WO2020000106A1 - Procédé de production de béton à l'aide de plastique recyclé - Google Patents

Procédé de production de béton à l'aide de plastique recyclé Download PDF

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Publication number
WO2020000106A1
WO2020000106A1 PCT/CA2019/050898 CA2019050898W WO2020000106A1 WO 2020000106 A1 WO2020000106 A1 WO 2020000106A1 CA 2019050898 W CA2019050898 W CA 2019050898W WO 2020000106 A1 WO2020000106 A1 WO 2020000106A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic elements
plastic
concrete
cement
sand
Prior art date
Application number
PCT/CA2019/050898
Other languages
English (en)
Inventor
Francesco Piccone
Original Assignee
Piccone Holdings Ltd.
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 Piccone Holdings Ltd. filed Critical Piccone Holdings Ltd.
Publication of WO2020000106A1 publication Critical patent/WO2020000106A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0046—Machines or methods for applying the material to surfaces to form a permanent layer thereon to plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0048—Fibrous materials
    • C04B20/0068—Composite fibres, e.g. fibres with a core and sheath of different material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1055—Coating or impregnating with inorganic materials
    • C04B20/1077—Cements, e.g. waterglass
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/12—Multiple coating or impregnating
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • C04B2111/00534—Coating or impregnation materials for plastic surfaces, e.g. polyurethane foams
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
    • 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
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • Concrete is one of the most widely used building materials in the world.
  • concrete is made up of three basic ingredients: cement (typically, Portland cement), aggregate (typically, a fine and coarse aggregate - i.e. sand and gravel), and water.
  • cement typically, Portland cement
  • aggregate typically, a fine and coarse aggregate - i.e. sand and gravel
  • water When mixed together in appropriate proportions, the cement and water form a paste that coats the surface of the aggregates, and through the chemical reaction of hydration, the paste hardens over time binding the aggregates to form the rock-like material that we know as concrete.
  • Concrete is an ideal building material because it is durable, low maintenance, and resistant to wind, water and fire.
  • the ingredients are easily available in most places, and due to its ability to retain heat, it may also increase the efficiency of buildings.
  • the concrete industry has often been criticized as being unsustainable because of the massive carbon footprint of cement - the key ingredient in concrete.
  • Cement production is one of the world’s biggest greenhouse gas emissions accounting for approximately 5% of annual anthropogenic global C0 2 production. Since the 1950s, 8.3 billion metric tons of plastic have been generated across the world - 6.3 billion metric tons of which have become plastic waste. Of that, 12% has been incinerated and only 9% has been recycled. The vast majority (79%) has ended up in landfills or the natural environment.
  • the filler may include a granular waste, such as dune sand, fly ash, and/or quarry fines.
  • a granular waste such as dune sand, fly ash, and/or quarry fines.
  • U.S. Patent Nos. 6,844,065 to Reddy et al. and 7,025,85 to Pyzik et al. disclose the use of plastic fibers for reinforcing concrete.
  • the plastic fibers are comprised of at least two filaments bonded together such that upon mixing in a concrete mix, the filaments may fray at the ends of the fibers to allow for more surface area of the fiber to bond with the concrete mix and anchor to the resulting concrete.
  • plastic pieces tend to slip out of the resulting concrete due to the smooth and slippery surfaces of the plastic pieces.
  • plastic As polyvinyl chloride (PVC) and other plastics are known to have excellent insulating values and strengths, their use in concrete may improve the thermal efficiency and strength of concrete.
  • Plastic waste is capable of being sorted into different types of plastic such as polyvinyl chloride (PVC) and polystyrene (PS), shredded or comminuted into smaller pieces, and extruded, molded, injection formed or compressed under heat and high pressure into various shapes and sizes, by plastic sorting, recycling and processing facilities.
  • PVC polyvinyl chloride
  • PS polystyrene
  • the processed plastic elements which may include a mixture of different types of plastic of various shapes and sizes, are further treated before being used in appropriate proportions with other aggregates in forming concrete.
  • the processed plastic elements After further treating the processed plastic elements, they are mixed with more cement and a fine aggregate in appropriate proportions to form a concrete mix to form concrete.
  • the invention is a method for producing concrete, comprising the steps of: coating a plurality of plastic elements with at least one of cement and sand by applying glue to the plastic elements and adhering the cement and/or sand to the plastic elements, and mixing the coated plastic elements with cement, an aggregate and water to form a concrete mix.
  • the plastic elements are coated by mixing and drying them in a tumbler along with the cement and/or sand.
  • the glue is vinyl glue diluted with water and the glue is sprayed onto the plastic elements.
  • the cement and/or sand is blown onto the plastic elements.
  • the plurality of plastic elements comprises pieces of comminuted recycled plastic.
  • the pieces have an average footprint of less than 2 square centimeters.
  • Fig. 2 illustrates coating a plurality of plastic elements with cement and/or sand using vinyl glue and a tumbler in accordance with one embodiment of the invention
  • Fig. 3 illustrates mixing the coated plastic elements with a fine standard concrete aggregate, pulverized plastic powder, cement powder and water to form a concrete mix in accordance with one embodiment of the invention
  • Fig. 4 is a cross-sectional view of a concrete column with a plurality of coated plastic elements embedded within in accordance with one embodiment of the invention.
  • plastic As an aggregate in concrete, but the plastic aggregate need not necessarily be recycled.
  • plastic generally includes synthetic materials made from a range of organic polymers such as polyvinyl chloride (PVC), polystyrene (PS) and polyethylene (PE), that can typically be molded into various shapes and sizes while soft and set into more rigid or slightly elastic forms.
  • PVC polyvinyl chloride
  • PS polystyrene
  • PE polyethylene
  • the plastic should be comminuted into small plastic elements 100 suitable for integration into the concrete.
  • the plastic elements 100 may take the form of various shapes and sizes.
  • the plastic elements 100 may be in the form of small fragments 102 having an average footprint of less than 2 square centimeters.
  • the plastic elements 100 may be in the form of 2- to 4-millimeter diameter filaments formed in coils 108, with the coil being approximately 2 to 4 centimeters in length.
  • the plastic elements 100 may also be in the form of elongated straight or curved spaghetti-like rigid filaments 110 and 11 1 , for example having diameters of about 3 to 19 millimeters and lengths in the range of 3 to 7 centimeters.
  • the plastic elements 100 may be in the form of lumps, spheres or quasi-spherical shapes 106 having a diameter of 3 to 19 millimeters to mimic the shape and size of aggregate typically used in the production of concrete. Other shapes and sizes of the plastic elements 100 may also be suitable for use in the invention.
  • plastic waste is received in forms that are not immediately suitable by reasons of their size or shape, they may be processed to produce plastic elements 100 of the desired dimensions.
  • adhesion of the cement powder 112 and/or sand 1 14 to the plastic elements may be accomplished by applying glue 124 onto the plastic elements 100, and running the plastic elements 100 through a mechanical tumbler 1 16 along with cement powder 1 12 and/or sand 1 14 for drying and mixing purposes. Heat may also be applied for drying purposes. As a result of the heat and/or tumbling in the presence of the cement powder 112 and/or sand 114, the plastic elements 100 are dried and become coated with adhered cement powder 1 12 and/or sand 114 to form coated plastic elements 120.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

L'invention concerne un procédé de production de béton isolé thermiquement en faisant usage de plastique traité, et de préférence recyclé, en tant qu'ingrédient agrégé. En particulier, des éléments en plastique sont revêtus de ciment et/ou de sable pour rendre les surfaces des éléments en plastique rugueuses afin de mieux se lier et se mélanger plus uniformément dans un mélange de béton lors de la formation de béton.
PCT/CA2019/050898 2018-06-29 2019-06-27 Procédé de production de béton à l'aide de plastique recyclé WO2020000106A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862692031P 2018-06-29 2018-06-29
US62/692,031 2018-06-29

Publications (1)

Publication Number Publication Date
WO2020000106A1 true WO2020000106A1 (fr) 2020-01-02

Family

ID=68985329

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2019/050898 WO2020000106A1 (fr) 2018-06-29 2019-06-27 Procédé de production de béton à l'aide de plastique recyclé

Country Status (1)

Country Link
WO (1) WO2020000106A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114804691A (zh) * 2022-04-26 2022-07-29 江苏科技大学 一种表面改性再生pvc骨料及包含其的砂浆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744967A1 (de) * 1997-10-12 1999-04-15 Lottermoser Manfred Verfahren zur Herstellung von Leichtbeton
US20020018895A1 (en) * 2000-06-28 2002-02-14 Pyzik Aleksander J. Plastic fibers for improved concrete
US20020050233A1 (en) * 1999-03-15 2002-05-02 Balkum Earl T. Aggregate using recycled plastics

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744967A1 (de) * 1997-10-12 1999-04-15 Lottermoser Manfred Verfahren zur Herstellung von Leichtbeton
US20020050233A1 (en) * 1999-03-15 2002-05-02 Balkum Earl T. Aggregate using recycled plastics
US20020018895A1 (en) * 2000-06-28 2002-02-14 Pyzik Aleksander J. Plastic fibers for improved concrete

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114804691A (zh) * 2022-04-26 2022-07-29 江苏科技大学 一种表面改性再生pvc骨料及包含其的砂浆

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