WO2017069643A1 - Formulations de mortier à base de liège exemptes d'agrégats denses - Google Patents

Formulations de mortier à base de liège exemptes d'agrégats denses Download PDF

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Publication number
WO2017069643A1
WO2017069643A1 PCT/PT2016/050022 PT2016050022W WO2017069643A1 WO 2017069643 A1 WO2017069643 A1 WO 2017069643A1 PT 2016050022 W PT2016050022 W PT 2016050022W WO 2017069643 A1 WO2017069643 A1 WO 2017069643A1
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WO
WIPO (PCT)
Prior art keywords
additive
cork
mortar
expanded
lime
Prior art date
Application number
PCT/PT2016/050022
Other languages
English (en)
Portuguese (pt)
Inventor
Luís Filipe Mariz De Matos FERREIRA
Bruno Filipe Oliveira Do NASCIMENTO
David Manuel Pereira MONTEIRO
Ana Luísa Pinheiro Lomelino VELOSA
Original Assignee
David, Diogo E Luís - Argamassas Tradicionais Pré-Doseadas Lda.
Amorim Cork Ventures, Lda.
Universidade De Aveiro
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 David, Diogo E Luís - Argamassas Tradicionais Pré-Doseadas Lda., Amorim Cork Ventures, Lda., Universidade De Aveiro filed Critical David, Diogo E Luís - Argamassas Tradicionais Pré-Doseadas Lda.
Publication of WO2017069643A1 publication Critical patent/WO2017069643A1/fr

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Classifications

    • 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
    • C04B28/10—Lime cements or magnesium oxide cements
    • C04B28/12—Hydraulic lime
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/245—Cork; Bark
    • 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
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • 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
    • C04B28/02—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
    • C04B28/10—Lime cements or magnesium oxide 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
    • 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
    • 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

  • the present invention relates to dense aggregate-free cork-based mortar formulations.
  • the invention further relates to mortars comprising said formulations and applications of such mortars.
  • the invention finds application in the construction industry, particularly in the maintenance and construction of buildings, and its composition is free of dense aggregates, for example silica and calcium carbonate.
  • PT 103641 discloses a mortar consisting of air lime, cork, pozzolans, sand and fibers and uses cork boards to achieve the stated thermal insulation levels.
  • EN 105937 relates to light mortar consisting of limestone or silica
  • FR 2681856 discloses cellular mortars for acoustic insulation based on cork granules, synthetic resin and a mineral material, for example bentonite.
  • thermal behavior mortar with a cement-based binder and granules. cork or expanded polystyrene, with about 20% dense aggregate in its constitution.
  • PT 107173 discloses a mortar consisting of hydraulic lime, cork, silicon dense aggregates and superplasticizer. This formulation does not dispense with dense aggregates.
  • the present invention relates to cork-based mortar formulations comprising: a) 59 to 66% binder;
  • the binders are selected from the group consisting of hydrated aerial lime, natural hydraulic lime, hydraulic lime, Portland cement, natural cement and combinations thereof.
  • the cork material is cork granules or expanded cork granules or a combination of cork granules with expanded cork granules.
  • the additives are selected from the group consisting of thickener additive, adhesive and cohesion additive, hydraulic additive, moisture retaining additive, plasticizer additive, hydrophobic additive, biocidal additive and prey accelerator additive and combinations thereof.
  • the mortar formulations consist of: a) 60 to 63% of binders;
  • the mortar formulation consists of: a) 63.0% natural hydraulic lime;
  • the mortar formulation consists of: a) 4.3% hydrated aerial lime, 55.2% natural hydraulic lime and 6.1% natural cement;
  • the mortar formulation consists of: a) 62.4% hydrated aerial lime;
  • the mortar formulation consists of: a) 62.0% Portland cement;
  • the mortar formulation consists of: a) 46.3% hydraulic lime and 13.3% natural cement;
  • the present invention also relates to a mortar comprising the formulation defined above.
  • the present invention further relates to the use of the mortar of the present invention for application by mechanical projection, injection, manual, or plate making.
  • the present invention relates to dense aggregate-free cork-based mortar formulations for use in the construction industry, particularly in the maintenance and construction of buildings.
  • any X-value presented in the course of the present disclosure should be interpreted as an approximate value of the actual X-value, as such approximation to the actual value would be reasonably expected by one skilled in the art. due to experimental and / or measurement conditions that introduce deviations from the actual value.
  • the ranges of values set forth herein are intended to provide a simplified and technically acceptable way to indicate each individual value within its range.
  • the term “1 to 2" or “between 1 and 2” means any value within this range, for example 1.0; 1.1; 1,2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 2.0. All values mentioned in this description are to be construed as approximate values in the sense previously adopted. For example a reference to "2.3” means "about 2.3".
  • binder refers to one or more products that agglomerate aggregates creating cohesive and mechanically resistant products. Examples are hydrated aerial lime, natural hydraulic lime, hydraulic lime, Portland cement and natural cement. They may have hydraulic properties when they react (harden) with water. If they do not react with water, they are called air binders, as is the case with air docks. Chemically there are differences between the binders: air lime according to NP-EN 459-1 is mainly composed of calcium oxide or hydroxide and slowly hardens in air by reaction with atmospheric carbon dioxide. Since it has no hydraulic properties, this lime does not carbonate in the presence of water. It comes in the form of quicklime or hydrated lime.
  • the preferred air lime in the present invention is hydrated calcitic powder; Natural hydraulic lime is mostly made up of calcium silicates and aluminates and calcium hydroxide. According to NP-EN 459-1, it is a lime produced by burning siltaceous limestone with extinction dust reduction, with or without grinding. Natural hydraulic lime has the property of gaining prey (ie carbonate in the presence of water) and hardening in water. Atmospheric carbon dioxide also contributes to its hardening by reaction with calcium hydroxide.
  • the preferred natural hydraulic lime is NHL 3.5 R, powder; Hydraulic lime can be obtained by mixing between an air lime and a cement.
  • NP-EN 459-1 it is a lime mainly composed of calcium hydroxide, calcium silicates and calcium aluminates, produced with a mixture of suitable materials.
  • Hydraulic lime has the property of setting and hardening in water. Atmospheric carbon dioxide also contributes to its hardening by reaction with calcium hydroxide.
  • the preferred hydraulic lime is HL 5 R powder; and cement, is mainly composed of calcium silicate and aluminate. It is obtained from a mixture of limestone, clay or clay shale, marl or limestone and other materials rich in silica, alumina or iron.
  • cement is a hydraulic binder, ie a finely ground inorganic material which when mixed with water forms a paste which hardens by hydration reactions and processes and which, after hardening, retains its strength. Resistant capacity and stability even under water.
  • the cement Preferred is Portlant CEM I 32.5 R cement and natural cement according to the same standard.
  • ense aggregates in the context of the present description refers to aggregates with normal or heavy density, ie with a density greater than 2000 or greater than 3000 kg / m 3 , respectively, when determined according to EN 1097-6 standard.
  • lightweight aggregates in the context of this description refers, in accordance with EN 13055-1, to aggregates having an oven density of less than or equal to 2000 kg / m 3 , when determined according to EN 1097-6, or at a barity after oven drying of less than or equal to 1200 kg / m 3 when determined in accordance with EN 1097-3.
  • barity is the quotient between the mass of the uncompressed dry aggregate that fills a given container and the capacity of that container.
  • Ultralight aggregates are aggregates with an oven-dryness of less than or equal to 300 kg / m 3 when determined in accordance with EN 1097-3.
  • light aggregates refers to cork material as well as exfoliated vermiculite, expanded perlite, expanded glass or combinations thereof.
  • cork material refers to cork granules, expanded cork granules or combinations thereof.
  • cork granules refers to the product obtained by grinding the suber layer of the cork oak, as well as the product obtained by recycling and subsequent crushing of cork products (natural or agglomerated) such as corks.
  • the particle size used varies between 0,005 and 4 mm, the thermal conductivity is 0,050 W / m. ° C and has a density between 60 and 130 Kg / m 3 .
  • expanded cork granules refers to fragments of black cork obtained after autoclave cooking (using water vapor at a temperature of about 300 to 400 ° C for a time period of 15 to 20 minutes) crushed hawk (ie virgin, secondary or pruned cork subjected to crushing), cork granules, bits, scrap and waste from other industrial cork processing operations.
  • the particle size used in the agglomerated expanded cork used in the present invention varies between 0.005 and 2 mm, the thermal conductivity is 0.040 W / m. ° C and has a density between 60 and 70 kg / m 3.
  • Vermiculite consists mainly of hydrous aluminum and magnesium silicates and is classified as a clay (hydrated phyllosilicate) and does not fit into so-called silicate aggregates.
  • the so-called silicate aggregates are mainly formed by SiO 2 (tectosilicates) and are in the category of dense aggregates, absent from the mortar formulations of the present invention.
  • Vermiculite is an ultralight aggregate when expanded by temperature. It is also commonly termed as exfoliated vermiculitis.
  • Expanded perlite may be included in the composition of the mortar formulations of the present invention as an aggregate and may be termed as hydrated volcanic glass. It is also an ultralight aggregate. Expanded glass is a low density glass, also known as glass microspheres.
  • the mortar formulations of the present invention differ from known prior art mortars in that they do not comprise dense aggregates (silicate and limestone aggregates) and wood or mineral vegetable fibers used in prior art mortars.
  • the mortar formulations of the invention exhibit unexpected physical-mechanical behavior in the absence of dense aggregates, which give traditional mortars the necessary body for their application and performance.
  • the mortar formulations of the invention have additional features such as their low barity and high durability.
  • the mortars of the present invention Due to their physical-mechanical behavior, the mortars of the present invention have a great versatility in their application, allowing them to be made manually, by injection, or by projection on different support materials and surface type, surface and floor. These Mortar formulations provide varying mortar thicknesses up to 75 mm per application layer without prior support regularization and fresh formulation.
  • the mechanical strength of the mortars of the present invention is suitable for rehabilitation or new construction, with good adhesion to traditional (stone masonry) or contemporary (brick masonry) supports and low shrinkage.
  • the presence of additives improves the mechanical characteristics of adhesion, cohesion and compatibility.
  • the mortar formulations of the invention provide both thermal and acoustic enhancement of comfort within the spaces where it is used.
  • Cork-based mortar formulations are characterized by: a) 59 to 66% binder;
  • Binders are selected from the group including hydrated aerial lime, natural hydraulic lime, hydraulic lime, cement.
  • Portland and natural cement and their combinations The selection of the binder and its combinations will depend on the desired characteristics, with the most versatile binder being natural hydraulics. For functions with no mechanical contribution (fillers, in particular) the binder to be selected will be hydrated aerial lime and for floors will be Portland cement, for walls the most suitable binder will be natural hydraulic lime or hydraulic lime.
  • the mechanical characteristics of the substrate should be taken into account and agreement on mechanical properties. These characteristics shall and may be adjusted in the ratio of binder to aggregate.
  • the cork material is cork granulate. In another embodiment, the cork material is granulated expanded cork. In yet another embodiment, the cork material is a combination of cork granules and expanded cork granules.
  • All of the above lightweight aggregates may enter the mortar formulations of the present invention to achieve the desired compactness (minimizing void volume, enhancing binder binding properties) for cork and may be alternatives to each other.
  • the matrix of the mortar formulations of the invention is essentially conferred by cork. It should be noted that all incorporated aggregates contribute with thermal insulation characteristics. This is not the case with dense aggregates. These even have an antagonistic thermal contribution.
  • the density of these materials is quite low and can be considered as ultra-light aggregates as they have a density of less than 300 kg / m 3 .
  • the matrix is imparted by the dense (silicon density greater than 2000 kg / m 3 ) aggregate, where cork, when present, functions as an addition.
  • the additives that are used in the preparation of the mortar formulations of the present invention may be quite varied and have very specific functions.
  • the additives are selected from the group comprising thickener additive, adhesive and cohesion additive, hydraulic additive, moisture retaining additive, plasticizer additive, hydrophobic additive, biocidal additive and prey accelerator additive and combinations thereof.
  • the additives are present in the following proportions:
  • Thickener additive up to 1%.
  • Adhesive and cohesion additive up to 3%.
  • Hydraulic additive up to 12%.
  • Moisture-retaining additive up to 3%.
  • Air introducing additive and plasticizer up to 1%
  • Hydrophobic additive up to 1%.
  • Biocidal additive up to 1%.
  • the adhesive and cohesive additive is selected from the group comprising acrylic, polyvinyl resins or mixtures thereof.
  • the thickener additive is a cellulose derivative selected from the group comprising cellulose ether, methylethylcellulose, modified starch and vegetable fiber and combinations thereof.
  • the hydraulic additive is a natural or artificial pozzolan selected from the group comprising metacaulin, fly ash and natural volcanic ash and their combinations.
  • a clay is used, for example using a phyllosilicate (magnesium silicate).
  • the plasticizer additive is a lauryl sulfate.
  • the hydrophobic additive is a siloxane or a layer thereof.
  • the biocidal additive is titanium dioxide.
  • the setting accelerating additive is selected from the group comprising calcined amorphous alumina.
  • the mortar formulations of the invention consist of: a) 60 to 63% binder;
  • the present invention also relates to mortars comprising the formulations described above.
  • the mortars of the invention are applied by mechanical projection, by injection, manually and may be used in the production of slabs.
  • the mortar obtained has a density of 674 kg / m 3 and has a thermal conductivity of 0,077 W / m. ° C.
  • the formulated mortar has been found to be a lightweight mortar particularly suitable for mechanical projection application on exterior and interior walls.
  • the addition of water should be 0.96 l / kg, and this mortar should be applied by mechanical projection after premixing.
  • the recommended maximum thickness per layer is 75 mm.
  • Table 2 presents the physical-mechanical parameters of the present exemplary formulation:
  • the mortar obtained has a density of 692 kg / m 3 and has a thermal conductivity of 0,088 W / m. ° C.
  • the formulated mortar has been found to be a light mortar particularly suited for manual application in exterior and interior walls.
  • the addition of water should be 0.85 l / kg and mortar should be applied manually after premixing.
  • the mortar obtained has a density of 789 kg / m 3 and a thermal conductivity of 0,070 W / m. ° C.
  • the formulated mortar has been found to be a lightweight mortar particularly suited for injection application, ie it is suitable for filling air-box without thermal insulation such as double perforated brick masonry.
  • the addition of water should be 1.44 l / kg and mortar should be applied by injection after premixing.
  • the mortar obtained has a density of 762 kg / m 3 and has a thermal conductivity of 0,11 W / m. ° C.
  • the formulated mortar has been found to be a lightweight mortar particularly suited for manual floor application.
  • the mortar obtained has a density of 685 kg / m 3 and has a thermal conductivity of 0,094 W / m. ° C.
  • the formulated mortar has been found to be a lightweight mortar particularly suited for the production of insulating boards for exterior wall application.
  • the mixtures obtained incorporate all components and must be suitably bagged so that no binder contact with moisture occurs until the time of mixing on site.
  • Factory sheet molding is possible to produce prefabricated parts using the cork mortar formulations of the present invention.
  • the formulation of example 5 should be used, respecting the production phase, followed by the incorporation of water and its homogenization.
  • the paste obtained should be poured into molds of desired size and thickness and allowed to cure and then stored.
  • the usual size for this product type is 1.2 by 0.6 m and with thicknesses ranging from 40 to 80 mm.
  • the substrate Prior to applying the mortar of the present invention, the substrate must be cleaned and prepared by brushing or chopping so that disaggregated materials and dust are eliminated. Salts, fats and other contaminants should also be eliminated.
  • the substrate should be well moistened the day before application with clean water. On very absorbent substrates, wetting should be repeated before application.
  • the application is made using a "spray gun” device, it is filled with the projection mortar (example 1). Then the gun is directed to the holder to be coated and its trigger is triggered, applying the mortar to the holder. A spraying of mortar (mortar applied to the substrate) should be done beforehand to improve the adhesion of the next layer. Immediately afterwards, the plaster is applied. In case If the thickness is greater than 75 mm, the previous layer must be allowed to dry.
  • the spraying mortar (example 1) is applied using a continuous spraying machine
  • the applicator will pour the mortar into the hopper of the machine. It then directs the tip to the support to be coated and triggers the trigger, thus applying the mortar to the support.
  • a splatter spray should be applied in advance, followed by plastering. If thicknesses greater than 75 mm are desired, the previous layer must be allowed to harden.
  • Example 2 This should be applied, with the aid of a trowel, in layers to the desired thickness.
  • This type of mortar is also used as a complement to other traditional insulations, namely rock wool or polystyrene, as it acts in the air box involving the existing insulation and filling the voids.
  • Example 9 When mortar is to be applied to floors (example 4), it must be poured in place and smoothed manually or with a squeegee until it reaches the desired thickness. Then, with the help of a ruler, the surface is smoothed. When the mortar begins to harden, finish using a trowel.
  • Example 9 When the mortar begins to harden, finish using a trowel.
  • the application of said mortar boards on site must be mechanically nailed, preceded by the manual application of the formulation of example 2 with a spoon. bricklayer to a minimum thickness of 5 mm and a maximum thickness of 10 mm.
  • the goal is to achieve a smooth and smooth surface to support the plates.
  • the plate should be thin layered with the formulation of Example 2, less than 10 mm thick, armed with a stress-relieving mesh (fiberglass mesh or non-woven fabric) in the middle of this last finishing layer.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

La présente invention concerne des formulations de mortier à base de liège exemptes d'agrégats denses, ainsi que les mortiers comprenant lesdites formulations et l'utilisation de ces mortiers. La formulation de mortier de l'invention contient : a) 59 à 66% de liants ; b) 8 à 16% de matériau de liège ; c) 9 à 21% de matériau choisi dans le groupe constitué par la vermiculite exfoliée, la perlite expansée, le verre expansé et leurs combinaisons ; et d) 1 à 22% d'additifs. L'invention trouve une application dans l'industrie de la construction, notamment dans l'entretien et la construction de bâtiments, sa composition étant exempte d'agrégats denses tels que le sable.
PCT/PT2016/050022 2015-10-22 2016-10-21 Formulations de mortier à base de liège exemptes d'agrégats denses WO2017069643A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT10890415A PT108904B (pt) 2015-10-22 2015-10-22 Formulações de argamassa à base de cortiça isentas de agregados densos
PT108904 2015-10-22

Publications (1)

Publication Number Publication Date
WO2017069643A1 true WO2017069643A1 (fr) 2017-04-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023012397A1 (fr) * 2021-08-06 2023-02-09 Tristancho Tello Maria Del Carmen Composition de mortier et son utilisation dans la construction

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FR2550525A1 (fr) * 1983-08-11 1985-02-15 Innobat Composition isolante pour enduits et revetements de construction
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EP1338578A1 (fr) * 2002-01-09 2003-08-27 Petrache Teleman Système de construction avec bétons légers multi-fonctionnels et multi-usages
PT103641A (pt) 2007-01-22 2008-07-22 Cartaxo Fernando Raimundo Simo Argamassas próprias para isolamentos térmicos e acústicos, com cal aérea hidrófugada ou não, com cortiça incorporada
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WO2009019479A1 (fr) * 2007-08-07 2009-02-12 Henry Charles Cursham Composition de mortier de chaux isolant
PT105937A (pt) 2011-10-17 2013-04-17 Secil Martinganca Aglomerantes E Novos Materiais Para A Construcao S A Argamassa leve preparada com granulado de cortiça
PT107173A (pt) 2013-09-20 2015-03-20 Inst Politécnico De Setúbal Argamassa de cal hidráulica, seu processo de obtenção e respectiva utilização

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