CN113431275B - Construction method of interior wall coating - Google Patents
Construction method of interior wall coating Download PDFInfo
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- CN113431275B CN113431275B CN202110756153.9A CN202110756153A CN113431275B CN 113431275 B CN113431275 B CN 113431275B CN 202110756153 A CN202110756153 A CN 202110756153A CN 113431275 B CN113431275 B CN 113431275B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/045—Means for fastening plaster-bases to a supporting structure
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- Civil Engineering (AREA)
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Abstract
The invention discloses an interior wall coating and a construction method thereof, and relates to the technical field of building coatings. The method comprises the following steps: treating cement mortar; brushing a layer of treating agent, wherein the treating agent consists of water, PVC powder, polyurea, konjac glucomannan and organic silicon modified acrylic emulsion; fully putty-coating; coating the first coating; after drying, spraying a treating agent diluted by water; repairing putty; and coating the second time of coating. The method is environment-friendly and safe, the wall surface is not easy to crack, bulge and the like when in construction, and the construction can be carried out under the condition of high temperature or low temperature.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a construction method of an interior wall coating.
Background
At present, when inner wall paint is applied, putty is required to be used for leveling, and in order to enhance the occlusion fastness of the putty and a wall body, an interface agent or rolling glue is generally applied before the putty is applied. The common "glue" used before puttying contains only a small amount of polyvinyl alcohol and has a very low solid content, such as the common 108 building glue, and the formula is as follows: the raw materials comprise, by weight, 10.26% of polyvinyl alcohol, 84.93% of water, 3.74-4.21% of formaldehyde, a proper amount of urea, 0.74-10.53% of hydrochloric acid and a proper amount of sodium hydroxide, and the production process comprises the following steps: adding water into a reaction kettle, heating to 70 ℃, then slowly adding polyvinyl alcohol, heating to 90-95 ℃, and completely dissolving the polyvinyl alcohol; cooling the polyvinyl alcohol solution to 80-85 ℃, dropwise adding hydrochloric acid, stirring for 20 minutes, adding formaldehyde for condensation, and taking about 60 minutes; cooling and adjusting the pH value, adding urea for amination treatment, sampling, inspecting, adjusting the pH value to be neutral, cooling to 40-50 ℃, and discharging. When cement and lime cementing materials are not used, putty films prepared by the glue dry-erase powder, which affects the quality of coating engineering.
Moreover, such "glues" usually contain formaldehyde, are highly toxic, cause environmental pollution, and affect the health of the constructors. In addition, no matter the interface agent or the rolling glue, particularly when an old house is transformed, the phenomena of peeling, cracking and the like sometimes occur on the constructed wall at high temperature and low temperature, and the attractiveness is influenced.
The construction of the coating is generally required to be above 5 ℃, the construction requirement of the current project is that the wall surface construction is often required to be carried out under a certain low temperature condition, and when the temperature is too low, the water is solidified too fast, so that the phenomena of wall surface cracks, peeling and the like can be caused. In addition, the environment with too high humidity dries slowly, which affects the construction progress and also affects the painting quality, but too dry can lead the painting to dry too fast and may cause cracks.
In view of the above, the invention provides a construction method of an interior wall coating, which does not use formaldehyde-containing glue, is environment-friendly and safe, simultaneously enhances the occlusion fastness of putty and a wall body, and solves the problems of wall cracks, peeling, bulges and the like after the construction of an old wall is finished.
Disclosure of Invention
The invention aims to provide a construction method of an interior wall coating, which is environment-friendly and safe, prevents the wall surface from cracking, bulging and the like during construction, and can be constructed under the condition of high temperature or low temperature.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a construction method of an interior wall coating comprises the following steps:
(1) treating cement mortar;
(2) brushing a layer of treating agent, wherein the treating agent consists of water, PVC powder, polyurea, konjac glucomannan and organic silicon modified acrylic emulsion;
(3) fully putty-coating;
(4) coating the first coating;
(5) after drying, spraying a treating agent diluted by water;
(6) repairing putty;
(7) and coating the second time of coating.
Preferably, the step (1) is specifically: checking the flatness and the verticality of a wall surface by using a wire supporting plate, making a standard ash cake with a square of 5cm at each upper corner of the wall, vertically making two standard cakes at the lower corner of the wall surface by using a wire hammer according to the two ash cakes, making a plurality of ash cakes at intervals of 1.5m, and smearing a long ash ridge (a punching rib) with the width of 10cm between the upper ash cake and the lower ash cake; scraping with a wooden rod until the thickness is equal to that of the ash cake, and sequentially brushing; the door and window opening should be made into 1:2 cement mortar corner protector, the height of the corner protector is not lower than 2.0m, and after the mortar is slightly dried, a small round corner is stroked out by using a corner stroking device and pure cement mortar; after the mortar and the screeds are slightly dried, the mortar and the screeds are scraped from bottom to top, then the mortar is rubbed and leveled by a trowel, and after five or six layers of bottom ash are dried, the mortar is compacted and leveled by 1:2.5 cement mortar.
Preferably, in the step (2), the drying of the cement mortar base layer in the step (1) is performed.
Preferably, in the step (2), the treating agent consists of 30-50 parts of water, 1-8 parts of PVC powder, 3-10 parts of polyurea, 10-25 parts of konjac glucomannan and 30-50 parts of organic silicon modified acrylic emulsion in parts by weight.
Further preferably, the weight ratio of the polyurea to the konjac glucomannan is 3-4: 9-11, more preferably 7: 20.
further preferably, in the step (2), the treating agent is composed of 40 parts by weight of water, 5 parts by weight of PVC powder, 7 parts by weight of polyurea, 20 parts by weight of konjac glucomannan and 40 parts by weight of silicone modified acrylic emulsion.
Preferably, the step (3) is specifically: and (3) performing transverse and vertical putty scraping during putty scraping, namely performing transverse putty scraping for the first time and performing vertical putty scraping for the second time. When the joint is jointed and the joint is closed, putty is scraped, each putty is dried and then is polished by using sand paper, and floating dust is wiped off after the putty is polished to be flat.
Preferably, the first coating is applied in step (4) first on top of the other.
Preferably, in the step (5), the dilution with water means 3 to 6-fold weight dilution with water, and more preferably 4-fold weight dilution.
Preferably, in the step (6), the putty is repaired after being dried, and the repaired putty is polished by sand paper after being dried.
Preferably, the step (7) is carried out after 1-3 days after the step (6) is finished, and the second time is not suitable for brushing for multiple times, so that the phenomenon that the paint film of the first time is dissolved or remarkable painting traces of a paint brush appear to influence the quality is avoided.
Preferably, after 1-3 days after the completion of the step (7), the third painting is carried out, and the third painting is carried out by paying attention to the covering power of the paint, grasping and adjusting the tightness of painting at any time and ensuring the uniformity of the color of the paint.
Preferably, the steps (1) to (7) are firstly to clean the surrounding environment during coating, prevent dust from flying to affect the coating quality, avoid polluting finished sub-projects such as windowsills, doors, windows, glass and the like, and protect the wall surface properly after the wall surface is coated.
The invention has the beneficial effects that:
(1) the glue containing formaldehyde is not used, so that the environment is protected and safe;
(2) meanwhile, the occlusion fastness of the putty and the wall body is enhanced, and the problems of wall crack skinning, bulging and the like after the construction of the old wall in a bad environment are solved.
Drawings
FIG. 1 is a wall surface view 30 days after construction in example 1;
FIG. 2 is a wall surface view 30 days after the construction of comparative example 1.
Detailed Description
The present invention will be further explained with reference to specific examples in order to make the technical means, the technical features, the technical objectives and the effects of the present invention easier to understand, but the following examples are only preferred embodiments of the present invention, and not all embodiments of the present invention. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. In the following examples, unless otherwise specified, all the operations are conventional, all the equipment are conventional, and the equipment materials used in the respective examples are the same.
The treating agent is prepared according to the following method: adding the konjac glucomannan and the polyurea with the formula amount into water with the formula amount, uniformly stirring at 40 ℃, adding the organic silicon modified acrylic emulsion while stirring, and uniformly mixing to obtain the konjac glucomannan polyurea modified acrylic emulsion.
Table 1.
Construction conditions are as follows: the temperature is-8 to-1 ℃, the humidity is about 30 percent, and the temperature is not less than 10m for 6 years old indoor wall surface parts2) And (5) performing construction.
Example 1
(1) Treating cement mortar: checking the flatness and the verticality of a wall surface by using a wire supporting plate, making a standard ash cake with a square of 5cm at each upper corner of the wall, vertically making two standard cakes at the lower corner of the wall surface by using a wire hammer according to the two ash cakes, making a plurality of ash cakes at intervals of 1.5m, and smearing a long ash ridge (a punching rib) with the width of 10cm between the upper ash cake and the lower ash cake; scraping with a wooden rod until the thickness is equal to that of the ash cake, and sequentially brushing; the door and window opening should be made into 1:2 cement mortar corner protector, the height of the corner protector is not lower than 2.0m, and after the mortar is slightly dried, a small round corner is stroked out by using a corner stroking device and pure cement mortar; after the mortar and the screeds are slightly dried, the mortar and the screeds are scraped from bottom to top, then the mortar is rubbed and leveled by a trowel, and after five or six layers of bottom ash are dried, the mortar is compacted and leveled by 1:2.5 cement mortar;
(2) after drying, brushing a layer of treating agent, wherein the treating agent comprises 40 parts of water, 5 parts of PVC powder, 7 parts of polyurea, 20 parts of konjac glucomannan and 40 parts of organic silicon modified acrylic emulsion;
(3) fully putty scraping: and (3) performing transverse and vertical putty scraping during putty scraping, namely performing transverse putty scraping for the first time and performing vertical putty scraping for the second time. The putty is scraped off when the branches are jointed and the ends are closed, each putty is dried and then is polished by sand paper, and floating dust is wiped off after the putty is polished flat;
(4) coating the first coating: coating the paint from top to bottom;
(5) after drying, spraying the treating agent diluted by 4 times of water by weight;
(6) repairing putty after drying, and polishing the repaired putty with sand paper after drying;
(7) and coating the second time of coating after every other day to avoid back and forth coating.
After 30 days of construction, the wall surface is observed to be flat and smooth without cracking and peeling phenomena, as shown in figure 1.
Example 2
The treating agent consists of 50 parts of water, 8 parts of PVC powder, 10 parts of polyurea, 25 parts of konjac glucomannan and 50 parts of organic silicon modified acrylic emulsion in parts by weight. The rest of the construction steps are the same as in example 1.
After 30 days of construction, the wall surface is observed to be flat and smooth without cracking and peeling.
Example 3
The treating agent consists of 30 parts of water, 1 part of PVC powder, 3 parts of polyurea, 10 parts of konjac glucomannan and 30 parts of organic silicon modified acrylic emulsion in parts by weight. The rest of the construction steps are the same as in example 1.
After 30 days of construction, the wall surface is observed to be flat and smooth without cracking and peeling.
Comparative example 1
(1) Treating cement mortar: checking the flatness and the verticality of a wall surface by using a wire supporting plate, making a standard ash cake with a square of 5cm at each upper corner of the wall, vertically making two standard cakes at the lower corner of the wall surface by using a wire hammer according to the two ash cakes, making a plurality of ash cakes at intervals of 1.5m, and smearing a long ash ridge (a punching rib) with the width of 10cm between the upper ash cake and the lower ash cake; scraping with a wooden rod until the thickness is equal to that of the ash cake, and sequentially brushing; the door and window opening should be made into 1:2 cement mortar corner protector, the height of the corner protector is not lower than 2.0m, and after the mortar is slightly dried, a small round corner is stroked out by using a corner stroking device and pure cement mortar; after the mortar and the screeds are slightly dried, the mortar and the screeds are scraped from bottom to top, then the mortar is rubbed and leveled by a trowel, and after five or six layers of bottom ash are dried, the mortar is compacted and leveled by 1:2.5 cement mortar;
(2) spraying glue (5: 1 of water: emulsion) after drying;
(3) fully putty scraping: and (3) performing transverse and vertical putty scraping during putty scraping, namely performing transverse putty scraping for the first time and performing vertical putty scraping for the second time. The putty is scraped off when the branches are jointed and the ends are closed, each putty is dried and then is polished by sand paper, and floating dust is wiped off after the putty is polished flat;
(4) coating the first coating: coating the paint from top to bottom;
(5) repairing putty after drying, and polishing the repaired putty with sand paper after drying;
(6) and coating the second time of coating after every other day to avoid back and forth coating.
After 30 days of construction, the wall surface is observed, and no peeling phenomenon occurs, but the cracking phenomenon caused by low temperature occurs, as shown in figure 2.
Comparative example 2
The treating agent consists of 40 parts of water, 5 parts of PVC powder, 20 parts of konjac glucomannan and 40 parts of organic silicon modified acrylic emulsion. The rest of the construction steps are the same as in example 1.
After 30 days of construction, the wall surface is observed, and no peeling phenomenon but no obvious cracking phenomenon occurs.
Example 4
The construction methods of examples 1-3 and comparative examples 1-2 were repeated, and after the construction, the surface of examples 1-3 was smooth and flat by irradiating with a ceramic heating lamp at a high temperature (75 ℃) for 24 hours, and the surface of comparative examples 1 and 2 was bulged.
Example 5
4 blocks of 450mm by 150mm by 5mm clean, dry asbestos cement boards were prepared and brushed according to the procedures (2) to (7) of examples 1 to 3, comparative example 2 and comparative example 1, procedures (2) to (6), respectively, and the scrub resistance was measured according to GB/T9266 + 2009, with the following results:
table 2.
| Group of | Washing fastness (times) |
| Example 1 | 891 |
| Example 2 | 852 |
| Example 3 | 857 |
| Comparative example 1 | 577 |
| Comparative example 2 | 630 |
The present invention is not limited to the above-described preferred embodiments, but rather, the present invention is to be construed broadly and cover all modifications, equivalents, and improvements falling within the spirit and scope of the present invention.
Claims (9)
1. A construction method of an interior wall coating is characterized by comprising the following steps:
(1) treating cement mortar;
(2) brushing a layer of treating agent, wherein the treating agent consists of 30-50 parts of water, 1-8 parts of PVC powder, 3-10 parts of polyurea, 10-25 parts of konjac glucomannan and 30-50 parts of organic silicon modified acrylic emulsion in parts by weight;
(3) fully putty-coating;
(4) coating the first coating;
(5) after drying, spraying a treating agent diluted by water;
(6) repairing putty;
(7) and coating the second time of coating.
2. The construction method according to claim 1, wherein the step (1) is specifically: checking the flatness and the verticality of a wall surface by using a wire supporting plate, making a standard ash cake with a square of 5cm at each upper corner of the wall, vertically making two standard cakes at the lower corner of the wall surface by using a wire hammer according to the two ash cakes, making a plurality of ash cakes at intervals of 1.5m, and smearing a strip ash ridge with the width of 10cm between the upper ash cake and the lower ash cake as a punching rib; scraping with a wooden rod until the thickness is equal to that of the ash cake, and sequentially brushing; the door and window opening should be made into 1:2 cement mortar corner protector, the height of the corner protector is not lower than 2.0m, and after the mortar is slightly dried, a small round corner is stroked out by using a corner stroking device and pure cement mortar; after the mortar and the screeds are slightly dried, the mortar and the screeds are scraped from bottom to top, then the mortar is rubbed by a trowel, and after bottom ash is dried five times and six times, the mortar is compacted by cement mortar with the ratio of 1:2.5 to be leveled.
3. The construction method according to claim 1, wherein the weight ratio of polyurea to konjac glucomannan is 3-4: 9-11.
4. The construction method according to claim 3, wherein the weight ratio of polyurea to konjac glucomannan is 7: 20.
5. the construction method according to claim 4, wherein the treating agent is composed of, by weight, 40 parts of water, 5 parts of PVC powder, 7 parts of polyurea, 20 parts of konjac glucomannan and 40 parts of silicone-modified acrylic emulsion.
6. The construction method according to claim 1, wherein the step (3) is specifically: and (3) transversely and vertically scraping when putty is scraped, namely transversely scraping the first putty, scraping the second putty vertically, scraping the putty when jointing and closing the joint, polishing each putty by using abrasive paper after drying, and scraping floating dust after leveling the putty.
7. The method of claim 1, wherein the first coating step (4) is performed by first coating the first layer.
8. The construction method according to claim 1, wherein the dilution with water in the step (5) is 3 to 6 times by weight of water.
9. The construction method according to claim 8, wherein the dilution with water in the step (5) is 4 times by weight of water.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS56104976A (en) * | 1980-01-23 | 1981-08-21 | Shikoku Kaken Kogyo Co Ltd | Coating composition |
| JP4213340B2 (en) * | 1997-07-17 | 2009-01-21 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン | Aggregates for preparing aqueous binder systems |
| CN1098325C (en) * | 1999-12-07 | 2003-01-08 | 山东轻工业学院 | Adhesive for paint coating paper and its preparing process |
| PL2718244T3 (en) * | 2011-06-10 | 2017-08-31 | Akzo Nobel Chemicals International B.V. | Process and additive to improve adhesion of compositions to substrates |
| PL2831186T3 (en) * | 2012-03-28 | 2020-01-31 | Thüringisches Institut Für Textil- Und Kunststoff- Forschung E.V. | Multifunctional coating films that can be applied in liquid form |
| CN106186900B (en) * | 2016-06-28 | 2018-09-25 | 南京工业大学 | A kind of Green environmental-protection building material and preparation method thereof |
| EP3505575B1 (en) * | 2017-12-29 | 2020-09-16 | Daw Se | Coating materials, coatings made from these coating materials and their use |
| CN109181379A (en) * | 2018-08-16 | 2019-01-11 | 郭来成 | A kind of anti-visible red outside line waterborne camouflage paint |
| CN109735158B (en) * | 2019-01-08 | 2021-08-27 | 赵曦轮 | Coating construction process for indoor wall surface |
| CN110965391B (en) * | 2019-12-17 | 2020-12-25 | 浙江金龙再生资源科技股份有限公司 | Method for manufacturing high-strength white craft paper |
| CN112980278A (en) * | 2021-05-07 | 2021-06-18 | 刘跃晖 | Liquid sand-containing single-component interface agent |
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