CN113930191B - Super-strong water-resistant bonding reinforcing agent and preparation method and construction method thereof - Google Patents
Super-strong water-resistant bonding reinforcing agent and preparation method and construction method thereof Download PDFInfo
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- CN113930191B CN113930191B CN202010600747.6A CN202010600747A CN113930191B CN 113930191 B CN113930191 B CN 113930191B CN 202010600747 A CN202010600747 A CN 202010600747A CN 113930191 B CN113930191 B CN 113930191B
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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
- 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
- C09J125/08—Copolymers of styrene
- C09J125/14—Copolymers of styrene with unsaturated esters
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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
- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0885—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements specially adapted for being adhesively fixed to the wall; Fastening means therefor; Fixing by means of plastics materials hardening after application
- E04F13/0887—Adhesive means specially adapted therefor, e.g. adhesive foils or strips
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an ultra-strong water-resistant bonding reinforcing agent and a preparation method and a construction method thereof, wherein the bonding reinforcing agent comprises, by weight, 30-40wt% of a first styrene-acrylic emulsion, 20-30 wt% of a second styrene-acrylic emulsion, 10-15 wt% of a styrene-butadiene emulsion, 5-10 wt% of a water-based carboxylic styrene-butadiene copolymer emulsion, 0.5-1 wt% of a water-based silane coupling agent, 1-2 wt% of a water-based silane-siloxane emulsion, 0.5-1 wt% of a polyether modified siloxane copolymer mixture, 0.5-1 wt% of an anticorrosive bactericide, 0.5-1 wt% of an antifoaming agent and 10-30 wt% of deionized water. The super-strong water-resistant bonding reinforcing agent has higher tensile bonding strength which is far more than 1.4MPa of ceramic tile back glue prepared from pure acrylic elastic emulsion and styrene-acrylic emulsion, can be applied to bonding base layers with higher smoothness, such as metal, glass, plastic, ceramic surfaces and the like, improves the decoration quality, has better water resistance and flexibility, and improves the application effect of the super-strong water-resistant bonding reinforcing agent in severe environment by combining the super-high tensile bonding strength.
Description
Technical Field
The invention relates to a super-strong water-resistant bonding reinforcing agent, a preparation method and a construction method thereof, belonging to the technical field of architectural decoration.
Background
The veneer project is to stick artificial and natural block materials on the surface of a base layer to form a decorative layer, with the development of the times, not only the sticking technology changes day by day, but also the materials of the base layer and the veneer are continuously updated, thereby meeting more decorative requirements. Meanwhile, when the veneer is connected with the base layer by using the adhesive, the original adhesive is difficult to meet the basic requirement of bonding the veneer and the base layer due to the updating of the base layer and the veneer material.
At present, a Chinese patent with a publication number of CN107083215B discloses a ceramic tile back glue prepared from a pure acrylic elastic emulsion and a styrene-acrylic emulsion and a process thereof, belonging to the field of ceramic tile back glue and comprising the following components: 50 to 70 parts of elastic pure acrylic emulsion, 50 to 30 parts of styrene-acrylic emulsion, 0.1 to 0.2 part of defoaming agent and 0.1 to 0.2 part of preservative, although the tile back glue uses the pure acrylic elastic emulsion and the styrene-acrylic emulsion with wide glass transition temperature range as base materials and is applied to the tile, according to the embodiments 1 to 6 in the invention, the back glue has the tensile bonding strength of 1.0 to 1.4MPa after the tile back glue is applied and cured for 7 days.
On the one hand, the adhesive is used for solving the problem that the ceramic tile often falls off due to the influence of construction conditions, environmental temperature and bonding materials, particularly the influence of the density and the water absorption of the ceramic tile in the process of pasting the ceramic tile, and is also suitable for the stone with low water absorption, compact texture and smooth surface, so that the adhesive strength between the ceramic tile and the bonding materials can be effectively improved.
On the other hand, after the paving and pasting are finished, once the veneer part is positioned in the severe environment such as wading, easy vibration and the like, the bonding between the veneer and the base layer can be further damaged by the soaking and vibration effects of water, and the problems of hollowing, shelling, falling and the like are easy to occur; therefore, the improvement of the existing adhesive, the enhancement of the bonding strength and the improvement of the application effect of the adhesive in severe environment are the directions of efforts required by those skilled in the art.
Disclosure of Invention
The invention aims to provide a super-strong water-resistant bonding reinforcing agent, a preparation method and a construction method thereof, and the bonding reinforcing agent solves the problems that in the prior art, when a veneer is bonded to a base layer by adopting the traditional back adhesive, the bonding strength is insufficient, the veneer is difficult to adapt to severe application environment, and common quality problems such as hollowing, shelling and falling easily occur.
In order to achieve the purpose, the invention adopts the technical scheme that: an ultra-strong water-resistant bonding reinforcing agent comprises, by weight, 30 to 40wt% of a first styrene-acrylic emulsion, 20 to 30wt% of a second styrene-acrylic emulsion, 10 to 15wt% of a styrene-butadiene emulsion, 5 to 10 wt% of an aqueous carboxylic styrene-butadiene copolymer emulsion, 0.5 to 1 wt% of an aqueous silane coupling agent, 1 to 2 wt% of a water-based silane-siloxane emulsion, 0.5 to 1 wt% of a polyether modified siloxane copolymer mixture, 0.5 to 1 wt% of an anticorrosive bactericide, 0.5 to 1 wt% of an antifoaming agent and 10 to 30wt% of deionized water.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the solid content of the first styrene-acrylic emulsion is 48%, and the solid content of the second styrene-acrylic emulsion is 52%.
2. In the scheme, the styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsion with the particle size of 10 to 30nm, and the solid content of the copolymer emulsion is 27%.
3. In the scheme, the solid content of the aqueous carboxylic styrene-butadiene copolymer emulsion is 42%.
4. In the scheme, the pH value of the first styrene-acrylic emulsion is 7.5 to 8.0, the pH value of the second styrene-acrylic emulsion is 6.5 to 7.0, the pH value of the styrene-butadiene emulsion is 6.5 to 7.5, the pH value of the aqueous carboxylic styrene-butadiene copolymer emulsion is 9.0 to 10.0, the pH value of the water-based silane-siloxane emulsion is 5.0 to 6.0, the pH value of the polyether modified siloxane copolymer mixture is 5.0 to 6.0, the pH value of the anticorrosive bactericide is 6.0 to 7.0, and the pH value of the defoaming agent is 7.0 to 8.0.
5. In the scheme, the solid content of the water-based silane coupling agent is 90%.
6. In the above scheme, the solid content of the polyether modified siloxane copolymer mixture is 85%.
7. In the scheme, the defoaming agent is one of mineral oil hydrophobic fumed silica or metal soap defoaming agent, the solid content is 100%, and the viscosity is 300 to 900cps.
In order to achieve the purpose, the invention also adopts a preparation method of the super-strong water-resistant bonding reinforcing agent, which comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 20 to 25L/min, stirring is carried out for 60 to 80 minutes, and the rotation speed of the dispersion machine is 400 to 600 revolutions per minute;
s2: sequentially adding the mixture of the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer into a stirring cylinder of a dispersion machine, and stirring for 20 to 30 minutes at the flow speed of 1 to 2L/min, wherein the rotation speed of the dispersion machine is 600 to 800 revolutions/min;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine, stirring for 15 minutes at a flow rate of 0.25-0.35L/min, standing for 5 minutes, and stirring for 10 minutes at a rotation speed of 400-600 revolutions/minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
In order to achieve the purpose, the invention also adopts a construction method of the super-strong water-resistant bonding reinforcing agent, which comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
m2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the bonding surface of the veneer or the surface of the base layer or the bonding surface of the veneer and the base layer by adopting a brushing, rolling or spraying mode;
wherein the thickness of the bonding layer is 0.4 to 0.6mm, and the dosage of the bonding reinforcing agent is 0.1 to 0.2kg/m < 2 >;
m3: veneer pasting: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be subjected to pasting construction without being dried in the air, or the adhesive layer is dried in the air and then subjected to pasting construction, and the drying time is 20-30min.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the super-strong water-resistant bonding reinforcing agent, the preparation method and the construction method thereof, the bonding reinforcing agent has the tensile bonding strength of 2.56MPa when being applied to a ceramic tile, the tensile bonding strength is far more than 1.4MPa of a back glue of the ceramic tile prepared from a pure acrylic elastic emulsion and a styrene-acrylic emulsion, the bonding strength is higher than that of the ceramic tile, the bonding quality of a decorative base layer with higher smoothness can be ensured, and the bonding quality of a decorative plate can be further ensured, so that the bonding reinforcing agent can be applied to a decorative plate with higher decorative surface smoothness, and the bonding quality of the decorative plate can be further improved.
2. According to the super-strong water-resistant bonding reinforcing agent, the preparation method and the construction method thereof, the water-based carboxylic styrene-butadiene copolymer emulsion, the water-based silane coupling agent, the water-based silane-siloxane emulsion and the polyether modified siloxane copolymer mixture are compounded, and the styrene-acrylic emulsion and the styrene-butadiene emulsion are selected, so that the waterproof and damp-proof (water vapor-resistant) performances of the bonding reinforcing agent are effectively enhanced, and the bonding reinforcing agent can ensure the bonding strength and the durability when being applied to severe environments such as water immersion, humidity and the like in combination with the super-high tensile bonding strength; meanwhile, the bonding reinforcing agent has better flexibility, and can ensure that the bonding strength and the decorative effect are not damaged even if the decorative part is in a long-term vibration area by combining the ultrahigh tensile bonding strength.
3. The superstrong water-resistant bonding reinforcing agent, the preparation method and the construction method thereof have the best effect when various components in the formula are effectively controlled by solid content and applied to the bonding reinforcing agent, so that the finished bonding reinforcing agent has the best tensile bonding strength, the best waterproof performance and the best flexibility.
4. According to the super-strong water-resistant bonding reinforcing agent, the preparation method and the construction method thereof, the pH value of the prepared bonding reinforcing agent is kept neutral by controlling the proper pH value of each component, and the bonding reinforcing agent is neither acid nor alkaline, so that the corrosion damage of the bonding reinforcing agent to the bonding surface of the base layer and the veneer is avoided, and the bonding effect is further ensured.
Detailed Description
Example 1: the super-strong water-resistant adhesion enhancer comprises 40wt% of first styrene-acrylic emulsion, 20 wt% of second styrene-acrylic emulsion, 15wt% of styrene-butadiene emulsion, 10 wt% of aqueous carboxylic styrene-butadiene copolymer emulsion, 1 wt% of aqueous silane coupling agent, 1.5 wt% of water-based silane-siloxane emulsion, 1 wt% of polyether modified siloxane copolymer mixture, 1 wt% of antiseptic bactericide, 0.5 wt% of defoaming agent and 10 wt% of deionized water based on the weight of the adhesion enhancer.
The solid content of the first styrene-acrylic emulsion is 48%, the pH value is 7.5-8.0, tests show that the 48% solid content of the first styrene-acrylic emulsion is applied to a formula of the bonding reinforcing agent, the tensile bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the tensile bonding strength of the bonding reinforcing agent can be reduced due to too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be remarkably reduced due to too high solid content; the solid content of the diphenyl-acrylic emulsion is 52%, the pH value is 6.5-7.0, tests show that the diphenyl-acrylic emulsion with the solid content of 52% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the flexibility and the permeability of the bonding reinforcing agent are optimal, meanwhile, the flexibility of the bonding reinforcing agent is reduced due to too low solid content, and the permeability of the bonding reinforcing agent is reduced due to too high solid content.
The styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsion with the particle size of 10nm, the solid content of the styrene-butadiene emulsion is 27%, the pH value is 6.5 to 7.5, tests show that the styrene-butadiene emulsion with the solid content of 27% is applied to a formula of a bonding reinforcing agent, after a finished product is formed, the permeability and the tensile bonding strength of the bonding reinforcing agent are optimal, meanwhile, the permeability of the bonding reinforcing agent can be obviously reduced by too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the pH value is 9.0-10.0, the water-based carboxylic styrene-butadiene copolymer emulsion has high pigment and filler binding force, can stabilize a floating ash surface and plays a role in improving the interface bonding strength of the bonding reinforcing agent, tests show that the water-based carboxylic styrene-butadiene copolymer emulsion with the solid content of 42% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the interface bonding strength of the bonding reinforcing agent is optimal, and meanwhile, the quick wetting performance and the leveling performance of the bonding reinforcing agent can be obviously reduced due to the excessively low or excessively high solid content, so that the interface bonding strength is influenced.
The water-based silane coupling agent is a water-based adhesion enhancer, the solid content of the water-based silane coupling agent is 90%, the interfacial adhesion force of the bonding enhancer and inorganic base materials such as metal, glass, ceramic and concrete is improved, tests show that the water-based silane coupling agent with the solid content of 90% is applied to the formula of the bonding enhancer, the interface bonding strength of the bonding enhancer is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced by too low solid content, and the water resistance and moisture resistance (water vapor resistance) of the bonding enhancer are reduced by too high solid content; the solid content of the water-based silane-siloxane emulsion is 35%, the pH value is 5.0 to 6.0, the bonding force of the bonding reinforcing agent and the interface of inorganic base materials such as metal, glass, ceramic and concrete is further improved, tests show that the water-based silane-siloxane emulsion with the solid content of 35% is applied to the formula of the bonding reinforcing agent, the interface bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced by the aid of too low solid content, and the water resistance and the moisture resistance (water vapor resistance) of the bonding reinforcing agent are reduced by the aid of too high solid content.
The solid content of the polyether modified siloxane copolymer mixture is 85%, the pH value is 5.0-6.0, the wetting property and the leveling property of the bonding reinforcing agent are improved, tests show that the polyether modified siloxane copolymer mixture with the solid content of 85% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the tensile bonding strength and the water resistance of the bonding reinforcing agent are optimal, meanwhile, the wetting property and the leveling property of the bonding reinforcing agent can be obviously reduced by too low solid content, and the waterproof and moistureproof (steam resistant) properties of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the antiseptic bactericide is 100 percent, the pH value is 6.0 to 7.0, the defoaming agent is mineral oil hydrophobic fumed silica and a metal soap defoaming agent, the solid content is 100 percent, the viscosity is 300 to 900cps, and the pH value is 7.0 to 8.0.
Here, basf 5041 is adopted as the first styrene-acrylic emulsion, dow 2012 is adopted as the second styrene-acrylic emulsion, xinte ma 3500 is adopted as the styrene-butadiene emulsion, xinte ma 3020 is adopted as the aqueous carboxyl styrene-butadiene copolymer emulsion, mi chart 200 is adopted as the aqueous silane coupling agent, dow Corning 6683 is adopted as the aqueous silane-siloxane emulsion, yitai De 1076 is adopted as the polyether modified siloxane copolymer mixture, langshen D7 is adopted as the antiseptic bactericide, and GMO-1 in the ancient chemical industry is adopted as the defoaming agent.
The preparation method of the super strong water-resistant bonding reinforcing agent comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 20L/min, stirring is carried out for 60 minutes, and the rotating speed of the dispersion machine is 400 revolutions per minute;
s2: then sequentially adding the mixture of the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer into a stirring cylinder of a dispersion machine, wherein the flow rate is 1L/min, stirring is carried out for 20 minutes, and the rotating speed of the dispersion machine is 600 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine at the flow rate of 0.25L/min, stirring for 15 minutes, standing for 5 minutes, and stirring for 10 minutes again at the rotation speed of 400 revolutions per minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
The construction method of the super strong water-resistant bonding reinforcing agent comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
m2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the bonding surface of the veneer or the surface of the base layer or the bonding surface of the veneer and the base layer by adopting a brushing, rolling or spraying mode;
wherein the thickness of the bonding layer is 0.4mm, and the bonding dosage is 0.1kg/m2;
m3: pasting the veneer: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be subjected to pasting construction without being aired, and the pasting construction is carried out after the adhesive layer is aired, and the airing time is 20min.
Example 2: the super-strong water-resistant adhesion enhancer comprises 30wt% of first styrene-acrylic emulsion, 30wt% of second styrene-acrylic emulsion, 15wt% of styrene-butadiene emulsion, 10 wt% of aqueous carboxylic styrene-butadiene copolymer emulsion, 1 wt% of aqueous silane coupling agent, 2 wt% of water-based silane-siloxane emulsion, 1 wt% of polyether modified siloxane copolymer mixture, 0.5 wt% of antiseptic bactericide, 1 wt% of defoaming agent and 10 wt% of deionized water based on the weight of the adhesion enhancer.
The solid content of the first styrene-acrylic emulsion is 48%, the pH value is 7.5-8.0, tests show that the 48% solid content of the first styrene-acrylic emulsion is applied to a formula of the bonding reinforcing agent, the tensile bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the tensile bonding strength of the bonding reinforcing agent can be reduced due to too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be remarkably reduced due to too high solid content; the solid content of the diphenyl-acrylic emulsion is 52%, the pH value is 6.5-7.0, and tests show that the diphenyl-acrylic emulsion with the solid content of 52% is applied to a formula of the bonding reinforcing agent, so that after a finished product is formed, the flexibility and the permeability of the bonding reinforcing agent are optimal, meanwhile, the too low solid content can reduce the flexibility of the bonding reinforcing agent, and the too high solid content can reduce the permeability of the bonding reinforcing agent.
The styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsion with the particle size of 10nm, the solid content of the styrene-butadiene emulsion is 27%, the pH value is 6.5 to 7.5, tests show that the styrene-butadiene emulsion with the solid content of 27% is applied to a formula of a bonding reinforcing agent, after a finished product is formed, the permeability and the tensile bonding strength of the bonding reinforcing agent are optimal, meanwhile, the permeability of the bonding reinforcing agent can be obviously reduced by too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the pH value is 9.0-10.0, the water-based carboxylic styrene-butadiene copolymer emulsion has high pigment and filler binding force, can stabilize a floating ash surface and plays a role in improving the interface bonding strength of the bonding reinforcing agent, tests show that the water-based carboxylic styrene-butadiene copolymer emulsion with the solid content of 42% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the interface bonding strength of the bonding reinforcing agent is optimal, and meanwhile, the quick wetting performance and the leveling performance of the bonding reinforcing agent can be obviously reduced due to the excessively low or excessively high solid content, so that the interface bonding strength is influenced.
The water-based silane coupling agent is a water-based adhesion enhancer, the solid content of the water-based silane coupling agent is 90%, the interfacial adhesion force between the adhesion enhancer and inorganic base materials such as metal, glass, ceramics and concrete is improved, tests show that the 90% solid content water-based silane coupling agent is applied to the formula of the adhesion enhancer, the interfacial adhesion strength of the adhesion enhancer is optimal after a finished product is formed, meanwhile, the interface adhesion strength can be reduced by too low solid content, and the water resistance and moisture resistance (water vapor resistance) of the adhesion enhancer can be reduced by too high solid content; the solid content of the water-based silane-siloxane emulsion is 35%, the pH value is 5.0 to 6.0, the bonding force of the bonding reinforcing agent and the interface of inorganic base materials such as metal, glass, ceramic and concrete is further improved, tests show that the water-based silane-siloxane emulsion with the solid content of 35% is applied to the formula of the bonding reinforcing agent, the interface bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced due to too low solid content, and the water resistance and the moisture resistance (water vapor resistance) of the bonding reinforcing agent are reduced due to too high solid content.
The solid content of the polyether modified siloxane copolymer mixture is 85%, the pH value is 5.0-6.0, the wettability and the leveling property of the bonding reinforcing agent are improved, tests show that the polyether modified siloxane copolymer mixture with the solid content of 85% is applied to the formula of the bonding reinforcing agent, after a finished product is formed, the tensile bonding strength and the water resistance of the bonding reinforcing agent are optimal, meanwhile, the too low solid content can obviously reduce the wettability and the leveling property of the bonding reinforcing agent, and the too high solid content can reduce the waterproof and damp-proof (water vapor resistant) properties of the bonding reinforcing agent; the solid content of the antiseptic bactericide is 100 percent, the pH value is 6.0 to 7.0, the defoamer is mineral oil hydrophobic fumed silica and a metallic soap defoamer, the solid content is 100 percent, the viscosity is 300 to 900cps, and the pH value is 7.0 to 8.0.
Here, basf 5041 is adopted as the first styrene-acrylic emulsion, dow 2012 is adopted as the second styrene-acrylic emulsion, xinte ma 3500 is adopted as the styrene-butadiene emulsion, xinte ma 3020 is adopted as the aqueous carboxyl styrene-butadiene copolymer emulsion, mi chart 200 is adopted as the aqueous silane coupling agent, dow Corning 6683 is adopted as the aqueous silane-siloxane emulsion, yitai De 1076 is adopted as the polyether modified siloxane copolymer mixture, langshen D7 is adopted as the antiseptic bactericide, and GMO-1 in the ancient chemical industry is adopted as the defoaming agent.
The preparation method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 21L/min, the stirring time is 65 minutes, and the rotating speed of the dispersion machine is 450 revolutions per minute;
s2: sequentially adding the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer mixture into a stirring cylinder of a dispersion machine, wherein the flow rate is 1.2L/min, and stirring for 23 minutes, and the rotating speed of the dispersion machine is 650 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine at the flow rate of 0.3L/min, stirring for 15 minutes, standing for 5 minutes, and stirring for 10 minutes again at the rotation speed of 450 revolutions per minute to obtain the finished product of the bonding reinforcing agent.
The construction method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
and M2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the surface of the bonding surface or the base layer of the veneer in a brushing, rolling or spraying manner;
wherein the thickness of the bonding layer is 0.45mm, and the dosage of the bonding reinforcing agent is 0.12kg/m2;
and M3: veneer pasting: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be subjected to pasting construction without being aired, and the pasting construction is carried out after the adhesive layer is aired, and the airing time is 23min.
Example 3: the super-strong water-resistant bonding enhancer comprises 35wt% of first styrene-acrylic emulsion, 25wt% of second styrene-acrylic emulsion, 15wt% of styrene-butadiene emulsion, 5wt% of aqueous carboxylic styrene-butadiene copolymer emulsion, 0.75 wt% of aqueous silane coupling agent, 1 wt% of water-based silane-siloxane emulsion, 0.75 wt% of polyether modified siloxane copolymer mixture, 0.75 wt% of antiseptic bactericide, 0.75 wt% of defoaming agent and 15wt% of deionized water based on the weight of the bonding enhancer.
The solid content of the first styrene-acrylic emulsion is 48%, the pH value is 7.5 to 8.0, tests show that the first styrene-acrylic emulsion with the solid content of 48% is applied to a bonding reinforcing agent formula to form a finished product, the tensile bonding strength of the bonding reinforcing agent is optimal, meanwhile, the tensile bonding strength of the bonding reinforcing agent can be reduced by too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be obviously reduced by too high solid content; the solid content of the diphenyl-acrylic emulsion is 52%, the pH value is 6.5-7.0, tests show that the diphenyl-acrylic emulsion with the solid content of 52% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the flexibility and the permeability of the bonding reinforcing agent are optimal, meanwhile, the flexibility of the bonding reinforcing agent is reduced due to too low solid content, and the permeability of the bonding reinforcing agent is reduced due to too high solid content.
The styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsion with the particle size of 10nm, the solid content of the styrene-butadiene emulsion is 27%, the pH value is 6.5 to 7.5, tests show that the styrene-butadiene emulsion with the solid content of 27% is applied to a formula of a bonding reinforcing agent, after a finished product is formed, the permeability and the tensile bonding strength of the bonding reinforcing agent are optimal, meanwhile, the permeability of the bonding reinforcing agent can be obviously reduced by too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the pH value is 9.0-10.0, the water-based carboxylic styrene-butadiene copolymer emulsion has high pigment and filler binding force, can stabilize a floating ash surface and plays a role in improving the interface bonding strength of the bonding reinforcing agent, tests show that the water-based carboxylic styrene-butadiene copolymer emulsion with the solid content of 42% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the interface bonding strength of the bonding reinforcing agent is optimal, and meanwhile, the quick wetting performance and the leveling performance of the bonding reinforcing agent can be obviously reduced due to the excessively low or excessively high solid content, so that the interface bonding strength is influenced.
The water-based silane coupling agent is a water-based adhesion enhancer, the solid content of the water-based silane coupling agent is 90%, the interfacial adhesion force between the adhesion enhancer and inorganic base materials such as metal, glass, ceramics and concrete is improved, tests show that the 90% solid content water-based silane coupling agent is applied to the formula of the adhesion enhancer, the interfacial adhesion strength of the adhesion enhancer is optimal after a finished product is formed, meanwhile, the interface adhesion strength can be reduced by too low solid content, and the water resistance and moisture resistance (water vapor resistance) of the adhesion enhancer can be reduced by too high solid content; the solid content of the water-based silane-siloxane emulsion is 35%, the pH value is 5.0 to 6.0, the bonding force of the bonding reinforcing agent and the interface of inorganic base materials such as metal, glass, ceramic and concrete is further improved, tests show that the water-based silane-siloxane emulsion with the solid content of 35% is applied to the formula of the bonding reinforcing agent, the interface bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced due to too low solid content, and the water resistance and the moisture resistance (water vapor resistance) of the bonding reinforcing agent are reduced due to too high solid content.
The solid content of the polyether modified siloxane copolymer mixture is 85%, the pH value is 5.0-6.0, the wettability and the leveling property of the bonding reinforcing agent are improved, tests show that the polyether modified siloxane copolymer mixture with the solid content of 85% is applied to the formula of the bonding reinforcing agent, after a finished product is formed, the tensile bonding strength and the water resistance of the bonding reinforcing agent are optimal, meanwhile, the too low solid content can obviously reduce the wettability and the leveling property of the bonding reinforcing agent, and the too high solid content can reduce the waterproof and damp-proof (water vapor resistant) properties of the bonding reinforcing agent; the solid content of the antiseptic bactericide is 100 percent, the pH value is 6.0 to 7.0, the defoaming agent is mineral oil hydrophobic fumed silica and a metal soap defoaming agent, the solid content is 100 percent, the viscosity is 300 to 900cps, and the pH value is 7.0 to 8.0.
The first styrene-acrylic emulsion adopts Basf 5041, the second styrene-acrylic emulsion adopts Dow 2012, the styrene-butadiene emulsion adopts Xinte Ma 3500, the water-based carboxyl styrene-butadiene copolymer emulsion adopts Xinte Ma 3020, the water-based silane coupling agent adopts Meiji 200, the water-based silane-siloxane emulsion adopts Dow Corning 6683, the polyether modified siloxane copolymer mixture adopts Yitaide 1076, the anticorrosive bactericide adopts Langshen D7, and the defoamer adopts Gutian chemical GMO-1.
The preparation method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 23L/min, the stirring time is 780 minutes, and the rotating speed of the dispersion machine is 500 revolutions per minute;
s2: sequentially adding the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer mixture into a stirring cylinder of a dispersion machine, wherein the flow rate is 1.5L/min, and stirring for 25 minutes, and the rotating speed of the dispersion machine is 700 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine at the flow rate of 0.3L/min, stirring for 15 minutes, standing for 5 minutes, and stirring for 10 minutes again at the rotation speed of 500 revolutions per minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
The construction method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
m2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the surface of the bonding surface or the base layer of the veneer in a brushing, rolling or spraying manner;
wherein the thickness of the bonding layer is 0.5mm, and the bonding consumption is 0.15kg/m2;
m3: pasting the veneer: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be constructed by pasting without being dried, and the adhesive layer is constructed by pasting after being dried, and the drying time is 25min.
Example 4: the super-strong water-resistant adhesion enhancer comprises 30wt% of first styrene-acrylic emulsion, 20 wt% of second styrene-acrylic emulsion, 10 wt% of styrene-butadiene emulsion, 5wt% of aqueous carboxylic styrene-butadiene copolymer emulsion, 0.5 wt% of aqueous silane coupling agent, 1.5 wt% of water-based silane-siloxane emulsion, 1 wt% of polyether modified siloxane copolymer mixture, 1 wt% of antiseptic bactericide, 1 wt% of defoaming agent and 30wt% of deionized water based on the weight of the adhesion enhancer.
The solid content of the first styrene-acrylic emulsion is 48%, the pH value is 7.5-8.0, tests show that the 48% solid content of the first styrene-acrylic emulsion is applied to a formula of the bonding reinforcing agent, the tensile bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the tensile bonding strength of the bonding reinforcing agent can be reduced due to too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be remarkably reduced due to too high solid content; the solid content of the diphenyl-acrylic emulsion is 52%, the pH value is 6.5-7.0, and tests show that the diphenyl-acrylic emulsion with the solid content of 52% is applied to a formula of the bonding reinforcing agent, so that after a finished product is formed, the flexibility and the permeability of the bonding reinforcing agent are optimal, meanwhile, the too low solid content can reduce the flexibility of the bonding reinforcing agent, and the too high solid content can reduce the permeability of the bonding reinforcing agent.
The styrene-butadiene emulsion is a copolymerization emulsion of butadiene and styrene emulsion with the particle size of 10nm, the solid content of the styrene-butadiene emulsion is 27%, the pH value is 6.5 to 7.5, tests show that the styrene-butadiene emulsion with the solid content of 27% is applied to a formula of a bonding reinforcing agent, after a finished product is formed, the permeability and the tensile bonding strength of the bonding reinforcing agent are optimal, meanwhile, the permeability of the bonding reinforcing agent can be obviously reduced by the aid of too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be reduced by the aid of too high solid content; the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the pH value is 9.0-10.0, the water-based carboxylic styrene-butadiene copolymer emulsion has high pigment and filler binding force, can stabilize a floating ash surface and plays a role in improving the interface bonding strength of the bonding reinforcing agent, tests show that the water-based carboxylic styrene-butadiene copolymer emulsion with the solid content of 42% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the interface bonding strength of the bonding reinforcing agent is optimal, and meanwhile, the quick wetting performance and the leveling performance of the bonding reinforcing agent can be obviously reduced due to the excessively low or excessively high solid content, so that the interface bonding strength is influenced.
The water-based silane coupling agent is a water-based adhesion enhancer, the solid content of the water-based silane coupling agent is 90%, the interfacial adhesion force between the adhesion enhancer and inorganic base materials such as metal, glass, ceramics and concrete is improved, tests show that the 90% solid content water-based silane coupling agent is applied to the formula of the adhesion enhancer, the interfacial adhesion strength of the adhesion enhancer is optimal after a finished product is formed, meanwhile, the interface adhesion strength can be reduced by too low solid content, and the water resistance and moisture resistance (water vapor resistance) of the adhesion enhancer can be reduced by too high solid content; the solid content of the water-based silane-siloxane emulsion is 35%, the pH value is 5.0 to 6.0, the bonding force of the bonding reinforcing agent and the interface of inorganic base materials such as metal, glass, ceramic and concrete is further improved, tests show that the water-based silane-siloxane emulsion with the solid content of 35% is applied to the formula of the bonding reinforcing agent, the interface bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced due to too low solid content, and the water resistance and the moisture resistance (water vapor resistance) of the bonding reinforcing agent are reduced due to too high solid content.
The solid content of the polyether modified siloxane copolymer mixture is 85%, the pH value is 5.0-6.0, the wettability and the leveling property of the bonding reinforcing agent are improved, tests show that the polyether modified siloxane copolymer mixture with the solid content of 85% is applied to the formula of the bonding reinforcing agent, after a finished product is formed, the tensile bonding strength and the water resistance of the bonding reinforcing agent are optimal, meanwhile, the too low solid content can obviously reduce the wettability and the leveling property of the bonding reinforcing agent, and the too high solid content can reduce the waterproof and damp-proof (water vapor resistant) properties of the bonding reinforcing agent; the solid content of the antiseptic bactericide is 100 percent, the pH value is 6.0 to 7.0, the defoaming agent is mineral oil hydrophobic fumed silica and a metal soap defoaming agent, the solid content is 100 percent, the viscosity is 300 to 900cps, and the pH value is 7.0 to 8.0.
Here, basf 5041 is adopted as the first styrene-acrylic emulsion, dow 2012 is adopted as the second styrene-acrylic emulsion, xinte ma 3500 is adopted as the styrene-butadiene emulsion, xinte ma 3020 is adopted as the aqueous carboxyl styrene-butadiene copolymer emulsion, mi chart 200 is adopted as the aqueous silane coupling agent, dow Corning 6683 is adopted as the aqueous silane-siloxane emulsion, yitai De 1076 is adopted as the polyether modified siloxane copolymer mixture, langshen D7 is adopted as the antiseptic bactericide, and GMO-1 in the ancient chemical industry is adopted as the defoaming agent.
The preparation method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 23L/min, the stirring time is 75 minutes, and the rotating speed of the dispersion machine is 550 revolutions per minute;
s2: sequentially adding the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer mixture into a stirring cylinder of a dispersion machine, wherein the flow rate is 2L/min, the stirring time is 28 minutes, and the rotating speed of the dispersion machine is 750 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine at the flow rate of 0.3L/min, stirring for 15 minutes, standing for 5 minutes, and stirring for 10 minutes again at the rotation speed of 550 revolutions per minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
The construction method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
and M2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the surface of the bonding surface or the base layer of the veneer in a brushing, rolling or spraying manner;
wherein the thickness of the bonding layer is 0.55mm, and the dosage of the bonding reinforcing agent is 0.18kg/m2;
and M3: pasting the veneer: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be constructed by pasting without being aired, and the adhesive layer can be constructed by pasting after being aired, and the airing time is 28min.
Example 5: the super-strong water-resistant adhesion enhancer comprises 37.5wt% of first styrene-acrylic emulsion, 22.5wt% of second styrene-acrylic emulsion, 12.5 wt% of styrene-butadiene emulsion, 7.5wt% of aqueous carboxylic styrene-butadiene copolymer emulsion, 0.75 wt% of aqueous silane coupling agent, 1.75 wt% of aqueous silane-siloxane emulsion, 0.75 wt% of polyether modified siloxane copolymer mixture, 0.75 wt% of antiseptic bactericide, 1 wt% of defoaming agent and 15wt% of deionized water based on the weight of the adhesion enhancer.
The solid content of the first styrene-acrylic emulsion is 48%, the pH value is 7.5-8.0, tests show that the 48% solid content of the first styrene-acrylic emulsion is applied to a formula of the bonding reinforcing agent, the tensile bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the tensile bonding strength of the bonding reinforcing agent can be reduced due to too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be remarkably reduced due to too high solid content; the solid content of the diphenyl-acrylic emulsion is 52%, the pH value is 6.5-7.0, tests show that the diphenyl-acrylic emulsion with the solid content of 52% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the flexibility and the permeability of the bonding reinforcing agent are optimal, meanwhile, the flexibility of the bonding reinforcing agent is reduced due to too low solid content, and the permeability of the bonding reinforcing agent is reduced due to too high solid content.
The styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsion with the particle size of 10nm, the solid content of the styrene-butadiene emulsion is 27%, the pH value is 6.5 to 7.5, tests show that the styrene-butadiene emulsion with the solid content of 27% is applied to a formula of a bonding reinforcing agent, after a finished product is formed, the permeability and the tensile bonding strength of the bonding reinforcing agent are optimal, meanwhile, the permeability of the bonding reinforcing agent can be obviously reduced by too low solid content, and the tensile bonding strength of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the pH value is 9.0-10.0, the water-based carboxylic styrene-butadiene copolymer emulsion has high pigment and filler binding force, can stabilize a floating ash surface and plays a role in improving the interface bonding strength of the bonding reinforcing agent, tests show that the water-based carboxylic styrene-butadiene copolymer emulsion with the solid content of 42% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the interface bonding strength of the bonding reinforcing agent is optimal, and meanwhile, the quick wetting performance and the leveling performance of the bonding reinforcing agent can be obviously reduced due to the excessively low or excessively high solid content, so that the interface bonding strength is influenced.
The water-based silane coupling agent is a water-based adhesion enhancer, the solid content of the water-based silane coupling agent is 90%, the interfacial adhesion force of the bonding enhancer and inorganic base materials such as metal, glass, ceramic and concrete is improved, tests show that the water-based silane coupling agent with the solid content of 90% is applied to the formula of the bonding enhancer, the interface bonding strength of the bonding enhancer is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced by too low solid content, and the water resistance and moisture resistance (water vapor resistance) of the bonding enhancer are reduced by too high solid content; the solid content of the water-based silane-siloxane emulsion is 35%, the pH value is 5.0 to 6.0, the bonding force of the bonding reinforcing agent and the interface of inorganic base materials such as metal, glass, ceramic and concrete is further improved, tests show that the water-based silane-siloxane emulsion with the solid content of 35% is applied to the formula of the bonding reinforcing agent, the interface bonding strength of the bonding reinforcing agent is optimal after a finished product is formed, meanwhile, the interface bonding strength is reduced by the aid of too low solid content, and the water resistance and the moisture resistance (water vapor resistance) of the bonding reinforcing agent are reduced by the aid of too high solid content.
The solid content of the polyether modified siloxane copolymer mixture is 85%, the pH value is 5.0-6.0, the wetting property and the leveling property of the bonding reinforcing agent are improved, tests show that the polyether modified siloxane copolymer mixture with the solid content of 85% is applied to a formula of the bonding reinforcing agent, after a finished product is formed, the tensile bonding strength and the water resistance of the bonding reinforcing agent are optimal, meanwhile, the wetting property and the leveling property of the bonding reinforcing agent can be obviously reduced by too low solid content, and the waterproof and moistureproof (steam resistant) properties of the bonding reinforcing agent can be reduced by too high solid content; the solid content of the antiseptic bactericide is 100 percent, the pH value is 6.0 to 7.0, the defoaming agent is mineral oil hydrophobic fumed silica and a metal soap defoaming agent, the solid content is 100 percent, the viscosity is 300 to 900cps, and the pH value is 7.0 to 8.0.
The first styrene-acrylic emulsion adopts Basf 5041, the second styrene-acrylic emulsion adopts Dow 2012, the styrene-butadiene emulsion adopts Xinte Ma 3500, the water-based carboxyl styrene-butadiene copolymer emulsion adopts Xinte Ma 3020, the water-based silane coupling agent adopts Meiji 200, the water-based silane-siloxane emulsion adopts Dow Corning 6683, the polyether modified siloxane copolymer mixture adopts Yitaide 1076, the anticorrosive bactericide adopts Langshen D7, and the defoamer adopts Gutian chemical GMO-1.
The preparation method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 25L/min, the stirring time is 80 minutes, and the rotating speed of the dispersion machine is 600 revolutions per minute;
s2: then sequentially adding the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer mixture into a stirring cylinder of a dispersion machine, wherein the flow rate is 2L/min, stirring is carried out for 30 minutes, and the rotating speed of the dispersion machine is 800 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine at the flow rate of 0.35L/min, stirring for 15 minutes, standing for 5 minutes, and stirring for 10 minutes again at the rotation speed of 600 revolutions per minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
The construction method of the super-strong water-resistant bonding reinforcing agent comprises the following steps:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
and M2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the surface of the bonding surface or the base layer of the veneer in a brushing, rolling or spraying manner;
wherein the thickness of the bonding layer is 0.6mm, and the dosage of the bonding reinforcing agent is 0.2kg/m2;
m3: pasting the veneer: attaching the veneer to the corresponding position of the base layer;
wherein the bonding layer can be subjected to pasting construction without being aired, or the bonding layer is aired and then subjected to pasting construction, and the airing time is 30min.
The finished products of the bonding reinforcing agents prepared in examples 1 to 5 were subjected to a tensile bond strength test according to JC/T907-2018 concrete interface treating agent, and the test criteria include only a method for testing a concrete interface, but at present, there is no standard method for testing other interfaces, so that the following data can be obtained by applying the method to other interfaces.
Wherein, the veneer is made of ceramic tiles.
Table 1 tensile bond strength test data
In summary, it can be seen from the table that the super-strong water-resistant type bonding reinforcing agent in embodiments 1 to 5 of the present invention has a higher tensile bonding strength, and preferably, in embodiment 1, when the super-strong water-resistant type bonding reinforcing agent is applied to a tile, the super-strong water-resistant type bonding reinforcing agent has a tensile bonding strength of 2.56MPa, which is far higher than 1.4MPa of a tile back adhesive prepared from a pure acrylic elastic emulsion and a styrene-acrylic emulsion, and can also be applied to a bonding base layer with higher smoothness, such as a metal, glass, plastic and ceramic surface, and the like, and has tensile bonding strengths of 2.32MPa, 2.15MPa, 2.02MPa and 2.20MPa, so that not only more paving and decorating requirements of a veneer are met, but also the bonding strength is ensured, the decorating quality is improved, and common quality problems, such as hollowing, peeling, and falling off, are avoided.
In addition, through the compounding of the mixture of the water-based carboxyl styrene-butadiene copolymer emulsion, the water-based silane coupling agent, the water-based silane-siloxane emulsion and the polyether modified siloxane copolymer and the selection of the styrene-acrylic emulsion and the styrene-butadiene emulsion, the waterproof and moistureproof (water vapor resistant) performances of the bonding reinforcing agent are effectively enhanced, and the bonding reinforcing agent can ensure the bonding strength and the durability when being applied to severe environments such as water immersion, humidity and the like in combination with the ultrahigh tensile bonding strength; meanwhile, the super-strong water-resistant bonding reinforcing agent has better flexibility, and can ensure the bonding strength and the decorative effect even if the decorative part is in a long-term vibration region by combining the super-high tensile bonding strength.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The super-strong water-resistant bonding reinforcing agent is characterized by comprising, by weight, 30-40wt% of a first styrene-acrylic emulsion, 20-30 wt% of a second styrene-acrylic emulsion, 10-15 wt% of a styrene-butadiene emulsion, 5-10 wt% of a water-based carboxylic styrene-butadiene copolymer emulsion, 0.5-1 wt% of a water-based silane coupling agent, 1-2 wt% of a water-based silane-siloxane emulsion, 0.5-1 wt% of a polyether modified siloxane copolymer mixture, 0.5-1 wt% of an anticorrosive bactericide, 0.5-1 wt% of an antifoaming agent and 10-30 wt% of deionized water, wherein the solid content of the first styrene-acrylic emulsion is 48%, the solid content of the second styrene-acrylic emulsion is 52%, the styrene-butadiene emulsion is a copolymer emulsion of butadiene and styrene emulsions with particle sizes of 10-30nm, the solid content of the copolymer emulsion is 27%, the solid content of the water-based carboxylic styrene-butadiene copolymer emulsion is 42%, the solid content of the water-based silane coupling agent is 90%, and the solid content of the polyether modified siloxane copolymer mixture is 85%.
2. The super-strong water-resistant bonding enhancer as claimed in claim 1, wherein the pH value of the first styrene-acrylic emulsion is 7.5 to 8.0, the pH value of the second styrene-acrylic emulsion is 6.5 to 7.0, the pH value of the styrene-butadiene emulsion is 6.5 to 7.5, the pH value of the aqueous carboxylic styrene-butadiene copolymer emulsion is 9.0 to 10.0, the pH value of the water-based silane-siloxane emulsion is 5.0 to 6.0, the pH value of the polyether modified siloxane copolymer mixture is 5.0 to 6.0, the pH value of the antiseptic and bactericidal agent is 6.0 to 7.0, and the pH value of the defoaming agent is 7.0 to 8.0.
3. The super strong water-resistant bonding enhancer as claimed in claim 1, wherein the defoamer is one of mineral oil hydrophobic fumed silica or metal soap defoamer, the solid content of the defoamer is 100%, and the viscosity of the defoamer is 300 to 900cps.
4. A method for preparing the super strong water-resistant adhesion enhancer according to any one of claims 1 to 3, comprising the steps of:
s1: sequentially adding the first styrene-acrylic emulsion, the second styrene-acrylic emulsion, the styrene-butadiene emulsion and deionized water into a stirring cylinder of a dispersion machine, wherein the flow rate is 20 to 25L/min, stirring is carried out for 60 to 80 minutes, and the rotation speed of the dispersion machine is 400 to 600 revolutions per minute;
s2: sequentially adding the mixture of the aqueous carboxylic styrene-butadiene copolymer emulsion, the aqueous silane coupling agent, the aqueous silane-siloxane emulsion and the polyether modified siloxane copolymer into a stirring cylinder of a dispersion machine, wherein the flow rate is 1 to 2L/min, and stirring for 20 to 30 minutes, and the rotation speed of the dispersion machine is 600 to 800 revolutions per minute;
s3: and finally, sequentially adding the anticorrosive bactericide and the defoaming agent into a stirring cylinder of a dispersion machine, stirring for 15 minutes at a flow rate of 0.25-0.35L/min, standing for 5 minutes, and stirring for 10 minutes at a rotation speed of 400-600 revolutions/minute of the dispersion machine to obtain the finished product of the bonding reinforcing agent.
5. A method for constructing the ultra-strong water-resistant adhesion enhancer as claimed in any one of claims 1 to 3, comprising the steps of:
m1: cleaning a base surface: cleaning dust, oil stain and release agent residue on the bonding surface;
m2: construction of a bonding reinforcing agent: uniformly coating the bonding reinforcing agent on the bonding surface of the veneer or the surface of the base layer or the bonding surface of the veneer and the base layer by adopting a brushing, rolling or spraying mode;
wherein the thickness of the bonding layer is 0.4 to 0.6mm, and the dosage of the bonding reinforcing agent is 0.1 to 0.2kg/m < 2 >;
and M3: pasting the veneer: attaching the veneer to the corresponding position of the base layer;
wherein the adhesive layer can be subjected to pasting construction without being aired, or the adhesive layer can be subjected to pasting construction after being aired, and the airing time is 20-30min.
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| CN109370483A (en) * | 2018-10-24 | 2019-02-22 | 杭州古邦建材科技有限公司 | A kind of strength is water-fast ceramic tile gum and preparation and construction method |
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| CN113930191A (en) | 2022-01-14 |
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