crown belt ply as part of a single composite thread, yarn, or cord, and may also contain other composite threads according to this application or fibers, yarns, or cords of different materials. The composite thread in the crown belt ply may be part of a braided, knitted, or wound reinforcing material.

[0066] This application also relates to pneumatic or non-pneumatic vehicle or aircraft tires, including at least one composite line as described in this application.

[0067] In one embodiment, the tire includes a reinforced bead according to this application. In one embodiment, the bead of this application is covered with an outer bead protector. In one embodiment, the bead of this application is covered with a steel wire bead.

[0068] In one embodiment, the tire includes the reinforced tire carcass according to this application.

[0069] In one embodiment, the tire includes the crown layer according to this application.

[0070] In one embodiment, the tire includes a belt according to this application.

[0071] Surprisingly, it was found that if at least one thermoplastic chord with embedded reinforcing fibers is incorporated into the reinforced tire bead, the amount of steel in the tire according to this application can be further reduced.

[0072] The thermoplastic cord of this application can also replace the composite cord of this application in any other tire application.

[0073] According to this application, the chord is a cylindrical or prismatic slender body with a circular, elliptical, oblong, triangular, square, rectangular, pentagonal, hexagonal, heptagonal, octagonal or other polygonal cross-section.

[0074] The maximum diameter of the string in this application is at most one-tenth of the string length. In general, the string length in this application is at least several thousand times the maximum diameter. The string in this application is a homogeneous body, that is, at least on the outer side, the string is a single entity. However, this does not mean that the string in this application does not need to include smaller parts or segments, such as fibers, filaments, or particles, but such smaller parts or segments are essentially integrated in a manner that completely covers the outer side of the string.

[0075] In one embodiment, the thermoplastic chord is filamentous. The thermoplastic chord diameter is at least 0.3 mm. In one embodiment, the thermoplastic chord diameter is at least 0.4 mm. In one embodiment, the thermoplastic chord diameter is at least 0.6 mm. In one embodiment, the thermoplastic chord diameter is at least 0.8 mm. In one embodiment, the thermoplastic chord diameter is at least 1.0 mm. In one embodiment, the thermoplastic chord diameter is at least 1.2 mm. In one embodiment, the thermoplastic chord diameter is at least 1.4 mm. In one embodiment, the thermoplastic chord diameter is at least 1.6 mm. In one embodiment, the thermoplastic chord diameter is at least 1.8 mm. In one embodiment, the thermoplastic chord diameter is at least 2.0 mm. In one embodiment, the thermoplastic chord diameter is at least 2.3 mm.

[0076] The diameter of the thermoplastic chord is at most 2.5 mm. In one embodiment, the diameter of the thermoplastic chord is at most 2.3 mm. In one embodiment, the diameter of the thermoplastic chord is at most 2.1 mm. In one embodiment, the diameter of the thermoplastic chord is at most 1.9 mm. In one embodiment, the diameter of the thermoplastic chord is at most 1.7 mm. In one embodiment, the diameter of the thermoplastic chord is at most 1.5 mm. In one embodiment, the diameter of the thermoplastic chord is at most 1.2 mm. In one embodiment, the diameter of the thermoplastic chord is at most 0.9 mm. In one embodiment, the diameter of the thermoplastic chord is at most 0.7 mm. In one embodiment, the diameter of the thermoplastic chord is at most 0.5 mm.

[0077] Thermoplastic cords can be made of any thermoplastic or thermosetting material. Available organic polymers include all thermoplastic and / or thermosetting polymers, such as polyesters (polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polyethylene 2,6-naphthalene (PEN), polyethylene furanate (PEF), etc.), aromatic polyesters, and aliphatic polyamines (such as polyamine-5, polyamine-6, polyamine-6,6, polyamine-5,6, polyamine-4,10, polyamine-6...). 10, polyamide-6, 8, polyamide-10 or polyamide-11), aromatic polyamides such as poly(p-phenylene terephthalamide) or poly(m-phenylene isophthalamide), polyvinyl alcohol, polyvinyl acetate, poly(phenylene benzoxazole) (PBO), polybenzimidazole (PBI), polyether ether ketone (PEEK), ultra-high molecular weight polyethylene (UHMWPE), polyurethane (PUR), or copolymers of monomers or mixtures or blends thereof containing the foregoing materials, but not limited to this choice. The thermoplastic cord material may be wholly or partially derived from biological and / or recycled sources.

[0078] The reinforced fibers may be any organic polymer or inorganic material known in the present technique. Available inorganic materials are glass, carbon, basalt, steel or aluminum. Available organic polymers are polyethylene terephthalate (PET), polyethylene 2,6naphthalate (PEN) , cellulose yarn such as rayon or Lycell fiber, polyvinyl alcohol, polyvinyl acetate, aliphatic polyamide such as polyamide-5, polyamide-6, polyamide-6,6, polyamide-5,6, polyamide-4,10, polyamide-6,10, polyamide-6,8, polyamide amine-10 or polyamide-11, aromatic polyamides such as poly-p-phenylenediamine or poly-m-phenylenediamine, protein fibers such as silk, polyphenylbenzozole (PBO), ultra-high molecular weight polyethylene (UHMWPE) or aromatic polyesters or mixtures thereof. Reinforced fiber materials may be derived in whole or in part from biological and / or recycled sources.

[0079] The thermoplastic chord in accordance with the present application may include the same or different reinforced fibers as the sheath of the composite wire. The thermoplastic strings according to the present application may include the same or different reinforced fibers as the core assembly of the composite wire.

[0080] Reinforced fibers may be contained in thermoplastic strings in the form of monofilament, multiple parallel threads or spun yarn or rope.

[0081] In one embodiment, a reinforced fiber is embedded in a thermoplastic material using a co-extrusion technique. The thermoplastic strings include at least 23 Vol.-% reinforced fibers based on the total amount of thermoplastic strings. In one embodiment, the thermoplastic string includes at least 29 Vol.-% reinforced fibers based on the total amount of thermoplastic string.

[0082] The thermoplastic strings include up to 50 Vol.-% of reinforced fibers based on the total amount of thermoplastic strings. In one embodiment, the thermoplastic string includes up to 45 Vol.-% of reinforced fibers based on the total amount of thermoplastic string. Those familiar with this technique can handle reinforced fibers of any size such as adhesives or adhesives. Those who are familiar with this technique are known such as important binders such as resorcinol-formaldehyde-lastic-(RFL)-impregnated. There are also other binders known based on other chemicals.

[0083] In one embodiment, the reinforcing fiber is centrally located in the thermoplastic chord.

[0084] Thermoplastic chord may be contained in the reinforced fetal lip either alone or in conjunction with the composite wire pursuant to this application and / or with rope, thread or yarn of the same or different material. Thermoplastic strings may be combined with or wiring with other thermoplastic strings and / or with ropes, threads or yarns of the same or different material contained in the reinforced fetal lips by composite wires or wiring pursuant to this application. Brief explanation of the schema

[0085] The diagram shows two embodiments of the composite line and entanglement angle according to the present application. 1 shows a portion of a composite wire in accordance with the present application having a core assembly 1 and two groups of reinforcing threads 2 wound in or braided around the core assembly. The graph shows the entanglement angle α and diameter d defining 0° and 90°. The spacing of the two windings, also known as the entanglement spacing is called a. 2 shows an embodiment of a composite wire according to the present application, wherein having a core assembly 1 and two groups of reinforcing threads 2 wound in the core assembly. The core assembly includes reinforced fibers3. 3 shows an embodiment of a composite wire according to the present application, wherein a reinforcing strand 2 having a core assembly 1 and two groups braided around the core assembly. The core assembly includes reinforced fibers3. Implementation

[0086] [instance]

[0087] In all instances, stiffness measurements have been administered according to section 38 of ASTM D885, with the difference being that only samples made of one rope instead of 10 ropes were tested.

[0088] The stiffness result indicated for each variant is the average of 3 measurements. [Control Case]

[0089] Typical steel wires and ropes used in reinforced tires are provided in order to provide stiffness measurements of the composite wires in accordance with this application, as detailed in Table 1 .

[0090] Table 1: Abbreviations NT - general tensile strength, steel with carbon content up to 0.7%; HT - high tensile strength, steel with carbon content up to 0.8%; ST - ultra-high tensile strength, steel with carbon content up to 0.9%; UT - extremely high tensile strength, steel with carbon content up to 0.96%. "2x0.28 ST" means 2 pieces of 0.28mm HT-grade steel wires are twisted together. "2+1x0.22 HT" means first 2 pieces of 0.22mm thick HT-grade steel wires are twisted together and the resulting rope is twisted with another 0.22mm thick HT-grade steel wire. Structure Rigidity [cN] Weight [dtex] Diameter [mm] 0.22HT 275 29 0.22 0.25HT 425 37 0.25 0.28ST 668 46 0.28 0.30UT 859 53 0.3 2x0.28ST 1247 96 0.56 2x0.30UT 1578 110 0.6 2x0.30ST 1297 110 0.6 2+1x0.22HT 796 90 0.55 2+1x0.28NT 1795 145 0.7 2 + 2 x 0.25 NT 1359 155 0.65

[0091] As can be clearly seen from Table 1, typical steel cables can easily achieve stiffness of up to nearly 1800 cN. [Example]

[0092] In a series of tests, the rigidity data of several composite lines according to this application have been tested. Table 2 lists the values ​​for 18 samples.

[0093] Table 2: Composite yarns obtained from steel wires of this grade with variable thickness (values ​​after the slash, in mm) are embedded in PET monofilaments with variable thickness (values ​​before the slash) as core assemblies wound with two sets of nylon (NY) or PET yarns with variable linear density (third value). All core assemblies are wound with two yarns of the stated linear density. The 940 and 1400 dtex nylon yarns consist of 140 or 210 filaments, respectively. The 1100 and 1670 dtex PET yarns consist of 300 or 446 filaments, respectively. All composite yarns except those marked 1 have been impregnated using the established RFL impregnation procedure. serial number structure tpm rigidity [cN] weight [dtex] diameter [mm] 1 PET / Steel 0.65 / 0.22HT NY940 200 568 87.94 0.9 2 PET / Steel 0.65 / 0.22HT NY1400 200 589 100.87 1.01 3 PET / Steel 0.65 / 0.25NT NY940 200 737 96.25 0.99 4 PET / Steel 0.65 / 0.25NT NY1400 200 767 106.05 1.01 5 PET / Steel 0.70 / 0.28ST NY940 200 1050 105.59 0.95 6 PET / Steel 0.70 / 0.28ST NY1400 200 1171 120.07 1.03 7 PET / Steel 0.73 / 0.30UT NY940 200 1276 123.76 1.02 8 PET / Steel 0.73 / 0.30UT NY1400 200 1362 135.99 1.15 9 PET / Steel 0.73 / 0.30UT NY1400 1 200 1154 133.30 1.19 10 PET / Steel 0.73 / 0.30UT NY1400 100 1451 135.32 1.13 11 PET / Steel 0.65 / 0.22HT PET1100 200 648 91.58 1.02 12 PET / Steel 0.65 / 0.22HT PET1670 200 690 106.57 1.07 13 PET / Steel 0.65 / 0.25HT PET1100 200 841 99.37 1.11 14 PET / Steel 0.65 / 0.25HT PET1670 200 925 114.61 1.08 15 PET / Steel 0.70 / 0.28ST PET1100 200 1105 111.19 1.11 16 PET / Steel 0.70 / 0.28ST PET1670 200 1172 124.86 1.11 17 PET / Steel 0.73 / 0.30ST PET1100 200 1304 129.76 1.1 18 PET / Steel 0.73 / 0.30ST PET1670 200 1406 144.07 1.2

[0094] As shown in Table 2, RFL impregnation is neither necessary nor applicable to steel wires, as it has a significant impact on the rigidity of composite wires.

[0095] Table 3 shows four examples of thermoplastic chords according to this application, in which steel monofilaments of the aforementioned grade with variable thickness (the value after the slash, in mm) are embedded in PET monofilaments with variable thickness (the value before the slash). serial number structure rigidity [cN] weight [dtex] diameter [mm] 19 PET / Steel 0.65 / 0.22HT 438 64.8 0.65 20 PET / Steel 0.65 / 0.25HT 581 70.9 0.65 twenty one PET / Steel 0.70 / 0.28ST 877 82.7 0.7 twenty two PET / Steel 0.73 / 0.30UT 1116 100.4 0.73

[0096] Table 4 - Composite yarns consisting of a PET core (without reinforcing fibers) wound with two strands of aramid yarn having variable thickness in millimeters (values ​​before the slash) and linear density in dtex (values ​​after the slash). All composite yarns except those marked 1 have been impregnated using the established RFL impregnation process. The aramid yarns consist of 500 and 1000 filaments respectively. serial number structure tpm rigidity [cN] weight [dtex] diameter [mm] twenty three PET / AR 0.3 / 840 200 45 27.22 0.47 twenty four PET / AR 0.3 / 840 250 43 27.57 0.5 25 PET / AR 0.3 / 1100 200 50 33.6 0.49 26 PET / AR 0.3 / 1100 250 44 33.82 0.52 27 PET / AR 0.3 / 1680 200 55 46.98 0.71 28 PET / AR 0.3 / 1680 250 55 47.48 0.76 29 PET / AR 0.4 / 840 200 108 35.56 0.55 30 PET / AR 0.4 / 840 250 104 35.68 0.58 31 PET / AR 0.4 / 1680 200 118 55.58 0.74 32 PET / AR 0.4 / 1680 250 114 56.71 0.77 33 PET / AR 0.65 / 840 200 467 66.18 0.83 34 PET / AR 0.65 / 840 250 481 67.16 0.87 35 PET / AR 0.65 / 1680 200 482 87.77 0.94 36 PET / AR 0.65 / 1680 250 477 90.36 0.96 37 PET / AR 0.65 / 1680 1 200 383 85.36 0.96

[0097] The results in Table 4 again show that the number of windings affects the stiffness measured in the composite wire. Furthermore, the comparison between examples 35 and 37 further demonstrates the effect of impregnation on the obtained stiffness.

[0098] 1: Core Components 2: Reinforcing wire 3: Reinforced Fibers

Claims

1. A composite thread for tires, comprising: Thermoplastic monofilaments and sheaths of the core assembly (1) include at least two groups of reinforcing filaments (2) wound around the core assembly; The feature is that the at least two groups of reinforcing wires (2) form a plurality of angles with the core assembly, and the sum of all angles is substantially zero, wherein the core assembly (1) has a diameter of at least 0.6 mm.

2. The composite line of claim 1, wherein the core assembly includes a nucleating agent, which is talc or similar inorganic filler, sodium benzoate, sodium stearate, sodium ion-bonded polymer, metal salt of sulfonamide compound or metal salt of sulfonimide compound, monosodium salt of dicarboxylic acid, or any mixture thereof.

3. The composite wire of claim 1, wherein the at least two groups of reinforcing wires (2) are wound around the core assembly (1).

4. The composite yarn of claim 1, wherein the at least two groups of reinforcing yarns (2) are wound around the core assembly (1), and / or the at least two groups of reinforcing yarns (2) are woven around the core assembly (1).

5. The composite yarn of claim 1, wherein the angle formed between the core assembly (1) and the reinforcing wire (2) of each group is at least ±15 degrees.

6. The composite yarn of claim 1, wherein the core assembly (1) includes reinforcing fibers (3).

7. The composite yarn of claim 6, wherein the reinforcing fibers are contained in the core assembly as at least one fiber bundle, yarn or rope.

8. The composite yarn of claim 6, wherein the reinforcing fiber in the core assembly is a monofilament.

9. The composite thread of claim 6, wherein the reinforcing fiber comprises glass, carbon fiber, steel wire, aluminum wire, polyethylene terephthalate (PET), polyethylene 2,6-naphthalenedicarboxylate (PEN), polyvinyl acetate (PVA), cellulose filaments, polyvinyl alcohol, polyvinyl acetate, polyamide-5, polyamide-6, polyamide-5,6, polyamide-5,10, polyamide-6,6, polyamide-4,10, polyamide-6,10, polyamide-6,8, polyamide-10 or polyamide-11, protein fiber, aromatic polyamide, polyphenylbenzoazole (PBO), ultra-high molecular weight polyethylene (UHMWPE), or aromatic polyester, or copolymers of monomers or mixtures thereof comprising the foregoing materials.

10. The composite thread as claimed in claim 9, wherein the materials contained in the reinforcing fiber are partially or wholly derived from biological and / or recycled sources.

11. The composite line of claim 1, wherein the core assembly (1) comprises polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polyethylene 2,6-naphthalenedicarboxylate (PEN), aromatic polyester, such as para-polyphenylene terephthalamide or meta-polyphenylene isophthalamide. Aromatic polyamides containing isophthalamide, polyvinyl alcohol, polyvinyl acetate, polyphenylbenzoazole (PBO), polyamide-5, polyamide-6, polyamide-6,6, polyamide-5,6, polyamide-4,10, polyamide-6,10, polyamide-6,8, polyamide-10 or polyamide-11, ultra-high molecular weight polyethylene (UHMWPE), polyurethane (PUR) or polyether ether ketone (PEEK), or copolymers of monomers or mixtures thereof containing the foregoing materials.

12. The composite line of claim 11, wherein the materials contained in the core assembly are partially or wholly derived from biological and / or recycled sources.

13. The composite yarn of claim 1, wherein the reinforcing filament (2) comprises glass, carbon fiber, steel wire, aluminum wire, polyethylene terephthalate (PET), polyethylene 2,6-naphthalenedicarboxylate (PEN), polyvinyl acetate (PVA), cellulose filament, polyvinyl alcohol, polyvinyl acetate, polyamide-5, polyamide-6, polyamide-5,6, polyamide-5,10, polyamide-6,6, polyamide-4,10, polyamide-6,10, polyamide-6,8, polyamide-10 or polyamide-11, protein fiber, aromatic polyamide, polyphenylbenzoazole (PBO), ultra-high molecular weight polyethylene (UHMWPE), aromatic polyester, or copolymers of monomers or mixtures thereof comprising the aforementioned materials.

14. The composite yarn of claim 13, wherein the materials contained in the reinforcing wire are partially or wholly derived from biological and / or recycled sources.

15. A reinforcing strip for a pneumatic vehicle tire, comprising at least one composite thread as claimed in any one or more of claims 1 to 14.

16. A reinforced tire bead for a pneumatic automobile tire, comprising at least one composite line as claimed in any one or more of claims 1 to 14.

17. A reinforced tire carcass for a pneumatic vehicle tire, comprising at least one composite thread as claimed in any one or more of claims 1 to 14.

18. A crown belt layer for a pneumatic vehicle tire, comprising at least one composite thread as claimed in any one or more of claims 1 to 14.

19. A pneumatic vehicle tire comprising at least one composite thread as claimed in any one or more of claims 1 to 14.

20. The tire of claim 19, comprising a bead-covered reinforcement element or an outer bead-covered reinforcement element, wherein the bead-covered reinforcement element or the outer bead-covered reinforcement element comprises at least one chord having embedded reinforcing fibers.

21. A thermoplastic chord for a tire, comprising a thermoplastic monofilament having embedded reinforcing fibers, wherein the thermoplastic chord has a diameter of at least 0.6 mm.

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