WO2013059899A1 - "water and alcohol based refractory paints made with bauxite and alumina fused in arc furnaces and applied in moulds for the fusion of carbon steels, high alloy, low- alloy steels and especially manganese and production process" - Google Patents

"water and alcohol based refractory paints made with bauxite and alumina fused in arc furnaces and applied in moulds for the fusion of carbon steels, high alloy, low- alloy steels and especially manganese and production process" Download PDF

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Publication number
WO2013059899A1
WO2013059899A1 PCT/BR2012/000409 BR2012000409W WO2013059899A1 WO 2013059899 A1 WO2013059899 A1 WO 2013059899A1 BR 2012000409 W BR2012000409 W BR 2012000409W WO 2013059899 A1 WO2013059899 A1 WO 2013059899A1
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WO
WIPO (PCT)
Prior art keywords
fused
bauxite
steels
water
pva
Prior art date
Application number
PCT/BR2012/000409
Other languages
French (fr)
Other versions
WO2013059899A9 (en
Inventor
Fernando Gonçalves DE SOUZA
Original Assignee
De Souza Fernando Goncalves
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 De Souza Fernando Goncalves filed Critical De Souza Fernando Goncalves
Publication of WO2013059899A1 publication Critical patent/WO2013059899A1/en
Publication of WO2013059899A9 publication Critical patent/WO2013059899A9/en

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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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/12—Condensation polymers of aldehydes or ketones
    • 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
    • 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
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/12—Condensation polymers of aldehydes or ketones
    • C04B26/122—Phenol-formaldehyde condensation polymers
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/43—Thickening agents
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • 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

Definitions

  • the proposed solution is provided with novelty requirement with inventive step, since it does not arise from a production process in an obvious manner or from state of the art known refractory paints, being suitable to industrial applicability, meeting the requirements of patentability, especially as a patent of invention, as provided for in Article 8° of Law 9.279.
  • the PI0802952-0 from 7/9/2008 is a compound for removal of paint present on plastic parts and the application process of the same, that according to its features, allows, from the use of an aluminum oxide and synthesized bauxite in the form of spherical or angular grains based compound and a specific application process, the removal of paint present in plastic parts in general.
  • This solution consists of a compound to remove paint and not of a refractory paint.
  • bauxite and fused alumina are known for the production of refractories for furnaces or ladles, in some cases as 100% of the refractory, and in others, they are mixed with other products.
  • the proposal of the present invention brings as biggest novelty, the fact of using a single paint, either alcohol or water based, to fuse all types of steels, thus, doing away with the need to use until three paints to do the same task.
  • object of the claim that consists of a process starting with a mixture stage preferably using sigma or cawles type mixers, where occurs the addition of solvent (alcohol or water), followed by the addition of fasteners and thixotropic agents for about 20 minutes. After this stage, takes place the addition of minerals until the next mixture stage for about 20 minutes, in order to obtain a total homogeneity of the resulting solution.
  • solvent alcohol or water
  • the refractory paint of the present invention has a chemical composition that allows it to be used for any type of steel, being characterized by containing ingredients in the proportions revealed, where:
  • Example 01 water based refractory paint Water: 10-40%
  • Example 02 water based refractory paint Water: 10-40%
  • Example 03 water based refractory paint
  • Example 04 water based refractory paint
  • Example 05 alcohol based refractory paint Alcohol: 10-40% Phenolic resin/pva: 1-8%
  • Example 06 alcohol based refractory paint
  • Example 07 alcohol based refractory paint Alcohol: 10-40%
  • Example 08 alcohol based refractory paint Alcohol: 10-40%
  • Example 09 alcohol based refractory paint Alcohol: 10-40%
  • Phenolic resin/pva 1-8%
  • Thixotropic agent 2-15%
  • Example 10 alcohol based refractory paint

Abstract

The present invention is related to compositions and production process of refractory paints containing fused bauxite and/or fused alumina, PVA and/or phenolic resin, water or alcohol as solvent and thixotropic agent, developed with the purpose of painting males and moulds of silica sand, chromite and zirconium for fusing of carbon steels, high alloy, low alloy steels, manganese and irons and that can be used for all types of steel. These paints may also contain zirconium, magnesite and aluminium silicate.

Description

WATER AND ALCOHOL BASED REFRACTORY PAINTS MADE WITH BAUXITE
AND ALUMINA FUSED IN ARC FURNACES AND APPLIED IN MOULDS FOR THE FUSION OF CARBON STEELS, HIGH ALLOY, LOW-ALLOY STEELS AND
ESPECIALLY MANGANESE AND PRODUCTION PROCESS
The present request of patent of invention of the title above and object of description and claim in this credit title consists of an inventive solution within the scope of the chemical industry for the production of refractory paints to be applied in the painting of males and molds of silica sand, chromite and zirconium for fusing of carbon steels, high alloy, low alloy steels, manganese and irons.
The proposed solution is provided with novelty requirement with inventive step, since it does not arise from a production process in an obvious manner or from state of the art known refractory paints, being suitable to industrial applicability, meeting the requirements of patentability, especially as a patent of invention, as provided for in Article 8° of Law 9.279.
PRINCIPLES OF THE TECHNIQUE: in order to provide veracity to the context explained in the introduction, a brief explanation about the state of the art where it will be possible for a technician who currently deals with the subject to recognize their limiting aspects, for, in later time, discuss the advantages linked to the introduction of this unheard process and obtained product claimed.
In the current refractory paints state of the art, are commonly used minerals such as olivine, zirconium, magnesite, graphite, aluminum silicate, feldspar, etc... These materials are used in pure steel applications or combined into 2 or more minerals in the same mixture.
In their production are made using alcohol as a solvent at a rate of 10-30%; thixotropic agents (2-15%); fasteners (0.5- 10%) and minerals (80% - 35) to be applied by spray, brush, washing or immersion.
These paints show good technical results, but by the fact of having much free silica oxide, they can react in some cases with manganese steels, thus creating defects in fused parts.
With this, to solve such problems, are currently used paints made of zirconium, pure or mixed silicates to fuse carbon steels, low alloy, high alloy steels and stainless steel and, in the case of manganese, paints made of olivine and magnesite are used.
In case of water based paints (10 - 35%), thixotropic agents (3-15%); fasteners (1-15%), and minerals (35-80%), its application can be done successfully in the case of zirconium and pure or mixed aluminum silicates based paints to fuse carbon steels, high alloy, low alloy steels and stainless steel.
For manganese steels, which must be made from magnesite, the main problem comes from magnesite reaction with water, causing the hardening of paint.
In the patent literature, the PI0802952-0 from 7/9/2008 is a compound for removal of paint present on plastic parts and the application process of the same, that according to its features, allows, from the use of an aluminum oxide and synthesized bauxite in the form of spherical or angular grains based compound and a specific application process, the removal of paint present in plastic parts in general. This solution consists of a compound to remove paint and not of a refractory paint.
The application of bauxite and fused alumina is known for the production of refractories for furnaces or ladles, in some cases as 100% of the refractory, and in others, they are mixed with other products.
By the fact of presenting a high content of aluminum oxide and low levels of silica oxide, high melting point (over 2000C) and besides being chemically stabilized by fusion, it made us come to the conclusion that we could use these materials in the production of refractory paints for fusing all types of steels.
The applicant, knowledgeable about the restrictive aspects of current solutions, developed a refractory paint whose new chemical composition allows its use in the fusing of any type of steel.
The proposal of the present invention brings as biggest novelty, the fact of using a single paint, either alcohol or water based, to fuse all types of steels, thus, doing away with the need to use until three paints to do the same task.
This solves the problems of products mixture that generates contaminations, giving a greater control over the application process of the paint since it is a single product.
The biggest problems faced today are the quality controls paints require.
The low refractoriness of magnesite used in manganese steels, and the fact that the same reacts with water causing its hardening. In the case of carbon steels, low alloy, high alloy and stainless steel, this paint replaces with superior performance over materials made from pure zirconium, pure aluminum silicate and even those that are made from the mixture of two products.
With this invention, we have unified a single paint for fusing all types of steels and reducing costs related to conventional paints used.
To consolidate the "WATER AND ALCOHOL BASED REFRACTORY PAINT MADE FROM THE USE OF BAUXITE AND ALUMINA FUSED IN ARC FURNACES AND APPLIED IN THE FUSING OF CARBON STEELS, HIGH ALLOY, LOW-ALLOY STEELS AND ESPECIALLY MANGANESE AND PRODUCTION PROCESS", the applicant reveals a way of elaboration of the present invention through the detailed information below.
For production and obtainment of refractory paint, object of the claim that consists of a process starting with a mixture stage preferably using sigma or cawles type mixers, where occurs the addition of solvent (alcohol or water), followed by the addition of fasteners and thixotropic agents for about 20 minutes. After this stage, takes place the addition of minerals until the next mixture stage for about 20 minutes, in order to obtain a total homogeneity of the resulting solution. The process itself consists of quick and simple mixtures steps.
The refractory paint of the present invention has a chemical composition that allows it to be used for any type of steel, being characterized by containing ingredients in the proportions revealed, where:
Example 01 : water based refractory paint Water: 10-40%
Pva resin: 1-8%
Thixotropic agent: 2-15%
Fused Alumina: 30-85%
Example 02: water based refractory paint Water: 10-40%
Pva resin: 1-8%
Thixotropic agent: 2-15%
Fused bauxite: 30-85%
Example 03: water based refractory paint
Water: 10-40%
Pva resin: 1-8%
Thixotropic agent: 2-15%
Fused Alumina: 20-50%
Fused bauxite: 20-50%
Example 04: water based refractory paint
Water: 10-40%
Pva resin: 1-8%
Thixotropic agent: 2-15%
Fused Alumina: 20-50%
Fused bauxite: 20-50%
Zirconium: 10-40%
Example 05: alcohol based refractory paint Alcohol: 10-40% Phenolic resin/pva: 1-8%
Thixotropic agent: 2-15%
Fused alumina: 30-85%
Example 06: alcohol based refractory paint
Alcohol: 10-40%
Phenolic resin/pva: 1-8%
Thixotropic agent: 2-15%
Fused alumina: 20-55%
Fused bauxite: 20-55%
Example 07: alcohol based refractory paint Alcohol: 10-40%
Phenolic resin/pva: 1-8%
Thixotropic agent: 2-15%
Fused bauxite: 20-85%
Example 08: alcohol based refractory paint Alcohol: 10-40%
Phenolic resin/pva: 1-8%
Thixotropic agent: 2-15%
Fused alumina: 20-55%
Fused bauxite: 20-55%
Zirconium: 10-45%
Example 09: alcohol based refractory paint Alcohol: 10-40%
Phenolic resin/pva: 1-8% Thixotropic agent: 2-15%
Fused alumina: 20-55%
Fused bauxite: 20-55%
Magnesite: 10-45%
Example 10: alcohol based refractory paint
Alcohol: 10-40%
Phenolic resin/pva: 1-8%
Thixotropic agent: 2-15%
Fused alumina: 20-55%
Fused bauxite: 20-55%
Aluminum silicate: 10-50%
It should be highlighted that the present invention does not have its application limited to the purposes and stages herein described. It can be used for other purposes and be produced according to other methods or techniques, however, the main scope are the formulation revealed in this document, regardless it is water or solvent based, solvent, or even solvent free.

Claims

1) The "REFRACTORY PAINT MADE FROM THE USE OF BAUXITE AND ALUMINA FUSED IN ARC FURNACES AND APPLIED IN THE FUSING OF CARBON STEELS, HIGH ALLOY, LOW-ALLOY STEELS AND ESPECIALLY MANGANESE" consists of a chemical composition characterized by formulation (A) Water: 10-40%, Pva Resin: 1-8%, Thixotropic agent: 2-15%, Fused alumina: 30-85%; Formulation (B) Water: 10-40%, Pva Resin: 1-8%, Thixotropic agent: 2-15%, Fused bauxite: 30-85%; Formulation (C) Water: 10-40%, Pva Resin: 1-8%, Thixotropic agent: 2-15%, Fused alumina: 20-50%, Fused bauxite: 20-50%; Formulation (D) Water: 10-40%, Pva Resin: 1-8%, Thixotropic agent: 2- 15%, Fused alumina: 20-50%, Fused bauxite: 20-50%, Zirconium: 10-40%; Formulation (E) Alcohol: 10-40%, Phenolic resin/pva: 1-8%, Thixotropic agent: 2-15%, Fused alumina: 30-85%; Formulation (F) Alcohol: 10-40%, Phenolic resin/pva: 1-8%, Thixotropic agent: 2-15%, Fused alumina: 20-55%, Fused bauxite: 20-55%; Formulation (G) Alcohol: 10- 40%, Phenolic resin/pva: 1-8%, Thixotropic agent: 2-15%, Fused bauxite: 20-85%; Formulation (H) Alcohol: 10-40%, Phenolic resin/pva: 1-8%, Thixotropic agent: 2-15%, Fused alumina: 20-55%, Fused bauxite: 20-55%, Zirconium: 10- 45%; Formulation (I) Alcohol: 10-40%, Phenolic resin/pva: 1- 8%, Thixotropic agent: 2-15%, Fused alumina: 20-55%, Fused bauxite: 20-55%, Magnesite: 10-45%; Formulation (J) Alcohol: 10-40%, Phenolic resin/pva: 1-8%, Thixotropic agent:
PCT/BR2012/000409 2011-10-28 2012-10-18 "water and alcohol based refractory paints made with bauxite and alumina fused in arc furnaces and applied in moulds for the fusion of carbon steels, high alloy, low- alloy steels and especially manganese and production process" WO2013059899A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI1104809A BRPI1104809B1 (en) 2011-10-28 2011-10-28 refractory inks based on water and alcohol made with the use of bauxite and molten alumina in arc furnaces applied in the melting of carbon steel, high alloy, low alloy and especially manganese and production process
BRPI1104809-3 2011-10-28

Publications (2)

Publication Number Publication Date
WO2013059899A1 true WO2013059899A1 (en) 2013-05-02
WO2013059899A9 WO2013059899A9 (en) 2013-07-18

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PCT/BR2012/000409 WO2013059899A1 (en) 2011-10-28 2012-10-18 "water and alcohol based refractory paints made with bauxite and alumina fused in arc furnaces and applied in moulds for the fusion of carbon steels, high alloy, low- alloy steels and especially manganese and production process"

Country Status (2)

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BR (1) BRPI1104809B1 (en)
WO (1) WO2013059899A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399872A (en) * 2014-11-08 2015-03-11 芜湖市鸿坤汽车零部件有限公司 Alcohol-based casting paint containing modified coconut shell powder and manufacturing method thereof
JP2016144770A (en) * 2015-02-06 2016-08-12 株式会社熊谷組 Method for forming refractory coating layer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560629B (en) * 2019-09-20 2021-11-30 宁波江丰电子材料股份有限公司 Coating for smelting and casting high-purity aluminum and preparation method and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1532864A (en) * 1977-09-29 1978-11-22 Ciba Geigy Ag Dressings for foundry moulds and cores
RO95389A2 (en) * 1986-07-03 1989-05-30 Institutul De Cercetare Stiintifica,Inginerie Tehnologica Si Proiectare Pentru Sectoare Calde Si Metalurgie,Ro THIXOTROPIC REFRACTORY PAINT
EP0420781A2 (en) * 1989-09-08 1991-04-03 Bostlan, S.A. Refractory paint for covering foundry moulds
EP0763508A1 (en) * 1995-03-06 1997-03-19 Shinagawa Refractories Co., Ltd. Gunning refractory composition
BRPI0603482A (en) * 2006-08-16 2008-04-08 Refrata Ceramica Refrataria Lt refractory paint composition, application process and use
BRPI0902048A2 (en) * 2009-01-26 2010-11-16 Profusa Ltda apparatus for drying dies and molds by releasing hot air, drying process of refractory and insulating dyes on dies and molds and coating process of dies and molds
BRPI0903811A2 (en) * 2009-07-24 2011-04-19 Profusa Produtos Para Fundicao Ltda refractory powder coating

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1532864A (en) * 1977-09-29 1978-11-22 Ciba Geigy Ag Dressings for foundry moulds and cores
RO95389A2 (en) * 1986-07-03 1989-05-30 Institutul De Cercetare Stiintifica,Inginerie Tehnologica Si Proiectare Pentru Sectoare Calde Si Metalurgie,Ro THIXOTROPIC REFRACTORY PAINT
EP0420781A2 (en) * 1989-09-08 1991-04-03 Bostlan, S.A. Refractory paint for covering foundry moulds
EP0763508A1 (en) * 1995-03-06 1997-03-19 Shinagawa Refractories Co., Ltd. Gunning refractory composition
BRPI0603482A (en) * 2006-08-16 2008-04-08 Refrata Ceramica Refrataria Lt refractory paint composition, application process and use
BRPI0902048A2 (en) * 2009-01-26 2010-11-16 Profusa Ltda apparatus for drying dies and molds by releasing hot air, drying process of refractory and insulating dyes on dies and molds and coating process of dies and molds
BRPI0903811A2 (en) * 2009-07-24 2011-04-19 Profusa Produtos Para Fundicao Ltda refractory powder coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104399872A (en) * 2014-11-08 2015-03-11 芜湖市鸿坤汽车零部件有限公司 Alcohol-based casting paint containing modified coconut shell powder and manufacturing method thereof
JP2016144770A (en) * 2015-02-06 2016-08-12 株式会社熊谷組 Method for forming refractory coating layer

Also Published As

Publication number Publication date
BRPI1104809B1 (en) 2020-04-07
WO2013059899A9 (en) 2013-07-18

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