CN113667342A - Preparation and application method of repair paste for repairing wall cracks - Google Patents
Preparation and application method of repair paste for repairing wall cracks Download PDFInfo
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- CN113667342A CN113667342A CN202110830320.XA CN202110830320A CN113667342A CN 113667342 A CN113667342 A CN 113667342A CN 202110830320 A CN202110830320 A CN 202110830320A CN 113667342 A CN113667342 A CN 113667342A
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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Abstract
The application discloses a preparation method and a use method of a repair paste for repairing wall cracks, wherein the repair paste comprises 65-80 parts of quartz sand, 1-2 parts of titanium dioxide, 10-20 parts of polymer emulsion, 1-2 parts of film forming auxiliary agent, 0.2-0.4 part of preservative, 0.3-0.8 part of thickening agent, 10-15 parts of deionized water and 0.3-0.5 part of auxiliary component. The wall crack repairing paste developed by the application is mainly used for repairing and preventing cracks, has the characteristics of strong adhesive force, good elasticity, water resistance, alkali resistance, environmental protection and the like of the conventional elastic putty, takes high-purity quartz sand as a main filler, is matched with styrene-acrylate polymer mixed emulsion, combines the strength of an inorganic material with the flexibility of an organic material, and effectively reduces the shrinkage and the collapse of the material by matching the action of an alkali swelling thickener in a system; the invention can directly repair the large cracks with the width of 20mm without using auxiliary materials such as mesh cloth belts, kraft paper and the like, and is matched with the wall repairing agents of the same series for use, thereby having better effect.
Description
Technical Field
The application relates to preparation and a use method of a repair paste for repairing wall cracks, in particular to preparation and a use method of the repair paste.
Background
The wall body crack is the cracking phenomenon that the wall body part of the building structure produces, according to the difference of the material self material, can divide into concrete wall body crack, brick brickwork wall body crack, novel partition plate crack and the crack that different material walls produced.
Wall cracks are visible everywhere in our lives, which not only seriously affects the beauty of houses, but also causes some problems of living safety, and the methods for repairing and preventing the wall cracks are numerous and can be roughly divided into three categories, one category adopts inorganic materials such as putty and the like for direct repair; the other type adopts a mode of combining a mesh cloth belt, kraft paper and a gypsum-based material for repairing; the third type uses elastic putty for repair.
In the traditional method for repairing inorganic materials such as putty, due to poor flexibility of inorganic products, brittle cracking can be generated continuously after a period of time due to thermal expansion and cold contraction, and when inorganic products such as putty are used, a certain proportion of water needs to be added according to actual conditions, so that the operation difficulty is high, and the use is inconvenient; the repairing mode of combining inorganic materials, grid cloth belts and other materials is used, so that cracks can be prevented from being generated when the activity stress of the wall is smaller than the tensile strength of the materials, once the activity amount is increased, the cracks still can be generated, and the grid cloth belts are separated from the inorganic materials, so that the large-area peeling of the repaired part is easily caused; the elastic putty is used for repairing, the crack smaller than 0.5mm can be directly repaired by batch scraping, and the crack larger than 10mm needs to be repaired by matching the elastic putty with materials such as a grid cloth belt, kraft paper and the like. Therefore, the preparation method and the use method of the repair paste for repairing the wall cracks are provided for solving the problems.
Disclosure of Invention
A preparation method of a repair paste for repairing wall cracks comprises the steps of weighing raw materials, stirring the raw materials and obtaining the repair paste for repairing the wall cracks;
weighing 65-80 parts of quartz sand, 1-2 parts of titanium dioxide, 10-20 parts of polymer emulsion, 1-2 parts of film-forming additive, 0.2-0.4 part of preservative, 0.3-0.8 part of thickener, 10-15 parts of deionized water and 0.3-0.5 part of auxiliary component in sequence;
stirring raw materials, namely, stirring and dispersing equipment by adopting special mortar, starting stirring, adding 65-80 parts of quartz sand and 1-2 parts of titanium dioxide, and stirring for 5-10 min; continuously adding 10-20 parts of styrene-acrylate polymer emulsion and 8-12 parts of partial deionized water, and stirring for 10-20 min; 0.3-0.5 part of auxiliary component, 1-2 parts of film-forming additive and 0.2-0.4 part of preservative are sequentially added into a container and stirred for 5-10 min; premixing 2-3 parts of the rest deionized water and 0.3-0.8 part of thickening agent, adding into a container, and stirring for 15-30 min;
and obtaining the wall surface crack repairing paste, adjusting the paste to be uniform paste, and obtaining the repairing paste for repairing the wall surface crack, wherein the paste is suitable for batch scraping.
Further, a method for using the repair paste for repairing the wall crack comprises the following steps:
repairing wall cracks, namely cleaning small cracks with the width of 10mm and the depth of about 5mm, opening V-shaped grooves, and directly scraping and flattening; cleaning large cracks with the width of 10-20mm and the depth of about 15mm, forming V-shaped grooves, and scraping and filling the cracks in batches;
secondly, gypsum board seams are prevented, the thickness of the gypsum board commonly used in home decoration is 5-10mm, after the board seams are cleaned up, the gypsum board can be directly scraped and repaired, and the gypsum board can be matched with the wall repair agent of the same series for use, so that the repair effect is better;
and (III) repairing the crack with larger width and depth, cleaning the periphery of the crack, then adopting the same series of repairing agents to repair the crack for the first time, observing the size and the depth of the crack after drying, scraping and repairing the crack in batches, and painting the crack with the repairing agents after drying.
Furthermore, the polymer emulsion is a styrene-acrylate polymer mixed emulsion obtained through experimental modification, and has the advantages of high hardness, good adhesive force, fast drying, excellent flexibility and water resistance and good film forming performance.
Further, the quartz sand is SiO2High-purity quartz sand with content more than 99 percentThe reasonable grading of the same grain size reduces the porosity and shrinkage of the material, effectively enhances the system strength and surface hardness, and reduces cracking.
Furthermore, the titanium dioxide is rutile type high-purity titanium dioxide, and has high hardness and strong covering power.
Further, the film-forming assistant is a plasticizer of a compound type of alcohols and alcohol esters.
Furthermore, the preservative is an isothiazolinone environment-friendly high-efficiency bactericide.
Further, the thickener is an alkali swelling thickener.
Furthermore, the auxiliary component comprises a pH regulator and a defoaming agent, wherein the pH regulator is a multifunctional amine assistant, and the defoaming agent is organic silicon modified mineral oil.
The beneficial effect of this application is: the application provides a preparation method and a use method of a repair paste for repairing wall cracks, wherein the repair paste can reduce shrinkage and collapse and has a better repair effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flow chart of a method according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first embodiment is as follows:
a preparation method of a repair paste for repairing wall cracks comprises the steps of weighing raw materials, stirring the raw materials and obtaining the repair paste for repairing the wall cracks;
weighing 65 parts of quartz sand, 1 part of titanium dioxide, 10 parts of polymer emulsion, 1 part of film-forming aid, 0.2 part of preservative, 0.3 part of thickening agent, 10 parts of deionized water and 0.3 part of auxiliary components in sequence;
stirring raw materials, namely stirring and dispersing equipment by adopting special mortar, starting stirring, adding 65 parts of quartz sand and 1 part of titanium dioxide, and stirring for 6 min; continuously adding 10 parts of styrene-acrylate polymer emulsion and 8 parts of partial deionized water, and stirring for 12 min; 0.3 part of auxiliary component, 1 part of film-forming assistant and 0.2 part of preservative are sequentially added into a container and stirred for 6 min; premixing 2 parts of the rest deionized water and 0.3 part of thickening agent, adding into a container, and stirring for 20 min;
and obtaining the wall surface crack repairing paste, adjusting the paste to be uniform paste, and obtaining the repairing paste for repairing the wall surface crack, wherein the paste is suitable for batch scraping.
Further, a method for using the repair paste for repairing the wall crack comprises the following steps:
repairing wall cracks, namely cleaning small cracks with the width of 10mm and the depth of about 5mm, opening V-shaped grooves, and directly scraping and flattening; cleaning large cracks with the width of 10-20mm and the depth of about 15mm, forming V-shaped grooves, and scraping and filling the cracks in batches;
secondly, gypsum board seams are prevented, the thickness of the gypsum board commonly used in home decoration is 5-10mm, after the board seams are cleaned up, the gypsum board can be directly scraped and repaired, and the gypsum board can be matched with the wall repair agent of the same series for use, so that the repair effect is better;
and (III) repairing the crack with larger width and depth, cleaning the periphery of the crack, then adopting the same series of repairing agents to repair the crack for the first time, observing the size and the depth of the crack after drying, scraping and repairing the crack in batches, and painting the crack with the repairing agents after drying.
Furthermore, the polymer emulsion is a styrene-acrylate polymer mixed emulsion obtained through experimental modification, and has the advantages of high hardness, good adhesive force, fast drying, excellent flexibility and water resistance and good film forming performance.
Further, the quartz sand is SiO2The high-purity quartz sand with the content of more than 99 percent has reasonable grading of different grain diameters, reduces the porosity and shrinkage rate of the material, effectively enhances the strength and surface hardness of the system, and reduces cracking.
Furthermore, the titanium dioxide is rutile type high-purity titanium dioxide, and has high hardness and strong covering power.
Further, the film-forming assistant is a plasticizer of a compound type of alcohols and alcohol esters.
Furthermore, the preservative is an isothiazolinone environment-friendly high-efficiency bactericide.
Further, the thickener is an alkali swelling thickener.
Furthermore, the auxiliary component comprises a pH regulator and a defoaming agent, wherein the pH regulator is a multifunctional amine assistant, and the defoaming agent is organic silicon modified mineral oil.
Example two:
a preparation method of a repair paste for repairing wall cracks comprises the steps of weighing raw materials, stirring the raw materials and obtaining the repair paste for repairing the wall cracks;
weighing raw materials, namely weighing 80 parts of quartz sand, 2 parts of titanium dioxide, 20 parts of polymer emulsion, 2 parts of film-forming additive, 0.4 part of preservative, 0.8 part of thickening agent, 15 parts of deionized water and 0.5 part of auxiliary component in sequence;
stirring raw materials, namely stirring and dispersing equipment by adopting special mortar, starting stirring, adding 80 parts of quartz sand and 2 parts of titanium dioxide, and stirring for 10 min; continuously adding 20 parts of styrene-acrylate polymer emulsion and 12 parts of partial deionized water, and stirring for 20 min; 0.5 part of auxiliary component, 2 parts of film-forming additive and 0.4 part of preservative are sequentially added into a container and stirred for 10 min; premixing 3 parts of the rest deionized water and 0.8 part of thickening agent, adding into a container, and stirring for 30 min;
and obtaining the wall surface crack repairing paste, adjusting the paste to be uniform paste, and obtaining the repairing paste for repairing the wall surface crack, wherein the paste is suitable for batch scraping.
Further, a method for using the repair paste for repairing the wall crack comprises the following steps:
repairing wall cracks, namely cleaning small cracks with the width of 10mm and the depth of about 5mm, opening V-shaped grooves, and directly scraping and flattening; cleaning large cracks with the width of 10-20mm and the depth of about 15mm, forming V-shaped grooves, and scraping and filling the cracks in batches;
secondly, gypsum board seams are prevented, the thickness of the gypsum board commonly used in home decoration is 5-10mm, after the board seams are cleaned up, the gypsum board can be directly scraped and repaired, and the gypsum board can be matched with the wall repair agent of the same series for use, so that the repair effect is better;
and (III) repairing the crack with larger width and depth, cleaning the periphery of the crack, then adopting the same series of repairing agents to repair the crack for the first time, observing the size and the depth of the crack after drying, scraping and repairing the crack in batches, and painting the crack with the repairing agents after drying.
Furthermore, the polymer emulsion is a styrene-acrylate polymer mixed emulsion obtained through experimental modification, and has the advantages of high hardness, good adhesive force, fast drying, excellent flexibility and water resistance and good film forming performance.
Further, the quartz sand is SiO2The high-purity quartz sand with the content of more than 99 percent has reasonable grading of different grain diameters, reduces the porosity and shrinkage rate of the material, effectively enhances the strength and surface hardness of the system, and reduces cracking.
Furthermore, the titanium dioxide is rutile type high-purity titanium dioxide, and has high hardness and strong covering power.
Further, the film-forming assistant is a plasticizer of a compound type of alcohols and alcohol esters.
Furthermore, the preservative is an isothiazolinone environment-friendly high-efficiency bactericide.
Further, the thickener is an alkali swelling thickener.
Furthermore, the auxiliary component comprises a pH regulator and a defoaming agent, wherein the pH regulator is a multifunctional amine assistant, and the defoaming agent is organic silicon modified mineral oil.
The application has the advantages that: the wall crack repairing paste developed by the application is mainly used for repairing and preventing cracks, has the characteristics of strong adhesive force, good elasticity, water resistance, alkali resistance, environmental protection and the like of the conventional elastic putty, takes high-purity quartz sand as a main filler, is matched with styrene-acrylate polymer mixed emulsion, combines the strength of an inorganic material with the flexibility of an organic material, and effectively reduces the shrinkage and the collapse of the material by matching the action of an alkali swelling thickener in a system; the invention can directly repair the large cracks with the width of 20mm without using auxiliary materials such as mesh cloth belts, kraft paper and the like, and is matched with the wall repairing agents of the same series for use, thereby having better effect.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A preparation method of a repair paste for repairing wall cracks is characterized by comprising the following steps: weighing raw materials, stirring the raw materials and obtaining wall surface crack repairing paste;
weighing 65-80 parts of quartz sand, 1-2 parts of titanium dioxide, 10-20 parts of polymer emulsion, 1-2 parts of film-forming additive, 0.2-0.4 part of preservative, 0.3-0.8 part of thickener, 10-15 parts of deionized water and 0.3-0.5 part of auxiliary component in sequence;
stirring raw materials, namely, stirring and dispersing equipment by adopting special mortar, starting stirring, adding 65-80 parts of quartz sand and 1-2 parts of titanium dioxide, and stirring for 5-10 min; continuously adding 10-20 parts of styrene-acrylate polymer emulsion and 8-12 parts of partial deionized water, and stirring for 10-20 min; 0.3-0.5 part of auxiliary component, 1-2 parts of film-forming additive and 0.2-0.4 part of preservative are sequentially added into a container and stirred for 5-10 min; premixing 2-3 parts of the rest deionized water and 0.3-0.8 part of thickening agent, adding into a container, and stirring for 15-30 min;
and obtaining the wall surface crack repairing paste, adjusting the paste to be uniform paste, and obtaining the repairing paste for repairing the wall surface crack, wherein the paste is suitable for batch scraping.
2. The use method of the repair paste for repairing wall cracks, which is obtained by the preparation method of the repair paste for repairing wall cracks according to claim 2, is characterized in that:
repairing wall cracks, namely cleaning small cracks with the width of 10mm and the depth of about 5mm, opening V-shaped grooves, and directly scraping and flattening; cleaning large cracks with the width of 10-20mm and the depth of about 15mm, forming V-shaped grooves, and scraping and filling the cracks in batches;
secondly, gypsum board seams are prevented, the thickness of the gypsum board commonly used in home decoration is 5-10mm, after the board seams are cleaned up, the gypsum board can be directly scraped and repaired, and the gypsum board can be matched with the wall repair agent of the same series for use, so that the repair effect is better;
and (III) repairing the crack with larger width and depth, cleaning the periphery of the crack, then adopting the same series of repairing agents to repair the crack for the first time, observing the size and the depth of the crack after drying, scraping and repairing the crack in batches, and painting the crack with the repairing agents after drying.
3. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the polymer emulsion is a styrene-acrylate polymer mixed emulsion obtained through experimental modification, and has the advantages of high hardness, good adhesive force, fast drying, excellent flexibility and water resistance and good film forming performance.
4. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the quartz sandIs SiO2The high-purity quartz sand with the content of more than 99 percent has reasonable grading of different grain diameters, reduces the porosity and shrinkage rate of the material, effectively enhances the strength and surface hardness of the system, and reduces cracking.
5. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the titanium dioxide is rutile type high-purity titanium dioxide, and has high hardness and strong covering power.
6. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the film-forming assistant is a plasticizer compounded by alcohols and alcohol esters.
7. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the preservative is an isothiazolinone environment-friendly high-efficiency bactericide.
8. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the thickening agent is an alkali swelling thickening agent.
9. The preparation method and the use method of the repair paste for repairing the wall crack as claimed in claim 2, wherein the repair paste comprises the following components: the auxiliary component comprises a pH regulator and a defoaming agent, wherein the pH regulator is a multifunctional amine assistant, and the defoaming agent is organic silicon modified mineral oil.
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| CN202110830320.XA CN113667342A (en) | 2021-07-22 | 2021-07-22 | Preparation and application method of repair paste for repairing wall cracks |
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| CN202110830320.XA CN113667342A (en) | 2021-07-22 | 2021-07-22 | Preparation and application method of repair paste for repairing wall cracks |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986653A (en) * | 2005-12-22 | 2007-06-27 | 深圳市海川实业股份有限公司 | Outer wall putty |
| CN101275435A (en) * | 2008-05-15 | 2008-10-01 | 浙江中富建筑集团股份有限公司 | Building wall crack repairing method |
| CN107738328A (en) * | 2017-10-26 | 2018-02-27 | 北京宝力特建材有限公司 | A kind of water-based patching material for wood surface and preparation method thereof |
| CN109825124A (en) * | 2018-12-17 | 2019-05-31 | 广东华润涂料有限公司 | Wall putty paste and wall coating system |
-
2021
- 2021-07-22 CN CN202110830320.XA patent/CN113667342A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986653A (en) * | 2005-12-22 | 2007-06-27 | 深圳市海川实业股份有限公司 | Outer wall putty |
| CN101275435A (en) * | 2008-05-15 | 2008-10-01 | 浙江中富建筑集团股份有限公司 | Building wall crack repairing method |
| CN107738328A (en) * | 2017-10-26 | 2018-02-27 | 北京宝力特建材有限公司 | A kind of water-based patching material for wood surface and preparation method thereof |
| CN109825124A (en) * | 2018-12-17 | 2019-05-31 | 广东华润涂料有限公司 | Wall putty paste and wall coating system |
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| Title |
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