WO2020242169A1 - 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법 - Google Patents
마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법 Download PDFInfo
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- WO2020242169A1 WO2020242169A1 PCT/KR2020/006774 KR2020006774W WO2020242169A1 WO 2020242169 A1 WO2020242169 A1 WO 2020242169A1 KR 2020006774 W KR2020006774 W KR 2020006774W WO 2020242169 A1 WO2020242169 A1 WO 2020242169A1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/241—Paper, e.g. waste paper; Paper pulp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
- C04B14/106—Kaolin
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/14—Minerals of vulcanic origin
- C04B14/18—Perlite
- C04B14/185—Perlite expanded
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/08—Macromolecular compounds porous, e.g. expanded polystyrene beads or microballoons
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0016—Granular materials, e.g. microballoons
- C04B20/002—Hollow or porous granular materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
- C04B20/008—Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0032—Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/304—Air-entrainers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/44—Thickening, gelling or viscosity increasing agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Definitions
- the present invention relates to a finishing material composition, a manufacturing method thereof, and a construction method using the same, and more particularly, as a finishing material for interior and exterior, it is lightweight, has excellent insulation and non-combustibility, and does not dissolve harmful substances, and compressive strength, adhesion strength, and It has excellent impact resistance, and it relates to a finishing material composition that can be easily sprayed or wall-painted by mixing only water at a work site, a manufacturing method thereof, and a construction method using the same.
- interior and exterior finishing materials used as architectural finishing materials maintain the wall finish for a long time, and perform environmentally friendly functions such as antibacterial and anti-fungal, deodorization, air purification, negative ions and far-infrared radiation, as well as gloss and Through various effects of texture, a finishing material with visually excellent aesthetic functions, insulation, non-combustibility, and lightweight construction is required.
- cement and silica sand premixed type remital is mainly used, but due to its high specific gravity, there are many difficulties in construction, insufficient insulation, and emission of harmful components.
- styrofoam expanded polystyrene
- styrofoam expanded polystyrene
- the styrofoam is light in weight but large in volume, it is inconvenient to handle and move, and its durability is very weak, so it is not only easily damaged due to careless handling during construction, but also has a very strong flammability and ignition property, which is a fatal disadvantage that it is placed in a defenseless state against fire. have.
- Patent Document 1 Korean Patent Publication No. 2011-0004690
- the present invention is lightweight, has excellent thermal insulation and non-combustibility, does not elute harmful substances, has excellent compressive strength, adhesion strength, and impact resistance, and is easily sprayed by mixing only water at the work site or It is intended to provide a finishing material composition that can be applied to a wall, a method of manufacturing the same, and a method of construction using the same.
- the present invention is 0.5 to 10% by weight of pulp, 1 to 10% by weight of styrofoam crushed powder, 60 to 84% by weight of cement, 3 to 12% by weight of calcium aluminate, 1 to 10% by weight of hollow filler %, 0.5 to 5% by weight of expanded perlite, 5 to 10% by weight of a natural thickener, and 0.1 to 3% by weight of an air entraining agent, and a finishing material composition and a method for producing the same.
- the present invention provides a construction method using the finishing material composition.
- the present invention As described above, according to the present invention, according to the present invention, it is not only excellent in thermal insulation and non-combustibility, but also environmentally friendly because no harmful substances are eluted, and it is excellent in strength such as compressive strength, adhesion strength and impact resistance, and has convenient workability due to weight reduction. There is an effect of providing a finishing material composition that can be easily sprayed or wall-painted by mixing only water at the site, a manufacturing method thereof, and a construction method using the same.
- the finishing material composition of the present invention is 0.5 to 10% by weight of pulp, 1 to 10% by weight of styrofoam crushed powder, 60 to 84% by weight of cement, 3 to 12% by weight of calcium aluminate, 1 to 10% by weight of hollow filler, 0.5% by weight of expanded perlite To 5% by weight, 5 to 10% by weight of a natural thickener, and 0.1 to 3% by weight of an air entraining agent, and in this case, it is lightweight and excellent in thermal insulation and non-combustibility, and no harmful substances are eluted and compressive strength , It has excellent adhesion strength and impact resistance, and has the effect of being able to easily spray or paint walls by mixing only water at the work site.
- the non-combustibility corresponds to a non-combustible material or a flame-retardant class 1 material according to the building law.
- each component constituting the finishing material composition of the present invention is as follows.
- the pulp may be, for example, 0.5 to 10% by weight, preferably 1 to 7 parts by weight, more preferably 1.5 to 5 parts by weight, based on the total 100% by weight of the finishing material composition, and within this range, strength is improved and cracks are It is prevented and has the effect of facilitating wall application work.
- the pulp may have a size of 1 to 5 mm, preferably 1.5 to 4 mm, as an example, and within this range, strength is improved, cracks are prevented, wall application work is easy, and it is uniform with styrofoam crushed powder and cement, etc. Excellent mixing effect.
- the pulp may be, for example, recycled pulp obtained from waste paper, and in this case, there is an effect of preventing environmental pollution and reducing production costs by recycling resources.
- the recycled pulp may include, for example, impregnating waste paper in an aqueous solution having a sodium hydroxide concentration of 15 to 50% by weight, preferably 20 to 40% by weight to remove foreign substances and inflate; Cutting the inflated waste paper from which the foreign matter is removed in a high-speed agitator with a blade rotating at a speed of 400 to 600 rpm, preferably 450 to 550 rpm; Washing the cut waste paper with water; Dehydrating the washed waste paper in a dehydrator; Drying the dehydrated waste paper in a dryer; And pulverizing the dried waste paper into 1 to 5 mm, preferably 1.5 to 4 mm with a crusher, and in this case, while maintaining physical properties, production cost is reduced and the discarded waste is recycled. Excellent effect of preventing environmental pollution.
- the styrofoam crushed powder may be, for example, 1 to 10% by weight, preferably 2 to 8% by weight, more preferably 3 to 7% by weight, based on the total 100% by weight of the finishing material composition, and within this range, thermal insulation and strength Has an excellent effect.
- the styrofoam crushed powder is, for example, expanded polystyrene (EPS) crushed with a pulverizer, and specifically, the size of the styrofoam is 0.5 to 5 mm or less, preferably 1 to 5 mm. It may be crushed to be 3 mm, preferably 0.5 to 2 mm, and within this range, mixing is easy and uniformly mixed, so that the heat insulation performance is excellent.
- EPS expanded polystyrene
- the styrofoam crushed powder of the present disclosure refers to particles or powders formed when expanded polystyrene is crushed, and is not limited to crushing, and may include expanded polystyrene particles or powders in a form equivalent or similar to that of crushed.
- expanded polystyrene for example, recycled expanded polystyrene may be used, and in this case, the production cost is reduced while maintaining the physical properties, so that the economic effect is excellent, as well as the effect of recycling discarded waste to prevent environmental pollution. .
- the styrofoam may be an expanded styrene polymer, for example, and the expanded styrene polymer may be, for example, a styrene homopolymer, polystyrene, poly(alkylstyrene), poly(halogenated styrene), poly(halogenated alkylstyrene), poly(alkoxystyrene). ), poly(vinyl benzoate), and at least one selected from the group consisting of hydrogenated polymers thereof, and in this case, there is an effect of excellent heat insulation and surface strength.
- the cement may be, for example, 60 to 84% by weight, preferably 65 to 80% by weight, more preferably 70 to 75% by weight based on the total 100% by weight of the finishing material composition, and has excellent fast-setting reaction within this range Therefore, the initial adhesive strength is excellent and there is an effect of securing the pot life.
- the cement is, for example, Portland cement, or white Portland cement, with a specific surface area of 3000 to 4000 cm 2 /g, preferably 3200 to 3700 cm 2 /g;
- the compressive strength (28 days) is 40 to 50 Mpa, preferably 43 to 47 Mpa; And a whiteness of 85% or more, preferably 90% or more, and within this range, there is an excellent effect of a fast setting reaction and a balance of physical properties.
- the specific surface area can be measured by adsorption (ISO 9277:1995) using a BET isotherm.
- the compressive strength can be measured according to the KSL ISO 610 standard.
- the whiteness can be measured according to the KS L 5204 standard.
- the calcium aluminate may be, for example, 3 to 12% by weight, preferably 5 to 10% by weight, more preferably 6 to 9% by weight, based on the total 100% by weight of the finishing material composition, and within this range, fast-setting bonding This is excellent, and there is an effect that the working time is secured and the work is possible within the desired time.
- the calcium aluminate is prepared by firing at a high temperature of about 1600°C using high-purity calcined alumina and limestone as raw materials, and pulverizing in a ball mill to a predetermined powderiness (Blaine).
- Al 2 O 3 ) content is 65 to 75% by weight and can be used even at high temperatures of 1700°C.
- the main chemical components are made of alumina and calcium oxide, and in the mineral phase, calcium mono-aluminate, the main mineral -Aluminate; CaO ⁇ Al 2 O 3 , CA) and secondary mineral calcium di-aluminate (Calcium di-Aluminate; CaO ⁇ 2Al 2 O 3 , CA 2 ).
- the calcium aluminate may have, for example, a powderiness of 4,000 to 6,000 cm 2 /g, preferably 4,700 to 5,000 cm 2 /g, and has excellent fast-hardening properties within this range.
- the powderiness can be measured by the Blaine (specific surface area by an air permeable device) method (KS L 5106).
- the hollow filler may be, for example, 1 to 10% by weight, preferably 3 to 8% by weight, more preferably 4 to 7% by weight, based on the total 100% by weight of the finishing material composition, and within this range, thermal insulation and weight reduction The effect is excellent.
- the hollow filler is not particularly limited if it is a hollow filler commonly used in the technical field to which the present invention belongs, but as an example, it is a hollow hollow capsule, and can exhibit heat insulation effect and weight reduction by an air layer in the capsule, and is usually
- the hollow can be formed by a known method.
- the hollow filler may have a particle size of 10 to 150 ⁇ m, preferably 50 to 100 ⁇ m, for example, and has excellent thermal insulation properties within this range, and is uniformly mixed with cement, styrofoam crushed powder and pulp, and wall coating workability This has an excellent effect.
- the particle size can be measured with a mesh.
- the hollow filler may be, for example, a spherical filler, and in this case, due to the hollow structure, heat insulation and light weight are excellent.
- the concept includes the meaning of a concept commonly used in the technical field to which the present invention belongs, and, for example, means a round shape like a ball.
- the spherical filler may preferably be a perlite filler, and more preferably a perlite spherical filler, and in this case, it is excellent in heat insulation and can achieve weight reduction without releasing harmful components, so that the construction is convenient, mixing and stirring There is an effect that the hollow filler does not break during the step.
- the spherical perlite filler may be manufactured by firing perlite in a top-town method. Specifically, perlite raw stones are pulverized to a size of 5 to 15 ⁇ m, and the pulverized powder is collected with a hopper and supplied to a quantitative feeder, and the diameter is 2 m. It is dropped into a kiln with a height of 10m, and a portion of 7 to 10m in height from the bottom of the kiln is expanded by direct heat at a temperature of 700 to 800°C, and a portion of 3 to 7m in height from the bottom has a temperature of 1100 to 1300°C, preferably 1150 to 1250°C.
- It may be manufactured in a spherical shape by melting only the surface by direct heat, and in this case, it has excellent heat insulation properties and can achieve weight reduction without releasing harmful components, making it convenient to construct, and the effect of not breaking the hollow filler in the step of mixing and stirring. There is.
- the Pearlite gemstone is also called Peral Stone, and is a natural material containing 2-5% by weight of crystal water, and viscous volcanic lava or magma flows into the surface lake and is produced by rapid cooling. It usually has a purple gloss.
- Minerals called perlite include obsidian, perlite, and pine rock, and the chemical composition is similar to granite except for the loss of heating.
- the perlite filler is white or grayish white as an example, and the specific gravity may be 0.15 or more, preferably 0.15 to 0.25, for example, and within this range, it has excellent thermal insulation properties and can achieve weight reduction, so that the wall application is easy.
- the perlite filler is a non-combustible inorganic material, for example, and does not have any risk of generating toxic gases in the event of a fire, and is chemically neutral with a pH of 6 to 8 or 6.5 to 7.5 and is harmless to the human body.
- the expanded perlite may be 0.5 to 5% by weight, 1 to 4.5% by weight, or 1.5 to 4% by weight based on the total 100% by weight of the finishing material composition. It is easy and has the effect of reducing production cost.
- the expanded perlite refers to, for example, a finely crushed perlite ore and expanded by 20 to 30 times the original volume at a high temperature of 760 to 900°C.
- the expanded perlite may have, for example, a particle size of 0.3 to 1.7 mm, preferably 0.5 to 1.5 mm, more preferably 0.7 to 1.3 mm, and has excellent thermal insulation properties within this range and weight reduction without releasing harmful components. As it can be achieved, there is a convenient effect of wall coating.
- the particle size can be measured with a mesh.
- the expanded perlite may be in the form of an open cell, and in this case, the production cost can be reduced and light weight can be achieved, thereby facilitating wall application.
- the expanded perlite is white or grayish white as an example, and the specific gravity may be, for example, 0.14 or less, preferably 0.1 or less, more preferably 0.06 to 0.08, and it is possible to achieve weight reduction within this range, thereby facilitating wall application. There is.
- the expanded perlite is, for example, a non-combustible inorganic material that does not have any risk of generating toxic gases in the event of a fire, has been approved for food additives, and is chemically neutral with a pH of 6-8 or 6.5-7.5.
- the natural thickener may be, for example, 5 to 10% by weight, preferably 6 to 9% by weight, based on the total 100% by weight of the finishing composition, and within this range, the viscosity and flowability are improved to have excellent workability. .
- the natural thickener is a thickener obtained from nature and is not particularly limited if it is a natural thickener commonly used in the technical field to which the present invention belongs, but it may be preferably kaolin, and in this case, viscosity, flowability and antibacterial properties This has an excellent effect.
- the kaolin is also called goreung soil or white clay, and its main components are kaolinite (Al 2 O 3 ⁇ 2SiO 2 ⁇ 2H 2 O) and haloysite (Al 2 O 3 ⁇ SiO 2 ⁇ 4H 2 O ), feldspars such as feldspar, feldspar, soda feldspar, and ileum are produced by weathering chemically decomposed by carbon dioxide or water.
- the kaolin has excellent antibacterial and anti-fungal properties, a high deodorization rate of ammonia water, excellent thermal conductivity, far-infrared radiation rate and strength, and excellent gloss.
- the kaolin for example, is a plate-shaped kaolin, and particles having a size of 2 ⁇ m or less, preferably 0.1 to 2 ⁇ m, may occupy 80% by weight or more of the total weight of the kaolin, and in this case, excellent deodorization rate, antibacterial properties and anti-fungal properties It works.
- the air entraining agent may be 0.1 to 3% by weight, preferably 0.3 to 2% by weight, based on the total 100% by weight of the finish composition, and within this range, workability by uniformly distributing countless fine bubbles in the finish composition It plays a role in improving workability and resistance to freezing and thawing, and after hardening (curing), it has the effect of acting as a heat shielding property against flames and flame retarding properties in case of fire.
- the air-entraining agent is an anionic air-entraining agent having a charge of a group anion that dissociates in water to exhibit surface activity, for example, resin soap, lactic acid ester, and sulfide-based air-entraining agent; Cationic air entraining agents in which the active groups in the aqueous solution are charged as cations; Amphoteric air entraining agents that act as anionic surfactants for alkali, but cationic surfactants for acid; A hydroxyl air entraining agent that does not dissociate into ions in an aqueous solution; Ether-based air entraining agents having ethylene oxide or the like as a hydrophilic group; And it may be one or more selected from the group consisting of an ester-based nonionic air entraining agent; in this case, there is an effect of improving workability and resistance to freezing and thawing.
- the air entraining agent is sodium lauryl sulfate, sodium alkyl sulfate, resin soap, Vinsol Resin, Darex, Protex, Pozzolth and lauryl ethylene sodium sulfate. It may be one or more selected from the group consisting of, in this case, there is an effect of improving workability and resistance to freezing and thawing.
- the finishing material composition may further include a curing accelerator, for example, 0.05 to 5% by weight, preferably 0.1 to 2% by weight, based on the total 100% by weight of the finish composition, and within this range, the chemical bonding time with cement is smooth. Therefore, the effect of securing sufficient pot life is excellent.
- a curing accelerator for example, 0.05 to 5% by weight, preferably 0.1 to 2% by weight, based on the total 100% by weight of the finish composition, and within this range, the chemical bonding time with cement is smooth. Therefore, the effect of securing sufficient pot life is excellent.
- the curing accelerator may be, for example, one or more selected from the group consisting of sodium sulfide, sodium carbonate, lithium carbonate, lithium lide rockside, and aluminum oxide, preferably lithium carbonate, and in this case, chemical bonding with cement Excellent effect to promote.
- the lithium carbonate may be, for example, a white monoclinic powder.
- the finishing material composition may further include, for example, 0.01 to 2% by weight, preferably 0.05 to 1% by weight, based on the total 100% by weight of the finishing material composition with a curing aid, and workability is secured within this range. It has an excellent effect.
- the curing aid may be, for example, one or more selected from the group consisting of calcium formate, sodium formate, potassium formate, and magnesium formate, and preferably calcium formate.
- the pot life is secured to ensure workability. It has an excellent effect.
- the calcium formate for example, has a very low freezing point, so it can be used as a cold-resistant accelerator because it performs a function of accelerating settling at a low temperature, and is mixed with cement to provide an effect of lowering the freezing point and to enhance strength.
- all calcium formate is a material that is soluble in water and plays a role of increasing early strength when applied to cement.
- the finishing material composition of the present invention may be of a premix type as an example, and in this case, it is easy to store and transport, and it can be easily constructed by mixing with water at a work site, thereby having excellent workability.
- the premix type means a mixture in which raw materials of powder are uniformly mixed.
- the compressive strength measured according to KS L 5220-2018 may be 7.0 N/cm 2 or more, preferably 7.0 to 12 N/cm 2 at 7 days of age, and at 28 days of age. It may be 12 N/cm 2 or more, preferably 12 to 17 N/cm 2 , and there is an excellent effect of having an excellent balance of properties within this range.
- finishing material composition of the present invention may have an adhesion strength measured according to KS F 4040-2004 as an example of 4 N/cm 2 or more, preferably 4 to 8 N/cm 2 from 7 days of age, and age 28 It may be 8 N/cm 2 or more and 8 to 13 N/cm 2 in one day, and there is an excellent effect of the physical property balance within this range.
- finishing material composition of the present invention may have a thermal conductivity of 0.2 W/m ⁇ K or less, preferably 0.01 to 0.2 W/m ⁇ K at 14 days of age, as measured according to KS F 4040-2004, for example. There is an effect of excellent physical property balance within the range.
- finishing material composition of the present invention may have an impact resistance measured according to KS K 4041-99, for example, without breakage and cracking at 28 days of age, and in this case, the property balance is excellent.
- the finishing material composition of the present invention for example, the specific gravity measured according to KS L 5110 is 1.5 kg/m 3 or less, preferably 0.1 to 1.5 kg/m 3 , more preferably 0.5 to 1 kg at 14 days of age. /m 3 may be, in this case, there is an effect of easy workability.
- finishing material composition of the present invention may be non-flammable at 14 days of age as measured according to KS F 2271 as an example, and in this case, there is an effect of excellent physical property balance.
- Age in the present invention refers to the number of days elapsed after applying the finishing material composition.
- the manufacturing method of the finishing material composition of the present invention is 0.5 to 10% by weight of pulp, 1 to 10% by weight of crushed styrofoam, 60 to 84% by weight of cement, 3 to 12% by weight of calcium aluminate based on the total 100% by weight of the finishing material composition.
- a hollow filler 1 to 10% by weight, 0.5 to 5% by weight of expanded perlite, 5 to 10% by weight of a natural thickener, and 0.1 to 3% by weight of an air entraining agent are mixed and stirred; In some cases, it is not only excellent in insulation and non-combustibility, but also environmentally friendly because no harmful substances are eluted, and it has excellent strength such as compressive strength, adhesion strength, and impact resistance, and it is convenient to construct due to weight reduction, and it is easily sprayed or walled by mixing only water at the work site. There is an effect that can be applied.
- the pulp may be, for example, recycled pulp obtained from waste paper, and in this case, the effect of not only preventing environmental pollution by recycling resources but also reducing production costs is great.
- the manufacturing method of the finishing material composition preferably includes the steps of impregnating waste paper in an aqueous solution having a sodium hydroxide concentration of 15 to 50% by weight, preferably 20 to 40% by weight to remove foreign substances and inflate; Cutting the inflated waste paper from which the foreign matter is removed in a high-speed agitator with a blade rotating at a speed of 400 to 600 rpm, preferably 450 to 550 rpm; Washing the cut waste paper with water; Dehydrating the washed waste paper in a dehydrator; Drying the dehydrated waste paper in a dryer; And pulverizing the dried waste paper into 1 to 5 mm, preferably 1.5 to 4 mm with a crusher; in this case, the strength is improved and cracking is prevented. It has the effect of easy workability.
- the manufacturing method of the finishing material composition is, for example, expanded polystyrene (EPS) in a pincrusher with a size of 5 mm or less, preferably 1 to 5 mm, and then primary crushing to a size of 0.5 to 3 mm, preferably It may include the step of crushing to be 0.5 to 2 mm to prepare styrofoam crushed powder, and in this case, mixing is easy and uniformly mixed, so that the insulation performance is excellent.
- EPS expanded polystyrene
- expanded polystyrene for example, recycled expanded polystyrene may be used, and in this case, the production cost is reduced while maintaining the physical properties, so that the economic effect is excellent, as well as the effect of recycling discarded waste to prevent environmental pollution. .
- the manufacturing method of the finish composition may further include, for example, a curing accelerator, 0.05 to 5% by weight, preferably 0.1 to 2% by weight, based on the total 100% by weight of the finish composition, and chemical bonding with cement within this range
- a curing accelerator for example, 0.05 to 5% by weight, preferably 0.1 to 2% by weight, based on the total 100% by weight of the finish composition, and chemical bonding with cement within this range
- the curing accelerator may be, for example, one or more selected from the group consisting of sodium sulfide, sodium carbonate, lithium carbonate, lithium lide rockside, and aluminum oxide, preferably lithium carbonate, and in this case, chemical bonding with cement Excellent effect to promote.
- the lithium carbonate may be, for example, a white monoclinic powder.
- the manufacturing method of the finish composition may further include 0.01 to 2% by weight, preferably 0.05 to 1% by weight, based on the total 100% by weight of the total 100% by weight of a curing aid as an example, and the pot life is secured within this range. There is an effect of excellent workability.
- the curing aid may be, for example, one or more selected from the group consisting of calcium formate, sodium formate, potassium formate, and magnesium formate, and preferably calcium formate.
- the pot life is secured to ensure workability. It has an excellent effect.
- the calcium formate for example, has a very low freezing point, so it can be used as a cold-resistant accelerator because it performs a function of accelerating settling at a low temperature, and is mixed with cement to provide an effect of lowering the freezing point and to enhance strength.
- all calcium formate is a material that is soluble in water and plays a role of increasing early strength when applied to cement.
- the mixing and stirring may be carried out in a ribbon mixer or a powder agitator, for example, and in this case, there is an effect of uniformly mixing.
- the construction method of the finishing material composition of the present invention is characterized by spraying or wall coating by mixing 50 to 70 parts by weight of water, preferably 55 to 65 parts by weight, based on 100 parts by weight of the finishing material composition as an example, in this case Not only has excellent insulation and non-flammability, it is eco-friendly because no harmful substances are eluted, and it has excellent strength such as compressive strength, adhesion strength, and impact resistance, and has convenient construction due to weight reduction, and it is easily sprayed or painted by mixing only water at the work site. There is an effect that can be constructed.
- the spraying or wall application may be performed with a coating thickness of 5 to 20 mm, preferably 10 to 20 mm, and within this range, heat insulation and non-flammability are excellent and workability is easy.
- the spraying or wall application may be performed once to three times, once to twice, or once, for example, and within this range, there is an excellent effect of heat insulation, non-flammability and light weight.
- spray coating refers to a method of spraying a paint or the like in the form of misty particles through compressed air as one of the coating methods.
- wall coating refers to a method of applying a paint to the inner and outer walls of a building with a plastering knife or trowel.
- the recycled expanded polystyrene was first crushed to a size of 1 to 5 mm with a pincrusher, and then crushed to a size of 0.5 to 2 mm with a crusher to prepare a styrofoam crushed powder.
- a sample was prepared by mixing 60 parts by weight of water with 100 parts by weight of the premixed finishing material composition prepared above and applying a wall to a gypsum board with a thickness of 20 mm once and drying for 28 days.
- Example 1 2% by weight of recycled pulp and 5% by weight of styrophone crushed powder, 69.85% by weight of white Portland cement, 8% by weight of calcium aluminate, 5% by weight of expanded perlite as a hollow filler, 2% by weight of expanded perlite, natural 7.5% by weight of kaolin as a thickener, 0.5% by weight of sodium lauryl ethylene sulfate, 0.1% by weight of lithium carbonate, and 0.05% by weight of calcium formate are stirred with a ribbon mixer to prepare a finishing material composition in a premix type. Then, it was carried out in the same manner as in Example 1.
- a sample was prepared by mixing 40 parts by weight of water with 100 parts by weight of a premix-type general plastering mortar composition (Hanil Cement Remital), and then applying the wall to a plaster board with a thickness of 20 mm once and drying for 28 days.
- a premix-type general plastering mortar composition (Hanil Cement Remital)
- Adhesion strength Measured according to KS F 4040-2004.
- Examples 1 and 2 obtained according to the present invention have excellent compressive strength, adhesion strength, and impact resistance as the aging increases compared to Comparative Example 1, and have low thermal conductivity and thus excellent thermal insulation and specific gravity. It was very low, and there was an effect that easy wall painting construction work.
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Abstract
Description
시험항목 | 재령 | 실시예 1 | 실시예 2 | 비교예 1 |
압축강도 | 7일 | 7.4 N/cm2 | 7.4 N/cm2 | 6.5 N/cm2 |
28일 | 12.5 N/cm2 | 12.6 N/cm2 | 11.2 N/cm2 | |
부착강도 | 7일 | 4.6 N/cm2 | 4.6 N/cm2 | 3.3 N/cm2 |
28일 | 8.8 N/cm2 | 8.85 N/cm2 | 7.5 N/cm2 | |
열전도율 | 14일 | 0.10 W/m·K | 0.12 W/m·K | 0.33 W/m·K |
비중 | 14일 | 0.75 kg/m3 | 0.76 kg/m3 | 2.66 kg/m3 |
내충격성 | 28일 | 파손 및 크랙발생 없음 | 파손 및 크랙 발생없음 | 잔크랙발생 |
난연성 | 14일 | 불연 | 불연 | 불연 |
Claims (17)
- 펄프 0.5 내지 10 중량%, 스티로폼 파쇄분 1 내지 10 중량%, 시멘트 60 내지 84 중량%, 칼슘 알루미네이트 3 내지 12 중량%, 중공체 필러 1 내지 10 중량%, 팽창 퍼라이트 0.5 내지 5 중량%, 천연 증점제 5 내지 10 중량% 및 공기연행제 0.1 내지 3 중량%를 포함하는 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 펄프는 폐지로부터 수득된 재생펄프인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 스티로폼 파쇄분은 재활용된 발포 폴리스티렌으로부터 수득된 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 스티로폼 파쇄분은 입자 크기가 0.5 내지 3 mm인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 시멘트는 비표면적이 3,000 내지 4,000 cm2/g, 압축강도(28일)가 40 내지 50 Mpa 및 백색도가 85% 이상인 포틀랜드 시멘트인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 칼슘 알루미네이트는 분말도가 4,000 내지 6,000 cm2/g인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 중공체 필러는 입자 크기가 10 내지 150 ㎛인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 중공체 필러는 비중 0.15 이상인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 팽창 퍼라이트는 비중 0.14 이하인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 천연 증점제는 카올린인 것을 특징으로 하는마감재 조성물.
- 제1항에 있어서,상기 공기연행제는 음이온계 공기연행제, 양이온계 공기연행제, 양성계 공기연행제, 수산기 공기연행제, 에테르계 공기연행제 및 비이온계 공기연행제로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는마감재 조성물.
- 마감재 조성물 총 100 중량%에 대해 펄프 0.5 내지 10 중량%, 스티로폼 파쇄분 1 내지 10 중량%, 시멘트 60 내지 84 중량%, 칼슘 알루미네이트 3 내지 12 중량%, 중공체 필러 1 내지 10 중량%, 팽창 퍼라이트 0.5 내지 5 중량%, 천연 증점제 5 내지 10 중량% 및 공기연행제 0.1 내지 3 중량%를 혼합하여 교반하는 단계;를 포함하는 것을 특징으로 하는마감재 조성물의 제조방법.
- 제12항에 있어서,상기 마감재 조성물의 제조방법은 폐지를 수산화나트륨 농도 15 내지 50 중량%인 수용액에 함침시켜 이물질을 제거하고 부풀리는 단계; 상기 이물질이 제거되고 부풀려진 폐지를 속도 400 내지 600 rpm으로 회전하는 칼날 고속교반기에서 절단하는 단계; 상기 절단된 폐지를 물로 세척하는 단계; 상기 세척된 폐지를 탈수기에서 탈수하는 단계; 상기 탈수된 폐지를 건조기에서 건조하는 단계; 및 상기 건조된 폐지를 크라샤로 1 내지 5mm로 분쇄하는 단계;를 포함하여 제조하는 단계를 포함하는 것을 특징으로 하는마감재 조성물의 제조방법.
- 제12항에 있어서,상기 스티로폼 파쇄분은 재활용된 발포 폴리스티렌으로부터 수득된 것을 특징으로 하는 마감재 조성물의 제조방법.
- 제12항에 있어서,상기 마감재 조성물의 제조방법은 발포 폴리스티렌을 핀크라샤로 입자크기 5 mm 이하가 되도록 1차 파쇄한 후 크라샤로 입자 크기 0.5 내지 3 mm가 되도록 2차 파쇄하여 스티로폼 파쇄분을 제조하는 단계를 포함하는 것을 특징으로 하는마감재 조성물의 제조방법.
- 제12항에 있어서,상기 마감재 조성물을 혼합하여 교반하는 단계는 리본 믹서기 또는 파우다 교반기에서 실시되는 것을 특징으로 하는마감재 조성물의 제조방법.
- 제1항 내지 제11항 중 어느 한 항에 의한 벽바름재 조성물 100 중량부를 기준으로 물 50 내지 70 중량부를 혼합하여 뿜칠 또는 벽바름 시공하는 것을 특징으로 하는 마감재 조성물의 시공방법.
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