CN115746681A - Water-based A-grade fireproof matte interior wall anti-doodling coating - Google Patents
Water-based A-grade fireproof matte interior wall anti-doodling coating Download PDFInfo
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- CN115746681A CN115746681A CN202211234553.4A CN202211234553A CN115746681A CN 115746681 A CN115746681 A CN 115746681A CN 202211234553 A CN202211234553 A CN 202211234553A CN 115746681 A CN115746681 A CN 115746681A
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Abstract
The invention provides a water-based A-grade fireproof matte interior wall anti-doodling coating, which consists of two components of A and B, wherein the component A takes water-based inorganic modified hydroxyl flame-retardant resin as a main film forming substance, and also comprises pigment, filler, an anti-doodling auxiliary agent, a flame retardant, a thickening agent, a defoaming agent and a stabilizer, the pigment comprises titanium dioxide, and the filler comprises mica powder and precipitated barium sulfate; the waterborne polyurethane curing agent is used as a component B. The invention can obtain the following technical effects: 1. the matte effect is good (60-degree gloss: less than 15%), and the gloss is soft and consistent. The knife mark and sand paper printing of the wall body base layer can be effectively shielded, and the decorative effect is improved; 2. the fireproof grade of the coating is A grade, the high temperature resistance is good, the fireproof and flame-retardant effects are realized, and the safety is good; 3. the coating has good anti-graffiti effect, washing resistance, easy cleaning of pollutants on the surface of the coating and lasting decorative effect; 4. the coating film is hard, the hardness is about 2H, and the coating film is scratch-resistant and good in durability.
Description
Technical Field
The invention relates to a water-based grade-A fireproof matte interior wall anti-doodling coating, wherein the grade A is defined in GB8624-2012 'grading of combustion performance of building materials and products'.
Background
With the development of social economy and the improvement of the living standard of people, the requirements of people on daily work and living environment are higher and higher, healthy, safe and functional interior wall coating materials are favored by consumers more and more, the common interior wall latex paint is a common interior wall decoration material for people, the coating has poor performances such as durability, fire resistance, graffiti resistance, decorative effect and the like, the coating lasts for a long time, the coating is easy to have the phenomena of peeling, stripping, dust, yellowing, stains, graffiti difficult to remove and the like, the decorative effect and the service life of the coating are seriously influenced, the film forming substance of the common latex paint is synthetic resin emulsion, the coating is an organic high molecular material, the coating is easy to burn, the safety is poor, and the requirements on interior wall coating effect, safety and functionality are higher for some places such as hospitals, schools, office buildings and the like, and common latex paint is difficult to meet the requirements.
At present, the water-based anti-graffiti coatings on the market are more, mainly comprise water-based two-component acrylic polyurethane coatings, water-based two-component epoxy wall coatings and water-based one-component acrylic self-drying coatings, and generally have the defects of too bright luster, flammability, poor fire resistance, unstable anti-graffiti effect and non-persistence. The luster is too bright, knife marks on the wall body base layer and sand paper printing base defects are easy to show, the luster is uneven, and the patterns are easy to develop; the coating has poor decorative effect, and influences the further popularization of the coating on the market.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water-based A-grade fireproof matte interior wall anti-graffiti coating. Therefore, the invention adopts the following technical scheme:
a water-based A-grade fireproof matte interior wall anti-graffiti coating is characterized by consisting of a component A and a component B, wherein the component A takes water-based inorganic modified hydroxyl flame-retardant resin as a main film forming substance, and also comprises pigment, filler, an anti-graffiti auxiliary agent, a flame retardant, a thickening agent, a defoaming agent and a stabilizer, the pigment comprises titanium dioxide, and the filler comprises mica powder and precipitated barium sulfate; the waterborne polyurethane curing agent is used as a component B.
Further, the formula of the water-based A-grade fireproof matte interior wall anti-graffiti coating comprises the following components in parts by weight:
in the formula, the mica powder is of a sheet structure and can prevent water or other chemical media from permeating into the coating, and the precipitated barium sulfate is an inert material, is acid-resistant and alkali-resistant, has strength, and can improve the strength and chemical resistance of the coating.
The aqueous inorganic modified hydroxyl flame-retardant resin is prepared by the following method:
adding 11-14 parts of non-ionic water, 0.1-0.3 part of non-ionic surfactant, 0.1-0.2 part of anionic surfactant and ammonium persulfate into a clean four-neck flask in sequence, starting stirring and heating, vacuumizing, allowing nitrogen to enter, stopping heating at 80 ℃, starting dropwise adding 56.5 parts of monomer emulsion and ammonium persulfate, carrying out heat preservation reaction after dropwise adding, then cooling to 60 ℃, adjusting the pH value to 9-10, adding 25-35 parts of aqueous inorganic resin liquid, uniformly stirring, preserving heat at 45 ℃, and then cooling to obtain the aqueous inorganic resin emulsion.
The total amount of the ammonium persulfate added twice is 0.1-0.3 part, and the adding amount of the ammonium persulfate added twice is preferably basically equal;
the monomer emulsion is an emulsion formed by mixing 18.2-21.7 parts of non-ionic water, 4.5-6.8 parts of vinyl chloride, 8.0-10.0 parts of ethylene, 12.0-14.0 parts of butyl acrylate, 1.5-2.4 parts of hydroxypropyl acrylate, 0.8-1.5 parts of methacrylic acid, 0.4-0.8 part of non-ionic surfactant and 0.1-0.3 part of anionic surfactant.
The aqueous inorganic resin liquid is one or a combination of more of potassium silicate, lithium silicate, sodium silicate and silica sol.
Further, the nonionic surfactant in the aqueous inorganic modified hydroxyl resin is one or a combination of two of OP-10 and 407.
The anionic surfactant in the aqueous inorganic modified hydroxyl resin is one or the combination of two of sodium dodecyl sulfate and sodium dodecyl benzene sulfonate.
The titanium dioxide used in the formula is rutile titanium dioxide, and is one or a combination of more of R902+, R706, R930 and the like.
The anti-graffiti adjuvant used in the above formula is one or more of Bick BYK3720, shengsandL SSL-350, rui Ke RT3158, etc.
The flame retardant used in the formula is one or a combination of more of antimony trioxide, zinc borate, aluminum hydroxide and the like.
The thickener used in the above formula is one or more of Ophio technology SD-2W, xinyue SY30000YP2, and Ashland HBR 250.
The stabilizer used in the formula is one or a combination of several of Australian chemical industry AR-CS1, clariance SPS, australian chemical industry LOPON 827 and the like.
The aqueous cross-linking agent used in the formula is one or a combination of more of Wanhua chemical Aquolin278, bayer XP2655, corsichuang 3300 and the like.
The color of the water-based A-grade fireproof matte interior wall anti-graffiti paint is mainly white, and the pigment can be combined according to other selected colors. The filler can also be added with talcum powder, heavy calcium carbonate and the like.
When the water-based A-grade fireproof matte interior wall anti-doodling paint is used for construction, the component A and the component B are mixed in proportion for construction, and the paint is dried at normal temperature.
The invention has the following advantages;
(1) The coating of the invention does not need to be baked, and can be dried in air at normal temperature, thereby saving energy.
(2) The water-based inorganic modified hydroxyl flame-retardant resin disclosed by the invention is fireproof, flame-retardant, high-temperature-resistant, good in intermiscibility with other components, strong in adhesive force to concrete or mortar and good in self-matte effect.
(3) The coating is hard and wear-resistant, has the hardness of about 2H, and is scratch-resistant, scrubbing-resistant and good in durability.
(4) The coating has good anti-graffiti effect, can resist graffiti of stains such as white board pens, painting brushes, ink, oily marking pens and the like, and is easy to remove. Washing resistance, easy cleaning of pollutants on the surface of the coating and lasting decorative effect.
(5) The coating disclosed by the invention has the advantages of good high-temperature resistance, fire-proof rating reaching A level and good safety.
(6) The coating disclosed by the invention is antibacterial and mildewproof, and has a lasting decorative effect.
(7) The coating film of the invention has low gloss (below 15% of 60-degree gloss), strong light diffuse reflection and soft and consistent gloss, can effectively shield the phenomena of knife mark and sand paper mark during wall construction, and increases the decorative effect.
The test and actual measurement prove that the pencil hardness of the coating of the water-based A-grade fireproof matte interior wall anti-graffiti coating can reach 2H, the fireproof grade A (A2) is 15% at the gloss (60 degrees), and the anti-graffiti performance is as follows: the paint has the following characteristics that the grade 1 (white board pen and ink), the grade 2 (oily marking pen and spray paint) is far lower than the anti-doodling performance requirement of the industrial standard JG/T304-2011 anti-doodling and anti-sticking paint for buildings, and the paint is compared with the traditional emulsion paint for interior walls. The coating film is tough, soft in gloss, scratch-resistant, scrub-resistant, scrawling-resistant and high in fire-resistant grade (grade A), and is suitable for coating places such as hospitals, schools, government office buildings and the like which have high requirements on the coating effect of the interior wall.
Detailed Description
Example 1 preparation of aqueous inorganic modified hydroxy flame retardant resin
The waterborne inorganic modified hydroxyl flame-retardant resin used in the invention can be prepared by the following method that 14 parts of nonionic water, 0.3 part of nonionic surfactant, 0.1 part of anionic surfactant and 0.1 part of ammonium persulfate are sequentially added into a clean four-neck flask, stirring and heating are started, vacuumizing is carried out, nitrogen is allowed to enter, heating is stopped at about 80 ℃, monomer emulsion 56.5 parts and ammonium persulfate 0.1 part are started to be dripped, dripping is finished for about 3 hours, heat preservation is carried out for 30min after dripping is finished, the temperature is reduced to 60 ℃, the PH value is adjusted to 9-10, 30 parts of waterborne inorganic resin liquid is added, stirring is carried out uniformly, heat preservation is carried out for 20min at about 45 ℃, then, the temperature is reduced, and packaging is carried out.
The monomer emulsion is an emulsion formed by mixing 21.7 parts of non-ionic water, 6.7 parts of vinyl chloride, 9.4 parts of ethylene, 14 parts of butyl acrylate, 2.4 parts of hydroxypropyl acrylate, 1.4 parts of methacrylic acid, 0.7 part of non-ionic surfactant and 0.2 part of anionic surfactant.
Example 2 preparation of aqueous class A fire-resistant matte interior wall anti-graffiti coating
(1) Preparation of component A
Firstly, putting tap water into a paint making jar, sequentially adding a defoaming agent, a dispersing agent, titanium dioxide, mica powder, precipitated barium sulfate and a stabilizing agent under a stirring state, stirring and mixing uniformly, and then dispersing at a high speed (2500 rpm/min) to the fineness of below 25 micrometers. Then the aqueous inorganic modified hydroxyl resin prepared in the example 1, the thickening agent and the stabilizing agent are sequentially added and stirred uniformly, the viscosity is adjusted by the thickening agent, and the mixture is filtered and packaged after passing.
(2) Proportioning: when in use, the A and the B are firstly mixed uniformly, cured for 3-5 min, stirred uniformly, constructed and dried at normal temperature.
The proportion formula comprises the following components in parts by mass:
example 3 coating Performance testing
The water-based A-grade fireproof matte interior wall anti-graffiti coating prepared in example 2 and a domestic anti-graffiti coating of a certain brand are subjected to a coating performance comparison test, and the results are as follows:
the test method of the above performance test is as follows:
in addition, the embodiments described in the specification are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A kind of aqueous A-grade fire-proof matt interior wall anti-graffiti paint, characterized by that it is made up of A, B bicomponent, A component regards aquosity inorganic modified hydroxy flame retardant resin as the main film forming material, and also include pigment and filler and anti-graffiti auxiliary agent, fire retardant, thickening agent, antifoamer, stabiliser, the said pigment includes titanium pigment, the said filler includes mica powder, precipitated barium sulfate; the waterborne polyurethane curing agent is used as the component B.
2. The water-based A-grade fireproof matte interior wall anti-doodling paint as claimed in claim 1, wherein the formula of the water-based A-grade fireproof matte interior wall anti-doodling paint comprises the following components in parts by weight:
3. the water-based A-grade fireproof matte interior wall anti-doodling coating as claimed in claim 1, wherein the water-based inorganic modified hydroxyl flame-retardant resin is prepared by the following method:
adding 11-14 parts of non-ionic water, 0.1-0.3 part of non-ionic surfactant, 0.1-0.2 part of anionic surfactant and ammonium persulfate into a clean four-neck flask in sequence, starting stirring and heating, vacuumizing, allowing nitrogen, stopping heating at 80 ℃, starting to dropwise add 56.5 parts of monomer emulsion and ammonium persulfate, carrying out heat preservation reaction after dropwise adding, then cooling to 60 ℃, adjusting the pH value to 9-10, adding 25-35 parts of aqueous inorganic resin liquid, uniformly stirring, carrying out heat preservation at 45 ℃, and then cooling to obtain the aqueous inorganic resin emulsion;
the total amount of the ammonium persulfate added twice is 0.1-0.3 part;
the monomer emulsion is an emulsion formed by mixing 18.2-21.7 parts of non-ionic water, 4.5-6.8 parts of vinyl chloride, 8.0-10.0 parts of ethylene, 12.0-14.0 parts of butyl acrylate, 1.5-2.4 parts of hydroxypropyl acrylate, 0.8-1.5 parts of methacrylic acid, 0.4-0.8 part of non-ionic surfactant and 0.1-0.3 part of anionic surfactant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211234553.4A CN115746681A (en) | 2022-10-10 | 2022-10-10 | Water-based A-grade fireproof matte interior wall anti-doodling coating |
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| CN202211234553.4A CN115746681A (en) | 2022-10-10 | 2022-10-10 | Water-based A-grade fireproof matte interior wall anti-doodling coating |
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Citations (5)
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|---|---|---|---|---|
| CN105061665A (en) * | 2015-07-31 | 2015-11-18 | 华南理工大学 | Hydroxypolyacrylate emulsion, and preparation method and application thereof |
| CN107118650A (en) * | 2017-05-19 | 2017-09-01 | 华南理工大学 | Ludox/hydroxyl polyacrylate dispersion amino plastic baking varnish and preparation method thereof |
| CN108084359A (en) * | 2017-12-18 | 2018-05-29 | 江苏日出化工有限公司 | Ludox hydridization hydroxy acrylate lotion and preparation method thereof |
| CN109266153A (en) * | 2018-09-19 | 2019-01-25 | 湖南凯斯利新材料有限公司 | Aqueous anti-graffiti self-cleaning coating of one kind and preparation method thereof |
| CN113549350A (en) * | 2021-06-28 | 2021-10-26 | 成都虹润制漆有限公司 | A1-grade fireproof nano inorganic environment-friendly sound-transmitting coating and preparation method thereof |
-
2022
- 2022-10-10 CN CN202211234553.4A patent/CN115746681A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105061665A (en) * | 2015-07-31 | 2015-11-18 | 华南理工大学 | Hydroxypolyacrylate emulsion, and preparation method and application thereof |
| CN107118650A (en) * | 2017-05-19 | 2017-09-01 | 华南理工大学 | Ludox/hydroxyl polyacrylate dispersion amino plastic baking varnish and preparation method thereof |
| CN108084359A (en) * | 2017-12-18 | 2018-05-29 | 江苏日出化工有限公司 | Ludox hydridization hydroxy acrylate lotion and preparation method thereof |
| CN109266153A (en) * | 2018-09-19 | 2019-01-25 | 湖南凯斯利新材料有限公司 | Aqueous anti-graffiti self-cleaning coating of one kind and preparation method thereof |
| CN113549350A (en) * | 2021-06-28 | 2021-10-26 | 成都虹润制漆有限公司 | A1-grade fireproof nano inorganic environment-friendly sound-transmitting coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 唐植贤: "水性高性能内墙釉面涂料的研制", 《上海涂料》, vol. 60, no. 5, pages 9 - 12 * |
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