CN116856175B - Preparation method, fabric and application of cloth-textured finishing fabric for concrete surface - Google Patents
Preparation method, fabric and application of cloth-textured finishing fabric for concrete surfaceInfo
- Publication number
- CN116856175B CN116856175B CN202310633803.XA CN202310633803A CN116856175B CN 116856175 B CN116856175 B CN 116856175B CN 202310633803 A CN202310633803 A CN 202310633803A CN 116856175 B CN116856175 B CN 116856175B
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- concrete
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- fibers
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/002—Apparatus for washing concrete for decorative purposes or similar surface treatments for exposing the texture
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic Table; Aluminates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
- D06M11/71—Salts of phosphoric acids
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
The preparation method of the concrete surface texture facing fabric comprises the steps of immersing long fibers in etching component solution, drying to obtain etching fibers, manufacturing core particles by using core materials, wrapping wall materials outside the core particles to obtain microcapsules, loading the microcapsules on the long fibers to obtain capsule fibers, and weaving the etching fibers and the capsule fibers into the fabric according to specific textures through a known weaving process. When the concrete microcapsule is applied, one surface of the fabric is contacted with the surface of fresh concrete, and after the alkalinity of the concrete slurry damages the capsule wall material of the microcapsule, the capsule core material component in the microcapsule permeates into the concrete surface layer. After the concrete is finally set, the fabric is removed, the surface of the concrete contacted with the fabric is washed by a high-pressure water gun, and the cement paste which is not set due to the action of etching components is removed, so that the cloth grain pattern can be formed on the surface of the concrete. The design can simultaneously realize the advantages of stronger durability and lower operation difficulty.
Description
Technical Field
The invention relates to a concrete material surface patterning technology, belongs to the field of concrete surface patterning, and particularly relates to a preparation method, a fabric and application of a concrete surface texture facing fabric.
Background
Concrete is a common building material and is widely applied to the engineering fields of buildings, roads, bridges, tunnels and the like. However, conventional concrete material surfaces are often monotonous and lack decorative and artistic feel. In order to meet the demands of people for decoration of building material surfaces, various concrete material surface patterning technologies are gradually developed.
At present, the concrete surface patterning technology mainly comprises the following steps:
Electrochemical etching technology, which uses chemical solutions and electrochemical reactions to form patterns on concrete surfaces. The electrochemical etching technology can obtain different surface effects by controlling the concentration, temperature, current density and other parameters of the solution;
Spraying technology, which is to spray pigment or texture material onto the concrete surface to form pattern. The spraying technology can realize a more complex pattern effect, but has poorer durability and is easy to be influenced by external environment;
the film sticking technology is to stick special film on the concrete surface to form different pattern effects. The film pasting technology can realize various complex pattern effects, but the film pasting durability is poor and is easy to be influenced by external environment;
Engraving technique-this technique is to pattern the concrete surface by means of mechanical or manual engraving. Engraving techniques can achieve very fine pattern effects, but are complex in process and high in cost.
From the above, although the existing concrete material surface patterning technology can achieve a certain decorative effect, the following three disadvantages still exist:
The durability problem is that in the current concrete surface patterning technology, such as a spraying technology, a film pasting technology and the like, the durability of pigment and film materials is poor, and the pigment and the film materials are easily influenced by external environmental factors such as oxidation, ultraviolet rays, pollution and the like, so that the color and the pattern lose the beauty;
the operation difficulty is high, the engraving technology needs professional technology and equipment, the construction difficulty is high, the cost is high, and the method is not suitable for large-area construction;
The effect is single, the current concrete surface patterning technology has single effect, only can realize limited texture, pattern and color changes, and the current technology is difficult to meet the design requirements of more diversification and individuation.
The disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems in the prior art that the durability is high, the operation difficulty is low and the patterns are diversified, and provides a preparation method, a fabric and application of a concrete surface texture facing fabric which can be used for realizing the durability is high, the operation difficulty is low and the patterns are diversified.
In order to achieve the aim, the technical scheme of the invention is that the preparation method of the concrete surface texture facing fabric comprises the following steps:
The first step is that the long fiber is put into etching component solution for dipping, and then the long fiber is taken out and dried to obtain the etching fiber, wherein the solvent of the etching component solution is water, the solute accounts for 0.1-1.0% of the mass ratio of the water, and the solute is any one or any mixture of the following components:
Solute A is organic matter containing hydroxyl;
Solute B is a sugar polyol derivative;
A solute C, namely phosphate;
uniformly mixing the first substance, the second substance and the third substance to obtain a mixture, adding water according to 30% -50% of the mass of the mixture, mixing to obtain a capsule core material, preparing the capsule core material into capsule core particles, wrapping a capsule wall material outside the capsule core particles to obtain a blank capsule, dissolving the capsule wall material in an environment with the pH value of more than or equal to 11, and carrying out forced air drying on the blank capsule to obtain microcapsules dispersed with each other;
The substance A is any one or any mixture of sodium silicate, aluminum oxide, potassium silicate, calcium silicate and calcium aluminum silicate, the substance B is any one or any mixture of microcrystalline cellulose, hydroxypropyl methylcellulose, hydroxyethyl cellulose, polyvinyl alcohol, methyl cellulose, hydroxypropyl cellulose, ethyl cellulose and corn starch, and the substance C is any one or any mixture of Tween 80, triton X-100, brij 35, NP-40 and CHAPS;
Thirdly, loading the microcapsules on the long fibers through a binder to obtain capsule fibers, and weaving the etched fibers and the capsule fibers into fabrics according to specific textures through a known weaving process, wherein the mass ratio of the etched fibers to the capsule fibers is 1-6:4-9, and the fabrics are the concrete surface texture facing fabrics.
In the first step:
When the solute A is adopted, the solute accounts for 0.1 to 0.3 percent of the mass of the water;
when the solute B is adopted, the solute accounts for 0.3 to 1.0 percent of the mass of the water;
when the solute C is adopted, the solute accounts for 0.1 to 0.5 percent of the mass of the water.
In the second step, the weight ratio of the substances A, B and C is 31-43:15-25:3-5.
In the second step, the preparation of the capsule core material into capsule core particles means that the capsule core material is prepared into the capsule core particles by adopting an extrusion and spheronization mode.
In the second step, the step of wrapping the capsule wall material outside the capsule core particles means that the capsule wall material is wrapped outside the capsule core particles in a spraying manner;
the wall material is seed solution, and the solute is any one or any mixture of polyurethane, gelatin, hydroxypropyl methyl cellulose and polyvinyl alcohol.
In the second step, microcapsules dispersed with each other are obtained, and then microcapsules having a particle diameter of 250 μm to 1000 μm are selected as the microcapsules used for the loading in the third step.
The fabric is the fabric manufactured by the method for manufacturing the concrete surface texture facing fabric, namely the concrete surface texture facing fabric.
Use of a fabric, said fabric being one of the fabrics described above, said use comprising any one of the following methods:
Firstly, pouring fresh concrete in a mould, covering one surface of a fabric on the surface of the concrete to enable slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing the fabric after the concrete is finally solidified, flushing the surface of the concrete in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components to form cloth grain patterns on the surface of the concrete;
Firstly, flatly paving and fixing the fabric on the inner side surface of a mould, then pouring fresh concrete into the mould, after pouring, enabling slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing a template forming the mould after the concrete is finally solidified, removing the fabric, flushing the concrete surface in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components, thereby forming a cloth grain pattern on the concrete surface.
In the method I, after slurry in concrete contacts with etching components and microcapsules on a fabric, naOH solution with the pH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then the concrete is waiting for final setting;
In the second method, after the fabric is flatly paved and fixed on the inner side surface of the die, naOH solution with the PH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then fresh concrete is poured into the die.
The time for stripping the fabric is 1-12 hours after the final setting of the concrete, and before the retarding effect of the etching component fails.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention relates to a preparation method of a concrete surface texture facing fabric, a fabric and an application thereof, wherein long fibers are firstly put into etching component solution for infiltration and drying to obtain etching fibers, then a capsule core material is manufactured into capsule core particles, then a capsule wall material is wrapped outside the capsule core particles to obtain blank capsules, then the blank capsules are subjected to forced air drying to obtain microcapsules which are dispersed with each other, the microcapsules are loaded on the long fibers (non-etching fibers but new long fibers) through a binder to obtain capsule fibers, and then the etching fibers and the capsule fibers are woven into the fabric according to a specific texture through a known weaving process. When the method is applied, one surface of the fabric is contacted with the surface of fresh concrete, the etching component and the microcapsule loaded on the fabric are contacted with the concrete, then the etching component permeates into the surface layer of the concrete and has a delay effect on the hydration reaction of cement on the surface layer (the etching component has a delay effect on the hydration reaction of the cement cementing material and can prolong the final setting time of the concrete for 2-24 hours), and a frosted surface with granular feel is formed on the surface of the concrete, meanwhile, the wall material of the microcapsule is dissolved and ruptured under the action of alkali in the concrete slurry, so that the core material component is contacted with the concrete and permeated into the concrete, namely, the chemical component in the core material and the cementing material are subjected to permeation crystallization reaction, namely, the chemical component in the core material enters the surface layer of the concrete and reacts with free calcium ions and water molecules in the concrete, so that a compact crystal surface layer structure is formed on the surface of the concrete, and the hardness, the compactness and the durability of the surface of the concrete are further enhanced. The whole reaction process is characterized in that the operation tool is simple and easy to obtain, the labor intensity is low, the operation difficulty is reduced, in addition, in the process of spinning through a known spinning process, the special texture can be used for manufacturing, the patterns are various, the more diversified, personalized and three-dimensional surface patterning design requirements can be met, in addition, the hydration delay reaction and the permeation crystallization reaction have better cooperation effect, the hydration delay reaction provides sufficient reaction time and reaction basis for the permeation crystallization reaction, the generation effect of crystals is facilitated to be improved, and the permeation crystallization reaction can improve the strength and the compactness of the frosted surface, so that the decoration and the durability of the patterns formed on the concrete surface are improved. Therefore, the invention can simultaneously realize the advantages of stronger durability, lower operation difficulty and diversified patterns.
2. In the preparation method, the fabric and the application of the texture facing fabric with the patterns on the concrete surface, the solute of the etching component solution is any one of the solute A, the solute B and the solute C, and the technical characteristics not only enable the design to have a relatively large selection range so as to meet different application requirements, but also enable the design to obtain stronger adjustability, such as the application effect of each solute, the application amount is different, and thus the richer patterning effect is obtained. Therefore, the invention has wider application range and stronger designability.
3. According to the preparation method, the fabric and the application of the fabric with the texture decorative surface on the concrete surface, the wall material is dissolved in the environment with the pH value more than or equal to 11, and the design ensures that after the microcapsule is contacted with the concrete, the wall is gradually broken in an alkaline environment, so that the core particles in the microcapsule are contacted with the concrete to perform the infiltration crystallization reaction, no external force is needed, and the operation is very convenient. Therefore, the operation convenience of the invention is strong.
Drawings
FIG. 1 is a schematic representation of the texture pattern of the fabric of the present invention formed on a concrete surface.
FIG. 2 is a schematic structural diagram of microcapsules of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 and 2, a method for preparing a concrete surface texture facing fabric, the method comprising the steps of:
The first step is that the long fiber is put into etching component solution for dipping, and then the long fiber is taken out and dried to obtain the etching fiber, wherein the solvent of the etching component solution is water, the solute accounts for 0.1-1.0% of the mass ratio of the water, and the solute is any one or any mixture of the following components:
Solute A is organic matter containing hydroxyl;
Solute B is a sugar polyol derivative;
A solute C, namely phosphate;
uniformly mixing the first substance, the second substance and the third substance to obtain a mixture, adding water according to 30% -50% of the mass of the mixture, mixing to obtain a capsule core material, preparing the capsule core material into capsule core particles, wrapping a capsule wall material outside the capsule core particles to obtain a blank capsule, dissolving the capsule wall material in an environment with the pH value of more than or equal to 11, and carrying out forced air drying on the blank capsule to obtain microcapsules dispersed with each other;
The substance A is any one or any mixture of sodium silicate, aluminum oxide, potassium silicate, calcium silicate and calcium aluminum silicate, the substance B is any one or any mixture of microcrystalline cellulose, hydroxypropyl methylcellulose, hydroxyethyl cellulose, polyvinyl alcohol, methyl cellulose, hydroxypropyl cellulose, ethyl cellulose and corn starch, and the substance C is any one or any mixture of Tween 80, triton X-100, brij 35, NP-40 and CHAPS;
Thirdly, loading the microcapsules on the long fibers through a binder to obtain capsule fibers, and weaving the etched fibers and the capsule fibers into fabrics according to specific textures through a known weaving process, wherein the mass ratio of the etched fibers to the capsule fibers is 1-6:4-9, and the fabrics are the concrete surface texture facing fabrics.
In the first step:
When the solute A is adopted, the solute accounts for 0.1 to 0.3 percent of the mass of the water;
when the solute B is adopted, the solute accounts for 0.3 to 1.0 percent of the mass of the water;
when the solute C is adopted, the solute accounts for 0.1 to 0.5 percent of the mass of the water.
In the second step, the weight ratio of the substances A, B and C is 31-43:15-25:3-5.
In the second step, the preparation of the capsule core material into capsule core particles means that the capsule core material is prepared into the capsule core particles by adopting an extrusion and spheronization mode.
In the second step, the step of wrapping the capsule wall material outside the capsule core particles means that the capsule wall material is wrapped outside the capsule core particles in a spraying manner;
the wall material is seed solution, and the solute is any one or any mixture of polyurethane, gelatin, hydroxypropyl methyl cellulose and polyvinyl alcohol.
In the second step, microcapsules dispersed with each other are obtained, and then microcapsules having a particle diameter of 250 μm to 1000 μm are selected as the microcapsules used for the loading in the third step.
The fabric is the fabric manufactured by the method for manufacturing the concrete surface texture facing fabric, namely the concrete surface texture facing fabric.
Use of a fabric, said fabric being one of the fabrics described above, said use comprising any one of the following methods:
Firstly, pouring fresh concrete in a mould, covering one surface of a fabric on the surface of the concrete to enable slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing the fabric after the concrete is finally solidified, flushing the surface of the concrete in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components to form cloth grain patterns on the surface of the concrete;
Firstly, flatly paving and fixing the fabric on the inner side surface of a mould, then pouring fresh concrete into the mould, after pouring, enabling slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing a template forming the mould after the concrete is finally solidified, removing the fabric, flushing the concrete surface in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components, thereby forming a cloth grain pattern on the concrete surface.
In the method I, after slurry in concrete contacts with etching components and microcapsules on a fabric, naOH solution with the pH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then the concrete is waiting for final setting;
In the second method, after the fabric is flatly paved and fixed on the inner side surface of the die, naOH solution with the PH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then fresh concrete is poured into the die.
The time for stripping the fabric is 1-12 hours after the final setting of the concrete, and before the retarding effect of the etching component fails.
The principle of the invention is explained as follows:
in the third step of the production method of the present invention, "the microcapsule is first supported on the long fiber by the binder to obtain the capsule fiber", where the long fiber is a new long fiber, not the same long fiber as used in the production of the etched fiber in the first step.
The concrete used in the present invention is a kind of slurry, viscous and movable.
Triton X-100, similar to Tween-80, is a nonionic surfactant, and is commonly used as a cell membrane dissociating agent and a protein dissociating agent, and the microcapsule is prepared as a dispersing agent in the design, so that the dispersibility and the stability are improved.
Brij 35 in the present invention is a nonionic surfactant that is commonly used to solubilize hydrophobic substances such as proteins and cholesterol.
NP-40, also known as Octylphenol polyethylene glycol ether, in the present invention is a nonionic surfactant, typically used for cell membrane dissociation and intracellular component extraction.
CHAPS, an ionic surfactant, of the present invention is useful for solubilizing membrane proteins and water-soluble proteins, also known as 3- [ (3-Cholamidopropyl) dimethylammonio ] -1-propanesulfonate.
Example 1:
Referring to fig. 1 and 2, a method for preparing a concrete surface texture facing fabric, the method comprising the steps of:
The first step is that the long fiber is put into etching component solution to be soaked for 1 to 2 hours, and then the long fiber is taken out and dried, so as to obtain the etching fiber, wherein the solvent of the etching component solution is water, the solute accounts for 0.1 to 1.0 percent of the mass ratio of the water, and the solute is any one or any mixture of the following components:
Solute A is organic matter containing hydroxyl;
Solute B is a sugar polyol derivative;
A solute C, namely phosphate;
Mixing three substances A, B and C uniformly to obtain a mixture, wherein the weight ratio of the three substances A, B and C is 31-43:15-25:3-5, water is added according to 30-50% of the mass of the mixture, the mixture is mixed to obtain a capsule core material, the capsule core material is prepared into capsule core particles, the outer part of the capsule core particles is wrapped with a capsule wall material to obtain blank capsules, the capsule wall material is dissolved in an environment with the pH value of more than or equal to 11, and the blank capsules are subjected to forced air drying to obtain mutually dispersed microcapsules (as shown in figure 2), wherein the substance A is any one or any mixture of sodium silicate, aluminum oxide, potassium silicate, calcium silicate and calcium aluminum silicate, the substance B is any one or any mixture of microcrystalline cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, polyvinyl alcohol, methyl cellulose, hydroxypropyl cellulose, ethyl cellulose and corn starch, and the substance C is any one or any mixture of Tween 80, triX-100, brij 35, CHANP and CHAPS;
Thirdly, loading the microcapsules on the long fibers through a binder to obtain capsule fibers, and weaving the etched fibers and the capsule fibers into fabrics according to specific textures through a known weaving process, wherein the mass ratio of the etched fibers to the capsule fibers is 1-6:4-9, and the fabrics are the concrete surface texture facing fabrics.
Example 2:
The basic content is the same as in example 1, except that:
In the first step:
When the solute A is adopted, the solute accounts for 0.1 to 0.3 percent of the mass of the water;
when the solute B is adopted, the solute accounts for 0.3 to 1.0 percent of the mass of the water;
when the solute C is adopted, the solute accounts for 0.1 to 0.5 percent of the mass of the water.
Example 3:
The basic content is the same as in example 1, except that:
In the second step, the mass ratio of the substances A, B and C to each other is sequentially 35% of sodium silicate, 22% of microcrystalline cellulose and 4% of tween 80.
Example 4:
The basic content is the same as in example 1, except that:
The fabric is the fabric manufactured by the method for manufacturing the concrete surface texture facing fabric, namely the concrete surface texture facing fabric.
Example 5:
The basic content is the same as in example 4, except that:
Use of a fabric, said fabric being one of the fabrics described above, said use comprising any one of the following methods:
Firstly, pouring fresh concrete in a mould, covering one surface of a fabric on the surface of the concrete to enable slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing the fabric after the concrete is finally solidified, flushing the surface of the concrete in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components to form cloth grain patterns on the surface of the concrete;
Firstly, flatly paving and fixing the fabric on the inner side surface of a mould, then pouring fresh concrete into the mould, after pouring, enabling slurry in the concrete to be in contact with etching components and microcapsules on the fabric, removing a template forming the mould after the concrete is finally solidified, removing the fabric, flushing the concrete surface in contact with the fabric by using a high-pressure water gun, and removing cement paste which is not coagulated due to the action of the etching components, thereby forming a cloth grain pattern on the concrete surface.
The above-mentioned cloth grain texture pattern is shown in fig. 1.
Example 6:
the basic content is the same as in example 5, except that:
in the method I, after slurry in concrete contacts with etching components and microcapsules on a fabric, naOH solution with the pH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then the concrete is waiting for final setting;
In the second method, after the fabric is flatly paved and fixed on the inner side surface of the die, naOH solution with the PH of more than or equal to 11 is uniformly sprayed on the surface of the fabric, and then fresh concrete is poured into the die.
When the method is applied, naOH solution is sprayed, so that the damage speed of the capsule wall material can be increased, and the reaction time is shortened.
Example 7:
the basic content is the same as in example 5, except that:
After the concrete is contacted with the etching components and the microcapsules on the fabric, external force can be applied to the fabric to destroy the capsule wall materials of the microcapsules by physical force, so that the capsule core particles in the microcapsules are contacted with the concrete, and at the moment, the physical destruction and the alkaline destruction are together carried out, so that the reaction speed can be increased.
Example 8:
The basic content is the same as in example 1, except that:
The preparation method of the etching component solution in the first step comprises the steps of firstly filling water with about 2/3 of a container (a glass or stainless steel container for avoiding the possibility of reaction with the hydroxyethyl cellulose) with clean water, wherein the temperature of the water is generally between 5 ℃ and 50 ℃, the dissolution of the hydroxyethyl cellulose can be accelerated by warm water, then adding the hydroxyethyl cellulose powder into the water gradually and fully stirring until the hydroxyethyl cellulose is completely dissolved, then continuously stirring the hydroxyethyl cellulose solution until the hydroxyethyl cellulose solution is uniform, ensuring that no particles and lumps remain, checking the concentration of the hydroxyethyl cellulose solution, adding water or the hydroxyethyl cellulose powder according to the actual requirement for adjustment until the required concentration (the mass ratio of solute to water is 0.15%) is achieved, then storing the etching component solution in a clean and sealed container, and storing the container in a dry and shade place for avoiding exposure to direct sunlight, and waiting for subsequent infiltration of long fibers.
The above description is merely of preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (9)
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| CN112295552A (en) * | 2020-10-26 | 2021-02-02 | 福州大学 | Hierarchical pore UiO-66 solid-phase micro-extraction fiber prepared by in-situ etching method and application thereof |
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| GB0130608D0 (en) * | 2001-12-21 | 2002-02-06 | Psimedica Ltd | Medical fibres and fabrics |
| CN102186936B (en) * | 2008-08-15 | 2014-12-24 | 威士伯采购公司 | Self-etching cementitious substrate coating composition |
| CN102912620B (en) * | 2012-10-18 | 2014-07-02 | 西安工程大学 | Method for modifying nanometer titanium dioxide polyester fiber with high photocatalytic activity |
| KR101722067B1 (en) * | 2016-01-18 | 2017-04-07 | 주식회사 씨앤지 | The functional material containing the Polymeric microcapsules and its manufacturing method |
| CN109554919A (en) * | 2018-12-04 | 2019-04-02 | 江苏金太阳纺织科技股份有限公司 | A kind of skin care antibacterial microcapsule finishing agent and its preparation method and application |
| CN110656388A (en) * | 2019-10-10 | 2020-01-07 | 恒天海龙(潍坊)新材料有限责任公司 | Preparation method of color-changing cellulose fibers |
| CN113666677A (en) * | 2021-08-16 | 2021-11-19 | 成都精准混凝土有限公司 | Ultrahigh-toughness concrete and curing method thereof |
| CN114276069A (en) * | 2021-12-02 | 2022-04-05 | 靖江市恒生混凝土制造有限公司 | Decorative concrete and preparation method thereof |
| CN114873965B (en) * | 2022-04-27 | 2022-11-22 | 水利部交通运输部国家能源局南京水利科学研究院 | A Joint Mortar for Improving the Durability of the Joint Surface of New and Old Concrete |
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| CN108822343A (en) * | 2018-04-25 | 2018-11-16 | 武汉水木弘新材料有限公司 | A kind of preparation method of phase transformation material of regenerated cellulose |
| CN112295552A (en) * | 2020-10-26 | 2021-02-02 | 福州大学 | Hierarchical pore UiO-66 solid-phase micro-extraction fiber prepared by in-situ etching method and application thereof |
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