KR20040033387A - Composite and manufacture method for an escarp finish for health - Google Patents

Abstract

PURPOSE: Provided is a ceramic plastering composition for human health in addition to wall plastering by using acrylic polymer and natural inorganic materials as raw materials. CONSTITUTION: The wall plastering composition is prepared by mixing acrylic polymer, inorganic filler(10-40micrometer size) and water in a ratio of 1 : 3-7 : 0.75-2.5. The acrylic polymer is produced by the following steps of: (i) mixing 388-465g of deionized water, 0.77-0.93g of anionic surfactant, 0.77-0.93g of non-ionic surfactant, 0.77-0.93g of surfactant, 0.77-0.93 of dispersant and 2.56g/8.55g of initiator/H2O in a main tank and heating to 80-85deg.C; (ii) preparing pre-emulsion by mixing 177-212g of deionized water, 6.5-7.8g of anionic surfactant and 14-16.7g of non-ionic surfactant, adding 326-391g of butyl acrylate monomer, 281-336g of methyl methacrylate monomer, 8.5-10.2g of methacrylic acid, 2.9-3.5g of glycidyl methacrylate; (iii) adding a mixture of initiator(4.0-4.9g) and deionized water(8.5g) to the main tank of step (i), and adding pre-emulsion of step (ii) slowly at 80-85deg.C for 6-7hrs for polymerization; (iv) aging for 1hr; (v) cooling to room temperature and controlling pH of the reactants with ammonia water. The inorganic filler is prepared by mixing 50wt.% of Portland cement, 20-25wt.% of elvan and sericite, 10-15wt.% of diatomite, 5-8wt.% of calcium carbonate and 5-7wt.% of talc, and firing at 600-800deg.C, wherein the ratio of CaO and SiO2 is 1.3:1.

Description

Composition and manufacturing method for healthy interior wall finishing {Composite and manufacture method for an escarp finish for health}

The present invention relates to a composition for a healthy inner wall finishing and a method for manufacturing the same, and more particularly, functional acrylic (BAM, MMA, MAA to satisfy the performance as a healthy material while satisfying the performance for the wall finishing finishing materials) , GMA) material and a method for producing a healthy inner wall finishing composition and a method for producing the same by the appropriate combination of a reactive and natural inorganic materials.

In general, the 'healthy materials' used in the present invention are "evaluation criteria of the excellent residential environment certification system, Kyu-in Lee", "Green Building Evaluation Criteria, USA", "Governor's Guidance", Kwanhwan 58800-255 (1999.12.17) It refers to the items related to health materials by investigating on the basis of the "Design Guidelines for Buildings", "Enforcement Decree of Article 39 (1) of the Enforcement Decree of the Air Environment Conservation Act No. 2000-71".

In the "Evaluation Criteria for Residential Housing Certification System, Lee Kyu-in", the "Core Planning Principles and Planning Goals of the Interior Environment Sector" section describes "Restricting the use of hazardous building materials to create a healthy indoor environment." As an indicator of ecological environment, "Use of healthy natural ingredients" is written in the goal setting section.

In "Technical measures for certification of green building of USGBC", the evaluation of "IEQ (Indoor Air Quality)" is evaluated 4) the use of low VOCs emitting materials, 5) the control of indoor chemicals and pollutants.

Japan's building environment-friendly measures and related system and standard status data are more quantitatively described in the “Indoor Air Quality” section of “Essential Requirements of Accreditation Standards for Environmentally Shared Housing”. Use the product specified that formalin was not used. 5) Formalin is not used for the adhesives and paints used for interior work, and toluene and xylene are used. When using adhesives or paints based on organic solvents, the amount of use should be kept to a minimum and sufficient curing period is required. ”

In Korea, the Guidance on the Ministry of Construction's guidelines "Konhwan 58800-255 (1999.12.17)"

Chapter 1 Article 4 (General Principles of Design): To minimize the use of urea formaldehyde foam, coal tar, asbestos, and lead-based materials in order to minimize 2-indoor pollution, increase the level of inorganic fiber use (ratio). Efforts should be made to improve indoor air quality by using natural coating materials.

Paragraph 2 of Article 17 (Improvement of Comfort): To improve indoor air quality (IAQ), the steps of the following subparagraphs may be reduced so that moisture penetration and congestion, generation of harmful or toxic gases from materials or products can be reduced. Consideration should be given.

Article 20 (Use of environmentally-friendly materials and materials): In order to realize eco-friendly buildings, the use of building materials with low environmental loads is encouraged, and the use rate of recycled materials or materials that can be recycled is increased.

⑨ Make a list of harmful organic compounds (VOCs) and chemical substances (e.g. interior materials, finishes, adhesives, paints, etc.) for inspection.

Where moisture can help the growth of bacteria, specify materials that specifically inhibit the growth of microorganisms.

In addition, in the "4. Comfortable indoor environment creation technique" item in the element technology and techniques for the related items among the element technologies and techniques of environmentally friendly construction, the use of insulation and heat storage function interior materials and harmless interior materials , Blocking of electromagnetic fields ".

In addition, pursuant to the provisions of Article 39 (1) of the Enforcement Decree of the Air Environment Conservation Act No. 2000-71, "Regulatory Products and Materials of Volatile Organic Compounds (No. 1998-45, '98 .7.16. ' Amended, and notified.

In order to understand the definition of "healthy material" as above, we looked at a variety of related data, but in Korea, 11 details related to "use of environmentally friendly materials and materials" are defined in Article 20. It seems to be satisfied. This is broadly interpreted as a material that satisfies or exceeds the above provisions for environmental loads over the entire life cycle, including raw materials for construction materials → health of materials and recycling.

However, the use of the term "healthy material" in the present invention was used as a meaning of consultation because the required performance to be provided as "eco-friendly material or material" in the above various materials was not extensively examined in the present invention.

Items derived as the meaning of "healthy material" in the above data can be derived as the required performance that the present invention should have as a healthful material, described as follows.

① Restrict the use of hazardous building materials to create a healthy indoor environment.

② Use of low VOCs emitting materials.

③ Control of indoor chemicals and pollutants.

④ Formalin is not used for adhesives and paints used in interior work, and toluene and xylene should be used.

⑤ To minimize indoor pollution, the use of urea formaldehyde foam, coal tar, asbestos, lead-based materials, etc. is suppressed, the inorganic fiber usage level (ratio) is increased, and natural coating materials are used.

⑥ To improve indoor air quality, consideration should be given to reducing moisture penetration and congestion, and the generation of harmful or toxic gases from materials and products.

In addition, a brief description of the required performance to be provided as a health finishing material for the inner wall is as follows.

① Do not fall off by adhering to the base

② Withstand the repeated cold environment

③ There should be no crack and elasticity to protect the crack of the substrate.

④ Withstand impact load by body or furniture

⑤ Easy to apply, suitable for pot life, good construction performance, beautiful appearance

⑥ Others, ability to control moisture permeability, deodorant effect, pH stability of indoor humidity

As a finishing material of the existing concrete, paints such as paints and mortar have been used. Recently, as the importance of plastering has become important, it has been collectively referred to as a plaster finish, but has been used as a protective coating agent for concrete.

In other words, the performance required as a concrete protective coating in the past is ① chemical resistance (salt, acid) ② diffusion resistance (gas, water) ③ weather resistance (ultraviolet, ozone, temperature and humidity conditions) ④ expansion resistance (freeze melting, alkali silica reaction) ⑤ Only the performance required as a protective coating agent for concrete, such as crack resistance, ⑥ elasticity, fatigue resistance, ⑦ elongation, ⑧ adhesion performance, ⑨ abrasion resistance, durability, and aesthetics were considered. However, in recent years, as global regulations and interests on environmental friendliness and safety of users are heightened, such required performance is required for finishing materials, and moreover, even in the case of environmentally friendly materials, even higher performance is recognized.

The following [Table 1] shows examples of the terms 'environmentally friendly', 'healthy' and 'natural' in Korea, which are more difficult in terms of material design than floor plastering. Most of them are commercially available for the floor with far-infrared emission effect, and some are developed for wall, but they are not satisfactory quality.

[Table 1] Health wallpaper and flooring cases

division Material name Characteristic Application area Flooring Elvan Stone Mortar Far infrared ray emission effect Floor plaster Ocher flooring Far infrared ray emission effect Floor plaster Flooring Natural Cerium Carpet Natural texture of materials such as wood Living room and kitchen, bedroom Antibacterial Tile Insufficient durability to secure mold resistance Bathroom tiles and joints wallpaper Charcoal Badge Indoor Humidity Control, Indoor Air Purification Doubt site Hanji Wallpaper High-quality interior material made of Japanese mulberry Doubt site glue Charcoal paste Reduction of harmful chemicals in indoor humidity control Doubt site Natural adhesive Natural material adhesive without organic chemical For dome lium carpet Paint Natural Paint Non-toxic and heavy metals made from pure natural products without using organic chemical solvents Balcony, Living Room Acrylic silicone copolymer paint Acquired environmental mark Less environmentally harmful substances (volatile organic solvents) are included Balcony, Living Room

1) Environmentally friendly point, adhesive development status

Water-based adhesives are generally classified into a non-uniform type (emulsion type) that uses water as a dispersion medium, a type that is uniformly dissolved in water (water-soluble type), and a type that can be diluted with water using an alcohol as a solvent. If the type is classified according to the polymerization method, it can be divided into emulsion polymerization type, suspension polymerization type and forced emulsion type. Among them, the emulsion type adhesive means an emulsion polymerization type adhesive, and most water-based adhesives belong to this type.

① Emulsion type adhesive (Binder)

Emulsion adhesives are divided into acrylic, rubber and ethylene vinyl acetate (EVA) according to their main components. Synthetic rubbers (SBR, NBR) are mainly used in the adhesive tape field to take advantage of the properties of rubber, but there is a problem in the mechanical stability of the emulsion, and ethylene vinyl acetate (EVA) is compared with the type used for adhesives. Although the adhesiveness is provided by increasing the ethylene component or copolymerizing a low Tg acrylic component, it is still a fact that there are few uses utilizing the characteristics compared to the acrylic system.

Natural rubber is a water-dispersible polymer originally obtained in a latex state. If it can be used by adding an additive such as a tackifier to the latex state, it can be economically excellent adhesive. However, due to lack of mechanical stability, stabilization is achieved by the addition of ammonia water. In addition, since the natural rubber in the latex state is high molecular weight, the use that can be used as it is limited. Natural rubber-based adhesives are formulated to reduce the molecular weight of the solidified natural rubber in the low-burning process, but for the latex it is necessary to reduce the molecular weight by depolymerization technology. Therefore, it remains to be used in the field which utilized the re-peelability of natural rubber.

② Acrylic Adhesive (Binder)

The chemical structure of the acrylic polymer is [(CH ₂ -CH (OR)], where R is classified into various acrylic polymers according to the structure of R. Generally, R is an alkyl or alkoxyalkyl group. As the carbon number of R increases, the Tg decreases, the softening degree increases, and the dissipation energy increases. On the contrary, when the carbon number decreases, the Tg increases and the hardness increases, so that the energy dissipation capacity decreases.

Acrylic resins are chemically structurally resistant to heat resistance (-40 to 204 ° C), oil resistance at high temperatures, acid resistance, ozone resistance, solvent resistance (particularly aliphatic hydrocarbons), and resistance to sunlight (UV) discoloration. It has advantages

Compared with solvent-based pressure-sensitive adhesives, emulsion types often have poor adhesion performance such as adhesion, cohesion, shear, and heat resistance even when the polymer components are almost the same. It is a big problem of the emulsion type that it contains low molecular weight components which are not helpful, so that moisture resistance and water resistance are poor.

③ Polymer for Cement

Polymers for cement are roughly divided into four types: polymer dispersion, redispersible polymer powder, water-soluble polymer, and liquid polymer.

In recent years, practical evaluation has begun to be confirmed, and there are liquid emulsion polymers such as re-emulsified powder resins of EVA and VAVeoVa (vinyl acetate acetate) and epoxy resins and unsaturated polyester resins. In particular, re-emulsified powder resin is used as a factory-packed material, such as a backing material (commonly known as cement filler), thick coating finish, thin coating finish, adhesive for tile.

2) inorganic filler

Filler is a solid additive used to increase the apparent density or to improve the physical properties, but basically it is used as a means to lower the product price, and in recent years it is important to improve the physical properties.

Considerations for choosing fillers or reinforcing agents include (1) optimum particle size distribution, (2) activity of filler surfaces, (3) dispersion and bonding of polymer matrix, (4) product properties, (5) dust safety, and (6) cost. In the present invention, while exhibiting ① heavy metal adsorption property, ② pH stability, ③ deodorizing effect, and the like as a reactive filler rather than a simple filler, it has to play a role as a reinforcing agent.

The cement polymer used in the conventional building materials forms a film on the surface, and when used for the wall, there are defects such as lifting, dropping and cracking due to evaporation pressure of water or stress at the film and adhesive interface. In case of incorporating a health material into such a resin, it could not exhibit its characteristics due to the formation of a film on the surface.On the other hand, if a water-soluble resin is not partially or used to express the properties of the health material, It can be used, but there are many problems, such as having a defect for wall plastering.

The present invention is created to solve the above conventional problems,

Its purpose is to combine the functional acrylic (BAM, MMA, MAA, GMA) materials and the appropriate combination of reactive natural inorganic materials to satisfy the performance as a healthy material while satisfying its performance for wall plastering finishing materials. It is to provide a composition for finishing the interior wall and a method of manufacturing the same.

The present invention is a healthy inner wall finishing composition, characterized in that the acrylic polymer, the inorganic filler and water 1: 1: 7 ~ 0.75 ~ 2.5 was formed by combining water,

DI Water (388 ~ 465), Anion Surfactant (0.77 ~ 0.93), Non-ion Surfactant (0.77 ~ 0.93), Dispersant (0.77 ~ 0.93), Initiator / H ₂ O Heating to ˜85 ° C.,

Add DI Water (177 ~ 212), Anion Surfactant (6.5 ~ 7.8), Nonion Surfactant (14 ~ 16.7) to the Pre-Emulsion Tank and stir while stirring Butyl Acrylate Monomer (326 ~ 391), Methyl Methacrylate Monomer (281 ~ 336), Gradually add MAA (8.5 ~ 10.2), GMA (2.9 ~ 3.5) to make Pre-Emulsion,

Dissolving Initiator (4.0 ~ 4.9) in DI Water (8.5) and adding it to the reactor, and gradually adding pre-emulsion made to the reactor to start the polymerization reaction,

Aging reaction for 1 hour after the end of the input,

A first step of forming an acrylic polymer, characterized in that the step of controlling the pH with ammonia water by cooling to room temperature after the aging reaction is completed;

Inorganic filler, characterized in that 50% of Portland cement, 20 to 25% of elvanite + mica, 10 to 15% of diatomaceous earth, 5 to 8% of calcium carbonate, 5 to 7% of talc, and then calcined at 600 to 800 ° C A second step of forming a compound;

The object of the present invention is to provide a method for preparing a composition for finishing a healthy inner wall, wherein the acrylic polymer is composed of a third step of water-bonding an inorganic filler and water in a ratio of 1: 3 to 7: 0.75 to 2.5. Can be achieved.

1 is a polymerized IR spectrum of the acrylic copolymer of the present invention,

2 is a mechanism diagram of the present invention;

3 is a test result of the adhesion strength of the embodiment of the present invention,

Figure 4 is a result of the resistance test by the repeated cooling action of the embodiment of the present invention,

5 is a moisture permeability test results of the embodiment of the present invention,

6 is a heavy metal (Ni, Pb, Ni) reduction test results of the embodiment of the present invention,

Figure 7 is a heavy metal (Cr, Zn, Pb) reduction test results of the embodiment of the present invention,

8 is an organic solvent experiment result of the embodiment of the present invention,

9 is a odor test results of the embodiment of the present invention,

10 is a spray construction photograph of the embodiment of the present invention.

When described in detail with reference to the accompanying drawings, the configuration and the operation of the embodiment of the present invention to achieve the object as described above and to perform the task for eliminating the conventional drawbacks.

1) Synthesis of Acrylic Copolymer

Figure 1 shows the polymerized IR spectrum of the acrylic copolymer of the present invention,

Reactor with DI Water (388 ~ 465g), Anion Surfactant (0.77 ~ 0.93g), Non-ion Surfactant (0.77 ~ 0.93g), Dispersant (0.77 ~ 0.93g), Initiator / H2O (2.56g / 8.55g) Heating the temperature to 80-85 ° C. while making and stirring the main tank;

Add DI Water (177 ~ 212g), Anion Surfactant (6.5 ~ 7.8g), Nonion Surfactant (14 ~ 16.7g) to Pre-Emulsion Tank and stirring Butyl Acrylate Monomer (326 ~ 391g), Methyl Methacrylate Monomer (281 ~ 336g ), MAA (8.5 ~ 10.2g), GMA (2.9 ~ 3.5g) is gradually added to make a Pre-Emulsion,

Dissolving Initiator (4.0 ~ 4.9g) in DI Water (8.5g) and adding it to the reactor, and gradually adding pre-emulsion made to the reactor to start the polymerization reaction,

At this time, while maintaining the reaction temperature 80 ~ 85 ℃ for 6 ~ 7 hours to uniformly add a polymerization reaction,

Aging reaction for 1 hour after the end of the input,

After the aging reaction is cooled to room temperature it consists of a step of adjusting the pH with ammonia water.

[Table 4] Acryl copolymerization ratio

(Unit: g)

No. Raw materials combination One DI Water 388-465 2 Anion Surfactant 0.77-0.93 3 Non-ion surfactant 0.77-0.93 4 Dispersant 0.77-0.93 5 Initiator / H ₂ O 2.56 / 8.55 6 DI Water 176.7 ~ 211.7 7 Anion Surfactant 6.5 ~ 7.8 8 Nonoin surfactant 14-16.7 9 Butyl Acrylate Monomer 326-391 10 Methyl Methacrylate Monomer 281-336 11 MAA 8.5-10.2 12 GMA 2.9 to 3.5 13 DI Water 0.77-0.93 14 Initiator 4.0 ~ 4.9 15 NH ₃ / H ₂ O 5 / 8.55 16 Additives1 0.77-0.93 17 Additive2 25.6 / 51 Polymerized Acrylic Properties standard Solid (%) 49 ± 1 Vis (cps) 100-300 pH 9 ± 0.5 importance 1.04

2) Reactive Inorganic Filler Composition

In the present invention, the inorganic filler was used as a reactive inorganic filler after firing in order to improve physical properties of products other than the existing simple functions and to perform performance as a healthy material, and to be fired in the range of 300 ° C. in order to reduce production costs. As a result of the experiment, the abrasion finish was inferior and it was not evenly distributed, so there was spots on the surface, and it was baked at 600 ~ 800 ℃.

① Common Portland Cement (OPC)

Commercially available commercial Portland cement was used, and the chemical composition is shown in Table 2.

[Table 2] Chemical Composition of Ordinary Portland Cement (OPC)

OPC ingredient SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO MgO Na ₂ O + K ₂ O TiO P ₂ O ₅ content(%) 17-25 3 ~ 8 0.5 to 0.6 60-67 0.1-5.5 0.5-1.3 0.1-0.4 0.1-0.2

② Elvanite and Cirrus

As shown in Table 3, which shows the major constituents of elvanite and biotite, the main constituents are silicic anhydride (SiO2) and aluminum oxide (Al2O3), each consisting of 30,000 to 150,000 multi-layered porous materials per cm 3, and having a large specific surface area. Adsorbs and decomposes heavy metals, and decomposes them. Also, it shows strong effects of neutralizing cement, antibacterial, insect repellent and strong deodorizing ability. Also, it controls acid or strong alkaline water with weak alkali (pH7.2 ~ 7.4). On the other hand, it was fired at 600 ° C. to 800 ° C. and used as a reactive filler to mix 20 to 25%.

[Table 3] Mineral analysis table of elvan and biotite

Elvan ingredient SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO MgO Na ₂ O K ₂ O TiO P ₂ O ₅ content(%) 73.06 12.15 0.51 0.35 3.13 0.57 4.17 0.12 0.21

Cicada ingredient SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO MgO K ₂ O content(%) 48.29 36.54 1.37 0.84 1.41 7.6

In addition, since the particle size distribution of ordinary portland cement using 50% of the total weight of the inorganic filler is 12-48 μm, the particle size distribution of other inorganic fillers is pulverized to 10-40 μm. When the inorganic filler is fired and pulverized to use the hydraulic composition as the particle size, the particle size distribution of the inorganic filler used in the present invention is closely related to the curing rate, that is, the construction property. It has a distribution similar to that of cement.

③ diatomaceous earth

Diatomaceous earth was used in 10 ~ 15% of the inorganic powder composition ratio, and diatomaceous earth was porous, so it was used as an auxiliary material to exhibit its characteristics such as adsorption, moisture permeation, and deodorization.

④ calcium carbonate

Calcium carbonate was used in an inorganic powder composition ratio of 5 to 8%, which evenly distributed the color of the finishing material, and was used for the purpose of lowering the unit cost within a range not detrimental to the properties of the cured product.

⑤ Talc

Talc was used for 5-7% of inorganic powder composition ratio, and it was used for coloring characteristics like calcium carbonate. Also, talc was used to improve the flexural modulus, improvement of dry shrinkage, low thermal expansion coefficient, and surface hardness enhancement. Koza was used.

As described above, the inorganic filler composition ratio was set to 50% of ordinary Portland cement, 20 to 25% of elvanite + mica, 10 to 15% of diatomaceous earth, and 10 to 15% of calcium carbonate + talc. In the formulation of the examples, the mixture was previously mixed with the portland cement, and is referred to as "cement" below.

In the present invention, the final product finish has a performance by curing by the production of the hydration product (CSH) and adhesion between the hydration product by the polymer, the chemical component that plays an important role of the hydration product is CaO (C) SiO2 , It reacts with Al2O3, H2O and the like to exhibit hardening characteristics. On the other hand, some of the quicklime reacts with water to remain as hydrated water and reacts with carbon dioxide gas 10 times higher than indoor moisture and outdoor, and elutes to the finish surface, causing deterioration of whitening.

In general Portland cement, the molar ratio of CaO / SiO2 is about 2 ~ 3, which provides the cause of whitening in concrete structures. In order to suppress this, the addition of SiO2 component causes the pozzolanic reaction in the long term to prevent whitening as well as physical properties. The ratio of CaO / SiO2 was lowered to about 1.3, and the ratio of ordinary Portland cement to healthy filler was 50:50.

3) mechanism of the present invention

The mechanism of the present invention can be divided into first, the hydration reaction between water and dry cement particles, and secondly, the reaction between acrylic and cement (usually Portland cement + reactive health material) surface.

(i) Hydration Reaction (Water-Cement Particles): Slowly slowing down without disturbing the hydration reaction between cement and water, increasing pot life, and covering the surface of fully hydrated CSH particles with Acryl membrane.

(ii) stabilization by chemical bonding of acrylic and ungelled Ca (OH) 2

① surrounds the entire mineral particle

② Chemical reaction with inorganic particles

* It is charged with cation during conjugation, and the reaction with water is formed rapidly to slow down the rate of hydrate granules (CSH gel) (provides potency and construction).

③ Stability with inorganic particles surrounded by acrylic

* When the distance between particles covered with hydrate and acryl is less than 3nm, Vander Waals force does not work and crystallizes into stabilized particles.

④ Cement Acryl Paste sufficiently adheres to substrate with sufficient pot life.

⑤ Since the interior material is applied to the wall as shown in Fig. 2 the present invention mechanism, Thixotropic (Shear Thinning) properties as a combination design to improve the shear rate as the Viscosity decreases

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

<Example 1>

Four formulations were set to determine the construction properties according to the mixing ratio of the health-based interior materials. The results were evaluated by evaluating workability, pot life, cracking, dissolution, adhesive strength, unit volume weight, wall workability, and the like. As shown in Table 6, the evaluation results showed that the physical properties of the four formulations were the best among the four formulations, and the first formulation was found to be normal. As a result of the above embodiment it can be seen that the construction properties and properties of the healthy inner wall finishing composition formed by combining the acrylic polymer, the inorganic filler and water 1: 1: 3 ~ 7: 0.75 ~ 2.5.

[Table 5] Evaluation of physical properties by compounding ratio

Type Item No.1 (1: 0.2: 0.2) * No.2 (1: 0.15: 0.2) No.3 (1: 0.2: 0.15) No.4 (1: 0.2: 0.25) Workability usually Bad Bad Good Pot life (about 10-12 ℃) About 25-30 minutes - - 60 to 120 minutes Exterior crack none Occur Occur none Elution Occur Occur Occur none 4 days adhesive strength (kgf / ㎠) 19 16 20 20 Unit volume weight (g / cm 3) About 2.0 - - About 2.0 Wall construction (flowing) none - - Almost none Comprehensive Evaluation usually Bad Bad Good

* The ratio refers to the mixing ratio of {cement (inorganic powder): Acryl: H ₂ O}

[Table 6] Evaluation of workability by compounding ratio

No. cement Acryl water Constructability Evaluation Remarks Workability Thixotropic Performance One 500 (1) 100 (0.2) 100 (0.2) usually usually · Slightly suitable for applying with a brush 2 500 (1) 75 (0.15) 100 (0.2) Bad Bad · Dough · Difficult to construct with brush 3 500 (1) 100 (0.2) 75 (0.15) Bad Bad High viscosity, difficult to install with brush 4 500 (1) 100 (0.2) 125 (0.25) good good Suitable for installation with a brush or spray.It must be applied several times to secure the thickness.

<Example 2>

KS test standards (KS F 4919 cement mixed polymer waterproofing agent, KS F 4925 cement liquid waterproofing agent, KS F 4716 cement based waterproofing material, KS F 2451 construction cement waterproofing material) were conducted for various evaluations such as adhesion strength of the present invention. In relation to the evaluation of health performance, pH measurement, heavy metal (Ni, Pb) reduction effect, organic solvents (methanol, chloroform, toluene) and deodorizing effects on ammonia, a representative malodorous substance, were evaluated. In addition, to evaluate the applicability of the field, spray workability was investigated before drying according to KS M 5000 ~ 2412, and after drying, dusting, spots, stains, bubbling, wrinkles, and streaking were observed. , Pinholes, catering, orange peel, whitening, flow, and sealing were examined.

① Attachment strength

As shown in the results of the adhesion strength test of the embodiment of the present invention, seven out of 32 different compounding ratios exhibited strengths of 0.99 to 1.5 N / mm 2 (10.12 to 15.3 kgf / cm 2) within 15 days of age, and thus up to 21 days of strength. In consideration of the improvement rate, it was evaluated that the 21-day curing standard prescribed by the polymer for cement admixture (KS F 4916) satisfies 10.2kgf / cm 2 (1N / mm 2).

② Resistance test by repeated cooling action

4 is a resistance test result by the on-repetitive action of the embodiment of the present invention,

Seven of the 32 different blending ratios met all of the criteria of 1.21-1.72 N / mm2 (12.4-17.6 kgf / cm2) KS F 4716 cement-based base material 1.1 N / mm2.

③ Branch resistance

Seven of the 32 different blending ratios were free of cracking. Therefore, the standard of KS F 4919 Cement-based polymer waterproofing waterproofing layer should be free from cracking and KS F 4716 cement-based base material will not be cracked.

④ Impact resistance

Seven of the 32 different formulations had no cracking or peeling. Therefore, KS F 4716 cement-based base material "no cracking or peeling" was satisfied.

⑤ breathable test

As shown in the moisture permeability test results of the embodiment of the present invention, it took a long time for the sample 3 to permeate in the moisture permeability test for each compounding ratio. In other words, it is possible to adjust the moisture permeability according to the use conditions by changing the mixing ratio.

⑥ Permeability

Permeability control by application range was evaluated to prevent the lifting phenomenon by uniformizing partial pressure of coated inner and outer walls by partial waterproofing rather than full waterproofing.

[Table 7] Permeability test results

Sample No. Experiment result One No pitcher 2 50% pitched 3 40% pitched 4 No pitcher 5 98% pitched 6 20% pitched 7 95% pitched

⑦ Condensation test

The seven samples tested ranged from 10 hours to 6 hours 30 minutes. The pot life time for judging the applicability of the field was more than 2 hours, and the experimental results were satisfactory.

[Table 8] Condensation test results

Sample No. Experiment result One Beginning: 7 hours 40 minutes, End: 14 hours 30 minutes 2 Beginning: 7 hours 30 minutes, Closing: 14 hours 3 Beginning: 9 hours 10 minutes, Closing: 15 hours 4 Beginning: 7 hours, Closing: 14 hours 20 minutes 5 Beginning: 9 hours, Closing: 19 hours 6 Beginning: 9 hours, Closing: 17 hours 30 minutes 7 Beginning: 9 hours 30 minutes, Closing: 18 hours

⑧ Absorption test

KS F 4916 and KS F 4919 specify 20g and 2.0g, respectively. In this experiment, the results of 1.6 ~ 7.9g were all satisfied with KS F 4916 but partially satisfied with KS F 1919. That is, it can be seen that the KS test criteria according to the use conditions can be satisfied by adjusting the mixing ratio.

[Table 9] Absorption Test

Sample No. Experiment result 1 time Episode 2 One 2.2 g 1.6 g 2 2.2 g 2.7 g 3 1.8g 3.0 g 4 4.0g 7.9 g 5 2.3g 2.4g 6 2.5g 2.2 g 7 3.0 g 2.6 g

⑨ Stability Test

The stability test showed that seven samples were free of expandable cracks or torsion in both one and two experiments.

감소 reduction of heavy metals (Ni, Pb)

As shown in the heavy metal reduction test results of the inventive examples of FIGS. 6 and 7, Ni (1) was reduced by 71% after 48 hours and Pb was decreased by 100% in the presented sample. In the comparative radioactive jade, Ni (2) decreased by 85%. The results of the experiment in aqueous solution or the reduction of heavy metals were evaluated as having the ability to remove cations and cations in the atmosphere.

⑪ Deodorizing effect

8 and 9 as shown in the experiment results of the organic solvent and malodorous substance of the present invention, the deodorization (adsorption) of the gas to the organic solvent was found to proceed very large. In particular, it was confirmed that there is an adsorption capacity for both the polar compound (methanol), non-polar compound (chloroform) compound, and as a representative odorous substance was tested for ammonia was confirmed that the deodorizing effect.

⑫ pH data

10 is a pH change of the embodiment of the present invention was tested to determine the health of the material by changing the composition of the non-cement-based mixture in the inorganic filler (sample 1 and sample 2). That is, it is to check whether the pH is maintained at weak alkali (pH 8) and the weak alkali (pH = 8.17) was maintained over time. Therefore, it was evaluated that the wall finishing material can create a better indoor environment by maintaining indoor moisture as weak alkali when absorbing and releasing water.

Field applicability

As shown in the spray painting of the embodiment of the present invention, the present invention can be mechanized by spraying, and it was evaluated as good as a result of visual observation of discoloration, cloudiness, residual cracking, etc. after the finish of plastering.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

The present invention is a water-bonded reaction complex that has a healthy natural material using an acrylic polymer and an inorganic filler as a complementary physical property while complementing the physical properties, and can be used for a healthy inner wall plastering material, and has other health functions. By incorporating natural materials, it is a very useful invention such as to fully exhibit the original health function.

Claims (6)

The composition for the healthy inner wall finishing, characterized in that the acrylic polymer, the inorganic filler and water 1: 1: 3 ~ 7: 0.75 ~ 2.5 by water bonding. The method of claim 1, The inorganic filler is composed of 50% of Portland cement, 20-25% of elvan + mica, 10-15% of diatomaceous earth, 5-8% of calcium carbonate, and 5-7% of talc, and then calcined at 600 ° C to 800 ° C. Healthy interior wall finishing composition. The method of claim 2, A composition for finishing a healthy inner wall, wherein the ratio of CaO: SiO ₂ contained in the inorganic filler is mixed at 1.3: 1. The method of claim 2, The particle size distribution of the inorganic filler is a healthy interior wall finishing composition, characterized in that pulverized to 10 ~ 40㎛. With DI Water (388-465g), Anion Surfactant (0.77 ~ 0.93g), Non-ion Surfactant (0.77 ~ 0.93g), Dispersant (0.77 ~ 0.93g), Initiator / H ₂ O (2.56g / 8.55g) Making a reactor (Main Tank) and raising the temperature to 80-85 ° C. while stirring, Add DI Water (177 ~ 212g), Anion Surfactant (6.5 ~ 7.8g), Nonion Surfactant (14 ~ 16.7g) to Pre-Emulsion Tank and stir while stirring Butyl Acrylate Monomer (326 ~ 391g), Methyl Methacrylate Monomer (281 ~ 336g ), Methacrylic Acid (8.5 ~ 10.2g), Glycidyl methacrylate (2.9 ~ 3.5g) is added slowly to make a Pre-Emulsion, Dissolving Initiator (4.0 ~ 4.9g) in DI Water (8.5g) and adding it to the reactor, and gradually adding pre-emulsion made to the reactor to start the polymerization reaction, Aging reaction for 1 hour after the end of the input, A first step of forming an acrylic polymer, characterized in that the step of controlling the pH with ammonia water by cooling to room temperature after the aging reaction is completed; Inorganic filler, characterized in that 50% of Portland cement, 20 to 25% of elvanite + mica, 10 to 15% of diatomaceous earth, 5 to 8% of calcium carbonate, 5 to 7% of talc, and then calcined at 600 to 800 ° C. A second step of forming a compound; Method for producing a healthy interior wall finishing composition, characterized in that the acrylic polymer and the inorganic filler and a third step of water-bonding in a ratio of 1: 3-7: 0.75 ~ 2.5. The method of claim 5, wherein The polymerization reaction is a method for producing a healthy inner wall finishing composition, which is carried out by maintaining the reaction temperature at 80 ~ 85 ℃, uniformly added Pre-Emulsion for 6-7 hours.