CN113429914A - Production process and application of nano micro silica powder stone waterproof back adhesive - Google Patents
Production process and application of nano micro silica powder stone waterproof back adhesive Download PDFInfo
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- CN113429914A CN113429914A CN202110794209.XA CN202110794209A CN113429914A CN 113429914 A CN113429914 A CN 113429914A CN 202110794209 A CN202110794209 A CN 202110794209A CN 113429914 A CN113429914 A CN 113429914A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of architectural decoration, in particular to a production process and application of a nanometer silica fume stone waterproof back adhesive, wherein the production process comprises the following steps: (1) adding the micro silicon powder into organic high molecular polymer aqueous emulsion containing a dispersing agent for dispersing and stirring; (2) grinding the emulsion micro silicon powder slurry obtained after dispersion and stirring in a sand mill; (3) transferring the emulsion nanometer silica fume slurry obtained after grinding to a common stirrer, adding water, functional additives and other powder, and stirring to obtain the nanometer silica fume stone waterproof gum. The application steps comprise (a) cleaning and airing the protected stone surface; (b) adding the prepared nano micro silicon powder stone waterproof back adhesive into a spraying machine container, and spraying the waterproof back adhesive on the surface of the stone; or the prepared nano silica fume stone waterproof back glue is directly coated on the back of the plate. (c) And (5) drying the coating.
Description
Technical Field
The invention relates to the technical field of architectural decoration, in particular to a production process and application of a nanometer silica fume stone waterproof back adhesive, and especially relates to waterproof installation application of natural marble, granite, artificial stone, terrazzo or other stones.
Background
Natural stone and artificial stone are main materials for building decoration, but natural stone and artificial stone often have various quality problems in the application process: the artificial stone has the defects of various stone lesions affecting the beauty and various board surface warping, hollowing and cracking affecting the safe use, and particularly has more serious quality problems in the application aspect of the artificial stone.
In addition to the quality problems of the stone materials, the other largest external factor is 'water', water from a concrete base layer and a cement-based mounting material is volatilized after various soluble salts permeate the stone materials to reach the surface of the stone materials, and the left residues cause various stone material pathological changes which affect the attractiveness of the stone materials; the high-alkaline water from the concrete base and the cement-based mounting material is condensed at the bottom of the resin artificial stone which is not easy to permeate water, the bonding material resin of the artificial stone is gradually hydrolyzed, the structure of the artificial stone is damaged, the artificial stone gradually loses the final bulging crack of the strength, the water from the concrete base and the cement-based mounting material gradually permeates into the bottom of the inorganic artificial stone, and the bottom of the plate and the different wet expansion of the face are caused to cause the warping and hollowing of the plate. Many quality problems of natural and artificial stone in application are related to these intangible waters, which are statistically more damaging to building damage than natural disasters.
The waterproof treatment before the stone is installed is a necessary process, namely, the bottom surface and the periphery of the plate are subjected to waterproof treatment before the stone is installed, the earliest stone waterproof treatment uses a permeable waterproof agent, mainly uses an oily or aqueous silane/siloxane waterproof agent as a main part, the waterproof agent has good lotus leaf beads, and has intuitive effect, so the waterproof agent is widely used, but the silane/siloxane and other permeable hydrophobic waterproof agents quickly show one side of limitation, firstly, the permeable waterproof agent has certain limitation on stability and needs to be reapplied at certain intervals, but after the protective agent is coated on the back of the stone plate for installation, the waterproof function is found to be reduced, the reapplication is not possible, the limitation of the waterproof time of the waterproof agent is determined, and on the other hand, the waterproof agent has strong hydrophobic lotus leaf effect, the waterproof agent is coated on the board, and the board is often stuck and hollowly when the board is installed by using a cement-based binding material.
In order to solve the limitation and problem of the permeable waterproof agent, the stone industry has a waterproof back adhesive which is divided into a single-component waterproof back adhesive and a double-component waterproof back adhesive, the main components of the single-component waterproof back adhesive are high molecular polymer emulsion and various mineral fillers, the double-component waterproof back adhesive is composed of a liquid component and a powder component, the liquid component is mainly high molecular polymer emulsion with certain solid content, the powder component is premixed dry powder of cement and silt, no matter the single-component waterproof back adhesive or the double-component waterproof back adhesive, when in use, glass fiber mesh cloth is firstly paved on a plate surface needing to be applied with the waterproof back adhesive, then a scraper is used for spreading adhesive cement on the glass fiber mesh cloth, the waterproof back adhesive is the layer of a visible and real substance, and the problem that the function of the solid back adhesive layer can be reduced along with the use time does not exist in the layer, however, the waterproof effect of the waterproof back adhesive layer has many uncertainties, and the waterproof effect is influenced by many factors: the type of the high molecular polymer emulsion, the solid content of the high molecular polymer emulsion, the cement content, the type of the filler, the filler gradation and the number of times of the reciprocating operation of construction workers in the frictioning process all influence the waterproof effect of the waterproof back adhesive, and in fact, the waterproof back adhesive currently used in the stone industry still has many problems in the waterproof effect or the installation bonding strength.
The waterproof back glue which is more effective, more convenient to construct and better in waterproof effect is still a problem which needs to be solved urgently for solving the problem of application quality of the stone, and particularly under the condition that the application of the artificial stone is more and more popular, the problem of waterproofing the stone is more urgent to solve.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a production process and application of a nanometer silica fume stone waterproof back adhesive, wherein the production process comprises the following steps: (1) adding the micro silicon powder into organic high molecular polymer aqueous emulsion containing a dispersing agent for dispersing and stirring, so that the agglomerated micro silicon powder is wetted and dispersed, and the effect of initial dispersion is achieved; (2) grinding the emulsion micro silicon powder slurry obtained after dispersion and stirring in a sand mill, and grinding and reducing the micro silicon powder slurry to the original nano particle size of the micro silicon powder by the sand mill; and (3) transferring the emulsion nanometer silica fume obtained after grinding to a common stirrer, adding water, functional additives and other powder, and stirring to obtain the nanometer silica fume stone waterproof gum.
The application steps comprise (a) cleaning and airing the protected stone surface; (b) adding the prepared nano micro silicon powder stone waterproof back adhesive into a spraying machine container, spraying the waterproof back adhesive on the surface of the stone, and enabling the emulsion carrier to enable nano micro silicon particles to penetrate into micro gaps, capillary holes and defect positions on the surface of the stone and to be firmly adsorbed on the surface of the stone to form a dense protective film; (c) and (5) drying the coating.
Preferably, the dispersant is one or more of sodium tripolyphosphate, sodium fluoride, sodium fluorosilicate, citric acid and sodium citrate.
Preferably, the content of the dispersant is 0.1-1% of the total amount of the organic high molecular polymer aqueous emulsion.
Preferably, the organic high molecular polymer aqueous emulsion is one of acrylic resin aqueous emulsion, modified acrylic resin aqueous emulsion, polyurethane resin aqueous emulsion, butyl-benzene aqueous emulsion, modified polyurethane resin aqueous emulsion, polystyrene resin aqueous emulsion, modified polystyrene resin aqueous emulsion, polyvinyl acetate resin aqueous emulsion and modified polyvinyl acetate resin aqueous emulsion, or copolymer aqueous emulsion obtained by emulsion polymerization copolymerization of two or more monomers of acrylate monomer, polyisocyanate monomer and polyol monomer, styrene monomer and vinyl acetate monomer.
Preferably, the content of the organic high molecular polymer aqueous emulsion is 10-80% of the total input amount.
Preferably, the sand mill in the production process step (2) is a basket-type sand mill, the grinding time is 1-5 hours, and the grinding rotation speed is 500-.
Preferably, the functional additives added in the step (3) of the production process comprise preservatives, wetting agents, leveling agents, coupling agents, antifreezing agents, thickening agents and defoaming agents.
Preferably, the other powder added in the step (3) of the production process is one or more of quartz powder, glass powder, calcium carbonate powder, kaolin powder, mica powder and wollastonite powder.
Preferably, the spraying is carried out at a distance of 20CM from the surface of the stone, and the spraying coating is 0.1-0.2 mm.
The invention has the technical effects and advantages that:
1. according to the invention, the waterproof gum is prepared by grinding and reducing the silica fume to the original nano particle size by a sand mill instead of directly adding an auxiliary agent and the like after preliminarily dispersing the silica fume, so that the finally prepared waterproof gum can permeate micro gaps, capillary holes and defective parts on the surface of the stone material by nano-sized particles;
2. according to the invention, functional additives and other powder are added into the emulsion nanometer micro-silica powder for stirring, so that the prepared waterproof gum can form a protective film on the surface of the stone, can be wetted by water, has good compatibility with cement-based mounting materials, can react with calcium hydroxide generated during the solidification of cement-based bonding materials, prevents the surface of the stone from being whiskered, maintains the aesthetic feeling of the stone, and prolongs the service life of the stone;
3. at present, a large amount of waste materials produced in the ferrosilicon smelting process contain micro silicon powder, and the waterproof gum for stone is prepared by using the micro silicon powder, so that the use problem of the waste materials produced in the ferrosilicon smelting process is well solved.
Detailed Description
The following claims are hereby incorporated into the detailed description of the present invention, without any limitation thereto, and any limited number of modifications based on the technical solutions of the present invention may still be included in the present invention.
Example 1
A production process and application of a nanometer silica fume stone waterproof back adhesive are disclosed, wherein the production process comprises the following steps:
(1) the micro silicon powder is added into acrylic resin aqueous emulsion containing sodium fluoride, sodium fluosilicate and citric acid for dispersion and stirring, so that the agglomerated micro silicon powder is wetted and dispersed, and the effect of initial dispersion is achieved. Wherein the total content of the sodium fluoride, the sodium fluosilicate and the citric acid is 0.5 percent of the acrylic resin aqueous emulsion, and the content of the acrylic resin aqueous emulsion is 40 percent of the total dosage;
(2) the emulsion micro silicon powder obtained after dispersion and stirring is put into a basket type sand mill for grinding for 4.5 hours at the rotating speed of 800 r/min, and the micro silicon powder is ground and reduced to the original nano particle size of the micro silicon powder by the sand mill;
(3) transferring the emulsion nanometer silica fume slurry obtained after grinding to a common stirrer, adding water, a preservative, a wetting agent, a flatting agent, a coupling agent, an antifreezing agent, a thickening agent, a defoaming agent and quartz powder, and stirring to obtain the nanometer silica fume stone waterproof gum.
The application steps of the waterproof back adhesive comprise:
(a) cleaning and airing the surface of the protected stone; (b) adding the prepared nano micro silicon powder stone waterproof back adhesive into a sprayer container, spraying the waterproof back adhesive on the stone surface at a position 20CM away from the stone surface by a spray head, wherein the spraying coating is 0.2mm, and allowing the nano micro silicon particles to permeate into micro gaps, capillary holes and defective positions on the stone surface by an emulsion carrier to be firmly adsorbed on the stone surface to form a dense protective film; (c) and (5) drying the coating.
Example 2
A production process and application of a nanometer silica fume stone waterproof back adhesive are disclosed, wherein the production process comprises the following steps:
(1) the micro silicon powder is added into the modified acrylic resin aqueous emulsion containing sodium tripolyphosphate, sodium fluoride and sodium fluosilicate for dispersion and stirring, so that the agglomerated micro silicon powder is wetted and dispersed, and the effect of initial dispersion is achieved. Wherein the total content of the sodium tripolyphosphate, the sodium fluoride and the sodium fluosilicate is 0.5 percent of the modified acrylic resin aqueous emulsion, and the content of the modified acrylic resin aqueous emulsion is 60 percent of the total feeding amount;
(2) grinding the emulsion micro silicon powder slurry obtained after dispersion and stirring in a basket type sand mill at the rotating speed of 1000 rpm for 3.0 hours, and grinding and reducing the micro silicon powder to the original nano particle size of the micro silicon powder by the sand mill;
(3) transferring the emulsion nanometer micro-silicon slurry obtained after grinding to a common stirrer, adding water, a preservative, a wetting agent, a flatting agent, a coupling agent, an antifreezing agent, a thickening agent, a defoaming agent, quartz powder and glass powder, and stirring to obtain the nanometer micro-silicon powder stone waterproof back adhesive.
The application steps of the waterproof back adhesive comprise:
(a) cleaning and airing the surface of the protected stone; (b) adding the prepared nano micro silicon powder stone waterproof back adhesive into a sprayer container, spraying the waterproof back adhesive on the stone surface at a position 20CM away from the stone surface by a spray head, wherein the spraying coating is 0.1mm, and allowing the nano micro silicon particles to permeate into micro gaps, capillary holes and defective positions on the stone surface by an emulsion carrier to be firmly adsorbed on the stone surface to form a dense protective film; (c) and (5) drying the coating.
Example 3
A production process and application of a nanometer silica fume stone waterproof back adhesive are disclosed, wherein the production process comprises the following steps:
(1) the micro silicon powder is added into the modified polystyrene resin aqueous emulsion containing sodium fluosilicate, citric acid and sodium citrate for dispersion and stirring, so that the agglomerated micro silicon powder is wetted and dispersed, and the effect of initial dispersion is achieved. Wherein the total content of the sodium fluosilicate, the citric acid and the sodium citrate is 0.7 percent of the modified polystyrene resin aqueous emulsion, and the content of the modified polystyrene resin aqueous emulsion is 50 percent of the total feeding amount;
(2) grinding the emulsion micro silicon powder slurry obtained after dispersion and stirring in a basket type sand mill at the rotation speed of 650 rpm for 5.0 hours, and grinding and reducing the micro silicon powder to the original nano particle size of the micro silicon powder by the sand mill;
(3) transferring the emulsion nano micro silicon powder slurry obtained after grinding to a common stirrer, adding water, a preservative, a wetting agent, a flatting agent, a coupling agent, an antifreezing agent, a thickening agent, a defoaming agent, quartz powder, glass powder, calcium carbonate powder, kaolin powder, mica powder and wollastonite powder, and stirring to obtain the nano micro silicon powder stone waterproof back adhesive.
The application steps of the waterproof back adhesive comprise:
(a) cleaning and airing the surface of the protected stone; (b) adding the prepared nano micro silicon powder stone waterproof back glue into a sprayer container, spraying the waterproof back glue on the stone surface at a position 20CM away from the stone surface by a spray head, wherein the spraying coating is 0.15mm, and allowing the nano micro silicon particles to permeate into micro gaps, capillary holes and defective positions on the stone surface by an emulsion carrier to be firmly adsorbed on the stone surface to form a dense protective film; (c) and (5) drying the coating.
The above-mentioned process is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned examples, the spirit and principle of the present invention is to improve the quality of the product, and any other changes, decorations, substitutions, combinations, simplifications which do not depart from the spirit and principle of the present invention should be regarded as equivalent substitutions, which are included in the protection scope of the present invention.
Claims (10)
1. A production process and application of a nanometer silica fume stone waterproof back adhesive are characterized in that the production process comprises the following steps: (1) adding the micro silicon powder into organic high molecular polymer aqueous emulsion containing a dispersing agent for dispersing and stirring; (2) grinding the emulsion micro silicon powder slurry obtained after dispersion and stirring in a sand mill; (3) transferring the emulsion nanometer silica fume slurry obtained after grinding to a common stirrer, adding water, functional additives and other powder, and stirring to obtain the nanometer silica fume stone waterproof gum.
2. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the application steps comprise (a) cleaning and airing the protected stone surface; (b) adding the prepared nano micro silicon powder stone waterproof back adhesive into a spraying machine container, and spraying the waterproof back adhesive on the surface of the stone; (c) and (5) drying the coating.
3. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the dispersing agent is one or more of sodium tripolyphosphate, sodium fluoride, sodium fluosilicate, citric acid and sodium citrate.
4. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the content of the dispersant is 0.1-1% of the total amount of the organic high molecular polymer water-based emulsion.
5. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the organic high molecular polymer water-based emulsion is one of acrylic resin water-based emulsion, modified acrylic resin water-based emulsion, polyurethane resin water-based emulsion, butyl-benzene water-based emulsion, modified polyurethane resin water-based emulsion, polystyrene resin water-based emulsion, modified polystyrene resin water-based emulsion, polyvinyl acetate resin water-based emulsion and modified polyvinyl acetate resin water-based emulsion, or copolymer water-based emulsion obtained by emulsion polymerization copolymerization of two or more monomers of acrylic ester monomers, polyisocyanate monomers and polyol monomers, styrene monomers and vinyl acetate monomers.
6. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the content of the organic high molecular polymer water-based emulsion is 10-80% of the total input amount.
7. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the sand mill in the step (2) is a basket type sand mill, the grinding time is 1-5 hours, and the grinding rotating speed is 500-.
8. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: the functional auxiliary agents added in the step (3) comprise preservatives, wetting agents, flatting agents, coupling agents, antifreezing agents, thickening agents and defoaming agents.
9. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 1 are characterized in that: and (3) adding other powder(s) into the mixture, wherein the other powder(s) is one or more of quartz powder, glass powder, calcium carbonate powder, kaolin powder, mica powder and wollastonite powder.
10. The production process and the application of the nanometer silica fume stone waterproof back adhesive according to claim 2 are characterized in that: the spraying distance is 20CM from the surface of the stone when in spraying, and the spraying coating is 0.1-0.2 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110794209.XA CN113429914A (en) | 2021-07-14 | 2021-07-14 | Production process and application of nano micro silica powder stone waterproof back adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110794209.XA CN113429914A (en) | 2021-07-14 | 2021-07-14 | Production process and application of nano micro silica powder stone waterproof back adhesive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114214032A (en) * | 2021-12-30 | 2022-03-22 | 英德市雅凯高新材料有限公司 | Nanoscale wear-resistant weather-resistant waterproof adhesive and preparation method thereof |
| CN114605951A (en) * | 2022-01-26 | 2022-06-10 | 湖北碱克新材料有限公司 | Tile back glue and preparation method thereof |
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| CN110591532A (en) * | 2019-10-09 | 2019-12-20 | 江苏久诺建材科技股份有限公司 | Preparation method of stain-resistant high-hardness stone-like paint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114214032A (en) * | 2021-12-30 | 2022-03-22 | 英德市雅凯高新材料有限公司 | Nanoscale wear-resistant weather-resistant waterproof adhesive and preparation method thereof |
| CN114605951A (en) * | 2022-01-26 | 2022-06-10 | 湖北碱克新材料有限公司 | Tile back glue and preparation method thereof |
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Application publication date: 20210924 |