WO2023056536A1 - Composition applied to coating paste - Google Patents
Composition applied to coating paste Download PDFInfo
- Publication number
- WO2023056536A1 WO2023056536A1 PCT/BR2021/050436 BR2021050436W WO2023056536A1 WO 2023056536 A1 WO2023056536 A1 WO 2023056536A1 BR 2021050436 W BR2021050436 W BR 2021050436W WO 2023056536 A1 WO2023056536 A1 WO 2023056536A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mineral fillers
- dolomite
- calcium carbonate
- types
- composition applied
- Prior art date
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
- This patent relates to a new composition for manufacturing pastes for high viscosity coating. Inserted in the technical field of coating and leveling putties applied in different environments, the invention comprises five types of mineral fillers and two types of polymeric resins, mixed in the most diverse proportions, guaranteeing high resistance to fluidity even in pressurized systems.
- 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 limestone rocks ground 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 was subjected to modeling.
- 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 20 to 30% - calcium carbonate - from 65 to 75% - and toning - from 0 to 5% - whose mixture of these materials or substitute materials must be carried out at low stirring speed - maximum 50 rpm - so that the temperature does not exceed 45°C and a maximum time of 120 minutes is homogenized 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% desulphurized 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.
- 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.
Abstract
The present technology, pertaining to the technical field of coating and leveling masses applied in various environments, constitutes a new composition for producing high-viscosity coating pastes. The invention comprises five types of mineral fillers and two types of polymer resins mixed in the most diverse proportions, ensuring high resistance to fluidity even in pressurised systems. The five mineral fillers used (dolomite; chalk plaster, precipitated calcium carbonate; micronized aluminium hydrosilicate, calcium carbonate and natural magnesium) combined with polymeric resins (PVAs) achieve the viscosity and density required for uses in closed and/or pressurised environments.
Description
COMPOSIÇÃO APLICADA A PASTA DE RECOBRIMENTO COMPOSITION APPLIED TO COATING PASTE
[001] A presente patente de invenção refere-se a uma nova composição para fabricação de pastas para recobrimento de alta viscosidade. Inserido no campo técnico de massas de recobrimento e nivelamento aplicadas em ambientes diversos, o invento compreende cinco tipo de cargas mineiras e dois tipos de resinas poliméricas, misturadas nas mais diversas proporções, garantido elevada resistência a fluidez mesmo em sistemas pressurizados. [001] This patent relates to a new composition for manufacturing pastes for high viscosity coating. Inserted in the technical field of coating and leveling putties applied in different environments, the invention comprises five types of mineral fillers and two types of polymeric resins, mixed in the most diverse proportions, guaranteeing high resistance to fluidity even in pressurized systems.
Descrição do estado da técnica: Description of the state of the art:
[002] Carga mineral corresponde a minerais, ou rochas, que são encontrados na natureza, tais como o calcário (calcita, dolomita), o filito, a mica (muscovita, flogopita, biotita), sílica (quartzo, zeólita), talco, pirofilita (agalmatolito), gesso, barita, dentre outros. Cada tipo de carga mineral tem propriedades diferentes e estas são influenciadas, por sua vez, pelo tamanho da partícula, pela forma, dureza, composição química, estrutura cristalina etc. [002] 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. Each type of mineral filler has different properties and these are influenced, in turn, by particle size, shape, hardness, chemical composition, crystalline structure, etc.
[003] Em compósitos com polímeros, as cargas minerais são usadas devido a várias razões: redução de custo, melhorar o processamento, controle de densidade, efeitos ópticos, controle da expansão térmica, retardamento de chama, modificações no que se refere às propriedades de condutividade térmica, resistência elétrica e susceptibilidade magnética, além da melhora de propriedades mecânicas. [003] In composites with polymers, 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.
[004] Os carbonatos são comumente utilizados como cargas em polímeros. Esses correspondem a rochas calcárias moídas abaixo de 325 pm. Essas rochas podem ser constituídas apenas pelo mineral calcita (CaCOs) ou por uma mistura de calcita e dolomita (CaCOs. MgCOs). Outros minerais, como o quartzo, podem aparecer associados em pequenas quantidades. Os carbonatos ajudam a melhorar a resistência ao impacto dos compósitos.
[005] Como prática comum, a adição de cargas em matrizes poliméricas constitui uma mistura direta ou blenda, sendo que existem diferentes tipos de operações para sua formulação, podendo ser utilizadas, por exemplo: [004] Carbonates are commonly used as fillers in polymers. These correspond to limestone rocks ground 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. [005] As a common practice, 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:
• Durante a fase de polimerização do polímero; • During the polymerization phase of the polymer;
• Em solução tanto aquosa quanto na presença de solvente; • In aqueous solution or in the presence of solvent;
• Quando o polímero está na temperatura ambiente, acima da Tg (temperatura de transição vítrea) ou da Tm (temperatura de fusão cristalina). • When the polymer is at room temperature, above Tg (glass transition temperature) or Tm (crystalline melting temperature).
[006] Durante o processo de mistura entre a carga mineral e o polímero, devido à força de adesão entre as partículas minerais e à tensão interfacial entre partícula e polímero, as partículas de carga mineral tendem a formar agregados. O controle de sua dispersão e da viscosidade da pasta tornam-se muito importantes para manter ou chegar nas propriedades desejadas. [006] During the mixing process between the mineral filler and the polymer, due to the adhesion force between the mineral particles and the interfacial tension between particle and polymer, the mineral filler particles tend to form aggregates. The control of its dispersion and the viscosity of the paste become very important to maintain or reach the desired properties.
[007] A dificuldade do processamento, controle e parametrização de compósitos com elevadas quantidades de cargas minerais levam as empresas a utilizarem composições com quantidades inferiores desse produto. O que leva, em geral, a uma formulação com menor densidade e viscosidade. Entretanto, algumas aplicações, em especial em sistemas pressurizados, exigem que essas propriedades sejam aprimoradas. O uso das pastas encontradas, no estado da técnica, não consegue suprimir essa demanda. As patentes descritas abaixo reverberam com o exposto. [007] The difficulty of processing, controlling and parameterizing composites with high amounts of mineral fillers lead companies to use compositions with lower amounts of this product. Which leads, in general, to a formulation with lower density and viscosity. However, some applications, especially in pressurized systems, require these properties to be improved. The use of folders found, in the state of the art, cannot suppress this demand. The patents described below reverberate with the above.
[008] PI 1003700-4 divulga uma nova composição, que serve para preparar uma massa pastosa que será aplicada sobre substrato de madeira por pressão de extrusão e moldurada por matriz, onde após seca torna-se uma estrutura rígida, tomando a forma desejada ao qual foi submetida à modelagem. O produto é encaminhado pronto para uso e deve-se respeitar tempo de secagem conforme camada aplica, expressa no boletim técnico do produto, após se endurece gradativamente ficando maciça após seca, pronta para acabamento de lixamento e pintura se preciso. [008] 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 was subjected to modeling. 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.
[009] PI 0700947-0 fornece um compósito constituído por resina vinílica de dispersão em água de 20 a 30% - carbonato de cálcio - de 65 a 75% - e pasta de
tonificação - de O a 5% - cuja mistura destes materiais ou de materiais substitutivos deverá ser efetuada em baixa velocidade de agitação - máximo 50 rpm - para que a temperatura não se exceda a 45^C e no máximo leve o tempo de 120 minutos homogeneizando o produto. [009] PI 0700947-0 provides a composite consisting of vinyl resin dispersion in water from 20 to 30% - calcium carbonate - from 65 to 75% - and toning - from 0 to 5% - whose mixture of these materials or substitute materials must be carried out at low stirring speed - maximum 50 rpm - so that the temperature does not exceed 45°C and a maximum time of 120 minutes is homogenized the product.
[0010] KR20160116955A apresenta uma composição adesiva e um método de produção do mesmo. Mais especificamente, a composição adesiva do piso de acordo com uma personificação da presente invenção compreende: 35-70% de PVA, 15-40% de sílica, 3-20 % de gesso de resíduos dessulfurizastes e 1-10% de carbonato de cálcio.[0010] 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% desulphurized waste gypsum and 1-10% calcium carbonate .
Descrição detalhada da invenção: Detailed description of the invention:
[0011] Com o intuito de fornecer uma nova composição para fabricação de pastas alta viscosidade para recobrimento de perfis de madeira, que pode ser aplicada em máquinas de sistema fechado/pressurizado, a presente solução é proposta. Sua composição abrange cinco tipos de cargas minerais e dois tipos de resina polimérica, sendo estes: [0011] In order to provide a new composition for the manufacture of high viscosity pastes for coating wooden profiles, which can be applied in closed/pressurized system machines, this solution is proposed. Its composition covers five types of mineral fillers and two types of polymeric resin, namely:
• Dolomita; • Dolomite;
• Gesso cré - de secagem lenta; • Slow-drying chalk plaster;
• Carbonato de cálcio precipitado; • Precipitated calcium carbonate;
• Hidrosilicato de alumínio micronizado, com baixa interferência no brilho; • Micronized aluminum hydrosilicate, with low interference in brightness;
• Carbonato de cálcio e Magnésio natural (Calcita e Dolomita); • Calcium carbonate and natural magnesium (Calcite and Dolomite);
• Adesivo em emulsão aquosa, a base de PVAc com cerca de 20% de teor de sólidos; • Adhesive in aqueous emulsion, based on PVAc with about 20% solid content;
• Adesivo em emulsão aquosa, a base de PVAc com cerca de 30% de teor de sólidos. • Adhesive in aqueous emulsion, based on PVAc with about 30% solids content.
[0012] A adição das cinco cargas minerais (Dolomita; Gesso cré, Carbonato de cálcio precipitado; Hidrosilicato de alumínio micronizado e Carbonato de cálcio e Magnésio natural) aliadas as resinas poliméricas (PVAs) garantem a viscosidade, densidade e poder de tranferencia necessárias para aplicações em sistemas fechados e/ou pressurizados. O processo da mistura é feito em dosagens controladas, adicionando paulatinamente as cargas minerais que são justapostas às resinas PVA sob agitação
constante. Caso haja necessidade, a viscosidade pode ser alterada com adição de solução aquosa a fim acertar as propriedades reológicas da composição. [0012] The addition of five mineral fillers (Dolomite; Chalk plaster, Precipitated calcium carbonate; Micronized aluminum hydrosilicate and Natural calcium and magnesium carbonate) together 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 agitation. constant. If necessary, the viscosity can be changed by adding an aqueous solution in order to adjust the rheological properties of the composition.
[0013] De maneira complementar, e de acordo com a necessidade demandada, as composições da pasta podem variar, sendo que preferencialmente deve-se ter de 30% a 40% de peso total de resinas poliméricas e 60% a 70% de peso total das cargas minerais. Ademais, as cargas mineiras devem conter, também preferencialmente, de 10% a 20% de dolomita e de 50% a 60% de calcita. [0013] In addition, and according to the required need, 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. In addition, mining charges must also preferably contain 10% to 20% of dolomite and 50% to 60% of calcite.
[0014] Conforme exposto, existem possibilidades de modificações e adaptações, sendo que a memória descritiva do presente documento não deve ser considerada como limitadora, mas sim como demonstrativa, podendo haver variações nas composições, para aqueles versados na técnica, que sejam equivalentes sem, no entanto, se afastar do escopo de proteção da invenção.
[0014] As explained, there are possibilities for modifications and adaptations, and the descriptive memory of this document should not be considered as limiting, but rather as demonstrative, there may be variations in the compositions, for those versed in the technique, which are equivalent without, however, deviate from the scope of protection of the invention.
Claims
1. COMPOSIÇÃO APLICADA A PASTA DE RECOBRIMENTO, que pode ser aplicada em máquinas de sistema fechado e/ou pressurizado, caracterizado por abranger cinco tipos de cargas minerais e dois tipos de resinas poliméricas, sendo estes: 1. COMPOSITION APPLIED TO COATING PASTE, which can be applied in machines with a closed and/or pressurized system, characterized by comprising five types of mineral fillers and two types of polymeric resins, namely:
• Dolomita; • Dolomite;
• Gesso cré - de secagem lenta; • Slow-drying chalk plaster;
• Carbonato de cálcio precipitado; • Precipitated calcium carbonate;
• Hidrosilicato de alumínio micronizado, com baixa interferência no brilho; • Micronized aluminum hydrosilicate, with low interference in brightness;
• Carbonato de cálcio e Magnésio natural (Calcita e Dolomita); • Calcium carbonate and natural magnesium (Calcite and Dolomite);
• Adesivo em emulsão aquosa, a base de PVAc com 20% de teor de sólidos; • Adhesive in aqueous emulsion, based on PVAc with 20% solid content;
• Adesivo em emulsão aquosa, a base de PVAc com 30% de teor de sólidos. • Adhesive in aqueous emulsion, based on PVAc with 30% solids content.
2. COMPOSIÇÃO APLICADA A PASTA DE RECOBRIMENTO, de acordo com a reivindicação 1, caracterizado pela proporção de uso preferencial perfazer 30% a 40% de peso total de resinas poliméricas e 60% a 70% de peso total das cargas minerais; 2. COMPOSITION APPLIED TO COATING PASTE, according to claim 1, characterized by the proportion of preferential use comprising 30% to 40% of total weight of polymeric resins and 60% to 70% of total weight of mineral fillers;
3. COMPOSIÇÃO APLICADA A PASTA DE RECOBRIMENTO, de acordo com as reivindicações 1 e 2, caracterizado pela cargas mineiras conterem, preferencialmente, de 10% a 20% de dolomita e 50% a 60% de calcita.
3. COMPOSITION APPLIED TO COATING PASTE, according to claims 1 and 2, characterized in that mineral fillers preferably contain 10% to 20% of dolomite and 50% to 60% of calcite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/BR2021/050436 WO2023056536A1 (en) | 2021-10-06 | 2021-10-06 | Composition applied to coating paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/BR2021/050436 WO2023056536A1 (en) | 2021-10-06 | 2021-10-06 | Composition applied to coating paste |
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| Publication Number | Publication Date |
|---|---|
| WO2023056536A1 true WO2023056536A1 (en) | 2023-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BR2021/050436 WO2023056536A1 (en) | 2021-10-06 | 2021-10-06 | Composition applied to coating paste |
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