CN112625489A - Humidity-adjustable interior wall heat-insulating putty powder - Google Patents
Humidity-adjustable interior wall heat-insulating putty powder Download PDFInfo
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- CN112625489A CN112625489A CN202011580762.5A CN202011580762A CN112625489A CN 112625489 A CN112625489 A CN 112625489A CN 202011580762 A CN202011580762 A CN 202011580762A CN 112625489 A CN112625489 A CN 112625489A
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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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
The invention relates to humidity-adjustable interior wall heat-insulation putty powder which comprises the following raw materials in parts by weight: 35-50 parts of gypsum powder, 10-20 parts of attapulgite powder, 5-8 parts of white portland cement, 31-36 parts of hollow vitrified micro-beads, 0.2-0.5 part of lignocellulose, 0.3-0.5 part of hydroxypropyl methyl cellulose ether, 0.3-0.5 part of polyvinyl alcohol, 0.2-1.0 part of dispersible emulsion powder and 0.01-0.12 part of gypsum retarder. The functional attribute of putty is improved, the traditional role of the putty is changed, the wall surface humidifier which can breathe is changed, the indoor air humidity can be adjusted through the contact with the indoor air, the indoor environment comfort level is improved, and the putty is beneficial to the health of human bodies. The heat conductivity coefficient of the putty layer on the wall surface is reduced, the wall surface has heat insulation performance, the wall surface becomes a natural environment-friendly natural air conditioner, the use of the air conditioner is reduced, the energy consumption of the air conditioner is reduced, the emission of Freon is reduced, and the atmosphere is protected.
Description
Technical Field
The invention relates to the field of interior wall putty powder, in particular to interior wall heat-insulating putty powder capable of adjusting indoor air humidity.
Background
At present, wall decoration putty powder in building material industry can only level a wall surface, the area of an indoor wall surface is large, the putty wall surface can be utilized, the putty powder is changed by means of science and technology to become a natural humidifier, a heat preservation wall, a wall surface with heat preservation and heat insulation performance, and a natural air conditioner, so that the putty powder has the functions of leveling, giving more functional roles to the putty powder, humidifying and preserving heat, and having partial air conditioner performance, and the wall surface becomes a breathable wall surface and has the functions of heat preservation and heat insulation after being used, thereby beautifying the life of people, improving the living environment of people, reducing the energy consumption of the air conditioner, and achieving the effects of energy conservation and emission reduction.
Therefore, the moisture-adjustable heat-insulation putty powder which can not only decorate the wall surface but also adjust the heat insulation is needed.
Disclosure of Invention
The invention provides humidity-adjustable interior wall heat-insulation putty powder, which can not only decorate a wall surface, but also adjust humidity and preserve heat.
The invention is realized by the following technical scheme:
the humidity-adjustable interior wall heat-insulating putty powder comprises the following raw materials in parts by weight:
furthermore, the attapulgite powder adopts modified attapulgite powder with the particle size of 7-8nm after being calcined at the temperature of 300-400 ℃.
Further, the white cement is 32.5 silicate white cement.
Furthermore, the gypsum powder is natural high-strength gypsum powder with the breaking strength of more than or equal to 6.0Mpa, the compressive strength of more than or equal to 12.0Mpa, the blue light whiteness of more than or equal to 70 and the particle size of less than or equal to 0.075 um.
Furthermore, the particle size of the hollow vitrified micro bubbles is between 40 and 80 meshes, the volume weight is between 200 and 250g/L, and the volume floating rate index is more than or equal to 75 percent.
Further, the hydroxypropyl methylcellulose ether has a brookfield viscosity of between 6 and 7 million.
Further, the particle size of the selected polyvinyl alcohol is 250-325 meshes.
Further, the dispersible latex powder is latex powder of vinyl acetate copolymer.
Further, the selected gypsum retarder is a protein gypsum retarder.
The principle is as follows: the invention provides a film forming foundation and generates strength by adopting high-performance building high-strength gypsum and white cement as composite inorganic mineral-based cementing materials. The high-strength building gypsum has high-efficiency humidity regulating performance and strength generating performance, and also has heat preservation and heat insulation performance due to low heat conductivity coefficient. The calcined attapulgite powder with the particle size of 7-8nm can contain a plurality of small air units inside the material due to the high specific surface area and large pore volume inside the calcined attapulgite powder to form air blocking with the outside, so that the calcined attapulgite powder has heat preservation and sound insulation performance, and the hollow vitrified micro bubbles with the particle size of 40-80 meshes have moderate particle size and low heat conductivity coefficient, are suitable to be used as putty for aggregate and filler, are used for reducing the heat conductivity coefficient of the putty, and achieve the effects of heat insulation and heat preservation. Meanwhile, the high-strength building gypsum has the characteristics of single-channel thick batch, no sagging, no cracking and easy wall-mounting forming, so that the high-strength building gypsum has great significance for forming a stable heat-insulating layer and a stable humidity-regulating layer with certain thickness on the putty wall.
Compared with the prior art, the invention has the following beneficial effects: 1. the functional attribute of putty is improved, the traditional role of the putty is changed, the wall surface humidifier which can breathe is changed, the indoor air humidity can be adjusted through the contact with the indoor air, the indoor environment comfort level is improved, and the putty is beneficial to the health of human bodies. 2. The heat conductivity coefficient of the putty layer on the wall surface is reduced, the wall surface has heat insulation performance, the wall surface becomes a natural environment-friendly natural air conditioner, the use of the air conditioner is reduced, the energy consumption of the air conditioner is reduced, the emission of Freon is reduced, and the atmosphere is protected.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention by way of specific embodiments thereof.
The attapulgite powder described in the following examples adopts modified attapulgite powder with the particle size of 7-8nm after being calcined at 300 ℃. Preferably in the Anhui Mingmei mining industry.
The white portland cement described in the examples below is 32.5 portland white cement. Preferably, albo 32.5 cement or 32.5 white cement.
The gypsum powder described in the following examples is natural high-strength gypsum powder with the breaking strength of more than or equal to 6.0Mpa, the compressive strength of more than or equal to 12.0Mpa, the blue light whiteness of more than or equal to 70 and the particle size of less than or equal to 0.075 um. The natural high-strength gypsum of Hubei Longyuan gypsum building materials Co.
The particle size of the hollow vitrified micro bubbles described in the following examples is between 40 and 80 meshes, the volume weight is between 200 and 250g/L, and the volume floating rate index is not less than 75 percent. Preferably hollow vitrified beads produced by Zhonghui building materials Co., Ltd, Xinyang City, Henan province.
The brookfield viscosity of the hydroxypropyl methylcellulose ethers described in the examples below is between 6 and 7 ten thousand. Preferably GMC-5220 from Shanghai Hui Guang Chemicals, Inc.
The particle size of the polyvinyl alcohol selected in the examples below was 250 mesh. Preferably 1788 or 2488 of chemical industry of Catharanthus roseus.
The dispersible latex powder described in the following examples is a latex powder of vinyl acetate copolymer. Preferably 5010 in watts or 60W in irestat.
The gypsum retarder selected in the examples below was a protein gypsum retarder.
TABLE 1 ingredient content table for each of examples 1-4
The components of examples 1-4 were prepared in parts by mass as described in Table 1.
Mixing the prepared powder according to the weight parts of the components in the examples 1-4 shown in the table 1, and then mixing the prepared powder with water according to the mass ratio of 1: 0.6 stirring uniformly in a container by using a high-speed stirrer, reshaping and curing the stirred slurry, and testing according to the JG/T298-2010 standard of putty for building interiors. The test results were as follows:
TABLE 2 results of testing the putty powders of examples 1-4 according to the "putty for interior use in buildings" JG/T298-2010 Standard
And (4) conclusion: four groups of examples were tested according to the "putty for building interiors" JG/T298-2010 (type Y) standard. The test results are all qualified, and the standard of the inner wall putty (Y type) is achieved.
The thermal insulation performance of the four examples was tested with reference to the thermal insulation gypsum product standard, GB/T28267-2012 (type T), with the following test results:
TABLE 3 results of testing the putty powders of examples 1-4 according to the GB/T28267-2012 (T-type) Standard
And (3) testing the humidity adjusting performance, namely selecting the formulation No. 4 in the embodiment with the least content of the high-strength gypsum in the embodiment, testing according to a standard JC/T2002-2009 test method for the humidity absorbing and releasing performance of the building material, and obtaining a 6 mm-thick heat-insulating humidity adjusting putty coating, wherein the test result of the humidity absorbing and releasing performance is as follows:
table 4 example 4 test results of example 4 according to standard JC/T2002-2009 test method for moisture absorption and desorption properties of building materials
From the above table it can be concluded that: the 6 mm thick material of example 4 had a moisture absorption of 21 Wa/(1X 10) in 12 hours-3kg per square meter) and 24 hours, the moisture release capacity is 29 Wb/(1X 10)-3kg per square meter). The other examples all had better humidity conditioning performance than example 4.
Test of Heat insulating Property
The heat preservation performance is tested by a sending mechanism, a formula of the example No. 2 with the least amount of vitrified micro bubbles in the example is selected, and the test is carried out according to the standard DB41/T1575-2018 inorganic heat preservation putty technical requirement, and the test results are as follows:
as can be seen from the above table, the thermal conductivity coefficient reflecting the heat-insulating property is 0.080W/(m.K) within the technical requirement range of the inorganic heat-insulating putty, and the thermal storage coefficient is 1.02W/(. square meter. K) within the technical standard requirement range of the inorganic heat-insulating putty. The insulation performance of the other examples is better than that of example 2.
The above description is only for the preferred embodiment of the present invention, and all the technical solutions proposed by the claims of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides an interior wall heat preservation putty powder of adjustable humidity which characterized in that: the powder material comprises the following raw materials in parts by weight:
2. the interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the attapulgite powder is calcined at the temperature of 300-400 ℃ and has the particle size of 7-8 nm.
3. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the white portland cement is 32.5 portland white cement.
4. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the gypsum powder is natural high-strength gypsum powder with the breaking strength of more than or equal to 6.0Mpa, the compressive strength of more than or equal to 12.0Mpa, the blue light whiteness of more than or equal to 70 and the grain diameter of less than or equal to 0.075 um.
5. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the particle size of the hollow vitrified micro bubbles is between 40 and 80 meshes, the volume weight is between 200 and 250g/L, and the volume floating rate index is more than or equal to 75 percent.
6. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the hydroxypropyl methylcellulose ether has a Brookfield viscosity of between 6 and 7 ten thousand.
7. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that the particle size of the polyvinyl alcohol is 250-325 mesh.
8. The interior wall insulation putty powder with adjustable humidity as set forth in claim 1, characterized in that: the dispersible latex powder is latex powder of vinyl acetate copolymer.
9. The interior wall insulation putty powder of claim 1 in which the selected gypsum retarder is a protein gypsum retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580762.5A CN112625489A (en) | 2020-12-28 | 2020-12-28 | Humidity-adjustable interior wall heat-insulating putty powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580762.5A CN112625489A (en) | 2020-12-28 | 2020-12-28 | Humidity-adjustable interior wall heat-insulating putty powder |
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| CN112625489A true CN112625489A (en) | 2021-04-09 |
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| CN202011580762.5A Pending CN112625489A (en) | 2020-12-28 | 2020-12-28 | Humidity-adjustable interior wall heat-insulating putty powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116731540A (en) * | 2022-03-02 | 2023-09-12 | 陕西铁路工程职业技术学院 | Inorganic interior wall building coating and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368014A (en) * | 2008-09-17 | 2009-02-18 | 中国建筑材料科学研究总院 | Inorganic putty powder with function of governing humidness |
| CN107236347A (en) * | 2017-05-09 | 2017-10-10 | 深圳市奇信建设集团股份有限公司 | Heat-insulated putty and preparation method thereof |
| CN110204944A (en) * | 2019-06-11 | 2019-09-06 | 长沙标朗住工科技有限公司 | A kind of neutral environmentally friendly powder of lacquer putty for use on and preparation method thereof |
| CN111454603A (en) * | 2020-04-30 | 2020-07-28 | 杭州蓝田涂料有限公司 | Waterproof and mildew-proof gypsum putty powder and preparation method thereof |
| CN111995896A (en) * | 2020-09-21 | 2020-11-27 | 重庆兴渝新材料研究院有限公司 | Bi-component interior wall heat-insulating leveling putty |
-
2020
- 2020-12-28 CN CN202011580762.5A patent/CN112625489A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368014A (en) * | 2008-09-17 | 2009-02-18 | 中国建筑材料科学研究总院 | Inorganic putty powder with function of governing humidness |
| CN107236347A (en) * | 2017-05-09 | 2017-10-10 | 深圳市奇信建设集团股份有限公司 | Heat-insulated putty and preparation method thereof |
| CN110204944A (en) * | 2019-06-11 | 2019-09-06 | 长沙标朗住工科技有限公司 | A kind of neutral environmentally friendly powder of lacquer putty for use on and preparation method thereof |
| CN111454603A (en) * | 2020-04-30 | 2020-07-28 | 杭州蓝田涂料有限公司 | Waterproof and mildew-proof gypsum putty powder and preparation method thereof |
| CN111995896A (en) * | 2020-09-21 | 2020-11-27 | 重庆兴渝新材料研究院有限公司 | Bi-component interior wall heat-insulating leveling putty |
Non-Patent Citations (1)
| Title |
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| 中华人民共和国公安部消防局编: "《中国消防手册 第12卷 消防装备•消防产品》", 31 December 2007, 上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116731540A (en) * | 2022-03-02 | 2023-09-12 | 陕西铁路工程职业技术学院 | Inorganic interior wall building coating and preparation method thereof |
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