EP3829845A1 - Matériaux composites recyclés et procédés associés - Google Patents

Matériaux composites recyclés et procédés associés

Info

Publication number
EP3829845A1
EP3829845A1 EP19843254.4A EP19843254A EP3829845A1 EP 3829845 A1 EP3829845 A1 EP 3829845A1 EP 19843254 A EP19843254 A EP 19843254A EP 3829845 A1 EP3829845 A1 EP 3829845A1
Authority
EP
European Patent Office
Prior art keywords
composition
recycled
composite material
composite
wind turbine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19843254.4A
Other languages
German (de)
English (en)
Other versions
EP3829845A4 (fr
Inventor
Don Lilly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gfsi Group LLC
Original Assignee
Gfsi Group LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gfsi Group LLC filed Critical Gfsi Group LLC
Publication of EP3829845A1 publication Critical patent/EP3829845A1/fr
Publication of EP3829845A4 publication Critical patent/EP3829845A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/14—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0404—Disintegrating plastics, e.g. by milling to powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0268—Separation of metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/065—HDPE, i.e. high density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/003—PET, i.e. poylethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B29L2031/085—Wind turbine blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/30—Wind power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • compositions and new products comprising polymers and recycled composite materials, such as fiberglass and other glass fiber- and carbon- fiber reinforced materials, and methods of making the compositions.
  • Wind energy and more specifically the use of wind turbines to generate electricity, is an exploding market.
  • the prospect of recycling wind turbine blades may be attractive and consistent with the notion of wind energy as a "green” power source, it has not previously been technically or economically feasible.
  • experts have regarded wind turbine blades as "unrecyclable” and a problematic source of waste. See Liu et ah, "Wind Turbine Blade Waste in 2050," Waste Management, Vol. 62, pp. 229-240 (April 2017). With the growing importance of wind power in worldwide energy production, this problem will only get worse.
  • Wind turbine blades and other materials comprising fiberglass and other fiber- reinforced materials have long been difficult to recycle into new and useful products. Despite the ongoing recycling efforts, in many cases, large-scale items such as composite windmill turbine blades are simply buried in landfills or burned.
  • the disclosure provides a composition comprising recycled composite material and one or more polymers.
  • the recycled composite material is fiberglass-reinforced composite material, for example, crushed recycled or decommissioned wind turbine blades.
  • the recycled composite material comprises recycled wind turbine blade fibers or powder.
  • the recycled wind turbine blade fibers have a length of about 0.25 mm to about 12 mm.
  • the wind turbine blade powder comprises particles with a maximum dimension of about 0.4 mm to about 3 mm.
  • the one or more polymers is high density polyethylene (HDPE), polyethylene terephthalate (PET), or a combination thereof.
  • HDPE high density polyethylene
  • PET polyethylene terephthalate
  • the composition is made by extrusion of a mixture of one or more polymers and recycled composite material particles.
  • the composition comprises recycled composite material in the amount of about 5% to about 90% of the composition by weight. In certain embodiments, the composition comprises one or more polymers in the amount of about 5% and about 60% of the composition by weight. In some embodiments, the composition comprises about 50 % of HDPE and about 50 % of recycled composite material powder by weight.
  • the disclosure provides composite building material comprising the compositions of the disclosure, such as panel or boards.
  • the building material comprises recycled composite material, polymer resin, water, and a release agent.
  • the building material is prepared from the composition of Claim 1 comprising about 89 wt% of recycled composite material, about 6 wt% of polymer resin, about 4 wt% of water, and about 1 wt% of a release agent.
  • the building material is a panel with a thickness of about 0.5 cm to about 4 cm.
  • FIGETRE 1 depicts a decommissioned wind turbine blade being moved to a recycling facility.
  • FIGETRE 2 is a schematic of wind turbine blade recycling: metal parts are removed and recycled, and the remaining composite body comprising fiberglass composite is processed into recycled composite particles and fibers. In this manner, up to 99% of the blade can be recycled.
  • FIGETRE 3 is a photograph of pelleted exemplary composition comprising HDPE and powdered recycled wind turbine material.
  • FIGETRE 4 is a graph comparing structural properties (modulus of rupture (MOR) and the modulus of elasticity (MOE)) of an exemplary composite panel and OSB/structural and particle/MDF structural panels.
  • the exemplary panel comprises about 89 wt% of a recycled composite material (e.g., fibers), about 6 wt% of polymer resin, about 4 wt% of water, and about 1 wt% of a release agent.
  • FIGETRE 5 is a graph comparing moisture influence properties (water absorption and thickness swell) of an exemplary composite panel and OSB/structural and particle/MDF structural panels.
  • the exemplary panel comprises about 89 wt% of a recycled composite material (e.g., fibers), about 6 wt% of polymer resin, about 4 wt% of water, and about 1 wt% of a release agent.
  • compositions comprising one or more polymers and a recycled composite material, such as particles formed from a reclaimed (or recycled) composite material.
  • a recycled composite material such as particles formed from a reclaimed (or recycled) composite material.
  • the compositions of the present disclosure possess certain advantageous properties such as superior moisture resistance and fire resistance compared to the individual components combined to form the compositions.
  • the compositions comprise recycled composite material which comprises fiberglass fibers or carbon fibers.
  • the composite material is a fiberglass fiber-reinforced material or carbon-fiber-reinforced material.
  • Any suitable composite material can be included in the compositions disclosed herein. Any pre-existing composite products or raw materials that are waste, surplus, or damaged beyond usefulness can be included in the compositions disclosed herein.
  • sources of such materials include cured or uncured scrap and rovings from fiberglass and fiber-reinforced plastic manufacturers and product manufacturers, boat hulls and other marine equipment, composite turbine blades, including windmill blades, and aircraft parts.
  • the input materials are fiber- reinforced materials formed from polyester and styrene resin.
  • Non-limiting examples of fiber materials include fiberglass, graphite, carbon, nylon, and KEVLARTM and other synthetic fibers.
  • recycled composite material particles and “recycled composite material fibers” refer to particles and fibers, respectively, prepared from a variety of such composite materials which comprises fiberglass fibers or carbon fibers.
  • the recycled composite material particles are particles formed from recycled composite turbine blades, including wind turbine blades.
  • Wind turbine blades are typically made of composite fiberglass materials such as fiber- reinforced epoxy or unsaturated polyester.
  • the blades are typically composed of about 70% to about 75% fiberglass by weight and must meet very strict mechanical requirements such as high rigidity and resistance to torsion and fatigue.
  • a standard 35- to 40-meter blade for a 1.5-MW turbine can weigh 6 to 7 tons.
  • Epoxy is generally preferred because it offers stronger mechanical performance for blades longer than 26 m (85 ft).
  • the recycled composite material used to prepare recycled composite material particles can comprise other components, such as wood or polymeric resins.
  • wind turbine blades can comprise, in addition to fiberglass and resin composite, balsa wood and foam.
  • the recycled composite material particles or fibers comprise up to about 85% fiberglass by weight.
  • the recycled composite material particles comprise between about 40% and about 90% fiberglass, between about 50% and about 90% fiberglass, between about 50% and about 75% fiberglass, between about 60% and about 90% fiberglass, or between about 70% and about 90% fiberglass.
  • the recycled composite material used to form the compositions disclosed herein can be broken down into particles by any suitable method, including, as non limiting examples, shredding, crushing, chopping, cutting, ripping, tearing, pounding, grinding or otherwise degrading a composite material to form small pieces of composite material.
  • the small pieces of composite material may then be ground to form smaller particles of composite material.
  • the particles of recycled composite material are produced according to the methods as disclosed in U.S. Pat. No. 9,028,731, which is hereby incorporated by reference as if fully set forth.
  • the particles are separated into size fractions, e.g., by passing through one or more screens or filters.
  • the particles comprise fibers formed from recycled wind turbine blades which are retained by a 40 mesh screen.
  • the particles comprise fibers having a length of about 0.25 mm to about 12 mm. In certain embodiments, the particles have a length of about 0.5 mm to about 12 mm, about 1 mm to about 12 mm, or about 2 mm to about 12 mm.
  • the composite material particles are fine particles with a maximum dimension of about 0.4 mm to about 3 mm. In certain embodiments, the particles have a maximum dimension of about 0.1 mm to about 5 mm, about 0.2 mm to about 3 mm, about 1 mm to about 5 mm, or about 1 mm to about 3 mm. In other embodiments, the particles comprise both fibers and fine particles as described above.
  • the particles of recycled composite material are combined with one or more polymers to form the compositions disclosed herein.
  • the polymers of the compositions disclosed herein are polyester polymers or ethylenic backbone polymers.
  • Exemplary polymers include high density polyethylene (HDPE) and polyethylene terephthalate (PET).
  • the polymer is HDPE.
  • a composition of the disclosure comprises one or more polymers and particles of recycled composite material.
  • the particles of recycled composite material form no more than about 50% by weight of the composition.
  • the particles form about 90%, about 80%, about 70%, about 60%, about 55%, about 50%, about 45%, about 40%, about 30%, about 25%, about 20%, about 15%, about 10%, or about 5% by weight of the composition.
  • the polymer comprises about 60%, about 55%, about 50%, about 45%, about 40%, about 30%, about 25%, about 20%, about 15%, about 10%, or about 5% of the weight of the composition.
  • the composition comprises about 50% of polymer such as HDPE and about 50% of particles of recycled composite material, such as recycled wind turbine blades, by weight. In some embodiments, the compositions comprise up to 90% of recycled composite material particles. In certain embodiments, the compositions comprise about 70% to about 90% of recycled composite material such as particles and/or fibers described above.
  • the compositions disclosed herein are formed by extrusion. Any suitable extrusion method can be used to form the compositions of the disclosure.
  • the compositions are extruded into pellets.
  • a Milacron extruder is used in order to produce the pellets of the compositions disclosed herein.
  • the pellets of the compositions disclosed herein are produced using ECON pelletizing machines.
  • compounding extrusion is used to produce the compositions disclosed herein.
  • Compounding extrusion is a process that mixes one or more polymers with additives, such as powdered recycled composite materials, to give plastic compounds, i.e., compositions of the invention.
  • the feeds in compounding extrusion can be in the form of pellets, powder, and/or liquids, and the product is usually in pellet form, to be used in other plastic-forming processes such as extrusion and injection molding.
  • the composition can be in the form of pellets, as shown in FIGETRE 3. Any suitable extruder can be used to produce the compositions disclosed herein.
  • compositions disclosed herein include additional components.
  • additional components include binders, fillers, resins, catalysts, reinforcements, and strengthening agents.
  • Additional non-limiting examples of components include aggregate solid particulates, aggregate rock, gravel, sand, wood, textiles, pipes, rods, bars, fibers, metals, honeycombs, spacers, fillers, resin, recycled resin, plastic resin, catalysts, recycled polymers, paper fibers, binders, cement, magnesium oxide, water, cement, limestone, granite, chemical additives, and combinations thereof.
  • an additional component is mixed into the polymer-particle mixture.
  • a component is disposed or placed into the form, mold, cast or the like prior to the addition of the mixture.
  • the component is disposed or placed into the form, mold, cast or the like after the addition of the mixture.
  • compositions disclosed herein can be used to produce new composite products that, unlike the starting recycled composite materials used to make the compositions, can be recycled over again and easily turned into other products.
  • the disclosure provides composite products comprising compositions of the disclosure, for example, composite building materials such as siding panels or decking boards.
  • composite products comprising compositions of the disclosure include flooring, siding, partitions, countertops, facade materials, case goods, containers, and pallets.
  • the composite products comprising compositions of the disclosure (e.g., composite building materials) comprise recycled wind turbine blade fibers or particles such as those described above.
  • the fibers have a length of about 0.25 mm to about 12 mm.
  • the composite products of the disclosure comprise recycled wind turbine blade particles and particles prepared from another type of recycled composite material, such as RV panels.
  • the composite building materials comprise recycled composite material (e.g., fibers, fine particles, and/or powder), polymer resin, water, and a release agent.
  • the building material is prepared from a composition comprising about 80 wt% to about 90 wt% of a recycled composite material (e.g., fibers), about 5 wt% to about 10 wt% of polymer resin, about 3 wt% to about 5 wt% of water, and about 0 wt% to about 1.5 wt% of a release agent.
  • the building material is prepared from a composition comprising about 89 wt% of a recycled composite material (e.g., fibers), about 6% of polymer resin, about 4 wt% of water, and about 1 wt% of a release agent. Colorants and other components can be included in the compositions used to make the building materials of the disclosure. In certain embodiments, the building materials can be painted.
  • Any suitable release agent can be used in the preparation of the building material of the disclosure.
  • Application to or inclusion of a release agent in the composition can provide a barrier between the molding surface and substrate, facilitating separation of the cured part, such as a board, from the mold, preventing the substrate from becoming fused to the mold surface.
  • release agents include PVA (polyvinyl alcohol), PTFE (polytetrafluoroethylene), and reactive polysiloxanes.
  • the building material is in the form of panels with a smooth or textured surface and a typical thickness in the range of about 0.3 cm to about 5 cm, about 0.5 cm to about 3 cm, or about 0.5 cm to about 2.5 cm. Thickness of the panel can be tailored to a particular application by those of skill in the art.
  • the panels have a density of about 800 kg/m 3 to about 1100 kg/m 3 . Panels comprising the compositions of the disclosure can be of any suitable for a given application size.
  • the panels are produced from a masterboard (e.g., a masterboard having dimensions of about 6 feet by about 36 feet).
  • the building material is a decking board or tile.
  • the building materials of the disclosure such as composite panels, surprisingly have certain advantageous properties, such as moisture resistance, termite resistance, strength and other mechanical properties.
  • FIGURES 4 and 5 demonstrate that an exemplary panel of the disclosure has properties superior to common wood-based building products such as MDF particleboard and OSB structural paneling. As shown in FIGURE 5, an exemplary panel comprising about 89% of recycled composite material fibers has significantly lower water sorption properties while maintaining the mechanical properties (FIGURE 4).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne des compositions préparées à partir de matériaux composites recyclés. Les compositions peuvent être utilisées pour produire de nouveaux produits composites solides recyclables, y compris des matériaux de construction présentant une solidité et une résistance à l'humidité améliorées.
EP19843254.4A 2018-08-03 2019-08-05 Matériaux composites recyclés et procédés associés Withdrawn EP3829845A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862714460P 2018-08-03 2018-08-03
PCT/US2019/045166 WO2020028914A1 (fr) 2018-08-03 2019-08-05 Matériaux composites recyclés et procédés associés

Publications (2)

Publication Number Publication Date
EP3829845A1 true EP3829845A1 (fr) 2021-06-09
EP3829845A4 EP3829845A4 (fr) 2022-06-22

Family

ID=69232310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19843254.4A Withdrawn EP3829845A4 (fr) 2018-08-03 2019-08-05 Matériaux composites recyclés et procédés associés

Country Status (3)

Country Link
EP (1) EP3829845A4 (fr)
CN (1) CN113165215A (fr)
WO (1) WO2020028914A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7875655B2 (en) 2006-01-20 2011-01-25 Material Innovations, Llc Carpet waste composite
US20170136713A1 (en) 2015-11-13 2017-05-18 James C. Holmes, IV Composite materials and related methods for manufacturing composite materials
US11572646B2 (en) 2020-11-18 2023-02-07 Material Innovations Llc Composite building materials and methods of manufacture
US12053908B2 (en) * 2021-02-01 2024-08-06 Regen Fiber, Llc Method and system for recycling wind turbine blades
DK181029B1 (en) * 2021-03-30 2022-10-07 Leicon Aps Floating foundation for wind turbines and method for manufacturing a floating foundation for wind turbines
SE2200045A1 (en) * 2021-11-16 2023-05-12 Hiform As A composition for a sleeper and methods to produce sleepers based on used wind turbine blades
ES1285027Y (es) * 2021-12-17 2022-04-08 Tecnorenova Reciclaje S L Material de construcción

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6495635B1 (en) * 2000-05-26 2002-12-17 Gerald E. Edson Waterproof, durable products made from recycled rubber products
US7022756B2 (en) * 2003-04-09 2006-04-04 Mill's Pride, Inc. Method of manufacturing composite board
US10227470B2 (en) * 2010-03-15 2019-03-12 Washington State University Recycled composite materials and related methods
CA2793478C (fr) * 2010-03-15 2018-08-28 Global Recycle Solutions, Inc. Materiaux composites recycles et procedes s'y rapportant
US9422423B2 (en) * 2012-12-04 2016-08-23 Rutgers, The State University Of New Jersey Composite articles compression molded from recycled plastic
EP2781539A1 (fr) * 2013-03-19 2014-09-24 Siemens Aktiengesellschaft Composite en plastique à fibres renforcées, procédé de fabrication associé, matériau de départ composite en plastique servant pour la fabrication du composite en plastique à fibres renforcées et composant d'une turbine éolienne comprenant le composite en plastique à fibres renforcées

Also Published As

Publication number Publication date
CN113165215A (zh) 2021-07-23
WO2020028914A1 (fr) 2020-02-06
EP3829845A4 (fr) 2022-06-22

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