CN113105775A - Novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint - Google Patents
Novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint Download PDFInfo
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- CN113105775A CN113105775A CN202010026949.4A CN202010026949A CN113105775A CN 113105775 A CN113105775 A CN 113105775A CN 202010026949 A CN202010026949 A CN 202010026949A CN 113105775 A CN113105775 A CN 113105775A
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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
- C09D5/08—Anti-corrosive paints
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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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
- C09D5/025—Preservatives, e.g. antimicrobial agents
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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)
- Dispersion Chemistry (AREA)
- Plant Pathology (AREA)
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Abstract
The invention relates to a novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint, wherein the emulsion paint green anticorrosion system consists of rapid bactericides (DBNPA and CMIT), long-acting durable bactericides (MIT and BIT) and dry film mildewproof agents (IPBC and OIT and ZPT), no reaction occurs among preservatives, and the phenomenon of reduction of anticorrosion and mildewproof effects caused by the reaction among different types of preservatives can not occur; by adjusting the dosage of each preservative in the preservative combination, a novel preservative combination which not only meets the standard GB/T35602-2017, but also has no adverse effect on the original performance of the product is obtained. The emulsion paint green anticorrosion system is combined under the excellent in-tank antibacterial and dry film mildew-proof performances, and has the advantages of being green and environment-friendly to human bodies and environments and the like.
Description
Technical Field
The invention belongs to the field of coating corrosion prevention, and particularly relates to a novel emulsion paint green corrosion prevention system and application thereof in interior wall emulsion paint.
Background
In the preparation process of the coating, in order to improve the workability and the paint film performance of the coating, the added auxiliary agent often contains nutrients necessary for microorganisms, which provides a good growth environment for the microorganisms such as bacteria, mold, yeast and the like. In the storage process of the water-based paint, the product performance is damaged and the quality is reduced due to the propagation of bacteria, so that the phenomena of paint surface discoloration, viscosity reduction, pH value change, odor generation, even surface mildew generation and the like occur. Eventually resulting in the disposal of the coating, which is lost to the user and the manufacturer. Therefore, when producing and storing the coating, certain antibacterial and antiseptic agents must be added to inhibit and prevent the survival of microorganisms so as to ensure the quality of the product. After the water-based paint is formed into a film, a paint film has certain water absorption, so mildew can grow under proper warm and humid conditions, and a paint film mildew preventive is required to be used for eliminating mildew.
New standard GB/T35602-2017 'Green product evaluation paint' aiming at green paint is issued by Changzhou paint institute in 5 months in 2017, and takes effect in 1 day in 7 months in 2018. The standard content includes that in green products, specific limit requirements are made on the maximum using concentration of the sum of the contents of chloro-methyl-isothiazolinone/methyl-isothiazolinone (3/1) [ CMI/MI (3/1) ], octyl-isothiazolinone (OIT), Benzisothiazolinone (BIT), methyl-isothiazolinone (MIT), dichloro-octyl-isothiazolinone (DCOIT) and isothiazolinone in the bactericide part in a can, and the bactericide containing carbendazim, diuron, chlorothalonil and triclosan is prohibited from being added in the bactericide part in a dry film.
Therefore, the search for a new, safe, efficient, and environmentally friendly latex paint preservative system is an urgent research direction in the coating industry today.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint, wherein a novel antiseptic combination which not only meets the standard GB/T35602-containing 2017 (green product evaluation paint) but also has no adverse effect on the original performance of the product is obtained by adjusting the dosage of each antiseptic in the selected antiseptic type combination, and the emulsion paint green anticorrosion system has the advantages of environmental protection on human bodies and bad environments and the like under the excellent in-tank antibacterial and dry film mildew resistance.
In order to solve the problems, the invention is realized by the following technical scheme:
the invention relates to a green latex paint anticorrosion system which comprises the following components in parts by weight:
the paint comprises the following components in parts by weight:
the invention also relates to an interior wall latex paint which comprises the latex paint green preservative system.
The interior wall latex paint of the invention is further optimized as follows:
according to the total weight of the interior wall latex paint, the concentrations of various preservatives in the latex paint green anticorrosion system are as follows:
the interior wall latex paint of the invention is further optimized as follows:
the interior wall latex paint also comprises the following components in parts by weight:
the interior wall latex paint of the invention is further optimized as follows:
the pigment and the filler comprise pigments and fillers, and the pigment and the filler are selected from the following substances:
rutile type titanium dioxide, calcium carbonate, kaolin, wollastonite, silica, mica powder, talcum powder and diatomite; and/or
The film-forming material is selected from the group consisting of:
one or more of pure acrylic emulsion, styrene-acrylic emulsion, vinyl acetate-acrylic emulsion and silicone-acrylic emulsion.
The interior wall latex paint of the invention is further optimized as follows:
the defoaming agent is selected from the following group: one or more of organic silicon defoaming agent and mineral oil defoaming agent; and/or
The dispersant is selected from the group consisting of: anionic dispersants, preferably selected from the group consisting of: one or more of polycarboxylate, polyphosphate and polyacrylate; and/or
The wetting agent is a nonionic surfactant; and/or
The film-forming aid is selected from the group consisting of: one or more of alcohol ester solvent, Texanol, Coasol and Coasol 290; and/or
The first, second and third thickeners are each independently selected from the group consisting of: one or more of cellulose thickening agent, alkali swelling thickening agent, polyurethane thickening agent and inorganic thickening agent; and/or
The pH regulator is selected from the group consisting of: ammonia water, organic alcamines and/or organic amines.
The interior wall latex paint of the invention is further optimized as follows:
the first thickening agent is a cellulose thickening agent;
the second thickening agent is an alkali swelling thickening agent;
the third thickening agent is a polyurethane thickening agent.
The invention also relates to a preparation method of the interior wall latex paint, which comprises the following preparation steps:
a. providing a first mixture and a second mixture:
wherein said first mixture is prepared as follows:
under the condition of stirring, uniformly mixing part of water, a first thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a wetting agent and pigment and filler;
wherein said second mixture is prepared as follows:
under the condition of stirring, uniformly mixing a film forming substance, a film forming auxiliary agent, the emulsion paint green anticorrosion system, the second thickening agent, the third thickening agent and the rest water;
b. adding said second mixture to said first mixture under agitation to provide said interior wall latex paint.
The preparation method of the interior wall latex paint is further optimized as follows:
in the preparation process of the second mixture, under the stirring condition, the rapid in-tank bactericides respectively containing DBNPA and CMIT, the long-acting durable in-tank bactericides respectively containing MIT and BIT, the film-forming substance, the film-forming auxiliary agent, the dry film mildew preventive respectively containing IPBC, OIT and ZPT, the second thickening agent, the third thickening agent and the rest of water are mixed uniformly.
The novel emulsion paint green anticorrosion system has the following characteristics and advantages:
1. the emulsion paint green anticorrosion system consists of a rapid bactericide (DBNPA and CMIT), a long-acting durable bactericide (MIT and BIT) and a dry film mildew inhibitor (IPBC and OIT and ZPT), and the corrosion inhibitors have no reaction and the phenomenon of the reduction of the anticorrosion and mildew-proof effects caused by the reaction of different preservatives does not occur.
2. The key technical point of the emulsion paint green anticorrosion system is that a new preservative combination which not only meets the standard GB/T35602-2017 (green product evaluation coating) but also has no adverse effect on the original performance of a product is obtained by adjusting the dosage of each preservative in the used preservative combination.
3. The innovation point and the development point of the emulsion paint green preservative system are that a novel preservative combination is provided, and the greatest difference from the existing preservative combination is the selection and the dosage of the type of the preservative. The emulsion paint green anticorrosion system combination has excellent in-tank antibacterial and dry film mildew resistance, and has the advantages of being green and environment-friendly to human bodies and environments and the like.
4. The emulsion paint green anticorrosion system has better anticorrosion and mildewproof effects in the anticorrosion and mildewproof limit challenge test.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. The simple improvement of the preparation method of the invention on the premise of the conception of the invention belongs to the protection scope of the invention.
Example 1 preparation method of interior wall latex paint
A preparation method of interior wall latex paint comprises the following preparation steps:
a. providing a first mixture and a second mixture:
wherein said first mixture is prepared as follows:
under the condition of stirring, uniformly mixing part of water, a first thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a wetting agent and pigment and filler;
wherein said second mixture is prepared as follows:
under the condition of stirring, uniformly mixing a film forming substance, a film forming additive, an emulsion paint green anticorrosion system, a second thickening agent, a third thickening agent and the rest of water;
b. adding said second mixture to said first mixture under agitation to provide said interior wall latex paint.
The preparation method of the interior wall latex paint is further optimized as follows:
in the preparation process of the second mixture, under the stirring condition, the rapid in-tank bactericides respectively containing DBNPA and CMIT, the long-acting durable in-tank bactericides respectively containing MIT and BIT, the film-forming substance, the film-forming auxiliary agent, the dry film mildew preventive respectively containing IPBC, OIT and ZPT, the second thickening agent, the third thickening agent and the rest of water are mixed uniformly.
The emulsion paint green anticorrosion system comprises the following components in parts by weight:
the latex paint green antiseptic system can be prepared by a common method in the industry, and can also be prepared according to a preparation method provided by a corresponding manufacturer.
Wherein, according to the total weight of the interior wall latex paint, the concentrations of various preservatives in the latex paint green anticorrosion system are as follows:
the interior wall latex paint also comprises the following components in parts by weight:
the interior wall latex paint of the invention is further optimized as follows:
wherein the pigment and the filler comprise pigments and fillers, and the pigment and the filler are selected from the following substances:
rutile type titanium dioxide, calcium carbonate, kaolin, wollastonite, silica, mica powder, talcum powder and diatomite; and/or
The film-forming material is selected from the group consisting of:
one or more of pure acrylic emulsion, styrene-acrylic emulsion, vinyl acetate-acrylic emulsion and silicone-acrylic emulsion.
The interior wall latex paint of the invention is further optimized as follows:
wherein the defoamer is selected from the group consisting of: one or more of organic silicon defoaming agent and mineral oil defoaming agent; and/or
The dispersant is selected from the group consisting of: anionic dispersants, preferably selected from the group consisting of: one or more of polycarboxylate, polyphosphate and polyacrylate; and/or
The wetting agent is a nonionic surfactant; and/or
The film-forming aid is selected from the group consisting of: one or more of alcohol ester solvent, Texanol, Coasol and Coasol 290; and/or
The first, second and third thickeners are each independently selected from the group consisting of: one or more of cellulose thickening agent, alkali swelling thickening agent, polyurethane thickening agent and inorganic thickening agent; and/or
The pH regulator is selected from the group consisting of: ammonia water, organic alcamines and/or organic amines.
The interior wall latex paint of the invention is further optimized as follows:
the first thickening agent is a cellulose thickening agent;
the second thickening agent is an alkali swelling thickening agent;
the third thickening agent is a polyurethane thickening agent.
The emulsion paint green anticorrosion system consists of a rapid bactericide (DBNPA and CMIT), a long-acting durable bactericide (MIT and BIT) and a dry film mildew inhibitor (IPBC and OIT and ZPT), and the corrosion inhibitors have no reaction and the phenomenon of the reduction of the anticorrosion and mildew-proof effects caused by the reaction of different preservatives does not occur. By adjusting the dosage of each preservative in the selected preservative type combination, a new preservative combination which not only meets the standard GB/T35602-plus 2017 (green product evaluation coating) but also has no adverse effect on the original performance of the product is obtained, and the green preservative system of the emulsion paint has the advantages of excellent in-tank antibacterial and dry film mildew resistance, green environmental protection on human bodies and the environment and the like.
Wherein:
excellent in-can antibacterial properties: the paint product can pass corrosion resistance challenge tests at normal temperature for 6 weeks and 4 weeks after heat storage, and the test results are all 0 grade, and the test method comprises the following steps: carrying out microbial infection once a week on each sample (100g), wherein an inoculum used for infection in each cycle is a mixed bacterial suspension consisting of certain concentrations of bacteria, molds and yeasts, and detecting the quantity of the bacteria, molds and yeasts in the samples on the 2 nd day and the 7 th day after each inoculation;
the judgment is accurate:
grade 0-no growth;
grade 1-1-10 colonies;
grade 2-11-100 colonies;
grade 3-101- & lt300 & gt colonies;
grade 4 ≧ 301 colony.
Wherein: excellent dry film mildew resistance: the paint product can pass a normal-temperature 28-day mildew-proof challenge test, and the test result is 0 grade, and the test method comprises the following steps: preparing a paint film, inoculating a mould spore suspension, checking the activity of the inoculated bacteria after culturing for 7 days, and if no abnormality exists, continuously culturing for 28 days to check the result;
the judgment is accurate:
grade 0-no significant mold growth under about 50 times magnification;
grade 1-no or very little mold growth is visible to the naked eye, but significant mold growth is visible under a magnifying glass;
grade 2, wherein the mold growth is obviously seen by naked eyes, and the coverage area on the surface of the sample is 10-30%;
grade 3, wherein the mold growth is obviously seen by naked eyes, and the coverage area on the surface of the sample is 30-60 percent;
grade 4-the mold growth is clearly visible to the naked eye, and the coverage area on the sample surface is more than 60%.
Table 1 corrosion protection test results
And (4) conclusion: the novel anticorrosion system has no obvious difference from the original anticorrosion system in the conventional anticorrosion challenge test.
TABLE 2 results of the mildew resistance test
And (4) conclusion: the novel anticorrosion system has no obvious difference from the dry film mildew-proof effect of the original anticorrosion system in the conventional mildew-proof challenge test.
TABLE 3 Properties of the products
And (4) conclusion: the application of the novel anticorrosion system in the paint product has no adverse effect on various properties of the product.
TABLE 4 Corrosion Limit test results (Normal temperature test)
TABLE 5 Corrosion limit test results (55 ℃ C. test)
And (4) conclusion: the novel anticorrosion system has better in-tank anticorrosion effect in longer-term detection.
TABLE 6 mildew limit test results
And (4) conclusion: the novel preservative system has better dry film mildew-proof effect in longer-term detection.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; those skilled in the art should also realize that such equivalent variations, modifications, and alterations are possible in light of the above teachings without departing from the spirit and scope of the present invention; meanwhile, any equivalent changes, modifications and evolution made to the above embodiments according to the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The experimental method of the present invention, in which the specific conditions are not specified, is generally carried out under the conventional conditions or the conditions recommended by the manufacturers.
The various optimized technical schemes in the invention can be combined with each other unless otherwise stated.
Unless otherwise indicated, percentages and parts are percentages and parts by weight.
The experimental procedures described in the specification and examples, which do not specify specific conditions, are generally carried out under the conditions which are customary or recommended by the manufacturers.
The various starting materials, reagents, components used in the present invention are, unless otherwise indicated, the corresponding starting materials commonly used in the art.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, any methods and materials similar or equivalent to those described herein can be used in the methods of the present invention.
Claims (9)
1. A green latex paint anticorrosion system is characterized in that:
the paint comprises the following components in parts by weight:
2. an interior wall latex paint is characterized in that:
which comprises the latex paint green preservative system of claim 1.
3. The interior wall latex paint of claim 2, wherein:
according to the total weight of the interior wall latex paint, the concentrations of various preservatives in the latex paint green anticorrosion system are as follows:
4. the interior wall latex paint of claim 2, wherein:
the interior wall latex paint also comprises the following components in parts by weight:
5. the interior wall latex paint of claim 4, wherein:
the pigment and the filler comprise pigments and fillers, and the pigment and the filler are selected from the following substances:
rutile type titanium dioxide, calcium carbonate, kaolin, wollastonite, silica, mica powder, talcum powder and diatomite; and/or
The film-forming material is selected from the group consisting of:
one or more of pure acrylic emulsion, styrene-acrylic emulsion, vinyl acetate-acrylic emulsion and silicone-acrylic emulsion.
6. The interior wall latex paint of claim 4, wherein:
the defoaming agent is selected from the following group: one or more of organic silicon defoaming agent and mineral oil defoaming agent; and/or
The dispersant is selected from the group consisting of: anionic dispersants, preferably selected from the group consisting of: one or more of polycarboxylate, polyphosphate and polyacrylate; and/or
The wetting agent is a nonionic surfactant; and/or
The film-forming aid is selected from the group consisting of: one or more of alcohol ester solvent, Texanol, Coasol and Coasol 290; and/or
The first, second and third thickeners are each independently selected from the group consisting of: one or more of cellulose thickening agent, alkali swelling thickening agent, polyurethane thickening agent and inorganic thickening agent; and/or
The pH regulator is selected from the group consisting of: ammonia water, organic alcamines and/or organic amines.
7. The interior wall latex paint of claim 4, wherein:
the first thickening agent is a cellulose thickening agent;
the second thickening agent is an alkali swelling thickening agent;
the third thickening agent is a polyurethane thickening agent.
8. A method for preparing the interior wall latex paint of claim 4, which is characterized in that:
the preparation method comprises the following preparation steps:
a. providing a first mixture and a second mixture:
wherein said first mixture is prepared as follows:
under the condition of stirring, uniformly mixing part of water, a first thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a wetting agent and pigment and filler;
wherein said second mixture is prepared as follows:
under the condition of stirring, uniformly mixing a film forming substance, a film forming additive, an emulsion paint green anticorrosion system, a second thickening agent, a third thickening agent and the rest of water;
b. adding said second mixture to said first mixture under agitation to provide said interior wall latex paint.
9. The method for preparing an interior wall latex paint according to claim 8, wherein:
in the preparation process of the second mixture, under the stirring condition, the rapid in-tank bactericides respectively containing DBNPA and CMIT, the long-acting durable in-tank bactericides respectively containing MIT and BIT, the film-forming substance, the film-forming auxiliary agent, the dry film mildew preventive respectively containing IPBC, OIT and ZPT, the second thickening agent, the third thickening agent and the rest of water are mixed uniformly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010026949.4A CN113105775A (en) | 2020-01-10 | 2020-01-10 | Novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010026949.4A CN113105775A (en) | 2020-01-10 | 2020-01-10 | Novel emulsion paint green anticorrosion system and application thereof in interior wall emulsion paint |
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| CN113105775A true CN113105775A (en) | 2021-07-13 |
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Cited By (1)
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| CN114438821A (en) * | 2021-12-30 | 2022-05-06 | 四川大学 | Preparation method of antibacterial and mildewproof aramid paper or cloth |
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Application publication date: 20210713 |