CN112552729A - Inorganic mildew-proof water-resistant full-batch powder - Google Patents
Inorganic mildew-proof water-resistant full-batch powder Download PDFInfo
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- CN112552729A CN112552729A CN202011393262.0A CN202011393262A CN112552729A CN 112552729 A CN112552729 A CN 112552729A CN 202011393262 A CN202011393262 A CN 202011393262A CN 112552729 A CN112552729 A CN 112552729A
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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
- C09D5/34—Filling pastes
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
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Abstract
The invention discloses inorganic mildew-proof water-resistant full-batch powder which is characterized by comprising, by weight, 5-10 parts of white cement, 5-20 parts of talcum powder, 5-15 parts of ash calcium, 5-15 parts of nano silicon micropowder and 65-80 parts of heavy calcium, and a building additive which comprises 3-7 thousandths of cellulose ether, 0.1-2 thousandths of starch ether, 3-8 thousandths of rubber powder, 1-4 thousandths of a mildew preventive and 0.1-0.5 thousandths of graphene. Compared with the traditional putty powder, the putty powder has the advantages of high strength, mildew resistance, water resistance, no aldehyde, high whiteness, stable chromaticity, no cracking, no powder falling, good easiness, good fluidity, no shrinkage, high tensile strength, good bonding property, good stability, A-grade fire resistance and the like, is an inorganic material which is non-toxic and non-pollution to human bodies and environment, and has high early strength and strong bonding force after being condensed.
Description
Technical Field
The invention relates to inorganic mildew-proof water-resistant full batch powder, in particular to mildew-proof full batch powder which does not contain formaldehyde and has a certain water vapor breathing function, and belongs to the technical field of buildings.
Background
In order to relieve the pressure of using the above-ground space, the underground space is more and more effectively utilized, and at present, basements, subways and the like are widely applied. The basement can be used for increasing the building stability, and can also be used as an underground parking garage or an underground shopping mall to increase the utilization rate of the space, and the subway is convenient for people to travel. Although the underground space is effectively utilized, a series of problems are also accompanied, such as the basement cannot be irradiated by sunlight due to being underground, air is humid, the wall surface is easy to generate damp, damp and dewed and mildewed phenomena, the surface layer of the wall body is hollow, peeled, cracked, fallen and mildewed, and a lot of bacteria are bred. Including wet environments such as kitchens and bathrooms or houses with poor ventilation have similar problems, which brings great troubles to the life of people.
The full-batch powder (also called putty powder) is one of basic materials for wall surface building decoration, and the main reasons of the phenomena of falling, moisture regain, condensation and mildew on the wall surface are that the traditional full-batch powder has poor cohesive force and mildew resistance, and the traditional full-batch powder contains formaldehyde and is harmful to human bodies. Thus, improvements in the properties of the full batch powders have been the direction of efforts. For example, the mildew-proof and water-resistant full-batch powder for the interior wall disclosed in patent CN106084972A has good mildew-proof and antibacterial durability, but the materials and the process are complicated. And the mildew-proof formaldehyde-free benzene-free full-batch powder disclosed in patent CN111763441A is formaldehyde-free, benzene-free, VOC-free, odorless, healthy and environment-friendly, but has low bonding strength and weak mildew-proof and water-resistant properties.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing full-batch powder can not give consideration to the problems of environmental protection, bonding strength, mildew resistance and water resistance.
In order to solve the problems, the invention adopts the technical scheme that: the inorganic mildew-proof water-resistant full-batch powder is characterized by comprising main materials and building additives, wherein the main materials comprise, by weight, 5-10 parts of white cement, 5-20 parts of talcum powder, 5-15 parts of ash calcium, 5-15 parts of nano silicon micropowder and 65-80 parts of heavy calcium, and the building additives comprise, by weight of the main materials, 3-7 thousandths of cellulose ether, 0.1-2 thousandths of starch ether, 3-8 thousandths of rubber powder, 1-4 thousandths of a mildew preventive and 0.1-0.5 thousandths of graphene. The white cement in the inorganic mildew-proof water-resistant full-batch powder can greatly improve the compressive strength of the cementing material and can also improve the water resistance of the material.
Preferably, the white cement is p.o425 ordinary silicate white cement, and the whiteness is above 88.
Preferably, the fineness of the talcum powder is more than 400 meshes, and the whiteness is more than 80. The talcum powder has the advantages of lubricity, fire resistance, acid resistance, insulativity, high melting point, chemical inactiveness, good covering power, softness, good luster, strong adsorption power and the like, and can improve the adhesive force and the covering power of the coating in unit area.
Preferably, the ash calcium in the inorganic mildew-proof water-resistant full batch powder component is ash calcium powder with the fineness of more than 300 meshes and the whiteness of more than 80. The main component of the sierozem powder is Ca (OH)2CaO and a small amount of CaCO3Mixture of (2), Ca (OH)2(CaO also becomes Ca (OH) when it contacts water)2) Will react with CO in the air2Reaction to form CaCO3The crystals give strength, which in turn provides some cohesiveness in the powder and gives the powder a significant water resistance. The sierozem powder is used as an air-hardening cementing material and has wide application as a cementing material in wall plastering and plastering construction due to the abundant yield, low price and good water resistance.
Preferably, the fineness of the nano silicon micro powder is more than 400 meshes, and the whiteness is more than 90. The nanometer silicon micropowder has the excellent performances of good temperature resistance, acid and alkali corrosion resistance, high heat conductivity coefficient, high insulation, low expansion, stable chemical property, high hardness and the like, and simultaneously generates gel with a cement hydration product, has certain water retention property, and can improve the corrosion resistance and wear resistance of the inorganic mildew-proof water-resistant full-batch powder.
Preferably, the fineness of the coarse whiting is more than 300 meshes, and the whiteness is more than 92. The heavy calcium carbonate is a common powdery inorganic filler and has the advantages of high chemical purity, no decomposition at a temperature of below 400 ℃, high whiteness, low oil absorption rate, no toxicity, no odor, good dispersibility and the like.
Preferably, the cellulose ether is hydroxypropyl methyl cellulose ether, and the addition of a certain amount of cellulose ether can improve the binding property and the water retention property of the full-batch powder.
Preferably, the starch ether is hydroxypropyl starch ether, and the hydroxypropyl starch ether is non-toxic odorless white powder, has the properties of thickening, binding, dispersing, emulsifying, suspending, adsorbing, moisture retaining and the like, and can improve the workability of full-scale powder.
Preferably, the rubber powder is redispersible latex powder which is formaldehyde-free and can improve the cohesiveness, water resistance, wear resistance, cohesion stability and the like of the full batch of powder.
Preferably, the mildew preventive is octadecyl organosilicon copper quaternary ammonium salt, and can effectively prevent mildew caused by microorganism breeding.
Preferably, the graphene is single-layer graphene, has high strength, and can remarkably improve the strength of the inorganic mildew-proof water-resistant full-batch powder. Cellulose ether, starch ether, rubber powder and a mildew preventive are used as building additives, so that the mechanical property, stability and workability of the inorganic mildew-proof waterproof putty powder can be remarkably improved, and the mildew-proof putty powder is an indispensable component. The strength of the product can be obviously improved by adding the graphene.
The invention has the following beneficial effects: compared with the traditional putty powder, the putty powder has the advantages of high strength, mildew resistance, water resistance, no aldehyde, high whiteness, stable chromaticity, no cracking, no powder falling, good easiness, good fluidity, no shrinkage, high tensile strength, good bonding property, good stability, A-grade fire resistance and the like, is an inorganic material which is non-toxic and non-pollution to human bodies and environment, and has high early strength and strong bonding force after being condensed.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below.
Example 1
The main material of the inorganic mildew-proof water-resistant full-batch powder comprises the following components in parts by mass:
5 parts of white cement, 5 parts of talcum powder, 15 parts of ash calcium, 10 parts of nano silicon micro powder and 75 parts of heavy calcium.
The building admixture is calculated by the weight percentage relative to the main material and comprises the following components:
3 per mill of cellulose ether, 1 per mill of starch ether, 7 per mill of rubber powder, 3 per mill of mildew preventive, 0.3 per mill of graphene and 0.45 of water cement ratio.
The preparation method comprises the following steps: when in use, all the raw materials are uniformly mixed, and water is added according to the water-cement ratio and uniformly stirred.
The properties are shown in Table 1.
TABLE 1
| Mildew resistance rating | Grade 0 (not growing mould under 50 times magnification) |
| State in the vessel | No caking and uniformity |
| Sanding property (%) | 50 |
| Water resistance | No abnormality at 170 hours |
| Formaldehyde (I) | Not measured out |
| 3 days bond strength | 0.68 |
| 7 days adhesive Strength (soaking in water) | 0.98 |
| 7 days bond strength | 1.03 |
Example 2
The main material of the inorganic mildew-proof water-resistant full-batch powder comprises the following components in parts by mass:
5 parts of white cement, 10 parts of talcum powder, 15 parts of ash calcium, 5 parts of nano silicon micro powder and 70 parts of heavy calcium.
The building admixture is calculated by the weight percentage relative to the main material and comprises the following components:
5 per mill of cellulose ether, 2 per mill of starch ether, 6.5 per mill of rubber powder, 2.5 per mill of mildew preventive, 0.2 per mill of graphene and 0.43 of water-cement ratio.
The preparation method is the same as example 1.
The properties are shown in Table 2.
TABLE 2
| Mildew resistance rating | Grade 0 (not growing mould under 50 times magnification) |
| State in the vessel | No caking and uniformity |
| Sanding property (%) | 50 |
| Water resistance | No abnormality at 170 hours |
| Formaldehyde (I) | Not measured out |
| 3 days bond strength | 0.70 |
| 7 days adhesive Strength (soaking in water) | 0.99 |
| 7 days bond strength | 1.05 |
Example 3
The main material of the inorganic mildew-proof water-resistant full-batch powder comprises the following components in parts by mass:
10 parts of white cement, 10 parts of talcum powder, 10 parts of ash calcium, 5 parts of nano silicon micro powder and 90 parts of heavy calcium.
The building admixture is calculated by the weight percentage relative to the main material and comprises the following components:
7 per mill of vitamin ether, 0.5 per mill of starch ether, 8 per mill of rubber powder, 4 per mill of mildew preventive, 0.4 per mill of graphene and 0.5 of water-cement ratio.
The preparation method is the same as example 1.
The properties are shown in Table 3.
TABLE 3
Comparative example
The properties of the Y-type conventional putty powder are shown in Table 4.
TABLE 4
| Mould proof | Not mildew proof |
| State in the vessel | No caking and uniformity |
| Sanding property (%) | 50 |
| Water resistance | After 170 hours, the mixture is wet |
| Formaldehyde (I) | Is provided with |
| 3 days bond strength | 0.25 |
| 7 days adhesive Strength (soaking in water) | 0.28 |
| 7 days bond strength | 0.4 |
From the experimental results, the indexes of examples 1 to 3 are substantially superior to those of comparative example, and considering that they have other advantages, the inorganic mildewproof waterproof putty powder of the present invention is an excellent choice for use in humid environments, and is equally good for use in interior walls.
From the above embodiments, it can be seen that the inorganic mildew-proof water-resistant putty powder of the present invention has the following advantages:
1. high binding strength, low shrinkage, no cracking and no powder dropping.
2. The water resistance is good, and the bonding strength is not reduced after soaking in water (standard JC/T2496-2018 mildew-proof and water-proof full batch powder).
3. Good stability, high mildew-proof grade (0 grade) and fire-proof grade A.
4. High whiteness, smoothness, stable chromaticity and good hand feeling. The durability is good, and the decoration for many times does not need to be eradicated. Compared with the wall using common putty powder, the paint adhesive force and the covering power of the paint in unit area can save 30 to 40 percent of the paint dosage.
Claims (11)
1. The inorganic mildew-proof water-resistant full-batch powder is characterized by comprising main materials and building additives, wherein the main materials comprise, by weight, 5-10 parts of white cement, 5-20 parts of talcum powder, 5-15 parts of ash calcium, 5-15 parts of nano silicon micropowder and 65-80 parts of heavy calcium, and the building additives comprise, by weight of the main materials, 3-7 thousandths of cellulose ether, 0.1-2 thousandths of starch ether, 3-8 thousandths of rubber powder, 1-4 thousandths of a mildew preventive and 0.1-0.5 thousandths of graphene.
2. The inorganic mildewproof waterproof putty powder as set forth in claim 1 wherein the white cement is p.o425 ordinary silicate white cement with whiteness of over 88.
3. The inorganic mildewproof waterproof putty powder as claimed in claim 1, wherein the fineness of the talcum powder is more than 400 meshes, and the whiteness is more than 80.
4. The inorganic mildewproof waterproof all-in-one powder of claim 1, wherein the ash calcium in the components of the inorganic mildewproof waterproof all-in-one powder is ash calcium powder with fineness of more than 300 meshes and whiteness of more than 80.
5. The inorganic mildewproof waterproof putty powder as claimed in claim 1, wherein the fineness of the nano silica micro powder is more than 400 meshes, and the whiteness is more than 90.
6. The inorganic mildewproof waterproof putty powder as claimed in claim 1, wherein the fineness of the coarse whiting is more than 300 meshes and the whiteness is more than 92.
7. The inorganic mildewproof water resistant topping powder of claim 1 wherein the cellulose ether is hydroxypropyl methyl cellulose ether.
8. The inorganic mildewproof waterproof putty powder as set forth in claim 1 wherein the starch ether is hydroxypropyl starch ether.
9. The inorganic mildewproof waterproof putty powder as set forth in claim 1 wherein the glue powder is a redispersible latex powder.
10. The inorganic mildewproof waterproof putty powder as set forth in claim 1 wherein the mildewcide is octadecyl organosilicon copper quaternary ammonium salt.
11. The inorganic mildewproof waterproof putty powder according to claim 1, wherein the graphene is single-layer graphene.
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| CN202011393262.0A CN112552729A (en) | 2020-12-03 | 2020-12-03 | Inorganic mildew-proof water-resistant full-batch powder |
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| CN202011393262.0A CN112552729A (en) | 2020-12-03 | 2020-12-03 | Inorganic mildew-proof water-resistant full-batch powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637341A (en) * | 2021-08-21 | 2021-11-12 | 罗男 | Stone powder decorative coating and preparation method and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613972A (en) * | 2013-11-19 | 2014-03-05 | 江苏蓝圈新材料有限公司 | Interior and exterior wall putty powder |
| CN105038367A (en) * | 2015-08-27 | 2015-11-11 | 保护伞环保科技成都有限公司 | Air purification kieselguhr putty |
| CN105062180A (en) * | 2015-08-27 | 2015-11-18 | 保护伞环保科技成都有限公司 | Air-purifying waterproof putty |
| CN105385219A (en) * | 2015-12-21 | 2016-03-09 | 济南龙珀新型建材科技有限公司 | Water-tolerant and mould-proof putty powder for internal wall and use method of water-tolerant and mould-proof putty powder |
| CN107383989A (en) * | 2017-09-21 | 2017-11-24 | 苏州振振好新型建材科技有限公司 | A kind of exterior wall heat preservation water proof anti-crack mastic powder |
| WO2019051722A1 (en) * | 2017-09-14 | 2019-03-21 | 姚伯玉 | Putty powder formula |
-
2020
- 2020-12-03 CN CN202011393262.0A patent/CN112552729A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613972A (en) * | 2013-11-19 | 2014-03-05 | 江苏蓝圈新材料有限公司 | Interior and exterior wall putty powder |
| CN105038367A (en) * | 2015-08-27 | 2015-11-11 | 保护伞环保科技成都有限公司 | Air purification kieselguhr putty |
| CN105062180A (en) * | 2015-08-27 | 2015-11-18 | 保护伞环保科技成都有限公司 | Air-purifying waterproof putty |
| CN105385219A (en) * | 2015-12-21 | 2016-03-09 | 济南龙珀新型建材科技有限公司 | Water-tolerant and mould-proof putty powder for internal wall and use method of water-tolerant and mould-proof putty powder |
| WO2019051722A1 (en) * | 2017-09-14 | 2019-03-21 | 姚伯玉 | Putty powder formula |
| CN107383989A (en) * | 2017-09-21 | 2017-11-24 | 苏州振振好新型建材科技有限公司 | A kind of exterior wall heat preservation water proof anti-crack mastic powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637341A (en) * | 2021-08-21 | 2021-11-12 | 罗男 | Stone powder decorative coating and preparation method and use method thereof |
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Application publication date: 20210326 |