CN111518446A - Interior wall coating capable of removing formaldehyde and preparation method thereof - Google Patents
Interior wall coating capable of removing formaldehyde and preparation method thereof Download PDFInfo
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- CN111518446A CN111518446A CN202010408222.2A CN202010408222A CN111518446A CN 111518446 A CN111518446 A CN 111518446A CN 202010408222 A CN202010408222 A CN 202010408222A CN 111518446 A CN111518446 A CN 111518446A
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- interior wall
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- removing formaldehyde
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- 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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a preparation method of interior wall paint capable of removing formaldehyde, which comprises the following steps: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry; pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use; sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min; the invention adopts natural shell powder, and the shell powder subjected to a special calcination process is introduced into the emulsion paint coating, so that the problems of poor contamination resistance, poor scrubbing resistance and incapability of decomposing formaldehyde of the conventional shell powder coating are solved, and the prepared coating not only has the performance characteristics of decoration, pollution resistance and the like of the conventional emulsion paint, but also has the function of removing formaldehyde.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an interior wall coating capable of removing formaldehyde and a preparation method thereof.
Background
Formaldehyde is a chemical substance commonly existing in chemical products, is colorless and has the characteristic of pungent smell, and is added into various decoration materials such as coatings, paints and glues. Therefore, the newly decorated house can smell pungent smell and can live after being opened for ventilation and airing for a period of time. The main harm of formaldehyde is mainly shown in the following aspects, firstly, the formaldehyde has an irritation effect on skin mucous membranes, when people reach a certain concentration, eyes can be red, eyes can be itchy, throat discomfort or pain, and hoarseness can be caused, even sneezing and rhinorrhea can be caused, and in severe cases, chest distress and shortness of breath can be caused, and allergic conditions such as long rash, pruritus and the like can be seen on the skin. The effect of anaphylaxis to human body is very obvious, such as acute attack of bronchial asthma, acute attack of anaphylactic cough, acute exacerbation or acute attack of anaphylactic dermatitis and the like, and more serious tumors can also cause gene mutation, such as nasopharyngeal malignant tumor. Therefore, if the house lives in a house with excessive formaldehyde, various symptoms can be caused to cause poisoning after a long time, such as anorexia, insomnia, dreaminess, hypomnesis and the like. Formaldehyde is particularly harmful to pregnant women, infants and the elderly, and can cause growth and development deformity and carcinogenesis of children, which are irreversible harm. Therefore, the harm of formaldehyde to human beings must be paid attention to in daily life so as to avoid irreparable consequences.
The existing formaldehyde-removing coating mainly absorbs formaldehyde, can not remove the formaldehyde, can meet the requirement of reducing the indoor formaldehyde content, but can slowly release the formaldehyde to cause secondary harm of the formaldehyde, and the conventional shell powder coating has poor contamination resistance and poor scrubbing resistance.
Disclosure of Invention
The invention aims to provide an interior wall coating capable of absorbing formaldehyde and removing formaldehyde and a preparation method thereof.
In order to solve the technical problems, the technical scheme of the invention is a preparation method of an interior wall coating capable of removing formaldehyde, which comprises the following steps:
s1: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry;
s2: pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use;
s3: sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min;
the interior wall coating capable of removing formaldehyde comprises the following components in percentage by mass: 35-40% of emulsion, 15-18% of shell powder, 12-15% of pigment, 4-5% of talcum powder, 0.6-1% of dispersing agent, 0.1-0.2% of wetting agent, 0.15-0.2% of defoaming agent, 2-2.5% of film-forming additive, 0.8-1% of thickening agent and 20-24% of water.
As a preferred embodiment, the wetting agent is selected from anionic surfactants; the anionic surfactant is one or a mixture of more than two of alkyl sulfate, sulfonate, carboxylic acid soap and phosphate.
As a preferred embodiment, the emulsion is an elastomeric emulsion that is a copolymer of n-butyl acrylate and silicone.
In a preferred embodiment, the shell powder is ground by oyster shell, and the particle size of the shell powder is 20-25 μm.
In a preferred embodiment, the pigment is one or a mixture of more than two of titanium dioxide, titanium nickel yellow, bismuth vanadate yellow, chrome yellow, strontium yellow, ferromanganese black, copper chrome black, iron titanium black, carbon black, cobalt blue, titanium chrome brown, iron chrome brown, chrome green, cobalt green, molybdenum chrome red, iron red, pearlescent pigment, aluminum silver paste, mica powder, transparent silica and transparent alumina.
As a preferred embodiment, the defoamer is selected from polyether defoamers; the film forming assistant is selected from propylene glycol methyl ether acetate.
According to the invention, the natural shell powder is adopted, the shell powder subjected to a special calcination process is introduced into the emulsion paint coating, and the problems of poor stain resistance, poor scrub resistance and incapability of decomposing formaldehyde of the conventional shell powder coating are solved, so that the prepared coating not only has the performance characteristics of decoration, stain resistance and the like of the conventional emulsion paint, but also has the function of removing formaldehyde, and by adopting the technical scheme, the prepared interior wall coating capable of removing formaldehyde is sprayed on an interior wall, wherein the interior formaldehyde is absorbed by utilizing the action mechanism of self-adsorption and degradation of formaldehyde of the shell powder, and the content of formaldehyde in the interior wall coating can be effectively reduced to 0.01ppm by testing in a closed environment; the interior wall coating capable of removing formaldehyde has strong water resistance, the water resistance of a plate test is no abnormity for 14 days, and the scrubbing resistance meets the national standard requirement.
Detailed Description
The following examples further illustrate embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
A preparation method of interior wall paint capable of removing formaldehyde comprises the following steps:
s1: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry;
s2: pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use;
s3: sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min;
the interior wall coating capable of removing formaldehyde comprises the following components in percentage by weight: 35kg of emulsion, 15kg of shell powder, 12kg of pigment, 4kg of talcum powder, 0.6kg of dispersing agent, 0.1kg of wetting agent, 0.15kg of defoaming agent, 2kg of film-forming assistant, 0.8kg of thickening agent and 20kg of water.
Example one prepared interior wall coating capable of removing formaldehyde can be sprayed by the following method:
(1) surface treatment
The inner wall is used for removing stains and sand dust on the surface by using high-pressure air, the construction base surfaces of the wall surface and the ground are cleaned to be free of floating dust and loosening phenomenon, the base surfaces are dried, and the water content is lower than 10%; the treated inner wall is sprayed within 4 hours and sprayed within 0.5 hour in humid weather;
(2) spray paint
Fully and uniformly stirring the water velvet paint containing negative oxygen ions, filtering the water velvet paint by using a filter screen of 300 meshes during spraying, spraying the water velvet paint under the normal air condition, adopting quick thin spraying during the first spraying, uniformly spraying longitudinally and vertically, controlling the thickness to be 15-20 mu m, then directly spraying the water velvet paint for the second time without cooling, controlling the thickness to be 25-35 mu m according to requirements, cleaning a spray gun by using butyl ester after spraying, and naturally drying the sprayed surface.
The test results are shown in Table 1 according to the test methods of GB/T10295-2008 and JG/T235-2008
Example two
A preparation method of interior wall paint capable of removing formaldehyde comprises the following steps:
s1: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry;
s2: pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use;
s3: sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min;
the interior wall coating capable of removing formaldehyde comprises the following components in percentage by weight: 38kg of emulsion, 17kg of shell powder, 13kg of pigment, 4.5kg of talcum powder, 0.8kg of dispersing agent, 0.17kg of wetting agent, 0.18kg of defoaming agent, 2.3kg of film-forming additive, 0.85kg of thickening agent and 22kg of water.
The interior wall coating capable of removing formaldehyde prepared in example two can be sprayed in the following way:
(1) surface treatment
The inner wall is cleaned by high-pressure air to remove stains and sand dust on the surface until no floating dust and no loose phenomenon exist, the base surface is dry, and the water content is lower than 10%; the treated inner wall is sprayed within 4 hours and sprayed within 0.5 hour in humid weather;
(2) spray paint
Fully and uniformly stirring the water velvet paint containing negative oxygen ions, filtering the water velvet paint by using a filter screen of 300 meshes during spraying, spraying the water velvet paint under the normal air condition, adopting quick thin spraying during the first spraying, uniformly spraying longitudinally and vertically, controlling the thickness to be 15-20 mu m, then directly spraying the water velvet paint for the second time without cooling, controlling the thickness to be 25-35 mu m according to requirements, cleaning a spray gun by using butyl ester after spraying, and naturally drying the sprayed surface.
The test results are shown in Table 2 according to the test methods of GB/T10295-2008 and JG/T235-2008
EXAMPLE III
A preparation method of interior wall paint capable of removing formaldehyde comprises the following steps:
s1: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry;
s2: pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use;
s3: sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min;
the interior wall coating capable of removing formaldehyde comprises the following components in percentage by weight: 40kg of emulsion, 18kg of shell powder, 15kg of pigment, 5kg of talcum powder, 1kg of dispersing agent, 0.2kg of wetting agent, 0.2kg of defoaming agent, 2.5kg of film-forming additive, 1kg of thickening agent and 24kg of water.
The interior wall coating capable of removing formaldehyde prepared in example three can be sprayed in the following way:
(1) surface treatment
The inner wall is used for removing stains and sand dust on the surface by using high-pressure air, the construction base surfaces of the wall surface and the ground are cleaned to be free of floating dust and loosening phenomenon, the base surfaces are dried, and the water content is lower than 10%; the treated inner wall is sprayed within 4 hours and sprayed within 0.5 hour in humid weather;
(2) spray paint
Fully and uniformly stirring the water velvet paint containing negative oxygen ions, filtering the water velvet paint by using a filter screen of 300 meshes during spraying, spraying the water velvet paint under the normal air condition, adopting quick thin spraying during the first spraying, uniformly spraying longitudinally and vertically, controlling the thickness to be 15-20 mu m, then directly spraying the water velvet paint for the second time without cooling, controlling the thickness to be 25-35 mu m according to requirements, cleaning a spray gun by using butyl ester after spraying, and naturally drying the sprayed surface.
The test results are shown in Table 3 according to the test methods of GB/T10295-2008 and JG/T235-2008
The embodiments of the present invention have been described in detail with reference to the examples, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (6)
1. A preparation method of interior wall paint capable of removing formaldehyde is characterized by comprising the following steps: the method comprises the following steps:
s1: adding shell powder, titanium dioxide, talcum powder, dispersing agent and water into a stirring cylinder, starting a stirrer, and fully stirring the stirrer at 1500r/min for 20min to prepare prefabricated slurry;
s2: pumping the prefabricated slurry into a sand mill, performing sand milling dispersion for 30min, and preparing into a primer for later use;
s3: sequentially adding the emulsion, the wetting agent, the defoaming agent and the film-forming assistant into a stirring kettle, keeping the stirring kettle at 800r/min, stirring at a low speed, slowly adding the prepared prefabricated slurry, adjusting the rotating speed of the stirring kettle, and dispersing for 30 minutes at 1000 r/min;
the interior wall coating capable of removing formaldehyde comprises the following components in percentage by mass: 35-40% of emulsion, 15-18% of shell powder, 12-15% of pigment, 4-5% of talcum powder, 0.6-1% of dispersing agent, 0.1-0.2% of wetting agent, 0.15-0.2% of defoaming agent, 2-2.5% of film-forming additive, 0.8-1% of thickening agent and 20-24% of water.
2. The method for preparing the interior wall coating capable of removing formaldehyde according to claim 1, wherein the method comprises the following steps: the wetting agent is selected from anionic surfactants; the anionic surfactant is one or a mixture of more than two of alkyl sulfate, sulfonate, carboxylic acid soap and phosphate.
3. The method for preparing the interior wall coating capable of removing formaldehyde according to claim 1, wherein the method comprises the following steps: the emulsion is elastic emulsion which is a copolymer of n-butyl acrylate and organic silicon.
4. The method for preparing the interior wall coating capable of removing formaldehyde according to claim 1, wherein the method comprises the following steps: the shell powder is obtained by grinding oyster shell, and the particle size of the shell powder is 20-25 μm.
5. The method for preparing the interior wall coating capable of removing formaldehyde according to claim 1, wherein the method comprises the following steps: the pigment is one or a mixture of more than two of titanium dioxide, titanium nickel yellow, bismuth vanadate yellow, chrome yellow, strontium yellow, manganese iron black, copper chromium black, iron titanium black, carbon black, cobalt blue, titanium chromium brown, iron chromium brown, chromium green, cobalt green, molybdenum chromium red, iron red, pearlescent pigment, aluminum silver paste, mica powder, transparent silicon dioxide and transparent aluminum oxide.
6. The method for preparing the interior wall coating capable of removing formaldehyde according to claim 1, wherein the method comprises the following steps: the defoaming agent is selected from polyether defoaming agents; the film forming assistant is selected from propylene glycol methyl ether acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010408222.2A CN111518446A (en) | 2020-05-14 | 2020-05-14 | Interior wall coating capable of removing formaldehyde and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010408222.2A CN111518446A (en) | 2020-05-14 | 2020-05-14 | Interior wall coating capable of removing formaldehyde and preparation method thereof |
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| CN111518446A true CN111518446A (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010408222.2A Pending CN111518446A (en) | 2020-05-14 | 2020-05-14 | Interior wall coating capable of removing formaldehyde and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114181596A (en) * | 2021-10-20 | 2022-03-15 | 中国科学院宁波材料技术与工程研究所 | Polymer-mussel shell powder composite anti-biofouling coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268211A (en) * | 2011-07-16 | 2011-12-07 | 江苏冠军涂料科技集团有限公司 | Shell powder biological environment-friendly internal wall coating |
| CN103602187A (en) * | 2013-11-11 | 2014-02-26 | 苏州市姑苏新型建材有限公司 | Method for preparing interior wall coating material for absorbing and decomposing formaldehyde |
| CN109251608A (en) * | 2018-09-14 | 2019-01-22 | 深圳市涂百年绿色建材有限公司 | A kind of environmental protection oyster shell whiting biology coating and preparation method thereof |
| CN110734672A (en) * | 2019-11-11 | 2020-01-31 | 广东狮力德建材有限公司 | interior wall coating and preparation method thereof |
-
2020
- 2020-05-14 CN CN202010408222.2A patent/CN111518446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268211A (en) * | 2011-07-16 | 2011-12-07 | 江苏冠军涂料科技集团有限公司 | Shell powder biological environment-friendly internal wall coating |
| CN103602187A (en) * | 2013-11-11 | 2014-02-26 | 苏州市姑苏新型建材有限公司 | Method for preparing interior wall coating material for absorbing and decomposing formaldehyde |
| CN109251608A (en) * | 2018-09-14 | 2019-01-22 | 深圳市涂百年绿色建材有限公司 | A kind of environmental protection oyster shell whiting biology coating and preparation method thereof |
| CN110734672A (en) * | 2019-11-11 | 2020-01-31 | 广东狮力德建材有限公司 | interior wall coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114181596A (en) * | 2021-10-20 | 2022-03-15 | 中国科学院宁波材料技术与工程研究所 | Polymer-mussel shell powder composite anti-biofouling coating and preparation method thereof |
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Application publication date: 20200811 |