WO2013097464A1 - 无机干粉建筑涂料及其生产方法 - Google Patents

无机干粉建筑涂料及其生产方法 Download PDF

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Publication number
WO2013097464A1
WO2013097464A1 PCT/CN2012/079966 CN2012079966W WO2013097464A1 WO 2013097464 A1 WO2013097464 A1 WO 2013097464A1 CN 2012079966 W CN2012079966 W CN 2012079966W WO 2013097464 A1 WO2013097464 A1 WO 2013097464A1
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Prior art keywords
dry powder
inorganic dry
architectural coating
inorganic
coating according
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PCT/CN2012/079966
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English (en)
French (fr)
Inventor
郭四龙
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上海墙特节能材料有限公司
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
Priority to US13/981,613 priority Critical patent/US9688861B2/en
Priority to BR112013019197-0A priority patent/BR112013019197B1/pt
Priority to EP12862622.3A priority patent/EP2660294B1/en
Priority to JP2014525292A priority patent/JP2014527563A/ja
Priority to AU2012362756A priority patent/AU2012362756B2/en
Priority to CA2825001A priority patent/CA2825001C/en
Application filed by 上海墙特节能材料有限公司 filed Critical 上海墙特节能材料有限公司
Priority to SG2013057443A priority patent/SG192190A1/en
Priority to KR1020147019232A priority patent/KR20140101861A/ko
Priority to RU2013140487A priority patent/RU2609866C2/ru
Publication of WO2013097464A1 publication Critical patent/WO2013097464A1/zh
Priority to ZA2014/04373A priority patent/ZA201404373B/en
Priority to IN1297MUN2014 priority patent/IN2014MN01297A/en

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C09D1/04Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions 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 alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26Silicates of the alkali metals
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C09D1/02Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/327Aluminium phosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds

Definitions

  • the invention relates to a coating, in particular to an inorganic dry powder architectural coating which has good weather resistance, scrub resistance and no salting whitening phenomenon.
  • Architectural coatings mainly refer to coatings used for exterior walls, interior walls, ceilings, floors, etc., with decorative, protective and residential performance improvements.
  • architectural coatings are mainly water-based coatings
  • water-based coatings are water-based dispersions, including aqueous emulsions and aqueous coatings.
  • the water-based coating composition includes up to 35 ⁇ 55% of water, which requires a lot of manpower, material and financial resources for the packaging and transportation of water-based paints.
  • the shelf life and storage period of water-based paints are short, in order to solve the storage stability of water-based architectural coatings. Sex, that is, stratification, thickening, etc. during storage, also requires high cost and specialized technology.
  • Wacker Chemie AG has developed dispersible polymer powders to make it possible to dry paint.
  • Dry powder coatings generally dry the emulsion into a powder by a special process, which changes the way of production and storage, reduces production costs, is convenient and safe for packaging and transportation, and has a long storage period and long shelf life. It is formulated with an alcohol-based or water-based coating or solvent.
  • Quick-drying coating adaptable, easy to use; and saves the chemical additives that must be added in general coatings, not only solves environmental pollution problems, but also saves resources, thus it has been widely applied and developed.
  • the architectural coating products the early development and the most valuable value are thick dry powder coatings, such as powdered putty, powdered melamine coating, powder waterproof coating and thermal insulation coating.
  • Thin-layer dry powder architectural coatings are mainly applied by on-site water mixing and roller coating and brushing. Therefore, unlike thick coatings, thin-layer dry powder architectural coatings can be divided into two categories, one is pure redispersible powder.
  • the dry powder coating of the system the other type is a dry powder coating (inorganic dry powder coating) composed of redispersible rubber powder and inorganic powder such as gypsum, slaked lime and cement.
  • Inorganic dry powder coatings are generally added to inorganic film-forming components such as cement, lime or gypsum.
  • the scrubbing resistance and aging resistance have been greatly improved and improved. They have the advantages of anti-freezing and anti-fungal, and are resistant to wet-washing and sticking. It has good performance in terms of knot and water resistance.
  • inorganic dry powder architectural coatings have occupied an eye-catching position.
  • the environmentally-friendly dry powder coating disclosed in Chinese patent CN100558834C is mainly composed of dispersible polymer powder and white cement, which saves many additives in the latex paint and reduces volatile organic compounds;
  • the cement-based dry powder coating disclosed in Chinese Patent CN101230214B It consists of white cement, dispersible polymer powder and additives which make the coating have melamine effect and luminous effect. It has good durability.
  • the gypsum-based inorganic dry powder disclosed in Chinese patent CN102173710A includes gypsum powder, white cement and polyethylene. Components such as alcohol micropowder solve the problem of poor durability of traditional dry powder coatings through chemical bonds and actions.
  • the present invention provides an inorganic dry powder architectural coating which is excellent in scrubbing resistance and weather resistance, has no whitening phenomenon, and a production method of the inorganic dry powder architectural coating.
  • a first aspect of the present invention provides an inorganic dry powder architectural coating comprising an inorganic gel system and a redispersible powder.
  • pigments, and/or fillers may also be added.
  • the inorganic gel system includes an alkali metal silicate and a curing agent, and the curing agent refers to a substance capable of forming a crosslinked solid body with the alkali metal silicate.
  • the alkali metal silicate according to the present invention refers to a metal silicate of Group IA of the Mendeleev period, preferably comprising any one of sodium silicate, potassium silicate, lithium silicate or Several mixtures.
  • the curing agent is preferably a mixture of any one or more of a fluorosilicate, a phosphate (including a condensed phosphate), a borate, a metal oxide, and a metal hydroxide.
  • the metal oxide and the metal hydroxide are each preferably an oxide or a hydroxide of any one or more of the metals IA, ⁇ , ⁇ and IIB, IB of the Mendeleev periodic table. .
  • the fluorosilicate, phosphate, and borate are each further preferably fluorosilicic acid of any one or more of IA, ⁇ , ⁇ and IIB, IB groups of the Mendeleev periodic table. Salt, phosphate, borate.
  • the curing agent most preferably comprises A1 2 0 3 , Zn0, Mg0, sodium fluorosilicate, potassium fluorosilicate, lithium fluorosilicate, magnesium fluorosilicate, fluorosilicic acid. a mixture of any one or more of aluminum, aluminum phosphate, potassium phosphate, sodium phosphate, magnesium phosphate, condensed aluminum phosphate, aluminum borate, potassium borate, sodium borate, magnesium borate.
  • the redispersible rubber powder is obtained by drying a polymer emulsion
  • the polymer may be an olefin, a diene, an acrylic acid, an acrylic resin, a methacrylic acid or a methyl group.
  • polystyrene copolymer examples include polyvinyl acetate, vinyl acetate/ethylene copolymer (EVA), vinyl acetate/propylene copolymer, vinyl acetate/butadiene copolymer, vinyl acetate/styrene copolymer , styrene/butadiene copolymer, acrylate/styrene copolymer, acrylate/vinyl acetate/higher fatty acid vinyl ester terpolymer, vinyl acetate/higher fatty acid vinyl ester copolymer, ethylene/vinyl chloride/ Vinyl laurate terpolymer, vinyl acetate/ethylene/higher fatty acid vinyl ester terpolymer, polyacrylic acid, polyacrylate, polymethacrylic acid, polymethacrylate, and the like.
  • EVA vinyl acetate/ethylene copolymer
  • EVA vinyl acetate/propylene copolymer
  • the pigment may be white or light colored, or may be inorganic or organic pigments of other colors, such as titanium white powder, iron oxide red, iron oxide yellow, iron oxide black, and stand.
  • De powder co-precipitate of zinc sulfide and barium sulfate), carbon black, cadmium red, cadmium yellow, lead chrome yellow, chromium oxide green, iron blue, zinc oxide, zinc yellow, cobalt blue; organic pigments such as the main structure A pigment of cyanine, an azo pigment, a pigment having a main structure of quinacridone or the like.
  • the filler is an inorganic filler, preferably comprising silicon oxide, silicate, carbonate, carbide, sulfate, sulfide, nitride, metal oxide, metal hydroxide. Any one or a mixture of metals, such as silicon carbide, boron nitride, wollastonite, alumina, barium sulfate, calcium carbonate (which may be light calcium carbonate and/or heavy calcium carbonate), Talc powder, mica powder, Bentonite, ash calcium powder, aluminum silicate (preferably ultrafine aluminum silicate), quartz powder, calcite, and the like.
  • an auxiliary agent which can be used for a coating such as an antifoaming agent, a dispersing agent, a thickening agent, a wetting agent, a film forming auxiliary agent, a mold inhibitor, a water repellent agent, etc., may be added.
  • An additive capable of improving the performance of the inorganic dry powder architectural coating may be added.
  • the antifoaming agent may be any one or a mixture of silicone oil, mineral oil, polyether, polyether modified silicone oil, higher aliphatic alcohol, and organic alcohol phosphate.
  • the dispersing agent may be an anionic water-soluble surfactant such as a carboxylate (R_C00M), a sulfate salt (R_0-S0 3 M), a sulfonate (R-S0 3 M ) , or a nonionic water-soluble surfactant .
  • a surfactant such as Y-(CH 2 -CH 2 -0) n -X; may also be a homopolymer or copolymer of a vinyl carboxylic acid or a salt or ester thereof, or a copolymer with other vinyl monomers Or phosphate, such as sodium hexametaphosphate.
  • R is C 5 ⁇ C 3 .
  • the hydrocarbon group having a carbon chain length is preferably C 5 to C 3 .
  • Directly connected and/or branched alkyl groups, X and Y are capping groups which are not ionizable in water, and may be the same or different, such as 11, R-C00-, etc., n is the degree of polymerization.
  • the thickener may be subjected to cellulose and/or a derivative thereof, such as methyl cellulose, carboxymethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, etc.; It is a polyacrylic acid and/or a derivative thereof, such as polyacrylate, polymethacrylic acid, polymethacrylate or the like; or an associative polyurethane thickener; or an inorganic thickener such as bentonite.
  • cellulose and/or a derivative thereof such as methyl cellulose, carboxymethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, etc.
  • It is a polyacrylic acid and/or a derivative thereof, such as polyacrylate, polymethacrylic acid, polymethacrylate or the like; or an associative polyurethane thickener; or an inorganic thickener such as bentonite.
  • the wetting agent such as polysiloxane, polyether modified polydimethylsiloxane, polyester modified polydimethylsiloxane, fluorosurfactant, polyether, and the like.
  • the antifungal agent such as a quaternary ammonium salt, a quaternary phosphonium salt, an anthraquinone, a biguanide, a pyridine, an imidazole, an isothiazolinone, a phenol, and a derivative thereof; or a metal such as Ag + , Cu 2+ or Zn 2+
  • the ion is an antifungal agent of the active ingredient, or an active oxide such as Zn0 or Ti0 2 .
  • the water repellent is preferably a silicone water repellent such as sodium methyl silanolate.
  • the film-forming auxiliary agent refers to a substance which can improve the coalescence performance and can form a film in a wider temperature range during the construction of the inorganic dry powder architectural coating of the present invention, and can be a glycol or a glycol monoether. , glycol monoether carboxylate, etc., such as ethylene glycol, propylene glycol monobutyl ether, propylene glycol monomethyl ether acetate, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyl ester, etc. .
  • Redispersible powder 5 (150.
  • Alkali metal silicate 100 150 Alkali metal silicate 100 150
  • Redispersible powder 7 (Tl20. Or it can also include:
  • a second aspect of the present invention provides a method for producing the above inorganic dry powder architectural coating, which comprises the steps of: adding a powdery alkali metal silicate, a powdery curing agent and a redispersible rubber powder, or further adding a powdery pigment, Dry blending with powdered fillers and/or powdered auxiliaries to form inorganic dry powder architectural coatings.
  • the powdery alkali metal silicate, the powdery curing agent, the redispersible rubber powder, the pigment, the filler, the auxiliary agent, and the weight ratio of these materials are all described above.
  • the inorganic dry powder architectural coating of the invention is applied to a building after being stirred with water, and has been tested and tested, has good scrub resistance, weather resistance, and no whitening phenomenon, and can reach the Chinese JG/T26-2002 standard, that is, It overcomes the defects of poor scrubbing resistance and weather resistance of dry powder coatings of pure rubber powder system, and solves the problem of whitening of cement and lime-based rubber powder system coatings.
  • V0C volatile organic compounds
  • the inorganic dry powder architectural coating of the invention is convenient to produce and use, and has low cost. detailed description
  • the inorganic dry powder architectural coating of the present invention comprises the following components:
  • An alkali metal silicate refers to a silicate of a metal of Group IA, including any one or a mixture of sodium silicate, potassium silicate, and lithium silicate.
  • a curing agent comprising a mixture of any one or more of a fluorosilicate, a phosphate (including a condensed phosphate), a borate, a metal oxide, and a metal hydroxide.
  • the metal oxide or metal hydroxide may be an oxide or a hydroxide of any one or more of IA, ⁇ , ⁇ and IIB, IB of the Mendeleev periodic table.
  • the fluorosilicate, phosphate, borate may be a fluorosilicate of any one or more of the metals IA, ⁇ , ⁇ and IIB, IB of the Mendeleev periodic table, Phosphate, borate.
  • curing agent examples include: A1 2 0 3 , Zn0, M g 0, sodium fluorosilicate, potassium fluorosilicate, lithium fluorosilicate, magnesium fluorosilicate, aluminum fluorosilicate, aluminum phosphate, potassium phosphate, Sodium phosphate, magnesium phosphate, condensed aluminum phosphate, boric acid Any one or a mixture of aluminum, potassium borate, sodium borate, magnesium borate.
  • Component 1) and component 2) constitute an inorganic gel system.
  • a redispersible rubber powder obtained by drying a polymer emulsion, which may be an olefin, a diene, an acrylic acid, an acrylic resin, a methacrylic acid or a methacrylic acid ester. And a mixture of any one or more of a homopolymer, a binary copolymer, and a terpolymer obtained by polymerizing a fatty acid vinyl ester.
  • polystyrene copolymer examples include polyvinyl acetate, vinyl acetate/ethylene copolymer, vinyl acetate/propylene copolymer, vinyl acetate/butadiene copolymer, vinyl acetate/styrene copolymer, styrene /butadiene copolymer, acrylate/styrene copolymer, acrylate/vinyl acetate/higher fatty acid vinyl ester terpolymer, vinyl acetate/higher fatty acid vinyl ester copolymer, ethylene/vinyl chloride/lauric acid Vinyl ester terpolymer, vinyl acetate/ethylene/higher fatty acid vinyl ester terpolymer, polyacrylic acid, polyacrylate, polymethacrylic acid, polymethacrylate, and the like.
  • a filler for reinforcing the inorganic dry powder architectural coating the filler being an inorganic filler, preferably comprising silicon oxide, silicate, carbonate, carbide, sulfate, sulfide, nitride, metal oxide Any one or a mixture of metals, metal hydroxides, metals, such as silicon carbide, boron nitride, wollastonite, alumina, barium sulfate, calcium carbonate (which may be light calcium carbonate and/or heavy Calcium carbonate), calcium silicate, calcium sulfate, talc, mica powder, bentonite, lime calcium powder, aluminum silicate (preferably ultrafine aluminum silicate), quartz powder, diatomaceous earth, calcite, and the like.
  • an inorganic filler preferably comprising silicon oxide, silicate, carbonate, carbide, sulfate, sulfide, nitride, metal oxide Any one or a mixture of metals, metal hydroxides, metals, such as silicon
  • the pigment may be white or light colored, or may be other color inorganic or organic pigments, inorganic pigments such as titanium dioxide, iron oxide red, oxidation Iron yellow, iron oxide black, lithopone (zinc sulfide, barium sulfate coprecipitate), carbon black, cadmium red, cadmium yellow, lead chrome yellow, chromium oxide green, iron blue, zinc oxide, zinc yellow, cobalt blue;
  • the organic pigment is a pigment having a main structure of phthalocyanine, an azo pigment, a pigment having a main structure of quinacridone or the like.
  • additives capable of improving the performance of the inorganic dry powder architectural coating may be added, such as: defoaming agents, dispersing agents, thickeners, wetting agents, film forming assistants, antifungal agents, water repellents, etc. .
  • the inorganic dry powder architectural coating can be prepared by dry mixing of the above components of the present invention, in order to produce For better performance inorganic dry powder architectural coatings, the weight ratio of the above components is preferably as follows: alkali metal silicate 5CT400;
  • the weight of the above components is as follows:
  • Redispersible powder 5 (150.
  • Pigment 5 T100; and / or
  • the components include:
  • EVA redispersible latex powder 50 g EVA redispersible latex powder 50 g ;
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • EVA redispersible latex powder 150 g EVA redispersible latex powder 150 g ;
  • the inorganic dry powder architectural coating is prepared by dry mixing the above components, added to water, and stirred evenly, that is, It can be used for construction work, which can be carried out by spraying, roller coating or brushing. Its performance is tested according to the construction industry standard JG/T 26-2002 "External wall inorganic architectural coatings" of the People's Republic of China, and in accordance with the national standards of the People's Republic of China. GB 18582-2008 "Limits of harmful substances in interior wall decoration materials for interior decoration materials" The V0C content is tested. The test results are shown in Table 1 and Table 2, respectively.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • Lithium silicate 108g Lithium silicate 108g
  • the above-mentioned components are dry-mixed to obtain the inorganic dry powder architectural coating, added to water, and stirred evenly, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the Chinese people.
  • the national construction industry standard JG/T 26-2002 “External wall inorganic architectural coatings” was tested, and the V0C content was tested according to the National Standard of the People's Republic of China GB 18582-2008 "Restriction of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings" The test results are shown in Tables 1 and 2, respectively.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" for testing, and in accordance with China National Standard of the People's Republic GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings" The V0C content is tested. The test results are shown in Tables 1 and 2, respectively.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and in accordance with the National Standard of the People's Republic of China GB 18582-2008 "Restriction of Hazardous Substances in Interior Wall Coatings for Interior Decoration Materials” The amount of VOC is detected, and the test results are shown in Table 1 and Table 2, respectively.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • PMMA redispersible latex powder 173g PMMA redispersible latex powder 173g ;
  • Lid powder 232g Lid powder 232g ;
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • Example 13 the components include:
  • Lithium silicate 350g Lithium silicate 350g
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • Polymethacrylic acid dispersible polymer powder 20g Polymethacrylic acid dispersible polymer powder 20g;
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • Lithium silicate 80g Lithium silicate 80g ;
  • Polyacrylic acid dispersible polymer powder 20g Polyacrylic acid dispersible polymer powder
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". The test results are shown in the table. 1 and Table 2.
  • the components include:
  • Lithium silicate 400g Lithium silicate 400g
  • the inorganic dry powder architectural coating is prepared by dry mixing of the above components, added to water, and evenly stirred, and the construction operation can be carried out by spraying, rolling or brushing, and the performance is in accordance with the construction industry standard JG of the People's Republic of China. /T 26-2002 "External Wall Inorganic Architectural Coatings" was tested and tested according to the National Standard of the People's Republic of China GB 18582-2008 "Limits of Hazardous Substances in Interior Finishing Materials Interior Wall Coatings". Table 1 and Table 2.
  • Table 1 the coating prepared by the embodiment of the broad film 17, and the physical properties of the test after solidification filming test technical requirements test results conclusion in the state of the container after agitation without agglomeration, in a uniform state meets the requirements of qualified construction performance brushing Obstacle meets the requirements of qualified coating film Appearance film Appearance normal meets the requirements of qualified heat storage stability (30 days) No agglomeration, cohesion, mildew phenomenon meets the requirements of qualified low temperature storage stability (3 times) No agglomeration, cohesion phenomenon meets the requirements Qualified drying time (dry), small unit
  • the inorganic dry powder architectural coating of the present invention can withstand the scrubbing test test more than 10,000 times, far higher than the 1000 standard specified by JG/T 26-2002, and after 168h water resistance, 168h alkali resistance test, and temperature resistance (10 times) have no change, storage stability, stain resistance and construction performance are in line with JG/T 26-2002 standard.
  • the inorganic dry powder architectural coating of the present invention does not exhibit salting whitening phenomenon.

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Abstract

一种无机干粉建筑涂料,其包括碱金属硅酸盐与固化剂组成的无机凝胶体系、有机可再分散乳胶粉,还可以包括填料、颜料以及助剂。本发明的涂料具有良好的储存稳定性、耐洗刷性、耐侯性、便于运输,并且固化成膜后,不会出现盐析白化现象,同时不产生VOC、苯、甲醛、重金属等有害物质。

Description

无机干粉建筑涂料及其生产方法
技术领域
本发明涉及一种涂料, 尤其涉及一种具有良好耐候性、耐洗刷性、无盐析白 化现象的无机干粉建筑涂料。 背景技术
建筑涂料主要指用于建筑外墙、 内墙、顶棚、地面等的涂料,具有装饰功能、 保护功能和居住性能改进功能。 目前建筑涂料以水性涂料为主, 水性涂料是以水 为分散介质的涂料,包括水乳液和水溶液型涂料。但是水性涂料组成中包括高达 35~55%的水, 这对于水性涂料的包装和运输来讲, 需要花费大量的人力、物力和 财力; 水性涂料保质期和储存期短, 为了解决水性建筑涂料储存稳定性, 即储存 期间不发生分层、 增稠等现象, 也需要很高的成本和专门的技术。
德国瓦克化学公司 (Wacker Chemie AG) 研制出可再分散乳胶粉, 使涂料干 粉化成为可能。干粉涂料一般是将乳液经过特殊工艺干燥成为粉末, 改变了生产 和贮存方式, 生产成本降低, 包装和运输方便、 安全, 储存期和保质期长; 使用 时与溶剂配成醇基或水基涂料或快干涂料, 适应性强, 使用方便; 并节省了一般 涂料中的必须添加的化学助剂, 不仅解决了环境污染问题, 而且节约资源, 因而 得到了广泛的应用和发展。在建筑涂料产品中, 较早发展起来的、 并极具使用价 值的是厚质干粉状涂料, 如粉状腻子、粉状仿瓷涂料、粉状防水涂料和保温隔热 涂料等。
薄层干粉建筑涂料主要采用现场加水混匀后辊涂、刷涂方式进行施工, 因此 与厚质涂料要求不同, 薄层干粉建筑涂料目前可分为两类, 一类是纯可再分散胶 粉体系的干粉涂料, 另一类是可再分散胶粉与石膏、熟石灰、水泥等无机粉料组 成的干粉涂料 (无机干粉涂料)。
在纯胶粉体系的干粉涂料中,涂料的性能很大程度上取决于胶粉, 但是可再 分散胶粉与乳液之间的成膜差异导致涂膜的性能差异, 突出表现在耐洗刷性能、 耐老化性能等, 因此, 这类涂料未能大规模的应用。
无机干粉涂料一般加入水泥、石灰或石膏等无机成膜组分, 耐洗刷性能和耐 老化性能都有了很大程度的改善和提高, 具有抗冻、 防霉菌等优点, 并且耐湿洗 性、 粘结性、 防水性等方面都具有良好的表现, 在欧洲市场, 这类无机干粉建筑 涂料已占据了令人瞩目的位置。 如中国专利 CN100558834C公开的环保型干粉涂 料, 由可再分散乳胶粉与白水泥为主要成分, 节省了乳胶漆中的许多添加剂, 减 少了挥发性有机化合物; 中国专利 CN101230214B公开的水泥基干粉涂料, 由白 水泥、可再分散乳胶粉与使涂料起到仿瓷效果和夜光效果的添加剂组成, 具有良 好的耐久性; 中国专利 CN102173710A公开的石膏基无机干粉, 包括了石膏粉、 白水泥与聚乙烯醇微粉等组分,通过化学键和作用, 解决传统干粉涂料耐久性差 的问题。
但是上述无机干粉涂料由于加入了石灰、水泥等, 会产生可溶性盐, 这些可 溶性盐在一定条件下逐渐析出表面, 由于这些盐类略带白色, 使得深色涂层上出 现了浅色斑点, 即所谓的白化现象, 因此, 此类无机干粉涂料只限于白色或浅色 涂料。 发明内容
针对无机干粉建筑涂料容易出现白化现象的缺陷,本发明提供了一种耐洗刷 性能和耐候性良好、无白化现象的无机干粉建筑涂料、 以及所述无机干粉建筑涂 料的生产方法。
因此,本发明的第一个方面是提供一种无机干粉建筑涂料, 组分包括无机凝 胶体系和可再分散胶粉。
所述的无机干粉建筑涂料中, 所还可以加入颜料、 和 /或填料。
所述无机凝胶体系包括碱金属硅酸盐与固化剂,所述固化剂指的是能够与所 述碱金属硅酸盐形成交联固结体的物质。
本发明所述的碱金属硅酸盐, 指的是门捷列夫元素周期表 IA族中金属的硅 酸盐, 优选为包括硅酸钠、 硅酸钾、 硅酸锂中的任意一种或几种的混合物。
所述固化剂优选为包括氟硅酸盐、磷酸盐(包括縮合磷酸盐在内)、硼酸盐、 金属氧化物、 金属氢氧化物中的任意一种或几种的混合物。 其中,所述金属氧化物、金属氢氧化物分别进一步优选为门捷列夫元素周期 表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任意一种或几种金属的氧化物、氢氧化物。
其中, 所述氟硅酸盐、磷酸盐、硼酸盐分别进一步优选为门捷列夫元素周期 表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任意一种或几种金属的氟硅酸盐、磷酸盐、 硼酸盐。
本发明上述的无机干粉建筑涂料中, 所述固化剂最优选为包括 A1203、 Zn0、 Mg0、 氟硅酸钠、 氟硅酸钾、 氟硅酸锂、 氟硅酸镁、 氟硅酸铝、 磷酸铝、 磷酸钾、 磷酸钠、 磷酸镁、 縮合磷酸铝、、 硼酸铝、 硼酸钾、 硼酸钠、 硼酸镁中的任意一 种或几种的混合物。
本发明上述的无机干粉建筑涂料中,所述可再分散胶粉是由聚合物乳液干燥 后制得, 所述聚合物可以是烯烃、 二烯烃、 丙烯酸、 丙烯酸树酯、 甲基丙烯酸、 甲基丙烯酸酯、脂肪酸乙烯酯聚合得到的均聚物、二元共聚物、三元共聚物中的 任意一种或几种的混合物。所述脂肪酸乙烯酯为 R-C0-0-CH=CH2,其中, R为烃基, 并优选为烷基, 最优选为含 crc2。长度的直连或带支链的烷基。 所述聚合物的举 例如:聚醋酸乙烯酯、醋酸乙烯酯 /乙烯共聚物(EVA)、醋酸乙烯酯 /丙烯共聚物、 醋酸乙烯酯 /丁二烯共聚物、醋酸乙烯酯 /苯乙烯共聚物、苯乙烯 /丁二烯共聚物、 丙烯酸酯 /苯乙烯共聚物、丙烯酸酯 /醋酸乙烯酯 /高级脂肪酸乙烯酯三元共聚物、 醋酸乙烯酯 /高级脂肪酸乙烯酯共聚物、 乙烯 /氯乙烯 /月桂酸酸乙烯酯三元共聚 物、 醋酸乙烯酯 /乙烯 /高级脂肪酸乙烯酯三元共聚物、 聚丙烯酸、 聚丙烯酸酯、 聚甲基丙烯酸、 聚甲基丙烯酸酯等。
本发明上述的无机干粉建筑涂料中,所述颜料可以是白色或浅色, 也可以是 其它颜色的无机或有机颜料, 无机颜料如钛白粉、 氧化铁红、 氧化铁黄、 氧化铁 黑、 立德粉 (硫化锌和硫酸钡的共沉淀物)、 炭黑、 镉红、 镉黄、 铅铬黄、 氧化 铬绿、 铁蓝、 氧化锌、 锌黄、 钴蓝; 有机颜料如主体结构为酞菁的颜料、 偶氮类 颜料、 主体结构为喹吖啶酮的颜料等。
本发明上述的无机干粉建筑涂料中,所述填料为无机填料, 优选为包括氧化 硅、 硅酸盐、 碳酸盐、 碳化物、 硫酸盐、 硫化物、 氮化物、 金属氧化物、 金属氢 氧化物、 金属中的任意一种或几种的混合物, 如碳化硅、 氮化硼、 硅灰石、 氧化 铝、 硫酸钡、 碳酸钙 (可以是轻质碳酸钙和 /或重质碳酸钙)、 滑石粉、 云母粉、 膨润土、 灰钙粉、 硅酸铝 (优选为超细硅酸铝)、 石英粉、 方解石等。
本发明上述的无机干粉建筑涂料中,还可以加入可用于涂料的助剂, 如消泡 剂、 分散剂、 增稠剂、 润湿剂、 成膜助剂、 防霉剂、 憎水剂等任意能够改善所述 无机干粉建筑涂料性能的助剂。
所述消泡剂可以是硅油、 矿物油、 聚醚、 聚醚改性硅油、 高级脂肪醇、 有机 醇磷酸酯的任意一种或几种的混合物。
所述分散剂可以是阴离子型水溶性表面活性剂, 如羧酸盐 (R_C00M)、 硫酸 酯盐 (R_0-S03M)、 磺酸盐 (R- S03M ) ; 或者是非离子型水溶性表面活性剂, 如 Y- (CH2-CH2-0) n-X; 也可以是乙烯基羧酸或其盐或酯的均聚物或共聚物, 或与其 它乙烯基单体的共聚物; 或者是磷酸盐, 如六偏磷酸钠。 其中, R为 C5~C3。碳链长 度的烃基, 优选为 C5~C3。的直连和 /或带支链的烷基, X和 Y均为不能在水中电离的 封端集团, 可以相同或不同, 如11、 R-C00-等, n为聚合度。
所述增稠剂可以实施纤维素和 /或其衍生物, 如甲基纤维素、羧甲基纤维素、 羟丙基纤维素、 羟乙基纤维素、 羟丙基甲基纤维素等; 或者是聚丙烯酸和 /或其 衍生物, 如聚丙烯酸盐、 聚甲基丙烯酸、 聚甲基丙烯酸盐等; 或者是缔合型聚氨 酯类增稠剂; 也可以是无机增稠剂, 如膨润土。
所述润湿剂如聚硅氧烷、聚醚改性聚二甲基硅氧烷、聚酯改性聚二甲基硅氧 烷、 含氟表面活性剂、 聚醚等。
所述防霉剂如季铵盐、 季磷盐、 胍、 双胍、 吡啶、 咪唑、 异噻唑啉酮、 酚、 以及上述物质的衍生物; 或者以 Ag+、 Cu2+、 Zn2+等金属离子为活性成分的防霉剂, 或 Zn0、 Ti02等活性氧化物。
所述憎水剂 (防水剂) 优选为甲基硅醇钠等有机硅憎水剂。
所述成膜助剂指的是改善聚结性能、使本发明所述无机干粉建筑涂料施工时 在更宽泛的温度范围内能够固化成膜的物质, 可以是二元醇、二元醇单醚、 二元 醇单醚羧酸酯等, 如乙二醇、 丙二醇单丁醚、 丙二醇单甲醚醋酸酯、 2, 2, 4-三甲 基 -1, 3-戊二醇单异丁酯等。
在本发明上述无机干粉建筑涂料的一种优选实施例中,包括如下重量配比的 组分:
碱金属硅酸盐 5CT400; 固化剂 1 100;
可再分散胶粉 20~250。
或者还可以包括:
颜料 0^300; 和 /或
填料 300^700; 和 /或
助剂 (Γ20。
在本发明上述无机干粉建筑涂料的进一步优选实施例中,包括如下重量配比 的组分:
碱金属硅酸盐 100^350;
固化剂 3〜80;
可再分散胶粉 30^200
或者还可以包括:
颜料 (Γ250; 和 /或
填料 350〜600; 和 /或
助剂 广 15。
在本发明上述无机干粉建筑涂料的更优选的实施例中,包括如下重量配比的
碱金属硅酸盐 100 250;
固化剂 5^50;
可再分散胶粉 5( 150。
或者还可以包括:
颜料 0〜150: 和 /或
填料 400^550; 和 /或
助剂 2^10。
在本发明上述无机干粉建筑涂料的最优选的实施例中,包括如下重量配比的 组分
碱金属硅酸盐 100 150;
固化剂 10^30;
可再分散胶粉 7(Tl20。 或者还可以包括:
颜料 5CT100; 和 /或
填料 45CT500; 和 /或
助剂 5~7。
本发明的第二个方面是提供一种上述无机干粉建筑涂料的生成方法,步骤包 括: 将粉状碱金属硅酸盐、 粉状固化剂和可再分散胶粉, 或者还加入粉状颜料、 和 /或粉状填料、 和 /或粉状助剂一起干混, 制成无机干粉建筑涂料。
所述的生产方法中,粉状碱金属硅酸盐、粉状固化剂、可再分散胶粉、颜料、 填料、 助剂以及这些物质的重量配比均在上述内容中进行了描述。
本发明所述的无机干粉建筑涂料,加水搅拌后涂于建筑物上,经过试验检测, 具有良好的耐洗刷性、 耐候性, 并且无白化现象, 并能够达到中国 JG/T26-2002 标准, 即克服了纯胶粉体系的干粉涂料的耐洗刷性和耐候性差的缺陷, 解决了水 泥、 石灰基胶粉体系涂料的白化问题。
按照中国 GB/18582-2008标准进行监测, 未检出 V0C (挥发性有机化合物), 具有良好的环保性能。
并且, 本发明无机干粉建筑涂料生产、 使用方便, 成本低廉。 具体实施方式
本发明所述的无机干粉建筑涂料, 组分包括:
1 )碱金属硅酸盐, 指的是 IA族中金属的硅酸盐, 包括硅酸钠、 硅酸钾、 硅 酸锂中的任意一种或几种的混合物。
2) 固化剂, 包括氟硅酸盐、 磷酸盐(包括縮合磷酸盐在内)、 硼酸盐、 金属 氧化物、 金属氢氧化物中的任意一种或几种的混合物。
其中, 所述金属氧化物、 金属氢氧化物可以是门捷列夫元素周期表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任意一种或几种金属的氧化物、 氢氧化物。
其中, 所述氟硅酸盐、 磷酸盐、 硼酸盐可以是门捷列夫元素周期表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任意一种或几种金属的氟硅酸盐、磷酸盐、硼酸盐。
所述固化剂的举例如: A1203、 Zn0、 Mg0、 氟硅酸钠、 氟硅酸钾、 氟硅酸锂、 氟硅酸镁、 氟硅酸铝、 磷酸铝、 磷酸钾、 磷酸钠、 磷酸镁、 縮合磷酸铝、、 硼酸 铝、 硼酸钾、 硼酸钠、 硼酸镁中的任意一种或几种的混合物。
组分 1 ) 和组分 2 ) 组成无机凝胶体系。
3 ) 可再分散胶粉, 所述可再分散胶粉是由聚合物乳液干燥后制得, 所述聚 合物可以是烯烃、 二烯烃、 丙烯酸、 丙烯酸树酯、 甲基丙烯酸、 甲基丙烯酸酯、 脂肪酸乙烯酯聚合得到的均聚物、二元共聚物、三元共聚物中的任意一种或几种 的混合物。所述脂肪酸乙烯酯为 R-C0-0-CH=CH2, 其中, R为烃基, 并优选为烷基, 最优选为含 crc2。长度的直连或带支链的烷基。 所述聚合物的举例如: 聚醋酸乙 烯酯、 醋酸乙烯酯 /乙烯共聚物、 醋酸乙烯酯 /丙烯共聚物、 醋酸乙烯酯 /丁二烯 共聚物、 醋酸乙烯酯 /苯乙烯共聚物、 苯乙烯 /丁二烯共聚物、 丙烯酸酯 /苯乙烯 共聚物、 丙烯酸酯 /醋酸乙烯酯 /高级脂肪酸乙烯酯三元共聚物、 醋酸乙烯酯 /高 级脂肪酸乙烯酯共聚物、 乙烯 /氯乙烯 /月桂酸酸乙烯酯三元共聚物、醋酸乙烯酯 /乙烯 /高级脂肪酸乙烯酯三元共聚物、 聚丙烯酸、 聚丙烯酸酯、 聚甲基丙烯酸、 聚甲基丙烯酸酯等。
以上三种是本发明所述无机干粉建筑涂料的核心组成部分,但是还可以加入 如下 4) 填料和 /或 5) 颜料组分:
4) 填料, 用于所述无机干粉建筑涂料的增强, 所述填料为无机填料, 优选 为包括氧化硅、 硅酸盐、 碳酸盐、 碳化物、 硫酸盐、 硫化物、 氮化物、 金属氧化 物、 金属氢氧化物、 金属中的任意一种或几种的混合物, 如碳化硅、 氮化硼、 硅 灰石、氧化铝、硫酸钡、碳酸钙(可以是轻质碳酸钙和 /或重质碳酸钙)、硅酸钙、 硫酸钙、 滑石粉、 云母粉、 膨润土、 灰钙粉、 硅酸铝 (优选为超细硅酸铝)、 石 英粉、 硅藻土、 方解石等。
5) 颜料, 为所述无机干粉建筑涂料带来所需的颜色, 所述颜料可以是白色 或浅色、 也可以是其它颜色的无机或有机颜料, 无机颜料如钛白粉、 氧化铁红、 氧化铁黄、 氧化铁黑、 立德粉(硫化锌、 硫酸钡共沉淀物)、 炭黑、 镉红、 镉黄、 铅铬黄、 氧化铬绿、 铁蓝、 氧化锌、 锌黄、 钴蓝; 有机颜料如主体结构为酞菁的 颜料、 偶氮类颜料、 主体结构为喹吖啶酮的颜料等。
此外根据需要,还可以加入能够改善所述无机干粉建筑涂料性能的助剂,如: 消泡剂、 分散剂、 增稠剂、 润湿剂、 成膜助剂、 防霉剂、 憎水剂等。
本发明上述组分进行干混即可制备得到所述的无机干粉建筑涂料,为了生产 出更好的性能无机干粉建筑涂料, 上述各组分的重量配比优选如下: 碱金属硅酸盐 5CT400;
固化剂 Γ100;
可再分散胶粉 20~250。
或者还可以包括:
颜料 ( 300; 和 /或
填料 300^700; 和 /或
助剂 0~20。
进一步优选地, 上述组分重量配比如下:
碱金属硅酸盐 100^350;
固化剂 3~80;
可再分散胶粉 30~200。
或者还可以包括:
颜料 ( 250; 和 /或
填料 350^600; 和 /或
助剂 广 15。
更优选地, 上述组分重 t配比如下:
碱金属硅酸盐 100^250;
固化剂 5^50;
可再分散胶粉 5( 150。
或者还可以包括:
颜料 (T150; 和 /或
填料 400^550; 和 /或
助剂 2~10。
最优选地, 上述组分重 t配比如下:
碱金属硅酸盐 10CT150;
固化剂 10^30;
可再分散胶粉 70~120。
或者还可以包括: 颜料 5(T100; 和 /或
填料 45CT500; 和 /或
助剂 5~7。
下面通过具体实施了对本发明所述的无机干粉建筑涂料及其生产方法进行 详细的解释和描述, 以使更好地理解本发明内容, 但是应当理解的是, 下述实施 例并不限制本发明范围。
实施例 1
本实施例中, 组分包括:
硅酸钾 100g;
磷酸铝 5g;
EVA可再分散乳胶粉 50g ;
CaC03 400g
消泡剂 lg;
增稠剂 lg。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 2
本实施例中, 组分包括:
硅酸钾 250g;
磷酸铝 50g;
EVA可再分散乳胶粉 150g ;
Ti02 150g;
CaC03 550g
消泡剂 5g;
增稠剂 5g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 3
本实施例中, 组分包括:
硅酸钠 233g;
ZnO 46g;
EVA可再分散乳胶粉 134g ;
氧化铁黄 128g;
硅灰石 534g
消泡剂 3g;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 4
本实施例中, 组分包括:
硅酸锂 108g;
氟硅酸钠 12g ;
EVA可再分散乳胶粉 63g ;
氧化铁红 51g;
膨润土 430g
消泡剂 lg;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 5
本实施例中, 组分包括:
硅酸钠 135g;
氟硅酸镁 27g;
EVA可再分散乳胶粉 86g ;
ZnO 43g;
灰钙粉 453g
消泡剂 2g ;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 6
本实施例中, 组分包括:
硅酸钾 161g;
縮合磷酸铝 40g ;
EVA可再分散乳胶粉 103g ;
Ti02 85g;
CaC03 515g
消泡剂 2g ;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 7
本实施例中, 组分包括:
硅酸钾 183g;
氟硅酸钾 37g;
EVA可再分散乳胶粉 122g ;
Ti02 114g;
CaC03 511g
消泡剂 2g ;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 8
本实施例中, 组分包括:
硅酸钾 205g;
磷酸铝 23g;
EVA可再分散乳胶粉 92g ;
Ti02 94g;
CaC03 500g
消泡剂 2g ;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 VOC含量的检测, 检测结果分别见表 1和表 2。
实施例 9
本实施例中, 组分包括:
硅酸钾 233g;
磷酸铝 47g;
EVA可再分散乳胶粉 136g ;
Ti02 141g;
CaC03 539g
消泡剂 2g ;
增稠剂 lg。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 10
本实施例中, 组分包括:
硅酸钾 242g;
磷酸铝 41g ;
EVA可再分散乳胶粉 147g ;
Ti02 101g;
CaC03 501g
消泡剂 lg;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。 实施例 11
本实施例中, 组分包括:
硅酸钠 285g;
氟硅酸钠 51g;
聚丙烯酸酯可再分散乳胶粉 197g;
氧化铁黑 200g;
滑石粉 560g
消泡剂 lg;
增稠剂 2g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 12
本实施例中, 组分包括:
硅酸钠 314g;
美 66g;
PMMA可再分散乳胶粉 173g;
立德粉 232g;
方解石 594g
消泡剂 lg;
增稠剂 2go
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 13 本实施例中, 组分包括:
硅酸锂 350g;
磷酸镁 80g;
醋酸乙烯酯 /乙烯共聚物可再分散乳胶粉 200g ;
2, 9-二甲基喹吖啶酮 250g;
氮化硼 600g
消泡剂 15g;
增稠剂 15g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 14
本实施例中, 组分包括:
硅酸钠 100g;
氟硅酸钾 3g;
苯乙烯 /丁二烯共聚物可再分散乳胶粉 30g ;
碳化硅 350g
消泡剂 10g;
增稠剂 10g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 15
本实施例中, 组分包括:
硅酸锂 50g; A1203 lg;
聚甲基丙烯酸可再分散乳胶粉 20g;
云母粉 300g
消泡剂 10g;
增稠剂 10g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 16
本实施例中, 组分包括:
硅酸锂 80g;
MgO 3g;
聚丙烯酸可再分散乳胶粉 20g;
颜料红 114 300g
硫酸钡 320g
消泡剂 15g;
增稠剂 15g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行 V0C含量的检测, 检测结果分别见表 1和表 2。
实施例 17
本实施例中, 组分包括:
硅酸锂 400g;
硼酸钠 100g;
乙烯 /氯乙烯 /月桂酸酸乙烯酯三元共聚物可再分散乳胶粉 250g; 酞菁蓝 300g
CaC03 700g
消泡剂 15g;
增稠剂 15g。
将上述组分干混制备得到所述无机干粉建筑涂料, 加入水中, 搅拌均匀, 即 可进行施工作业, 可采用喷涂、辊涂或刷涂等方法进行, 其性能按照中华人民共 和国建筑行业标准 JG/T 26-2002 《外墙无机建筑涂料》 进行测试, 并按照中华 人民共和国国家标准 GB 18582-2008 《室内装饰装修材料内墙涂料中有害物质限 量》 进行有害物质含量的检测, 检测结果分别见表 1和表 2。
表 1, 实施例广 17制备的涂料、 及其固化成膜后的物理性能 检测项目 技术要求 检测结果 结论 容器中的状态 搅拌后无结块, 呈均匀状态 符合要求 合格 施工性能 刷涂二道无障碍 符合要求 合格 涂膜外观 涂膜外观正常 符合要求 合格 热储存稳定性(30天) 无结块、 凝聚、 霉变现象 符合要求 合格 低温储存稳定性(3次) 无结块、 凝聚现象 符合要求 合格 合格 干燥时间(表干), 单位小
通过
合格 耐洗刷性 /次 ^ 100 > 10000
合格 无起泡、 裂纹、 剥落, 允许
耐水性(168h) 无变化
轻微掉粉
合格 无起泡、 裂纹、 剥落, 允许
耐碱性(168h) 无变化
轻微掉粉
合格 无起泡、 裂纹、 剥落, 允许
耐温变性(10次) 无变化
轻微掉粉
合格 耐沾污性, 单位% 20 10
耐人工老化性, 单位小时 无起泡、 裂纹、 剥落、 粉化 500 表 2, 上述实施例广 17制备的无机干粉建筑涂料有害物质含量检测结果
Figure imgf000019_0001
通过上述表 1可以看出,本发明所述无机干粉建筑涂料可承受耐洗刷性测试 实验超过 10000次, 远远高出 JG/T 26-2002规定的 1000次的标准, 并且经过 168h耐水性、 168h耐碱性实验、 以及耐温变性(10次)均无变化, 储存稳定性、 耐沾污性和施工性能均符合 JG/T 26-2002标准。
并且在检测以及实际应用过程中,本发明所述无机干粉建筑涂料均未出现盐 析白化现象。
通过表 2可以看出,本发明所述无机干粉建筑涂料使用和施工过程中, 不产 生 V0C、 重金属、 苯、 甲醛等有害物质, 具有优异的环保特征。
以上对本发明的具体实施例进行了详细描述,但其只是作为范例, 本发明并 不限制于以上描述的具体实施例。对于本领域技术人员而言, 任何对本发明进行 的等同修改和替代也都在本发明的范畴之中。因此, 在不脱离本发明的精神和范 围下所作的均等变换和修改, 都应涵盖在本发明的范围内。

Claims

权利要求书
1. 一种无机干粉建筑涂料, 其特征在于, 无机干粉建筑涂料组分包括碱金属硅 酸盐、 固化剂和可再分散胶粉, 其中, 所述固化剂为能够与所述碱金属硅酸盐形 成交联固结体的物质。
2. 根据权利要求 1所述的无机干粉建筑涂料, 其特征在于, 所述固化剂为无机 化合物。
3. 根据权利要求 2所述的无机干粉建筑涂料, 其特征在于, 所述固化剂包括氟 硅酸盐、 磷酸盐、硼酸盐、 金属氧化物、 金属氢氧化物中的任意一种或几种的混 合物。
4. 根据权利要求 3所述的无机干粉建筑涂料, 其特征在于, 所述金属氧化物、 金属氢氧化物分别为门捷列夫元素周期表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任 意一种或几种金属的氧化物、 氢氧化物; 所述氟硅酸盐、 磷酸盐、硼酸盐分别为 门捷列夫元素周期表中 IA、 ΠΑ、 ΠΙΑ和 IIB、 IB族中的任意一种或几种金属的 氟硅酸盐、 磷酸盐、 硼酸盐。
5. 根据权利要求 1所述的无机干粉建筑涂料, 其特征在于, 所述可再分散胶粉 是由聚合物乳液干燥后制得, 所述聚合物可以是烯烃、 二烯烃、 丙烯酸、 丙烯酸 树酯、 甲基丙烯酸、 甲基丙烯酸酯、 脂肪酸乙烯酯聚合得到的均聚物、 二元共聚 物、 三元共聚物中的任意一种或几种的混合物; 其中, 所述脂肪酸乙烯酯为 R-C0-0-CH=CH2, R为烃基。
6. 根据权利要求 5所述的无机干粉建筑涂料, 其特征在于, R为含 Crc2。长度的 直连或带支链的烷基。
7. 根据权利要求 1所述的无机干粉建筑涂料, 其特征在于, 所述碱金属硅酸盐 包括硅酸钠、 硅酸钾、 硅酸锂中的任意一种或几种的混合物。
8. 根据权利要求广 7中任意一项所述的无机干粉建筑涂料, 其特征在于, 所碱 金属硅酸盐、 固化剂和可再分散胶粉的重量比为:
碱金属硅酸盐 5CT400;
固化剂 广 100;
可再分散胶粉 20~250。
9. 根据权利要求 1所述的无机干粉建筑涂料, 其特征在于, 无机干粉建筑涂料 组分还包括填料和 /或颜料。
10. 根据权利要求 9所述的无机干粉建筑涂料, 其特征在于, 所述填料包括氧化 硅、 硅酸盐、 碳酸盐、 碳化物、 硫酸盐、 硫化物、 氮化物、 金属氧化物、 金属氢 氧化物、 金属中的任意一种或几种的混合物。
11. 根据权利要求 9所述的无机干粉建筑涂料, 其特征在于, 所述颜料包括钛白 粉、 氧化铁红、 氧化铁黄、 氧化铁黑、 立德粉、 炭黑、 镉红、 镉黄、 铅铬黄、 氧 化铬绿、铁蓝、氧化锌、锌黄、钴蓝、 以及主体结构为酞菁的颜料、偶氮类颜料、 主体结构为喹吖啶酮的颜料中的任意一种或多种的混合物。
12. 根据权利要求 9所述的无机干粉建筑涂料, 其特征在于, 所述各组分的重量 配比为:
碱金属硅酸盐 5CT400;
固化剂 广 100;
可再分散胶粉 2CT250;
颜料 ( 300; 和 /或
填料 300~700。
13. 根据权利要求 1或 9所述的无机干粉建筑涂料, 其特征在于, 组分还包括可 用于涂料的助剂。
14. 根据权利要求 13所述的无机干粉建筑涂料, 其特征在于,, 所述各组分的重 量配比为:
碱金属硅酸盐 5CT400;
固化剂 广 100;
可再分散胶粉 2CT250;
颜料 ( 300; 和 /或
填料 30CT700; 和 /或
助剂 0~20。
15. 一种制备权利要求 1所述无机干粉建筑涂料的方法, 其特征在于, 粉状碱金 属硅酸盐、 粉状固化剂和可再分散胶粉, 优选地, 还可加入粉状颜料、 和 /或粉 状填料、 和 /或粉状助剂一起干混。
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US20140329951A1 (en) 2014-11-06
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AU2012362756B2 (en) 2015-12-17
EP2660294B1 (en) 2017-07-19
RU2609866C2 (ru) 2017-02-06
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KR20140101861A (ko) 2014-08-20

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