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WO2023056537A1 - Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau - Google Patents

Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau Download PDF

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Publication number
WO2023056537A1
WO2023056537A1 PCT/BR2021/050437 BR2021050437W WO2023056537A1 WO 2023056537 A1 WO2023056537 A1 WO 2023056537A1 BR 2021050437 W BR2021050437 W BR 2021050437W WO 2023056537 A1 WO2023056537 A1 WO 2023056537A1
Authority
WO
WIPO (PCT)
Prior art keywords
mineral fillers
dolomite
calcium carbonate
types
coating paste
Prior art date
Application number
PCT/BR2021/050437
Other languages
English (en)
Portuguese (pt)
Inventor
Otávio SOETHE BEZA
Voli BEZA
Jadson BEZA
Original Assignee
Soethe Beza Otavio
Beza Voli
Beza Jadson
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 Soethe Beza Otavio, Beza Voli, Beza Jadson filed Critical Soethe Beza Otavio
Priority to PCT/BR2021/050437 priority Critical patent/WO2023056537A1/fr
Publication of WO2023056537A1 publication Critical patent/WO2023056537A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • 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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/02—Emulsion paints including aerosols

Definitions

  • the present patent relates to a new composition for the manufacture of pastes for high viscosity coating.
  • the invention Inserted in the technical field of coating and leveling putties applied in different environments, the invention comprises five types of mineral fillers and three types of polymeric resins, mixed in the most diverse proportions, guaranteeing high fluidity resistance even in pressurized systems and after drying, a high moisture resistance and weighted resistance to submersion in water.
  • Mineral filler corresponds to minerals, or rocks, that are found in nature, such as limestone (calcite, dolomite), phyllite, mica (muscovite, phlogopite, biotite), silica (quartz, zeolite), talc, pyrophyllite (agalmatolite), gypsum, barite, among others.
  • limestone calcite, dolomite
  • phyllite phyllite
  • mica muscovite, phlogopite, biotite
  • silica quartz, zeolite
  • talc pyrophyllite
  • gypsum barite
  • mineral fillers are used due to several reasons: cost reduction, improving processing, density control, optical effects, thermal expansion control, flame retardancy, modifications with regard to the properties of thermal conductivity, electrical resistance and magnetic susceptibility, in addition to improving mechanical properties.
  • Carbonates are commonly used as fillers in polymers. These correspond to ground limestone below 325 pm. These rocks may consist only of the mineral calcite (CaCOs) or a mixture of calcite and dolomite (CaCOs. MgCOs). Other minerals, such as quartz, may appear associated in small amounts. Carbonates help improve the impact strength of composites.
  • CaCOs mineral calcite
  • MgCOs dolomite
  • Other minerals, such as quartz may appear associated in small amounts. Carbonates help improve the impact strength of composites.
  • the addition of fillers in polymer matrices constitutes a direct mixture or blend, and there are different types of operations for its formulation, which can be used, for example:
  • PI 1003700-4 discloses a new composition, which serves to prepare a pasty mass that will be applied on a wooden substrate by extrusion pressure and molded by a matrix, where after drying it becomes a rigid structure, taking the desired shape when which has undergone shaping with a high resistance to moisture and weighted resistance to submersion in water.
  • the product is sent ready for use and the drying time must be respected according to the layer applied, expressed in the product's technical bulletin, after which it gradually hardens, becoming solid after drying, ready for sanding and painting, if necessary.
  • PI 0700947-0 provides a composite consisting of vinyl resin dispersion in water from 28 to 40% - calcium carbonate - from 60 to 72% - and toning paste - from 0 to 5% - whose mixture of these materials or substitute materials must be carried out at low agitation speed - maximum 50 rpm - so that the temperature does not exceed 40°C and a maximum time of 120 minutes is required to homogenize the product.
  • KR20160116955A presents an adhesive composition and a method of producing the same. More specifically, the floor adhesive composition according to an embodiment of the present invention comprises: 35-70% PVA, 15-40% silica, 3-20% desulfurized waste gypsum and 1-10% calcium carbonate .
  • Adhesive in aqueous emulsion based on PVAc with about 20% solid content
  • Adhesive in aqueous emulsion based on PVAc with about 30% solids content.
  • Adhesive in aqueous emulsion based on PVAc with about 45% solids content.
  • the addition of the five mineral fillers (Dolomite; Chalk plaster, Precipitated calcium carbonate; Micronized aluminum hydrosilicate and Natural calcium and magnesium carbonate) combined with polymeric resins (PVAs) guarantee the viscosity, density and transfer power necessary for applications in closed and/or pressurized systems.
  • the mixing process is done in controlled dosages, gradually adding the mineral fillers that are juxtaposed to the PVA resins under constant agitation. If necessary, the viscosity can be changed by adding an aqueous solution in order to adjust the rheological properties of the composition.
  • the composition of the paste can vary, and preferably it should have 30% to 40% of total weight of polymeric resins and 60% to 70% of total weight of mineral fillers.
  • mining charges must also preferably contain 10% to 20% of dolomite and 50% to 60% of calcite.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Forests & Forestry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

La présente technologie, qui relève du domaine technique des masses de recouvrement et de nivellement utilisées dans des environnements variés, consiste en une nouvelle composition pour la fabrication de pâtes de recouvrement à haute viscosité. L'invention comprend cinq types de charges minérales et trois types de résines polymères, mélangées dans les proportions les plus diverses, garantissant une haute résistance à l'écoulement, y compris dans des systèmes sous pression. Les cinq charges minérales utilisées (dolomite, plâtre grès, carbonate de calcium précipité, hydrosilicate d'aluminium micronisé et carbonate de calcium et de magnésium naturel), combinées à des résines polymères (PVA), garantissent la viscosité et la densité nécessaires pour des applications dans des environnements fermés et/ou sous pression.
PCT/BR2021/050437 2021-10-06 2021-10-06 Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau WO2023056537A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/BR2021/050437 WO2023056537A1 (fr) 2021-10-06 2021-10-06 Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2021/050437 WO2023056537A1 (fr) 2021-10-06 2021-10-06 Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau

Publications (1)

Publication Number Publication Date
WO2023056537A1 true WO2023056537A1 (fr) 2023-04-13

Family

ID=85803203

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2021/050437 WO2023056537A1 (fr) 2021-10-06 2021-10-06 Composition appliquée à une pâte de recouvrement présentant une résistance à l'eau

Country Status (1)

Country Link
WO (1) WO2023056537A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883489A (en) * 1972-03-24 1975-05-13 Hoechst Ag Process for the preparation of a dispersible vinyl acetate/ethylene polymer powder
US4735986A (en) * 1985-08-02 1988-04-05 Air Products And Chemicals, Inc. Vinyl acetate/ethylene copolymer emulsions useful as carpet adhesives
US5932647A (en) * 1994-12-08 1999-08-03 Wacker - Chemie Gmbh Wood glue powder
US6749920B1 (en) * 1996-11-12 2004-06-15 Awi Licensing Company High solids, low shrinkage coating
US20080245273A1 (en) * 2007-04-05 2008-10-09 Jouko Vyorkka Hydrophobic coatings
US8263689B2 (en) * 2005-09-14 2012-09-11 Henkel Ag & Co. Kgaa Water-based adhesives for industrial applications
EP3189952B1 (fr) * 2016-01-08 2018-10-03 Omya International AG Planches en bois revêtues en ligne
US20200108524A1 (en) * 2017-04-07 2020-04-09 Omya International Ag In-line coated decorative wood-based boards

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883489A (en) * 1972-03-24 1975-05-13 Hoechst Ag Process for the preparation of a dispersible vinyl acetate/ethylene polymer powder
US4735986A (en) * 1985-08-02 1988-04-05 Air Products And Chemicals, Inc. Vinyl acetate/ethylene copolymer emulsions useful as carpet adhesives
US5932647A (en) * 1994-12-08 1999-08-03 Wacker - Chemie Gmbh Wood glue powder
US6749920B1 (en) * 1996-11-12 2004-06-15 Awi Licensing Company High solids, low shrinkage coating
US8263689B2 (en) * 2005-09-14 2012-09-11 Henkel Ag & Co. Kgaa Water-based adhesives for industrial applications
US20080245273A1 (en) * 2007-04-05 2008-10-09 Jouko Vyorkka Hydrophobic coatings
EP3189952B1 (fr) * 2016-01-08 2018-10-03 Omya International AG Planches en bois revêtues en ligne
EP3400120B1 (fr) * 2016-01-08 2020-07-08 Omya International AG Planches en bois revêtues en ligne
US20200108524A1 (en) * 2017-04-07 2020-04-09 Omya International Ag In-line coated decorative wood-based boards

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Preparações na Pintura Portuguesa dos Séculos XV e XVI [Preparations in Portuguese Painting of the 15th and 16th Centuries]", 1 January 2014, OVERPRINT, Portugal, ISBN: 978-989-96236-2-0, article BÁRBARA CAMPOS MAIA, JOSÉ CARLOS FRADE, ANA CALVO, ANTÓNIO CANDEIAS, JOSÉ MIRÃO, ANA CARDOSO: "Obras de Grao Vasco e da sua oficina [Works by Grão Vasco and his workshop]", pages: 123 - 132, XP009545914 *
EMMANUEL FLORES HUICOCHEA: "Fillers", 24 February 2020, INTECHOPEN, ISBN: 978-1-83962-436-0, article LONG CAO, XIAOJIAN ZHOU AND GUANBEN DU: "Wood Adhesive Fillers Used during the Manufacture of Wood Panel Products", pages: 1 - 9, XP009545220, DOI: 10.5772/intechopen.91280 *
OBAJE S O, OMADA J I, DAMBATTA U A: "Clays and their Industrial Applications: Synoptic Review", INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY, vol. 3, no. 5, 31 May 2013 (2013-05-31), pages 264 - 270, XP093060739, ISSN: 2224-3577 *
QIAO LIJUN, EASTEAL ALLAN J., BOLT CLIVE J., COVENY PHILIP K., FRANICH ROBERT A.: "The effects of filler materials on poly(vinyl acetate) emulsion wood adhesives", PIGMENT AND RESIN TECHNOLOGY, EMERALD, UK, vol. 28, no. 6, 31 December 1999 (1999-12-31), UK , pages 326 - 330, XP009545750, ISSN: 0369-9420, DOI: 10.1108/03699429910302300 *

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