CN116535885A - Inorganic dry powder paint capable of releasing anions and preparation method thereof - Google Patents

Inorganic dry powder paint capable of releasing anions and preparation method thereof Download PDF

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Publication number
CN116535885A
CN116535885A CN202310711298.6A CN202310711298A CN116535885A CN 116535885 A CN116535885 A CN 116535885A CN 202310711298 A CN202310711298 A CN 202310711298A CN 116535885 A CN116535885 A CN 116535885A
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percent
dry powder
inorganic dry
powder coating
cement
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侯金良
陈迎东
苏应擎
黄矿卫
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Guangdong Yuxiancai Glazed Environmental Protection Materials Co ltd
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Guangdong Yuxiancai Glazed Environmental Protection Materials Co ltd
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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
    • 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
    • C09D1/06Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
    • C09D1/08Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03Powdery paints
    • C09D5/033Powdery paints characterised by the additives
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
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  • Inorganic Chemistry (AREA)
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Abstract

The invention relates to the technical field of paint, in particular to an inorganic dry powder paint capable of releasing anions and a preparation method thereof, wherein the inorganic dry powder paint comprises the following raw materials in percentage by weight: 10-50% of cement, 35-40% of calcium carbonate, 15-20% of quartz sand, 10-15% of limestone, 1.5-2% of calcium sulfate whisker, 0.3-0.5% of bentonite, 0.05-0.1% of retarder, 1.5-2.0% of anion powder, 0.05-0.1% of catalyst, 0.05-0.1% of defoamer, 0.2-0.3% of magnesium aluminum silicate and 0.05-0.1% of vitrified micro bubble. Compared with the traditional organic powder coating, the inorganic dry powder coating is more environment-friendly, free of volatile VOC, gas-proof and flame-retardant, can release anions for a long time and is high in efficiency, and the inorganic dry powder coating can play a role in purifying indoor air; meanwhile, the amount of organic resin is reduced by adding a plurality of inorganic material powders, so that the cost of the coating is reduced.

Description

Inorganic dry powder paint capable of releasing anions and preparation method thereof
Technical Field
The invention relates to the technical field of coatings, in particular to an inorganic dry powder coating capable of releasing anions and a preparation method thereof.
Background
Along with the improvement of the living standard of people, the requirements on environmental protection of the environment, daily necessities and the like are higher and higher. The development of the coating industry also tends to be in the environment-friendly direction. Most people spend most of each day indoors, people pay more attention to the indoor air quality, and the first index for evaluating the indoor air quality is the content of negative ions; the negative ions can act on the mucosa of the upper respiratory tract of a human body, so that the secretion function of glands is improved; can improve pulmonary ventilation, and can increase oxygen inhalation and carbon dioxide discharge. After negative ions enter the blood, the oxygen carrying function of the blood flow can be improved, and the blood is purified; it also has effects in promoting metabolism, enhancing immunity, relieving fatigue, and recovering physical strength. Therefore, the anion paint is an advanced environment-friendly functional paint, has excellent performance, is green and ecological, has forest function, and is widely applied to the painting of the environments such as families, schools, hospitals, high-grade apartments, diet operation rooms and the like. The negative ions mainly realize the purpose of purifying air through the three functions of electricity, chemistry and physics, namely through the electric neutralization function, chemical reaction and physical adsorption, and have the effects of delaying aging, promoting blood circulation and metabolism, improving sleep, enhancing immunity, refreshing air and degerming and deodorizing.
Chinese patent application CN1011225278A discloses an anion powder coating capable of releasing anions effectively, but a large amount of organic resin is used therein, which not only results in too high use cost, but also has unstable chemical properties and poor wear and heat resistance effects; the paint has long time for drying the coating film when in use, thereby making the construction period longer; in addition, the paint has poor surface performance and adhesion.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the inorganic dry powder coating capable of releasing anions, and compared with the traditional organic powder coating, the inorganic dry powder coating prepared by adopting the raw materials is more environment-friendly, free of volatile VOC, gas-proof and flame-retardant, can release anions for a long time and is efficient in antibacterial, and can play a role in purifying indoor air; meanwhile, by adding a plurality of inorganic material powders, the consumption of organic resin is reduced, the cost of the coating is reduced, and the prepared inorganic dry powder coating has stable chemical property, wear resistance, heat resistance, good surface property and adhesive force and can shorten the drying time of the coating film.
The invention further aims to provide a preparation method of the inorganic dry powder coating capable of releasing anions, which is simple, convenient to operate and control, beneficial to industrial production and capable of effectively overcoming the defects existing in the conventional soil curing process.
The aim of the invention is achieved by the following technical scheme: an inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: 10-50% of cement, 35-40% of calcium carbonate, 15-20% of quartz sand and 10-15% of limestone;
b) Auxiliary materials: 1.5 to 2 percent of calcium sulfate whisker, 0.3 to 0.5 percent of bentonite, 0.05 to 0.1 percent of retarder, 1.5 to 2.0 percent of anion powder, 0.05 to 0.1 percent of catalyst, 0.05 to 0.1 percent of defoamer, 0.2 to 0.3 percent of magnesium aluminum silicate and 0.05 to 0.1 percent of vitrified micro bubble.
Preferably, the inorganic dry powder coating comprises the following raw materials in percentage by weight:
a) Main materials: 15-50% of cement, 35-40% of calcium carbonate, 15-20% of quartz sand and 10-15% of limestone;
b) Auxiliary materials: 1.5 to 2 percent of calcium sulfate whisker, 0.3 to 0.5 percent of bentonite, 0.05 to 0.1 percent of retarder, 1.5 to 2.0 percent of anion powder, 0.05 to 0.1 percent of catalyst, 0.05 to 0.1 percent of defoamer, 0.2 to 0.3 percent of magnesium aluminum silicate and 0.05 to 0.1 percent of vitrified micro bubble.
More preferably, the negative ion powder is tourmaline; the fineness of the cement is 380-420 meshes.
Organic synthetic resin is adopted as the organic paint compared with the traditional organic paintThe inorganic dry powder coating adopts pure mineral inorganic silicate as an adhesive of the coating, is more environment-friendly, has no volatile VOC, is gas-proof and flame-retardant, can release anions for a long time and has high-efficiency antibacterial effect, and can play a role in purifying indoor air; meanwhile, by adding a plurality of inorganic material powders, the consumption of organic resin is reduced, the cost of the coating is reduced, and the prepared inorganic dry powder coating has stable chemical property, wear resistance, heat resistance, good surface property and adhesive force and can shorten the drying time of the coating film. The binder of the coating adopts pure mineral inorganic silicate as the binder instead of organic synthetic resin as the binder, so that the defects of the binder can be avoided, and the tourmaline is a natural silicate mineral composed of Na, al, mg, B, fe and other elements and has natural electric polarity, piezoelectricity and thermoelectric property. When it is excited by external energy, i.e. is acted by external force or heated, the positive and negative charges are separated at two ends of crystal to form potential difference which can be up to megaelectron volts, and can be enough to make the surface adsorbed water or air produce ionization, and can instantaneously discharge H 2 O H + +OH - When H+ ions ionized by water molecules are attracted by the negative electrode of tourmaline and are electrically neutralized to generate H atoms, H + +e=h. Because the H atoms have small volume and light weight, the H atoms are easy to escape from the surface of the tourmaline and release into the atmosphere, and the rest OH - The ions can combine with water molecules to generate hydroxyl water OH - +H 2 O H 3 O 2 - Removing one part of water to form negative oxygen ions 2OH from molecules or two hydroxyl groups - =H 2 O+O - Releasing the negative oxygen ions into the air; the calcium sulfate whisker has high strength, toughness, heat resistance, wear resistance, corrosion resistance, insulation, conductivity, vibration reduction and flame retardance, and can assist in improving the comprehensive performance of the coating; the adopted calcium carbonate can enhance the depositability and permeability of a coating, has good facing weather property, has the effects of abrasion resistance, low electrolyte content and PH value stabilization, can improve the corrosion resistance, the rheological property of the coating and the like; in addition, the magnesium aluminum silicate is used as a suspension thixotropic thickening agent, and can fully suspend paint powder when being added into paint, reduce the dosage of organic matters and changeAnd the leveling property of the paint is improved.
Preferably, the cement is at least one of Portland cement, slag Portland cement, pozzolanic Portland cement and composite Portland cement.
Preferably, the catalyst is tetrapod-like zinc oxide whisker or nano titanium dioxide.
The catalyst in the invention adopts the specific substances, wherein the nano titanium dioxide has good response characteristic to visible light, and can catalyze light with the wavelength of less than 600nm, namely, the catalyst can be used under a common fluorescent lamp or weaker light, so that the paint provided by the invention has good enough performance of purifying air under normal living and working environments; the photocatalyst plays a role of a catalyst in the whole treatment process according to the action principle of the photocatalyst, namely the nano-scale titanium dioxide provided by the invention can continuously absorb light energy and convert water and oxygen in the air into two active substances of hydroxyl radical (OH) and superoxide anion (O2-), so that formaldehyde, benzene and other harmful gases are decomposed, and meanwhile, bacteria can be subjected to harmless treatment to complete sterilization. The catalyst does not participate in the reaction in the purification process, but only plays a role of an intermediary, and is not consumed, so that the purification effect of the catalyst is always carried out as long as the catalyst is not destroyed and water, air and light with proper wavelength exist, and continuous dynamic purification is realized; the four-needle zinc oxide whisker can be easily and uniformly distributed in a matrix material due to the unique three-dimensional four-needle three-dimensional structure, so that the physical properties of the material are isotropically improved, and meanwhile, various unique functional properties of the material, such as wear resistance, reinforcement, vibration reduction, skid resistance, noise reduction, wave absorption, ageing resistance, static resistance, antibiosis and the like, are endowed.
Preferably, the defoamer is modified polysiloxane or organic silicon polyether composite defoamer.
Preferably, the retarder is citrate or phosphate.
The concrete retarder adopted in the invention can delay the hydration reaction of cement, thereby prolonging the setting time of the powder coating, ensuring that the freshly mixed powder coating keeps plasticity for a long time, facilitating construction, improving construction efficiency, and simultaneously not causing adverse effects on various performances of the powder coating in the later stage.
The invention also provides a preparation method of the inorganic dry powder coating capable of releasing anions, which is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 30-40min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 40-60min to obtain the inorganic dry powder coating capable of releasing negative ions.
The invention has the beneficial effects that: the inorganic dry powder coating capable of releasing anions is more environment-friendly, free of volatile VOC, gas-proof and flame-retardant, can release anions for a long time and is efficient in antibacterial, and can play a role in purifying indoor air; meanwhile, by adding a plurality of inorganic material powders, the consumption of organic resin is reduced, the cost of the coating is reduced, and the prepared inorganic dry powder coating has stable chemical property, wear resistance, heat resistance, good surface property and adhesive force and can shorten the drying time of the coating film.
The preparation method of the inorganic dry powder coating capable of releasing anions is simple, convenient to operate and control, beneficial to industrial production, and capable of effectively overcoming the defects existing in the conventional soil curing process.
Detailed Description
The invention will be further illustrated by the following examples, which are not intended to limit the scope of the invention, in order to facilitate the understanding of those skilled in the art.
Example 1
An inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: 10% of cement, 35% of calcium carbonate, 15% of quartz sand and 10% of limestone;
b) Auxiliary materials: 1.5% of calcium sulfate whisker, 0.3% of bentonite, 0.05% of retarder, 1.5% of anion powder, 0.05% of catalyst, 0.05% of defoamer, 0.2% of magnesium aluminum silicate and 0.05% of vitrified micro bubble.
The cement is silicate cement, and the fineness of the cement is 380 meshes.
The negative ion powder is tourmaline.
The catalyst is nano titanium dioxide.
The defoaming agent is modified polysiloxane, and 5300 defoaming agent produced by Aike New materials Co., huizhou is adopted as the modified polysiloxane.
The retarder is citrate, and the citrate is Ixazomib citrate.
The inorganic dry powder coating capable of releasing anions is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 30min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 40 minutes to obtain the inorganic dry powder coating capable of releasing negative ions.
Example 2
An inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: 20% of cement, 36% of calcium carbonate, 16% of quartz sand and 11% of limestone;
b) Auxiliary materials: 1.6% of calcium sulfate whisker, 0.35% of bentonite, 0.06% of retarder, 1.6% of anion powder, 0.06% of catalyst, 0.06% of defoamer, 0.23% of magnesium aluminum silicate and 0.06% of vitrified micro bubble.
The cement is silicate cement, and the fineness of the cement is 390 meshes.
The negative ion powder is tourmaline.
The catalyst is nano titanium dioxide.
The defoaming agent is an organosilicon polyether composite defoaming agent, and the organosilicon polyether composite defoaming agent adopts SXP-107 organosilicon polyether composite defoaming agent.
The retarder is phosphate, and the phosphate is phosphate with the model of djlsn-4154.
The inorganic dry powder coating capable of releasing anions is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 33 minutes to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 45min to obtain the inorganic dry powder coating capable of releasing negative ions.
Example 3
An inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: 30% of cement, 37% of calcium carbonate, 17% of quartz sand and 12% of limestone;
b) Auxiliary materials: 1.7% of calcium sulfate whisker, 0.4% of bentonite, 0.08% of retarder, 1.7% of anion powder, 0.08% of catalyst, 0.08% of defoamer, 0.25% of magnesium aluminum silicate and 0.08% of vitrified micro bubble.
The cement is silicate cement, and the fineness of the cement is 400 meshes.
The negative ion powder is tourmaline.
The catalyst is nano titanium dioxide.
The defoaming agent is modified polysiloxane, and 5300 defoaming agent produced by Aike New materials Co., huizhou is adopted as the modified polysiloxane.
The retarder is citrate, and the citrate is Ixazomib citrate.
The inorganic dry powder coating capable of releasing anions is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 35min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 50min to obtain the inorganic dry powder coating capable of releasing negative ions.
Example 4
An inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: 40% of cement, 39% of calcium carbonate, 18% of quartz sand and 14% of limestone;
b) Auxiliary materials: 1.8% of calcium sulfate whisker, 0.45% of bentonite, 0.09% of retarder, 1.8% of anion powder, 0.09% of catalyst, 0.09% of defoamer, 0.28% of magnesium aluminum silicate and 0.09% of vitrified micro bubble.
The cement is silicate cement, and the fineness of the cement is 410 meshes.
The negative ion powder is tourmaline.
The catalyst is tetrapod zinc oxide whisker.
The defoaming agent is an organosilicon polyether composite defoaming agent, and the organosilicon polyether composite defoaming agent adopts SXP-107 organosilicon polyether composite defoaming agent.
The retarder is phosphate, and the phosphate is phosphate with the model of djlsn-4154.
The inorganic dry powder coating capable of releasing anions is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 38min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 55 minutes to obtain the inorganic dry powder coating capable of releasing negative ions.
Example 5
An inorganic dry powder coating capable of releasing anions comprises the following raw materials in percentage by weight:
a) Main materials: cement 50%, calcium carbonate 40%, quartz sand 20% and limestone 15%;
b) Auxiliary materials: 2% of calcium sulfate whisker, 0.5% of bentonite, 0.1% of retarder, 2.0% of anion powder, 0.1% of catalyst, 0.1% of defoamer, 0.3% of magnesium aluminum silicate and 0.1% of vitrified micro bubble.
The cement is silicate cement, and the fineness of the cement is 420 meshes.
The negative ion powder is tourmaline.
The catalyst is nano titanium dioxide.
The defoaming agent is an organosilicon polyether composite defoaming agent, and the organosilicon polyether composite defoaming agent adopts SXP-107 organosilicon polyether composite defoaming agent.
The retarder is citrate, and the citrate is Ixazomib citrate.
The inorganic dry powder coating capable of releasing anions is prepared by the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 40min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 60 minutes to obtain the inorganic dry powder coating capable of releasing negative ions.
The performance of the inorganic dry powder coating prepared in the embodiment 3 is tested according to the method for testing the generation amount of negative ions of materials in the building industry standard JC/T1016-2006 of the people's republic of China, and the VOC content is detected according to the national standard GB18582-2008 of the quantity of harmful substances in the interior wall coating of interior decoration materials of the people's republic of China. Through detection, the release amount of the negative ions reaches 1340/s.cm 2 The environment-friendly paint does not generate harmful substances such as VOC, heavy metal, benzene, formaldehyde and the like, and has excellent environment-friendly characteristics;
the inorganic dry powder coating prepared in the embodiment 3 is coated into a film, the film is put into a container, a certain amount of prepared formaldehyde solution is added into the container, an incandescent lamp is turned on to start illumination after sealing, and then the formaldehyde content in the container is measured by a formaldehyde detector at regular intervals, so that the effect of photocatalytic degradation of formaldehyde by the titanium dioxide coating is obtained: the initial concentration (ppm) of formaldehyde is 2761.23, the concentration (ppm) of formaldehyde is 360.38 after illumination for 8 hours, and the concentration (ppm) of formaldehyde is 121.48 after illumination for 12 hours;
the inorganic material obtained in example 3The dry powder paint is respectively coated on 4 wood boards with the thickness of 1mm, then the coated wood boards are cut into small pieces with the thickness of 10 multiplied by 10mm, and the corresponding small pieces are respectively put into 8 wood boards with the concentration of 2 multiplied by 10 by adopting a shaking method 5 In a shaking flask of CFU/mmL of Escherichia coli and Staphylococcus aureus, the flask was shaken for 4 hours at a shaking speed of 250 rpm, and then a bacterial solution was tested: the killing rate of the escherichia coli is 99.9 percent, and the killing rate of the staphylococcus aureus is 99.8 percent.
The tests show that the inorganic dry powder paint capable of releasing anions is more environment-friendly, free of volatile VOC, gas-proof, flame-retardant, capable of releasing anions for a long time and efficient antibacterial, and capable of purifying indoor air.
The above embodiments are preferred embodiments of the present invention, and besides, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.

Claims (9)

1. An inorganic dry powder coating capable of releasing anions, which is characterized in that: comprises the following raw materials in percentage by weight:
a) Main materials: 10-50% of cement, 35-40% of calcium carbonate, 15-20% of quartz sand and 10-15% of limestone;
b) Auxiliary materials: 1.5 to 2 percent of calcium sulfate whisker, 0.3 to 0.5 percent of bentonite, 0.05 to 0.1 percent of retarder, 1.5 to 2.0 percent of anion powder, 0.05 to 0.1 percent of catalyst, 0.05 to 0.1 percent of defoamer, 0.2 to 0.3 percent of magnesium aluminum silicate and 0.05 to 0.1 percent of vitrified micro bubble.
2. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the inorganic dry powder coating comprises the following raw materials in percentage by weight:
a) Main materials: 15-50% of cement, 35-40% of calcium carbonate, 15-20% of quartz sand and 10-15% of limestone;
b) Auxiliary materials: 1.5 to 2 percent of calcium sulfate whisker, 0.3 to 0.5 percent of bentonite, 0.05 to 0.1 percent of retarder, 1.5 to 2.0 percent of anion powder, 0.05 to 0.1 percent of catalyst, 0.05 to 0.1 percent of defoamer, 0.2 to 0.3 percent of magnesium aluminum silicate and 0.05 to 0.1 percent of vitrified micro bubble.
3. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the cement is at least one of silicate cement, ordinary silicate cement, slag silicate cement, pozzolanic silicate cement and composite silicate cement.
4. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the fineness of the cement is 380-420 meshes.
5. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the negative ion powder is tourmaline.
6. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the catalyst is tetrapod-like zinc oxide whisker or nano titanium dioxide.
7. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the defoaming agent is modified polysiloxane or organic silicon polyether composite defoaming agent.
8. An inorganic dry powder coating capable of releasing anions according to claim 1, wherein: the retarder is citrate or phosphate.
9. A method for preparing the inorganic dry powder coating capable of releasing anions according to any one of claims 1 to 8, which is characterized in that: the preparation method comprises the following steps:
s1, weighing retarder, calcium sulfate whisker, bentonite, defoamer, magnesium aluminum silicate and vitrified micro bubble according to parts by weight, adding the weighed raw materials into a reaction kettle, mixing and stirring for 30-40min to obtain a mixture A for later use;
s2, adding the negative ion powder and the catalyst into a reaction kettle according to parts by weight, and uniformly mixing and stirring to obtain negative ion composite powder for later use;
and S3, adding cement, calcium carbonate, quartz sand, limestone and the mixture A prepared in the step S1 and the negative ion composite powder obtained in the step S2 into a reaction kettle according to parts by weight, and mixing and stirring for 40-60min to obtain the inorganic dry powder coating capable of releasing negative ions.
CN202310711298.6A 2023-06-15 2023-06-15 Inorganic dry powder paint capable of releasing anions and preparation method thereof Pending CN116535885A (en)

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CN108675701A (en) * 2018-06-22 2018-10-19 广西福美新材料有限公司 A kind of inorganic dry powder painting that can remove aldehyde antibacterial
CN108821679A (en) * 2018-06-26 2018-11-16 郑州高聚粉体科技有限公司 A kind of inorganic ecological wall material and preparation method thereof to be purified the air of a room by releasing negative oxygen ion
CN109516755A (en) * 2018-12-27 2019-03-26 河南强耐新材股份有限公司 A kind of dedicated gypsum based self-leveling mortar of floor heating backfill
CN110054919A (en) * 2019-05-23 2019-07-26 河南省建筑科学研究院有限公司 A kind of inorganic ecological wall material and preparation method thereof, application method
CN111362641A (en) * 2020-03-24 2020-07-03 刘飞跃 Efficient environment-friendly antibacterial mildew-proof nano film-forming agent-containing coating and preparation method thereof
CN116023812A (en) * 2023-02-08 2023-04-28 漳州海耀绿阑新材料有限公司 Preparation method of high-performance inorganic powder coating
CN116041997A (en) * 2022-12-24 2023-05-02 上海墙特节能材料有限公司 Inorganic dry powder coating and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104804504A (en) * 2015-05-08 2015-07-29 陈松陶 Inorganic mineral sand putty with decoration performance
CN108675701A (en) * 2018-06-22 2018-10-19 广西福美新材料有限公司 A kind of inorganic dry powder painting that can remove aldehyde antibacterial
CN108821679A (en) * 2018-06-26 2018-11-16 郑州高聚粉体科技有限公司 A kind of inorganic ecological wall material and preparation method thereof to be purified the air of a room by releasing negative oxygen ion
CN109516755A (en) * 2018-12-27 2019-03-26 河南强耐新材股份有限公司 A kind of dedicated gypsum based self-leveling mortar of floor heating backfill
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CN111362641A (en) * 2020-03-24 2020-07-03 刘飞跃 Efficient environment-friendly antibacterial mildew-proof nano film-forming agent-containing coating and preparation method thereof
CN116041997A (en) * 2022-12-24 2023-05-02 上海墙特节能材料有限公司 Inorganic dry powder coating and preparation method thereof
CN116023812A (en) * 2023-02-08 2023-04-28 漳州海耀绿阑新材料有限公司 Preparation method of high-performance inorganic powder coating

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