US20150239780A1 - Composition and method of using perlite - Google Patents

Composition and method of using perlite Download PDF

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Publication number
US20150239780A1
US20150239780A1 US14/527,085 US201414527085A US2015239780A1 US 20150239780 A1 US20150239780 A1 US 20150239780A1 US 201414527085 A US201414527085 A US 201414527085A US 2015239780 A1 US2015239780 A1 US 2015239780A1
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Prior art keywords
cement
composition
expanded perlite
powder
adhesive
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US14/527,085
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David BAR MOAV
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SHAHAL BUILDING MATERIALS Ltd (CN 510184229)
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SHAHAL BUILDING MATERIALS Ltd (CN 510184229)
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Assigned to SHAHAL BUILDING MATERIALS LTD. (C.N. 510184229) reassignment SHAHAL BUILDING MATERIALS LTD. (C.N. 510184229) ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Bar Moav, David
Publication of US20150239780A1 publication Critical patent/US20150239780A1/en
Priority to US15/637,185 priority Critical patent/US10399900B2/en
Priority to US16/522,044 priority patent/US20190345365A1/en
Abandoned legal-status Critical Current

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    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/005—Inorganic fillers with a shape other than granular or fibrous
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/14—Minerals of vulcanic origin
    • C04B14/18—Perlite
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/02—Cellulosic materials
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/0625—Polyalkenes, e.g. polyethylene
    • C04B16/0633—Polypropylene
    • 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
    • C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B16/04—Macromolecular compounds
    • C04B16/06—Macromolecular compounds fibrous
    • C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B16/0641—Polyvinylalcohols; Polyvinylacetates
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • C04B24/386—Cellulose or derivatives thereof containing polyether side chains
    • 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
    • C04B28/04—Portland cements
    • 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
    • C04B28/14—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 calcium sulfate cements
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J1/00—Adhesives based on inorganic constituents
    • C09J1/02—Adhesives based on inorganic constituents containing water-soluble alkali silicates
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/14—Minerals of vulcanic origin
    • C04B14/18—Perlite
    • C04B14/185—Perlite expanded
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/10—Accelerators; Activators
    • 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
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00086—Mixtures with prolonged pot-life
    • 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
    • C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
    • 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
    • C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • C04B2111/00672—Pointing or jointing materials
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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
    • C04B2111/40—Porous or lightweight materials
    • 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
    • C04B2111/52—Sound-insulating materials
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives

Definitions

  • the present invention relates to the use of compositions containing expanded perlite. More particularly, the present invention relates to the use of compositions of expanded perlite for the construction industry.
  • Volcanic glass such as perlite
  • molten rock i.e. lava
  • Perlite is known in industry in two forms: crude and expanded. Crude perlite is prepared by the crushing and screening of perlite into various size fractions. Expanded perlite is perlite after it has been heated. When heated, it can expand to as much as twenty times its original volume. This expansion is the result of heated water: when the glassy lava rock is heated to 890° C., the water molecules trapped in the rock turn into vapor which causes the rock to expand, similarly as the water in popcorn cause the kernel to pop when it is heated. It is the presence of these trapped water molecules which accounts for the physical properties of expanded perlite.
  • Expanded perlite can be manufactured to weigh between 32-240 kg/m 3 , making it adaptable for numerous applications in the construction, industrial, chemical, horticultural and petrochemical industries.
  • U.S. Pat. No. 7,736,574 discloses a method for the production of perlite products such as sheets, panels or bricks.
  • the disclosed method involves first providing a quantity of expanded perlite and treating the perlite by applying a cement binder thereto, so as to at least partially encapsulate the perlite with binder. Thereafter, an amount of cement is added to the binder-treated perlite and a mixture is created. The described mixture is then formed and allowed to harden to yield solid articles. Nevertheless, the disclosed method is used for yielding perlite based solid articles.
  • the present invention relates to a powder adhesive composition, for attaching veneer, which comprises at least 10% of expanded perlite of its total volume.
  • the composition further comprises a cellulose ethers compound, a dispersible polymer powder; and a fiber compound.
  • the composition further comprises cement.
  • the cement is white cement.
  • the cement is Portland cement.
  • the composition further comprises an accelerator.
  • the expanded perlite comprises at least 1% of the total mass of the composition.
  • the cellulose ethers compound is a Methocel polymer.
  • the dispersible polymer powder is Wacker's Vinnapas 5025L.
  • the fiber compound is a polypropylene compound.
  • the adhesive composition is used for gluing a tile.
  • the adhesive composition is used for gluing a stone tile.
  • the present invention also relates to a method of producing a powder adhesive for attaching a veneer comprising the steps of (a) providing expanded perlite; (b) providing cement; (c) providing a dispersible polymer powder; and (d) mixing said expanded perlite, said cement, and said dispersible polymer powder, for creating said adhesive for attaching stone veneer.
  • the method further comprises adding an accelerator.
  • the method further comprises adding a cellulose ethers compound.
  • the method further comprises adding a fiber compound.
  • Prior art stone veneer powder adhesives such as BG Bond BG40 or Sika Ceram-202, for gluing ceramic tiles, typically has a density of more than 1400 kg/m 3 .
  • the heavy weight of these prior art adhesives is due, inter alia, to the weight of the sand in the adhesive.
  • the heavy weight of these prior art adhesives is costly in terms of transportation and problematic in terms of handling, e.g. manual carrying.
  • the sand is not dried properly, before it is mixed into the adhesive, some of the adhesive's polymers can be ruined, effectively weakening the adhesive.
  • a composition for use in the construction industry, which uses expanded perlite.
  • the expanded perlite may be used as a substitute for the sand, used in prior art compositions.
  • the composition, which comprises expanded perlite may be used for creating an adhesive, plaster, or any kind of material that hardens on drying and may be used for indoors and/or outdoors gluing on and/or coating walls, ceilings, floors, or for any other construction use.
  • the composition may be used as a powder adhesive, when mixed with water it can be used for gluing natural or synthetic stone tiles to a wall.
  • a powder adhesive composition for a stone veneer which uses expanded perlite instead of sand, may have a density of approximately 500 kg/m 3 , which results in a lighter weight, for the same volume, compared to a typical prior art powder adhesive.
  • the composition, which comprises expanded perlite may have different consistencies such as powder, granular, cream, etc.
  • the composition, which comprises expanded perlite may be stored in sacks, bags, buckets, or any other known container.
  • the expanded perlite comprises at least 80% of the total volume of the composition.
  • the expanded perlite comprises at least 10% of the total volume of the composition.
  • expanded vermiculite may be used instead of expanded perlite.
  • Vermiculite is a hydrous, silicate mineral that is classified as a phyllosilicate and that expands greatly when heated. Vermiculite may be formed by weathering or hydrothermal alteration of biotite or phlogopite
  • the composition, comprising expanded perlite may be used for creating a lightweight powder veneer adhesive.
  • veneer is meant to include any protective or ornamental facing which can be glued to any horizontal or vertical surface.
  • the adhesive may be used for gluing stone such as granite porcelain, ceramic, mosaic, porcelain, marble, brick, or any other synthetic or natural stone to a wall, ceiling, floor or any other surface.
  • the powder adhesive may be mixed with water for creating a glue having cream like texture, which hardens on drying.
  • the glue may be used for gluing any stone tiles as a protective and/or decorative covering for exterior or interior horizontal or vertical surfaces.
  • the powder adhesive composition, for attaching stone veneer comprises at least 9% of expanded perlite of its total mass.
  • the powder adhesive composition, for attaching stone veneer comprises at least 1% of expanded perlite of its total mass.
  • the adhesive composition, for attaching veneer may comprise, in addition to the expanded perlite, a cellulose ethers compound.
  • the cellulose ethers compound may be Methocel, which is water-soluble methylcellulose and has hydroxypropyl methylcellulose polymers, or any other cellulose ether that is made for use with cement.
  • the cellulose ethers compound may be added to the adhesive composition at a ratio of between 30-40% of the mass of the expanded perlite.
  • the cellulose ethers compound may be used to enhance some of the qualities of the adhesive composition such as providing workable quality to the composition and/or extending the open time of the composition, and/or improving the water saturation of the composition, where open time is the time after the adhesive is applied during which a serviceable bond can be made.
  • the adhesive composition for attaching veneer may also comprise a dispersible polymer.
  • the dispersible polymer may be Wacker's Vinnapas 5025L, which is a leveling dispersible powder based on vinyl acetate and ethylene, or any other hydroscopic compound which is dispersible in water.
  • the dispersible polymer may be added to the adhesive composition at a ratio of between 200-250% of the mass of the expanded perlite.
  • the adhesive composition for attaching veneer may also comprise a fiber compound such as Adfil construction fibres or any other polypropylene compound having a fiber Length of 6 mm or any other chemical or synthetic fiber compound which may be used for cement based adhesives.
  • the fiber compound may be added to the adhesive composition at a ratio of between 0.6-0.9% of the mass of the expanded perlite.
  • the adhesive composition for attaching veneer may also comprise cement such as white cement, Portland cement, or any type of cement or aluminous cement.
  • cement may be added to the adhesive composition at a ratio of between 800-950% of the mass of the expanded perlite.
  • the adhesive composition comprising expanded perlite
  • the resulting adhesive composition free of cement may be a light weight adhesive used for indoors gluing. This adhesive may be sold as a cream adhesive.
  • the composition for creating an adhesive for attaching veneer may also comprise an additive for accelerating the bonding time of the adhesive, referred to hereinafter as accelerator.
  • the accelerator may be Calcium Formate, Calcium Chloride, or any other additive that can be used for accelerating the bonding time of the adhesive.
  • the accelerator may be added to the adhesive composition at a ratio of between 5-15% of the mass of the expanded perlite.
  • the expanded perlite and all the other ingredients, mentioned above, of the proposed composition may be mixed together in any order.
  • the powder adhesive composition may be mixed with water to create glue for gluing any synthetic or natural stone tile to any surface.
  • water may be added to the powder adhesive composition in the mass ratio of approximately 1.2:1, meaning that approximately 1.2 liter of water can be added for each 1 kg of powder.
  • water may be added to the powder adhesive composition in the mass ratio of approximately 1:1.
  • water may be added to the powder adhesive composition in the ratio of between 100-130% of the mass of the powder adhesive composition.
  • the expanded perlite, used in the proposed adhesive composition has a granular size of between 0-2 mm, where the preferred density of the expanded perlite is thus between 50-115 kg/m 3 .
  • the proposed adhesive composition comprises expanded perlite having a granular size of between 2-6 mm and having thus a density of between 40-50 kg/m 3 .
  • the expanded perlite, used in the proposed composition may be derived from different sources, and may have other physical properties.
  • expanded perlite instead of sand in construction compositions may also benefit the environment as the perlite is a natural and ecological substance.
  • the use of expanded perlite instead of sand in powder adhesives or plaster may also improve the thermal and/or acoustic insulation properties of the adhesive and/or plaster due to the expanded perlite's improved thermal and/or acoustic insulation properties.
  • a powder adhesive composition of about 9 kg. Water may be added to this powder adhesive composition before gluing the stone veneer. In this example at least 9 liters of water may be added to this composition for creating glue for gluing a stone veneer. In one embodiment, upon adding water to the adhesive composition the resulting glue may be used for gluing tiles to a surface after which the glue may be dried and the tiles may stay attached to the surface henceforth.
  • the powder adhesive composition may weigh less than the typical prior art powder adhesive, which can reduce costs of transportation and handling.
  • the use of expanded perlite instead of sand in powder adhesives may also prolong the open time of the adhesive, after the water is added, effectively making the perlite based adhesive more comfortable for use.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Nanotechnology (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
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US20210355029A1 (en) * 2020-05-15 2021-11-18 TPI Polene Public Company Limited Lightweight fiber-reinforced cement material

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AU2019204874B1 (en) * 2019-07-08 2020-02-06 Shahal Building Materials Ltd A light weight adhesive composition
CN111635188B (zh) * 2020-05-19 2022-02-22 广东东鹏文化创意股份有限公司 一种耐火轻质无机板材及其制备工艺

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US20210355029A1 (en) * 2020-05-15 2021-11-18 TPI Polene Public Company Limited Lightweight fiber-reinforced cement material
US11739026B2 (en) * 2020-05-15 2023-08-29 TPI Polene Public Company Limited Lightweight fiber-reinforced cement material

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EP3495336A1 (de) 2019-06-12
US20170297959A1 (en) 2017-10-19
HRP20191190T1 (hr) 2019-10-04
SI2910535T1 (sl) 2019-08-30
EP2910535B1 (de) 2019-04-03
TR201909878T4 (tr) 2019-07-22
HUE044655T2 (hu) 2019-11-28
DK2910535T3 (da) 2019-07-01
CY1121918T1 (el) 2020-10-14
PL2910535T3 (pl) 2019-10-31
IL231135B (en) 2019-07-31
US20190345365A1 (en) 2019-11-14
PT2910535T (pt) 2019-07-10
EP2910535A1 (de) 2015-08-26
US10399900B2 (en) 2019-09-03
ES2732324T3 (es) 2019-11-21

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