WO2024112964A1 - Matériau fabriqué présentant une combinaison d'un matériau de renforcement et d'un matériau à faible point de fusion - Google Patents

Matériau fabriqué présentant une combinaison d'un matériau de renforcement et d'un matériau à faible point de fusion Download PDF

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Publication number
WO2024112964A1
WO2024112964A1 PCT/US2023/081136 US2023081136W WO2024112964A1 WO 2024112964 A1 WO2024112964 A1 WO 2024112964A1 US 2023081136 W US2023081136 W US 2023081136W WO 2024112964 A1 WO2024112964 A1 WO 2024112964A1
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Prior art keywords
fiber
fabric
reinforcement
low melt
reinforcement fiber
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PCT/US2023/081136
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English (en)
Inventor
Jennifer HANNA
Priyadharshan NADUNAYAGAM
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Quantum Materials, Llc
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Publication of WO2024112964A1 publication Critical patent/WO2024112964A1/fr

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/267—Glass
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/275—Carbon fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/573—Tensile strength
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/587—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads adhesive; fusible
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D10B2101/06—Glass
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/10—Inorganic fibres based on non-oxides other than metals
    • D10B2101/12—Carbon; Pitch
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs

Definitions

  • a reinforcement fiber and low melt material such as a thermoplastic polymer and polyester, resulting in a matrix having a low melt and configured for weaving into a fabric without the need for reliance on sheets, that can provide high performance properties in an end product that can include, lighter weight, increased flex, improved impact resistance, and any combination thereof.
  • the material, including a thermoplastic material and reinforcement material, of the present invention can include the combination of a first fiber and low melt fiber that can exhibit any of a high modulus, high tenacity.
  • the material can include a unique crystalline structure including in the multifilament polyolefin fiber, including a reinforcement fiber, and can be combined with a resin or matrix material.
  • the manufacturing process can generally include extruding a polymeric melt, including a polyolefin, at a relatively high throughput and low spin line tension and quenching the filaments in a liquid bath prior to drawing the fiber bundle at a relatively high draw ratio, for example greater than 10, in some embodiments.
  • SUBSTITUTE SHEET (RULE 26) filaments can be combined with a low melt fiber such as one with a melting point below 140°C and process using one or more of automated fiber placement, thermoforming, collaborative composition manufacturing and robotic layup.
  • thermoplastic materials need a manufacturing process where a fiber plus a liquid resin or a matrix system is used. It would be advantageous to have a thermoplastic that used two or more fibers.
  • Figure 1 is a schematic of aspects of the Twisted material.
  • Figure 2 is a flowchart of aspects of making the woven material.
  • Figure 3 is a flowchart of aspects of making the Layup material.
  • Figures 4A through 4E are testing results for aspects of the material.
  • Figures 5A and 5B are testing results for aspects of the material.
  • Figures 6A and 6B are testing results for aspects of the material.
  • Figures 7A and 7B are testing results for aspects of the material.
  • Figures 8A and 8B are testing results for aspects of the material.
  • Figure 9 is testing results for aspects of the material.
  • Figures 10A and 10B are testing results for aspects of the material.
  • Figure 11 is testing results for aspects of the material.
  • Figure 12 is testing results for aspects of the material.
  • Figure 13 is a schematic of aspects of the material.
  • Figures 14 and 15 are schematics of one testing method.
  • Figures 16A and 16B are testing results for aspects of the material.
  • Figure 17 is testing results for aspects of the material.
  • Figure 18 is testing results for aspects of the material.
  • the current invention is a thermoplastic that can include polymer resins that soften when exposed to heat and hardens when cooled.
  • the invention can be thermoplastic so that it can be recycled.
  • the first material can be a reinforcing fiber with properties that are taken from the group consisting of multifilament olefin yam, density 0.84/cc, hydrophobic, resistant to wear, ductile, durable, low dielectric properties, colored, low elongation, low creep, highly crystalline, recyclable and any combination thereof.
  • the resulting thermoplastic can be formed into a matrix material without having to rely upon a resin or matrix material for creation.
  • the use of the reinforcement material can provide for the resulting fiber combination of a reinforcement fiber and second fiber, much as a low melt polyester to provide for properties that include the ability to reduce part fabrication timeline, low moisture uptake, toughness and damage resistance, no refrigeration or autoclave needed for large structure fabrication, ability to re-form parts, low void content, simplified manufacturing processes and methods, less wastage, support for automated manufacturing methods and any combination thereof.
  • SUBSTITUTE SHEET (RULE 26) temperatures than those current in use, improved thermoplastic composite processing options, and less expensive metal tools for processing, reduce or minimize structural failures, have high impact resistance, have a lighter weight than comparable fibers and fiber combinations, have vibration damping properties, dielectric properties, chemical resistance, and any combination.
  • the resulting fiber and fiber combination(s) of the present invention can provide for higher performance thermoplastic material, lower temperature processing, and improved physical and performance properties over existing technologies.
  • the reinforcement fiber can be combined with a low melt fiber wherein the low melt fiber can include a denier of less than about 1 grams/60 meters and the crystallinity according to WAXS measuring techniques can be greater than 50%.
  • the reinforcement fiber can be taken from a group consisting of a polyolefin, a mixture of two or more polyolefins, a polyolefin having a nucleating agent.
  • the low melt fiber can be a multifiber structure and can have a denier between about 10 Denier to1000 Denier, but is not limited to this range.
  • the reinforcement polyolefin can be polypropylene, polyethylene, polybutylene and can be a multifilament yarn.
  • the reinforcement fiber can be any polymeric composition comprising propylene monomers, alone or mixture with other polyolefins, deniers, or other monomers including ethylene, butylene, and the like.
  • the reinforcement fiber can have melt flow indices between about 0.2 and about 50 can be utilized in forming the disclosed multifilament yams.
  • the reinforcement fiber can be made with the process shown in United Patent 7,074,483 which is incorporated by reference.
  • the present invention is created by combining two or more fibers into a resulting fiber.
  • the combination can be accomplished by plying, twisting, air texturing, air entanglement, yarn made via the coating extrusion process,
  • the first fiber can be a reinforcement fiber including a continuous filament yam based on polypropylene resin.
  • This fiber can be a UV-stabilized, opaque fiber with a general-purpose fiber sizing.
  • the yarns are porous and generally cylindrical in form and are chemically stable.
  • the reinforcement fiber is made using a method that can include filament winding, weaving, knitting, braiding, and multiaxial construction.
  • the reinforcement fiber in embodiment, can be unwound for use.
  • the reinforcement fiber can include the following properties shown in Table 1 :
  • the second fiber can be a low melt fiber with a melting point that can be below 140°C so that when heat is applied, the reinforcement fiber shrinkage is reduced or eliminated.
  • the second fiber can include a high flow rate at low temperature including high flow rate at 110°C or less.
  • SUBSTITUTE SHEET (RULE 26) multiple low melt fiber(s) that can be used as the second fiber can include physical properties that are shown in TABLE 2.
  • the reinforcement fiber and the low melt fiber can be combined to form the resulting fiber by taking the reinforcement fiber and the low melt fiber, arranging them in an axial direction. The two or more fibers are then plied.
  • the reinforcement fiber and the low melt fiber are individually twisted, which can result in a ply twisted fiber.
  • loose fibers Prior to twisting or plying, loose fibers can be coalesced into a fiber strip. After twisting or plying, the outer fibers can be compressed towards the inner layers to create centripetal pressure, which can result in the strand gaining friction along the direction of the fiber elongation. Twisting or plying can create compact yarn structures, which have improved resistance to damage occurring from lateral external forces.
  • the outer fiber can be twisted back in an inclined spiral and the fibers twisted and deformed as the yarns are held together.
  • the process can change the structural form and mechanical and physical properties of the fibers, as shown in Figure 1 .
  • the centripetal pressure compresses or squeezes the outer fibers towards the inner layer that can result in a
  • the plying or testing process includes two reinforcement fibers and three low melt fibers that are combined to a yarn.
  • the twist can be applied at 1 .0 - 2.5 twist per inch S or Z at 40.0 -100 twists per meter, but is not limited to this range.
  • the resulting fiber can include a denier of 3080, a tensile strength of 38 lbs, and a tenacity of 5.59 g/d.
  • the tensile strength can be in a range of 30 to 40 lbs.
  • the tenacity can be in a range of 4.50 to 6.50 g/d in one embodiment.
  • another next step in the process includes joining the plied yarn into a fabric that can be used in an application.
  • the fiber can be woven into fabric form, that can consist of 20%-80% or 80-20 percent respectively of reinforcement fiber and low melt fiber.
  • the low melt fiber can melt under heat and pressure to become the matrix of the resulting fiber, whereas reinforcement fiber retains as a reinforcement.
  • the weaving process can be illustrated by reference to Figure 2.
  • reinforcement fiber is supplied to a weaving process on bobbins on a creel and as filling yams at 200.
  • the low melt material such as filaments or fiber, can be provided as 202 and then woven into a pattern at 204.
  • the fabric can be woven on a loom (weaving machine).
  • the weave can be a plain weave or other pattern. Heat can be applied at a temperature higher than the melt temperature of the low melt material but lower than the melt temperature of the core of the reinforcement material at 206 allowing the materials to combine.
  • the manufacturing specifications shown in Table 2 are used:
  • the fabric can be thermoformed using an exemplary process that includes the steps referred to in Figure 3.
  • the composite layup techniques or Peel ply the part prior to bagging is used at 300.
  • the collection is placed in a heater at 302. Heating the heater and the collection can be at about 10°C per minute up to about 150°C at 304. With this process, the collection can heat soak into the thickness at approximately 7 min per 1/8 inch thickness.
  • the dwell time can be at 150°C after a heat soak for about 10 minutes at 306.
  • the heat is removed, and the collection is allowed to cool below 50°C at 308 before removing the collection at 310. This process results in the collection or composition resulting in a desired part.
  • the resulting fabric can exhibit physical properties that can include those shown in Figures 4A to 4E.
  • the resulting material has application for manufacturing part and other structures in industries that include automobile parts, sports equipment, aerospace parts, suitcases, battery enclosures for electric vehicles, impact sheets, ballistic applications, civil constructions, marine applications, plastic equipment (storage boxes, , etc.).
  • the reinforcement fiber can be combined with carbon, glass, aramid, and any combination in conjunction with a low melt fiber
  • the methods in which the reinforcement fiber can be added or combined with a second fiber for a resulting fabric can include adding a third fiber during the plying process that can create a single plied yarn which can be used for weaving.
  • carbon fiber and low melt polyester can be combined at the yarn level and woven.
  • a second reinforcement fiber can be added during the
  • SUBSTITUTE SHEET (RULE 26) weaving process can include using different wrap and fill fiber. Further, additional fibers and fabrics can be used in the layup schedule.
  • the tabs were cut from a glass fiber and epoxy composite and the area of the sample in which the tab is bonded was sanded lightly to introduce roughness and improve bonding to the low surface energy polymer samples.
  • the tabs were rounded at the inner ends to limit stress concentrations and the samples were attached to the tabs.
  • the samples were “double tabbed” to thicken the samples suitably for clamping in the tensile test machine.
  • test was performed using an MTS 647 Hydraulic Wedge Grips tensile machine with a test rate of 2 mm/min. An extensometer was used to measure strain over the first 0.005 mm/mm. Tensile modulus was calculated from 0.001 to 0.003 mm/mm strain. The results are shown in Figures 5A-B and Table 4.
  • the high-performance fiber can be a polypropylene yarn and can exhibit any of a high modulus, high tenacity, and a unique crystalline structure for multifilament polyolefin yarn.
  • the high-performance fiber can be a monofilament fiber as well as multifilament yam formed from various fibers such as
  • the polyolefin can be a filament, fiber or yarn and can be polypropylene, copolymer, a mixture of two or more polyolefins.
  • One of the filaments in a yam can have a greater than 50% crystallinity when measured using wide-angle x-ray scattering (WAXS).
  • WAXS wide-angle x-ray scattering
  • One filament in a yarn can have a ratio of equatorial intensity to meridional intensity greater than about 1 .0 according to measurements using small angle x-ray scattering (SAXS).
  • SAXS small angle x-ray scattering
  • One filament can have a ratio of equatorial intensity to meridionals intensity can be greater than about 3.0.
  • the tensile strength of the sample was found to be in the range of 210 to 239 MPa with an average of 230.08 MPa according to some tests.
  • the module of the sample was found to be in the range of 5.10 GPa to 6.4 GPa with an average of 5.55 according to some tests. Further testing results using the frame tensile machine as shown in Figure 9.
  • a flexure test was performed using an MTS Three Points Bending machine, such as the Instron model 1331 with a test rate of 1 mm per minute. The span length of flexure testing was 28 mm. Using this flexure testing, the results as shown in Figures 10A and 10B. The flexure strength was compared with sample (numbers 1 through 4) as described above and found to have a flexure in the range of 88 to 96 MPa and 92.4 MPa as an average of some tests. The flexure module was compared with samples and found to be in the range of 3.10 GPa to 3.40 GPa and 3.2 GPa as an average of some tests. The test sample can be a thin panel. Further testing results as shown in Figures 11 and 12.
  • an Izod Impact testing system including a Tinius Olsen Izod impact test machine with a pendulum weight of 7.49 J with results shown as shown in Figures 14 and 15, use used to measure the impact resistance of the sample.
  • planes C and D can be parallel to within a range of
  • SUBSTITUTE SHEET (RULE 26) 0.025 mm (0.001 inches) and can be over a distance of 25 mm (1 inch). Testing was performed in accordance with testing standard ASTM D256-10. Panels 1 through 4 include the reinforcement material as described above with the testing sample being the comparative sample. The comparative panels 1 through 4 and the testing sample as shown in Figures 16A-B, 17 and 18 comparing panels 1 through 4 with the test sample. Both notched samples and un-notched samples were tested, and the results shown.
  • the invention can be configured so that it does not undergo chemical property changes when heated or cooled, even when heated and cooled multiple times, thereby allowing for improved recycling properties.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un matériau, qui comprend un matériau thermodurci, comprenant les étapes consistant à : faire intervenir une fibre de renforcement ; combiner une fibre à faible point de fusion avec la fibre de renforcement à l'aide du procédé de dépôt, de torsion, de texturation à l'air, d'enchevêtrement à l'air, de fil fabriqué par l'intermédiaire du processus d'extrusion de revêtement, alors que la zone revêtue présente une masse fondue inférieure à celle du noyau et de la fibre de renforcement, de co-tissage, d'assemblage et toute combinaison de ceux-ci ; et à appliquer de la chaleur à la combinaison pour faire fondre la fibre à faible point de fusion pour former un composite de fibres, un point de fusion de la fibre de renforcement étant supérieur à la température de fonctionnement résultant de l'application de la chaleur. La combinaison de fibres peut être un tissu et peut être hydrophobe. La combinaison de fibres ou le tissu peut comprendre des propriétés choisies dans le groupe constitué par une combinaison thermoplastique plus légère, une résistance à la rupture ou une élimination, une résistance aux chocs accrue, un amortissement des vibrations, une faible conductivité, des défaillances structurales réduites, des propriétés diélectriques et toute combinaison de ceux-ci.
PCT/US2023/081136 2022-11-27 2023-11-27 Matériau fabriqué présentant une combinaison d'un matériau de renforcement et d'un matériau à faible point de fusion WO2024112964A1 (fr)

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US63/385,026 2022-11-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799985A (en) * 1984-03-15 1989-01-24 Hoechst Celanese Corporation Method of forming composite fiber blends and molding same
US20120077397A1 (en) * 2010-09-23 2012-03-29 Saint-Gobain Adfors Canada, Ltd. Reinforcing carbon fibers and material containing the fibers
US20120146253A1 (en) * 2009-09-18 2012-06-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) Method for producing long fiber reinforced thermoplastic resin pellets
US20140335335A1 (en) * 2013-05-07 2014-11-13 Corning Incorporated Scratch-Resistant Articles with Retained Optical Properties
US20150336333A1 (en) * 2012-06-22 2015-11-26 Katholieke Universiteit Leuven Hybrid self-reinforced composite material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799985A (en) * 1984-03-15 1989-01-24 Hoechst Celanese Corporation Method of forming composite fiber blends and molding same
US20120146253A1 (en) * 2009-09-18 2012-06-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) Method for producing long fiber reinforced thermoplastic resin pellets
US20120077397A1 (en) * 2010-09-23 2012-03-29 Saint-Gobain Adfors Canada, Ltd. Reinforcing carbon fibers and material containing the fibers
US20150336333A1 (en) * 2012-06-22 2015-11-26 Katholieke Universiteit Leuven Hybrid self-reinforced composite material
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