KR100575451B1 - Multifunctional light weight inorganic-type elasticity spread film waterproof agent composition - Google Patents

Abstract

The present invention relates to a multifunctional lightweight inorganic elastic coating waterproofing material and a manufacturing method thereof, the elastic coating waterproofing material of the present invention is 100 parts by weight of inorganic fillers; It is made by mixing 110 to 130 parts by weight of a polymer acrylic emulsion resin binder, and the waterproofing material according to the present invention comprises a mixture of a polymer acrylic emulsion resin as a binder and a lightweight inorganic filler including fiber reinforced cellulose and a hollow nonflammable mineral. Excellent elasticity, strength and adhesion prevent leakage from the crack of building and prevent condensation due to heat insulation and insulation effect, so that the comfortable environment can be maintained without pollution of ceiling or wall in the room Ensuring sufficient thickness, high stability and solid coating, improves workability such as reduction of work time and number of processes due to crack prevention and shrinkage reduction. In addition, since the present invention does not use an organic solvent, there is no smell or toxicity of the solvent, and thus the working conditions are also good and environmentally friendly. The present invention has a specific gravity of about 1/3 to 1/5 lower than that of a conventional inorganic waterproofing material, which is a lightweight product, which can obtain a high value-added product through weight effect and cost reduction of composite materials and improvement of physical properties, and is resistant to acid, alkali, and heat. This product combines chemical stability. Therefore, it is excellent in preventing dew condensation by thermal stability and heat insulation effect, strong adhesion to ground surface, durability, weather resistance, cold resistance, etc., and it is effective in securing construction stability and economic efficiency by securing thickness and reducing the number of processes.

Description

Multifunctional light weight inorganic-type elasticity spread film waterproof agent composition}

1 is a view showing a viscosity expression structure of the fibrous tissue to the cellulose of insoluble fiber reinforced.

Figure 2 is a cross-sectional view showing the construction of the coating film waterproofing material according to the present invention for the external exposed portion.

Figure 3 is a cross-sectional view showing a construction state of the coating film waterproofing material according to the present invention to obtain a taste effect during the construction of the external exposed portion.

Figure 4 is a cross-sectional view showing a state in which the construction by inserting a reinforcing agent during construction of the coating film waterproofing material according to the present invention.

5 is a cross-sectional view showing a construction state for the external non-exposed portion of the coating film waterproofing material according to the present invention.

The present invention relates to a lightweight inorganic multifunctional elastic coating waterproofing material which ensures insulation and construction stability, and more particularly, there is a slip during working and stopping due to a combination of insoluble fiber reinforced cellulose having a three-dimensional structure. It is possible to work thicker with a single operation, and it is a lightweight filler with hollow fiber mineral with fiber reinforcement and closed pores, and it has high thermal stability, heat insulation, and excellent liquid retention ability to reduce shrinkage, prevent condensation, and keep warm and insulation. In addition, the number of processes is reduced due to the good raising of the coating layer, and the present invention relates to a multifunctional lightweight inorganic elastic coating waterproofing material which is secured in elasticity and breathability as well as adhesion and waterproofing by using with a polymer acrylic emulsion.

In general, to prevent water from flooding on the exterior walls and roofs of reinforced concrete buildings and other structures, the interior and exterior walls of basements, and leaks such as bathrooms, swimming pools, and storage tanks, waterproofing works are selected according to the use site or conditions. We are constructing.

In particular, inorganic materials, such as concrete structures, leak due to cracks, which degrades the durability of the structure, thereby promoting aging. In order to prevent this, a coating film waterproofing material is used to give elasticity to the waterproofing layer to cope with a structure crack.

The current coating film waterproofing material is a method of forming a waterproofing layer by applying liquid type materials such as urethane rubber, acrylic rubber, rubber asphalt and asphalt thermal method to the ground, and there is no connection part of waterproofing material such as asphalt roofings or synthetic polymer system. However, due to the impervious coating on the concrete slab floor, it is exposed to chemical and physical deterioration factors and external forces such as snow or rain, resulting in swelling, peeling and breakage caused by climate change. Defects are caused.

Each of the conventional coating film waterproofing method is as follows.

First, the urethane rubber-based waterproofing method is applied to the primer on the ground and confirm the drying condition of the primer, and then using a trowel, brush, roller, spraying, etc. by applying the urethane rubber-based waterproofing material several times until the predetermined thickness is seamless. It is a method of making a continuous waterproof layer, which is good for elasticity and cracking and has many performances.However, if the formulation is not accurate, the variation in quality is severe, and the construction is limited depending on the moisture content of the ground. It is difficult to construct in a narrow space and it is expensive.

And the acrylic rubber coating film waterproofing method is the same as the urethane rubber coating film waterproofing method, but it can be applied even if there is moisture in the base as a water-curable material, and there is no risk of odor, toxicity, fire or burn, and it has excellent adhesiveness. On the other hand, there is an advantage in that the adhesion is possible, while the film thickness is thin, which is weak in trauma and has a long curing time.

In addition, the waterproofing method of rubberized asphalt coating (cold method) is the same as that of urethane rubber coating waterproofing method. Water-soluble rubberized asphalt has no smell or toxicity, so it can be installed freely without restriction on the construction site and conditions. Due to the advantages that can withstand the cracks on the other hand, the curing time is long and has the disadvantage of lowering the strength compared to other coating waterproofing material.

In addition, asphalt thermal method waterproofing material is an asphalt-based product that has been used as an adhesive adhesive material for defects caused by the lifting and peeling of cement liquid waterproofing, and has a long history of use, but it is resistant to temperature stress due to its low elongation at low temperatures. If the waterproofing against the stress generated due to the crushing, spherical behavior, etc., there is a problem that the waterproofing layer is destroyed when the resistance to shrinkage, expansion and cracking of the material becomes weak. In addition, asphalt waterproofing requires separate equipment for heat-sealing asphalt.

In other coating film waterproofing methods, reactive curable resins such as epoxy resins and unsaturated polyester resins, and inorganic elastic film waterproofing materials may be used.

However, the film made of epoxy resin material can be integrated with concrete or asphalt, but when the crack is generated due to the lack of elongation of the material against the crack generated in the structure, the waterproof and anticorrosive function cannot be sufficiently exhibited.

Therefore, in order to overcome various problems of the conventional coating film waterproofing material, an inorganic elastic coating film waterproofing material, which is a waterproof material composed of a cement-based inorganic material that is cured by reacting with water and a synthetic resin emulsion component which is cured by drying or condensation reaction, is provided. It was. This waterproof method has good tensile strength, elasticity and adhesion, breathability of coating film, swelling prevention, and durability with inorganic water-curable material. It has no restriction on moisture on construction surface and is environmentally friendly without smell, toxicity, fire and burn. There is an advantage.

However, the construction process is a very complicated stage that involves many steps such as ground clearance, bottom coating, reinforcement insertion, overcoat, top coating, and top coating, and it takes a lot of time for construction. It may occur, and there is a possibility that the surface of the coating layer is not cured even in direct sunlight and high temperature, and the rapid surface hardening causes the occurrence of the cracking phenomenon.

As described above, the construction method and advantages and disadvantages of the conventional coating film waterproofing material are limited to the characteristics of the conventional coating film waterproofing material and the construction method using the same. However, in the lower part of the inorganic material such as concrete and mortar forming the building, leakage and condensation due to cracking occur, and this problem plays a role of deteriorating the structure durability and promoting aging.

However, the waterproofing industry prevents condensation from water droplets in the air and prevents condensation and ensures insulation and insulation, and prevents cracking and breaking of coating films due to waterproofing purposes such as floors, interior / exterior walls, and ceilings of concrete structures. In order to solve the leak prevention by only suppressing the coating film waterproofing material as in the prior art.

Recently, the background of the building shows that natural ventilation is hardly caused by the diffusion of high precision aluminum sash, and there is a big difference between the room temperature and the wall temperature. It is designed. Therefore, dew condensation occurs not only in bathrooms and basements but also in places where air is likely to be stagnant, such as north walls, closets, and corners.

In order to prevent this condensation, the building's interior management is performed by indoor ventilation, smooth communication of air, and humidity control, but it is impossible for temporary and inconvenient temporary measures, and it is necessary to increase the surface temperature of the ceiling or wall by increasing the insulation level of the building. If you finish with insulating material, you can reduce the damage by adjusting action.

Condensation causes leaks and dinners, as well as contaminating indoor ceilings and walls, as well as damaging property. In addition to waterproof construction, if the interior construction is carried out for insulation or sound insulation, the waterproof construction may be good for each floor, but the cost is excessive. There is also a problem that is likely to occur.

The present invention has been made in view of the problem of the conventional coating film waterproofing material by applying a durable inorganic-based elastic coating film to have breathability and moisture permeability and to secure the elasticity and strength of the coating film to prevent the leakage phenomenon due to the crack of the structure Multifunctional lightweight inorganic elastic coating waterproof material with condensation prevention, shrinkage prevention, light weight, chemical stability due to thermal stability and thermal insulation effect of coating film waterproof layer, and process reduction and work stability with sufficient film thickness It is to provide.

Multifunctional lightweight inorganic elastic film waterproofing material according to the present invention for achieving the above object is 100 parts by weight of inorganic fillers; 110 to 130 parts by weight of the polymer acrylic emulsion resin binder is mixed.

And preferably the acrylic acid emulsion resin is characterized in that the solid content 55% ~ 60%, viscosity 1,500 ~ 2,000cps, PH 6 ~ 8.

In addition, the inorganic filler is preferably 50 to 60 parts by weight of cement, 20 to 30 parts by weight of silica sand, 8 to 20 parts by weight of the hollow mineral material, and 1 to 3 parts by weight of insoluble cellulose.

Also preferably, the inorganic filler may contain 0.8 to 1.2 parts by weight of cement dispersant, 0.6 to 1.0 parts by weight of melamine-based high softening agent, 0.3 to 0.8 parts by weight of powder defoamer, 2 to 3 parts by weight of pigment, and 0.2 to 0.6 parts by weight of pigment dispersant. It is characterized by being blended.

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In the present invention, the multifunctional lightweight inorganic elastic film waterproofing material which ensures thermal insulation by inorganic bonding including cellulose of insoluble fiber reinforced and expanded hollow body of closed pores is largely light in the form of emulsion-type binder and waterproof / insulating mortar composition powder. It is composed of two-component inorganic fillers, and the binder is composed of a polymer acrylic ester emulsion, water, and an antifoaming agent. The waterproof and insulating mortar lightweight inorganic fillers include silica and functional cement having a particle size adjusted to a predetermined size; Natural insoluble cellulose with excellent liquid retention and strong crosslinking effect; Hollow nonflammable minerals with closed pores heat-treated at high temperature; Cement dispersants; Melamine-based high fluidizing agents for improving flowability and leveling properties, reducing surface tension of water, and improving wettability; Hydrocarbon-based antifoaming powder antifoaming agent; Pigmented pigments; It is composed of an anionic pigment dispersant.

Hereinafter, a preferred embodiment of the multifunctional lightweight inorganic elastic coating waterproof material according to the present invention will be described.

The multifunctional lightweight inorganic elastic coating waterproofing material according to the present invention is formed by mixing a predetermined amount of 100 parts by weight of an inorganic filler and 110 to 130 parts by weight of a polymer acrylic emulsion resin binder.

The inorganic filler is prepared by mixing 50 to 60 parts by weight of cement, 20 to 30 parts by weight of silica sand, 8 to 20 parts by weight of hollow mineral material, and 1 to 3 parts by weight of insoluble cellulose. 0.8 to 1.2 parts by weight, melamine-based high softening agent 0.6 to 1.0 parts by weight, 0.3 to 0.8 parts by weight of powder antifoaming agent, 2-3 parts by weight of coloring pigment, 0.2 to 0.6 parts by weight of pigment dispersant.

Hereinafter, each component will be described in detail.

First of all, the polymer acrylic ester emulsion forming a binder is a synthetic polymer resin which is used as a main component of the inorganic elastomeric waterproofing material, and when mixed with a lightweight inorganic filler, it has excellent miscibility with cement, breathability and water resistance, )

In particular, this polymer acrylic ester emulsion with excellent elongation, elasticity and tensile strength is a synthetic polymer resin designed to have excellent adhesion and adhesion with all adhesives by minimizing very fast pot life and working time. Solid content 55-60%, viscosity 1-500-2,000cps 25 degreeC, PH is 6-8.

And in order to secure the low temperature elasticity with crack support ability (crack followability) against microcracks to prevent the cracks from getting wider as the temperature decreases due to the cracks already occurring in the winter seasons where the four seasons are distinct. The following low Tg (glass transition temperature) synthetic polymers are used.

Defoamers added to the binder, when bubbles are generated when mixing the binder with the lightweight inorganic filler or when applied to the surface of the construction, the main performance of the tensile strength, elongation, tear strength of the coating film, as well as the adhesive strength is lowered to lift the phenomenon And poor waterproof. Therefore, as an antifoaming agent suitable for acrylic dispersion system, it is added to give strong antifoaming and defoaming effect as a mixture of lipophilic and polysiloxane which breaks bubbles.

Next, the inorganic filler includes silica sand together with cement in the above-mentioned composition ratio. Silica sand has a great effect to improve firm film formation and wear resistance with proper mixing control. However, the characteristics of the coating film changes according to the size of the silica sand, and causes the abnormality of the coating film, such as cracking phenomenon due to material separation after construction. Therefore, it is necessary to select a silica sand size of 150-250㎛ to adjust the particle size at a predetermined ratio.

Subsequently, insoluble fiber-reinforced cellulose contained in the filler is used. Existing inorganic elastic coating waterproofing material provided to overcome various problems of the conventional coating coating waterproofing material prevents swelling due to the air permeability of the coating film and gives elasticity to the coating film. Environmentally friendly products that have good tensile strength or elasticity, no smell or toxicity, or thick coating layers during construction cause material separation and do not undergo uniform curing of the coating layer at direct sunlight and at high temperatures, resulting in rapid surface hardening. Inevitably, the coating process is inevitably applied to the coating film thinly and several times. It was a difficult situation.

Therefore, when adopting insoluble fiber reinforced cellulose having a three-dimensional structure as in the present invention has a three-dimensional structure with a strong cross-linking effect, the longer the average length of the fiber becomes more effective Become. In addition, since there is no slip during operation and stoppage, it is possible to work thicker in one operation. It has high stability due to fiber reinforcement and excellent liquid retention at high temperature, so that the pot life is long and crack prevention and shrinkage rate are low. Also, due to the structural viscosity of the fibers, as soon as the shear force is applied to the tissue, the rest of the liquid is released from the fibrous structure into the matrix.

 And the tissue is liquefied. However, when shear forces are lost, the fiber reabsorbs water very quickly and immediately restores the original viscosity condition. The water penetrated into the fiber capillary reaches the condensation point at -70 ℃ and the structure of water modified by hydrogen bonding between cellulose and water is more dense than liquid state. This means that the cellulose fibers have complete freeze resistance.

Referring to Figure 1, the structure of the viscosity of the fibrous tissue for the insoluble fiber-reinforced cellulose, the viscosity of the fiber arrangement in the direction of fission flow of the fibrous tissue in the motion state after the initial stop state is reduced, the shear force is removed first It immediately returns to a stopped state.

In addition, insoluble fiber reinforced cellulose is classified according to fiber length, and the choice is made based on the requirements of the final product, such as surface and color, and short fiber length of ∮30㎛, ∮100㎛, ∮500㎛, ∮1,000㎛ ∮1,500㎛ ∮2,000㎛ can be selected and used

Next, the hollow nonflammable mineral contained in the filler will be described. Common expanded minerals are minerals formed by volcanic lava or magma flowing into surface lakes and rapidly cooled and contain volatiles with continuous solidification upon lake precipitation. Minerals having this property are finely pulverized and suddenly applied with a high temperature of about 1,000 ° C. or higher, and the volatiles contained therein gasify and expand inside the softened particles to form internal pores. Expands about 10-20 times its original volume.

The hollow body non-combustible mineral material adopted by the applicant is a hollow body product which induces expansion of the cell as much as possible but has closed pores such as soap bubbles, and is composed of bubble-shaped particles, and has a high thermal barrier effect and a thermal conductivity (0.03-0.05). Mh / mh · ℃), it is excellent in heat insulation and surface smoothness, and can be easily mixed and dispersed with other materials such as aqueous and powder. It has an optimal effect and forms a clean coating layer by leveling the coating film during construction.

In addition, since it is a pure inorganic material specially heat treated at a high temperature of 1,100 ° C, its melting point (1,300-1,500 ° C) is high and its heat resistance is high, so the pH is neutral, and it has excellent inertness, acid resistance and alkali resistance. In addition, the specific gravity is about 1/10 of calcium carbonate or talc, which is considerably lighter and has a lighter weight effect. Thus, a high value-added product can be obtained by reducing the manufacturing cost and improving the physical properties of the composite material.

Therefore, when the insoluble fiber-reinforced cellulose is mixed, hollow minerals are concentrated in the length of the cellulose fiber to form a solid, unified coating layer. Molding time), workability improvement, shrinkage and crack prevention, distinct coating film formation, material separation prevention, drying time and adhesion strength, and simplify the construction process, greatly reducing the number of processes and process time Be sure to Such hollow-expanded minerals are preferably 0.13-0.20g / cm3, particle size distribution 1-180, the average particle diameter of 80-100.

And it includes cement dispersant and melamine-based high fluidizing agent, which is used in the dry mixed powder of inorganic fillers to improve the binding fluidity and leveling properties, reduce the surface tension of water, and improve the wettability. In addition, it significantly increases the initial and termination strengths by a large water-repellent effect and increases workability without degrading the strength. In addition, the powder defoamer is hydrocarbon-based to prevent bubbles from being generated on the surface of the waterproof layer.

On the other hand, the filler may include a coloring pigment, which serves to give a color to the coating waterproofing material, and the inorganic pigment that can be mixed freely with the powder-type cement can be mixed with the inorganic filler to obtain the required color. Make sure

And a pigment dispersant is added to a filler. The reason why the pigment dispersant is added is that inadequate pigment dispersion may cause various kinds of defects such as aggregation, gloss reduction, color change, color separation, and precipitation. Therefore, the pigment dispersion functions to stabilize the dispersion to prevent the pigment dispersion from reaggregating through the following steps.

In the first step, air and water present on the pigment surface are removed and replaced with a resin solution. The interface between the solid and the gas (pigment / air) changes to the interface between the solid and the liquid (pigment / resin solution), and the resin solution penetrates into the space between the aggregates.

2nd step. It is the actual pigment dispersion step. By mechanical forces (collision and shear forces), the pigment aggregates are pulverized and the particle size is reduced.

3rd step. The dispersion must be stabilized to prevent the pigment dispersion from reaggregating. A special technique allows the pigment particles to be kept at a suitable distance to avoid contact again. Stabilization of the deagglomerated state is preferred, and pigment dispersion can be stabilized in the form of controlled coagulation.

Hereinafter, a plurality of embodiments of the multifunctional lightweight inorganic elastic coating waterproofing material according to the present invention will be described.

The multifunctional lightweight inorganic elastic coating waterproofing material according to the present invention is mainly used for roof slab and inner wall and outer wall of reinforced concrete structures, and the responsiveness of the polymer component to the hydration reaction by the cement component in the wet ground and the vibration and behavior of the ground structure. In order to secure the primary waterproofing performance by securing the elasticity and strength to prevent water leakage due to the crack of the structure and to have breathability and moisture permeability to the coating layer, the physical property test was conducted according to the standard of KS F 4919. .

In this property test, in order to give functionality to coating layer, cellulose of insoluble fiber reinforced, hollow nonflammable minerals and other additives are added to prevent condensation, shrinkage, weight reduction, chemicals due to thermal stability and thermal insulation effect of coating layer. Physical properties were tested according to the standard of KS F 4040 for the prevention of dew condensation by securing the stability of phosphorus as a secondary insulation effect.

In addition, the workability has been greatly improved, and as a disadvantage of the present inorganic type elastic coating waterproofing material, the complicated step of applying several times (6-7 steps) to secure the thickness of the coating film is reduced to 3-4 steps to reduce process and stability of work. It will provide a construction method.

First, in order to form a multifunctional lightweight inorganic two-component elastic coating waterproofing material, Examples 1 to 5 are configured as shown in Table 1 below to prepare a composition by the manufacturing method as shown in FIG.

First, in order to prepare a binder, water and an antifoaming agent are mixed with a polymer acrylic emulsion resin, and then, the viscosity is adjusted to 1,300-1,800 cps 25 ° C., PH = 7-9, followed by a binder manufacturing step (S100) of preparing a uniform liquid phase. In addition, the lightweight inorganic filler is subjected to a filler manufacturing step (S200) of mixing the particle size-controlled silica sand with cement and then injecting insoluble fiber-reinforced cellulose, hollow incombustible minerals and other additives and rotating for 30 minutes. .

Then, while putting the prepared binder in the mixing vessel and slowly mixing the filler of the lightweight inorganic system and then stirred and mixed enough to uniformly mix (S300). Then, using a brush or a roller, form a coating film with a uniform thickness of about 2-3 mm, according to the standard of KS F 4919, and to produce a coating layer of about 20-30 mm, respectively, according to the standard of KS F 4040. Physical property tests are carried out and the results are shown in Table 2 and Table 3.

As shown in the above table, the multifunctional lightweight inorganic elastic waterproofing material of the present invention decreases the tensile strength, elongation rate, tear strength, adhesion strength, absorption amount, and surface state of the coating film as the content of the hollow mineral material in the lightweight inorganic filler increases. Its thickness and thermal conductivity are markedly increased, and insoluble fiber-reinforced cellulose is also good at preventing high temperature at high temperatures due to thickness and thermal stability, but other physical properties are reduced.

Therefore, when judged as a whole, Example 4 exhibits even physical property values of KS F 4919 and KS F 4040, and the workability of the actual site is also excellent. And the remaining embodiments and other examples can be applied according to the working conditions.

In addition, as seen from the above results, it is important to select an optimal formulation composition because the formulation state of the lightweight inorganic filler composition affects not only the physical properties but also the workability.

Hereinafter, a construction method using the multifunctional lightweight inorganic elastic film waterproof material according to the present invention.

Multifunctional lightweight inorganic inorganic waterproof coating material of the present invention is a wide and wide range of construction methods depending on the environmental conditions and the use site, such as the basement, indoor ceiling or wall of the building, bathroom, water tank, as well as the exposed part of the roof floor, roof, outer wall. Do.

First, as shown in FIG. 2, the exposed part of the rooftop floor and the roof are cleaned in one step (base cleanup) by cleaning the dust, oil, dirt, etc. of the base surface 100, and then cleaning the joints, irregularities, etc. Evenly repair and treat defective elements of the roof, and grab the roof and slab surface (above 1/100 of pedestrian roof, 1/50 of non-pedestrian roof). After the base surface treatment in two steps (undercoat: primer treatment), using a one-component primer (110) of a multifunctional lightweight inorganic elastic coating material uniformly coated with a roller or a brush in an amount of 0.2-0.3kg / ㎡ and dried.

Subsequently, 0.7 kg / m 2 of lightweight inorganic filler is slowly added to the binder 0.9kg / m 2, which is the multifunctional lightweight inorganic elastic coating material, in three stages (middle coating 120), and then the mixture is stirred evenly so that there is no agglomeration and then evenly applied do.

Thereafter, once the intermediate coat 120 is completely cured or the coating film is completed, the intermediate coat 130 is performed twice in four steps to form a solid coating layer that secures thermal stability.

Conventional inorganic elastic coating waterproofing material is constructed by dividing it into non-exposed type or exposed type according to the use of the top coating agent, but the present invention according to the use part, that is, the exposed part is mixed with the binder by including a pigment in the light inorganic filling When expressing the coating film to form a coating layer itself, including the tower can be eliminated the separate tower process to achieve the effect of reducing the number of processes.

And when the user requires more visual satisfaction, as shown in FIG. 3, the intermediate double coat 130 is completely dried, and then a separate multifunctional lightweight inorganic elastic film waterproofing topcoat agent 150 using a brush, a roller, or a spray. You can choose to apply evenly to finish. And it is possible to construct a site where non-exposure or color is not important.

In addition, to reduce the risk of creep rupture for simultaneous cracking or continuous tensile strength of the coating film waterproofing layer to form a solid coating layer, as shown in FIG. 4, the first half coat 120 and the second mid coat 130 are shown. The reinforcement 140 can be inserted in between.

Secondly, as shown in FIG. 5, non-exposed areas such as ceilings, floors, walls, and bathrooms and water tanks in the basement or interior of buildings, and inside and around window frames, sash and window condensation, etc., prevent condensation. The construction method of the present invention in order to clean the harmful acid deposits (dirt, dust, etc.) on the construction surface, such as exposed areas, and then dry and apply a primer. Then, the binder of the present invention and the lightweight inorganic filler are sufficiently stirred to form a coating film with a uniform thickness, and after complete drying, the second coating layer is formed by the same method as described above to form a second coating layer.

Unlike the embodiment for the multi-functional lightweight inorganic inorganic waterproof coating material according to the present invention as described above may be modified in part different from the embodiment of the present invention by modifying the composition ratio of the composition or by adding additional additives.

However, if the modified embodiment basically includes the technical idea of the present invention, it should be regarded as all included in the technical scope of the present invention.

The multifunctional lightweight inorganic inorganic waterproof coating material according to the present invention is a mixture of a polymer acrylic emulsion resin as a binder and a lightweight inorganic filler including fiber reinforced cellulose and hollow incombustible minerals, and thus the elasticity, strength and adhesion of the coating film are excellent. It prevents water leakage due to cracks and prevents condensation due to the insulation and insulation effect, so that a pleasant environment can be maintained without contamination of the ceiling or walls in the room, and sufficient thickness, high stability, and solid coating film in one coating This prevents cracking and shrinkage and improves workability such as reduction of working time and number of processes.

In addition, since the present invention does not use an organic solvent, there is no smell or toxicity of the solvent, and thus the working conditions are also good and environmentally friendly. In addition, the present invention has a specific gravity of about 1/3 to 1/5 lower than that of the conventional inorganic waterproof material, which is a light weight product, and a high value-added product can be obtained through weight effect and cost reduction of composite materials and improved physical properties. This product has chemical stability such as heat resistance and heat resistance. Therefore, it is excellent in preventing dew condensation by thermal stability and heat insulation effect, strong adhesion to ground surface, durability, weather resistance, cold resistance, etc., and securing the construction stability and economic efficiency by securing thickness and reducing the number of processes.

Claims (7)

delete delete In the lightweight inorganic elastic coating waterproofing material, which is a mixture of 100 parts by weight of an inorganic filler and 110 parts by weight to 130 parts by weight of a polymer acrylic emulsion resin binder, The inorganic filler is 50 to 60 parts by weight of cement, 20 to 30 parts by weight of silica sand, 8 to 20 parts by weight of hollow mineral material, 1 to 3 parts by weight of insoluble cellulose, and the acrylic acid emulsion resin is 55% to Lightweight inorganic elastic coating waterproofing material, characterized in that 60%, viscosity 1,500 ~ 2,000cps, PH 6 ~ 8. According to claim 3, wherein the inorganic filler is 0.8 ~ 1.2 parts by weight of cement dispersant, 0.6 ~ 1.0 parts by weight of melamine-based high softening agent, 0.3 ~ 0.8 parts by weight of powder antifoaming agent, 2-3 parts by weight of pigment, pigment dispersant 0.2 ~ Lightweight inorganic elastic coating waterproofing material, characterized in that 0.6 parts by weight is blended. delete delete delete

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