WO2019216518A1 - Quasi-nonflammable finishing material composition, preparation method of same, and construction method using same - Google Patents

Quasi-nonflammable finishing material composition, preparation method of same, and construction method using same Download PDF

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Publication number
WO2019216518A1
WO2019216518A1 PCT/KR2019/000686 KR2019000686W WO2019216518A1 WO 2019216518 A1 WO2019216518 A1 WO 2019216518A1 KR 2019000686 W KR2019000686 W KR 2019000686W WO 2019216518 A1 WO2019216518 A1 WO 2019216518A1
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Prior art keywords
weight
semi
combustible
finish composition
same
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PCT/KR2019/000686
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French (fr)
Korean (ko)
Inventor
이창묵
송희용
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주식회사 홍성이엔지
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Publication of WO2019216518A1 publication Critical patent/WO2019216518A1/en

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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
    • C04B18/20—Waste materials; Refuse organic from macromolecular compounds
    • 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
    • C04B14/26—Carbonates
    • C04B14/28—Carbonates of calcium
    • 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
    • C04B16/02—Cellulosic materials
    • 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
    • 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
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/0093—Aluminates
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • C04B24/386—Cellulose or derivatives thereof containing polyether side chains
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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 semi-combustible heat insulating finish composition, a manufacturing method thereof and a construction method using the same, and more specifically, as an external finishing material, as well as excellent thermal insulation and flame retardancy as well as harmful substances are not eluted, compressive strength, adhesion strength, internal It relates to an excellent impact resistance and thermal insulation, a semi-combustible insulation finishing composition that can be easily sprayed or wall-coated by mixing only water at the work site, a manufacturing method thereof and a construction method using the same.
  • Insulation materials generally used in construction sites are a kind of material used for the purpose of reducing heat loss to the outside, and in addition to the effect of insulation, there are also cases of sound insulation, cushioning or reinforcing effect.
  • the heat insulator is preferably a low thermal conductivity of the material itself, but most of the material is not very small thermal conductivity in most cases to make the porous to reduce the thermal conductivity of the air in the pores are used.
  • Insulation materials can be broadly divided into organic and inorganic materials, and organic materials include cork, cotton, felt, carbide, rubber, and the like.
  • organic materials asbestos, glass wool, stone wool, diatomaceous earth, magnesium carbonate, etc.
  • foaming resins such as styrofoam, sponges, asbestos, glass fibers, etc. are frequently used on the inner and outer walls of buildings, and recently, panels in which small wooden particles are strongly pressed against a waterproof resin are also used.
  • the styrofoam (foamed polystyrene) is one of the most widely used insulation materials and is a resource-saving material in which 95% of the volume is air and 2% of the resin is a resin, and the weight is very light compared to the volume, and water resistance, insulation, sound insulation, cushioning, etc. Since it is excellent, it is widely used. However, since the styrofoam is light in weight but large in volume, it is inconvenient to handle and move, and its durability is very weak.It is not only easily damaged due to careless handling during construction, but also highly flammable and ignitable so that it is placed in an unprotected state due to fire. have.
  • the existing heat insulating material containing the styrofoam condensation occurs inside the heat insulating material due to the difference in temperature and humidity, which may cause harmful bacteria such as mold to grow unsanitary, and the heat insulation effect may not be satisfactory. many.
  • the present invention is not only excellent in flame retardancy and thermal insulation, but also excellent in compressive strength, adhesion strength and impact resistance, and easy to handle and mix only water in the field
  • the purpose of the present invention is to provide a semi-combustible insulation finish composition, a method for preparing the same and a construction method using the same, which can be easily sprayed or wall coated.
  • the present invention is 5 to 30% by weight of styrofoam crushed powder, 3 to 20% by weight calcium carbonate, 10 to 40% by weight back cement, 15 to 45% by weight calcium aluminate, hollow filler 3 to 30 wt%, cellulose fiber 1-15 wt%, fatty acid metal salt 0.5-15 wt%, air entrainer 1-5 wt%, cellulose ether 0.1-5 wt%, curing accelerator 0.01-3 wt% and curing aid 0.01-3 It provides a semi-combustible insulation finish composition and a method for producing the same, characterized in that it comprises a weight percent.
  • the present invention provides a construction method using the semi-combustible insulation finish composition.
  • Semi-combustible insulation finish composition of the present invention is 5 to 30% by weight of styrofoam crushed powder, 3 to 20% by weight of calcium carbonate, 10 to 40% by weight of cement, 15 to 45% by weight of calcium aluminate, 3 to 30% by weight of hollow filler %, 1 to 15% by weight of cellulose fiber, 0.5 to 15% by weight of fatty acid metal salt, 1 to 5% by weight of air entrainer, 0.1 to 5% by weight of cellulose ether, 0.01 to 3% by weight of curing accelerator and 0.01 to 3% by weight of curing aid It is characterized by including, excellent in flame retardancy and thermal insulation as well as excellent in compressive strength, adhesion strength and impact resistance without eluting harmful substances, can be easily sprayed or wall construction by mixing only water at the work site It works.
  • the semi-non-combustible insulation finish composition of the present description means a semi-non-combustible, or non-combustible, or non-combustible insulation finish composition, and corresponds to a semi-combustible material or a non-combustible material, or a flame retardant class 1 or flame retardant class 2 material according to the Building Code. .
  • the styrofoam crushed powder may be, for example, 5 to 30% by weight, 10 to 25% by weight, or 12 to 20% by weight based on 100% by weight of the semi-non-combustible insulation finish composition, and excellent heat insulation and strength within this range. There is.
  • the styrofoam crushed powder is an example of crushing expanded polystyrene (EPS) with a grinder.
  • EPS expanded polystyrene
  • the size of the styrofoam is 0.5 mm or less after the first crushing so that the size is 1 mm or 5 mm. It may be crushed to 3 to 3 mm, or 0.5 to 2 mm, it is easy to mix and uniformly mixed within this range has an excellent heat insulating performance.
  • the styrofoam crushed powder of the present disclosure means particles or powder formed when the styrofoam is crushed, and may include styrofoam particles or powder of the same or similar form as the crushed without being limited to crushing.
  • the expanded polystyrene may use recycled expanded polystyrene, and in this case, the production cost is reduced while maintaining the physical properties, and thus the economic effect is excellent.
  • the styrofoam may be, for example, a foamed styrenic polymer
  • the styrenic polymer may be, for example, a styrene homopolymer, polystyrene, poly (alkylstyrene), poly (halogenated styrene), poly (halogenated styrene), poly (alkoxystyrene) , Poly (vinyl benzoic acid ester), and at least one selected from the group consisting of hydrogenated polymers thereof, in which case there is an excellent heat insulating property and surface strength.
  • the calcium carbonate may be, for example, 3 to 20% by weight, 5 to 15% by weight, or 7 to 12% by weight relative to the total 100% by weight of the semi-combustible insulating finish composition, within which dispersibility is improved and compressed
  • the strength such as strength, adhesion strength and impact resistance is excellent.
  • the calcium carbonate may have, for example, an average particle diameter of 1 to 3 ⁇ m, or 1.5 to 2.5 ⁇ m, and dispersibility is improved within this range, and excellent strength such as compressive strength, adhesion strength and impact resistance is excellent.
  • the average particle diameter may be measured using a mesh.
  • the back cement may be, for example, 10 to 40% by weight, 15 to 35% by weight, or 20 to 30% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition. Excellent initial adhesion and pot life is secured.
  • the back cement is used as a fast economy of calcium aluminate.
  • the back cement is, for example, Portland cement with a specific surface area of 3000 to 4000 cm 2 / g, or 3200 to 3700 cm 2 / g; Compressive strength (28 days) of 40 to 50 Mpa, or 43 to 47 Mpa; Whiteness may be 85% or more, or 90% or more; within this range, there is an excellent effect of the fast hardening reaction and the physical property balance.
  • the specific surface area can be measured by adsorption using BET isotherm (ISO 9277: 1995).
  • Compressive strength in the present invention can be measured by the standard KS L 5105-87.
  • Whiteness in the present invention can be measured by the Hunter according to the KS L 5204 standard.
  • the calcium aluminate may be, for example, 15 to 45% by weight, 20 to 40% by weight, or 25 to 35% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition, and excellent in fast bonding within this range. Therefore, the pot life is secured, and the product can be produced within the desired time.
  • the calcium aluminate is produced by, for example, calcined alumina of high purity and limestone as a raw material, fired at a high temperature of about 1600 ° C., and pulverized to a predetermined powder level (Blaine) in a ball mill.
  • Al 2 O 3 ) content of 65 to 75% by weight, the material can be used even at high temperature of 1700 °C
  • the main chemical composition is composed of alumina and calcium oxide, minerals calcium mono-aluminate (Calcium mono) -Aluminate; CaO ⁇ Al 2 O 3 , CA) and a negative mineral calcium di-aluminate (Calcium di-Aluminate; CaO ⁇ 2Al 2 O 3 , CA 2 ).
  • the calcium aluminate may be, for example, a powder degree of 4,000 to 6,000 cm 2 / g, or 4,700 to 5,000 cm 2 / g and has an excellent hardness within this range.
  • Powder level in the present invention can be measured by the Blaine (specific surface area by air permeation apparatus) method (KS L 5106).
  • the hollow filler may be, for example, 3 to 30% by weight, 5 to 20% by weight, or 7 to 15% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition. great.
  • the hollow filler is, for example, a hollow hollow capsule, which can exert an insulating effect by an air layer in the capsule, and can form the hollow by a commonly known method.
  • the hollow filler may have a particle size of 10 to 150 ⁇ m, or 50 to 100 ⁇ m, and has excellent heat insulating property within this range.
  • Particle size in the present invention can be measured using a mesh (mesh).
  • the hollow filler includes, for example, a hollow filler coated with calcium carbonate and titanium dioxide on poly acrylonitrile; Ceramic hollow fillers composed of silica, alumina, iron and titanium oxide; And it may be one or more selected from the group consisting of acrylic hollow filler, in this case there is an effect that the heat insulating layer is light weight due to the hollow structure.
  • the hollow filler may be at least one selected from the group consisting of glass beads and xenosphere beads in which the hollow filler is hollow, and in this case, the heat insulating layer is lightened due to the hollow structure.
  • the hollow filler may have a surface water repellent, which is a silane or silicon-based silane compound, coated on the surface thereof, and in this case, the heat insulation layer is lightened due to the hollow structure, thereby providing water repellency.
  • a surface water repellent which is a silane or silicon-based silane compound, coated on the surface thereof, and in this case, the heat insulation layer is lightened due to the hollow structure, thereby providing water repellency.
  • the ceramic hollow filler may include, for example, 50 to 60 wt% silica, 38 to 48 wt% alumina, 0.1 to 1 wt% iron, and 1 to 2 wt% titanium oxide, or 53 to 58 wt% silica, alumina 40 To 45% by weight, may be composed of 0.3 to 0.7% by weight of iron and 1.2 to 1.7% by weight of titanium oxide, it is excellent in the weight reduction effect within this range.
  • the hollow filler may be a spherical filler, for example, and in this case, the heat insulation layer has an effect of lightening due to the hollow structure.
  • spherical means a round shape such as a ball.
  • the cellulose fiber may be, for example, 1 to 15% by weight, 2 to 10% by weight, or 3 to 7% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition.
  • the cellulose fiber is a natural fiber extracted from a perennial plant, for example, is water-insoluble and has a chemical formula of (C 6 H 10 O 5 ) n , preferably a fiber length of 40 to 2000 ⁇ m, or 500 to 1500 ⁇ m, fiber diameter 20 to 100 ⁇ m, or 40 to 80 ⁇ m, and within this range, the effect of improving the strength such as compressive strength, adhesion strength, impact resistance and the like is excellent.
  • Fiber length and fiber diameter in the present invention can be measured by an optical microscope or a scanning electron microscope.
  • the fatty acid metal salt may be, for example, 0.5 to 15% by weight, 1 to 10% by weight, or 2 to 7% by weight based on 100% by weight of the semi-combustible insulation finish composition, and has excellent water repellency within this range.
  • the fatty acid metal salt may be at least one selected from the group consisting of, for example, zinc oleate, calcium oleate, aluminum oleate, zinc stearate, calcium stearate, and magnesium stearate, preferably zinc stearate, and in this case, the effect of imparting water repellency is great.
  • the fatty acid metal salt may have a particle diameter of 5 ⁇ m or less, or 1 to 5 ⁇ m, and may be uniformly dispersed within this range to further improve water repellency.
  • Particle diameter of the present substrate can be measured using a mesh (unless otherwise defined).
  • the air entrainer may be, for example, 1 to 5% by weight, 1 to 3% by weight, or 1.5 to 2.5% by weight relative to a total of 100% by weight of the semi-non-combustible heat insulating finish composition, and countless microbubbles in the finish within this range.
  • the air entraining agent is, for example, an anionic group having a charge of an anion by dissociating in water and exhibiting surface activity, and is a cationic air entrainer in which an active group in a resin soap, a lactic acid ester and a sulfide-based air entrainer, and an aqueous solution is charged with a cation.
  • Anionic surfactants that act as anionic surfactants for alkalis but cationic surfactants for acids, ether-based air binders that have hydroxyl groups that do not dissociate into ions in aqueous solutions, and ethylene oxide as hydrophilic groups.
  • it may be one or more selected from the group consisting of non-ionic air entrainer with ester, in this case there is an effect of improving workability and resistance to freeze-thawing.
  • the air entrainer may be at least one selected from the group consisting of sodium lauryl sulfate, sodium alkyl sulfate, resin soap, vinzolesine, darex, protex, and pozzoris, in which case workability is improved. It has the effect of improving the resistance to freezing and thawing.
  • the cellulose ether may be, for example, 0.1 to 5% by weight, 0.3 to 3% by weight, or 0.5 to 2% by weight relative to the total 100% by weight of the semi-non-combustible heat insulating finish composition, while excellent in synergistic effect within this range Physical property balance has an excellent effect.
  • the cellulose ether is for example from the group consisting of hydroxy propyl methyl cellulose, hydroxy ethyl methyl cellulose, methyl cellulose and hydroxy ethyl cellulose It may be one or more selected, preferably methyl cellulose, in this case is excellent viscosity synergistic effect and excellent physical property balance effect.
  • the methyl cellulose is an environmentally friendly material, and cellulose (Cellulose) obtained from wood and cotton is a raw material. It is a water-soluble polymer prepared by substituting a hydroxyl group (-OH) in a cellulose molecule with a methoxyl group (-OCH 3 ) and a hydroxypropoxy group (-OCH 2 CH (OH) CH 3 ) through etherification.
  • the cellulose ether is, for example, well soluble in cold water through a hydration reaction with water, and hot water has a property of being dispersed only by gelation.
  • the curing accelerator may be, for example, 0.01 to 3% by weight, 0.05 to 2% by weight, or 0.1 to 1% by weight based on 100% by weight of the semi-non-combustible insulation finish composition, and chemical bonding with the back cement within this range. This smoothly enough pot life is secured, there is an excellent workability.
  • the curing accelerator may be at least one selected from the group consisting of, for example, sodium sulfide, sodium carbonate, lithium carbonate, lithiumlide oxide, and aluminum oxide, preferably lithium carbonate, and in this case, chemical with back cement The effect of promoting bonding is excellent.
  • the lithium carbonate may be, for example, a white monoclinic powder.
  • the curing aid may be, for example, 0.01 to 3% by weight, 0.05 to 2% by weight, or 0.1 to 1% by weight relative to the total 100% by weight of the semi-combustible insulation finish composition, the pot life is secured within this range The effect is excellent.
  • the curing aid may be at least one selected from the group consisting of calcium formate, sodium formate, potassium formate and magnesium formate, for example, preferably calcium formate, in which case pot life is ensured and workability Excellent effect.
  • the calcium formate is, for example, very low freezing point to perform the condensation promoting function at low temperatures can be used as a cold-resistant accelerator, it is used in combination with cement to give the effect of lowering the freezing point and at the same time serves to enhance the strength.
  • calcium formate is a material that is all soluble in water, and serves to increase the early strength when applied to cement.
  • the method for producing a semi-non-combustible insulation finish composition of the present invention comprises the steps of coating 5 to 30% by weight of styrofoam crushed powder with calcium carbonate 3 to 20% by weight relative to a total of 100% by weight of the semi-non-combustible insulation finish composition; And the calcium carbonate coated styrofoam crushed powder 10 to 40% by weight, calcium aluminate 15 to 45% by weight, hollow filler 3 to 30% by weight, cellulose fiber 1 to 15% by weight, fatty acid metal salt 0.5 to 15 Mixing and stirring the weight%, 1 to 5% by weight of the air entrainer, 0.1 to 5% by weight of the cellulose ether, 0.01 to 3% by weight of the curing accelerator and 0.01 to 3% by weight of the curing aid; and flame retardant And not only excellent thermal insulation, but also has excellent compressive strength, adhesion strength and impact resistance without eluting harmful substances, and can be easily sprayed or wall-painted on the work site, so that
  • the method for producing the semi-non-combustible heat insulating finish composition is, for example, the first crushed styrofoam to 5 mm or less, or 1 to 5 mm in size with a pin crusher, 0.5 to 3 mm, or 0.5 to 2 mm in size with a Hammacrasa It may include the step of preparing the styrofoam crushed powder by the secondary crushing, in this case, the mixing is easy and uniformly mixed to have an excellent heat insulating performance.
  • the coating can be carried out for example 5 minutes to 50 minutes, 10 minutes to 30 minutes, or 10 minutes to 20 minutes at a stirring speed of 30 to 80 rpm, or 50 to 60 rpm with a ribbon mixer, in this case uniformly It has a coating effect.
  • a cement, calcium aluminate, hollow filler, cellulose fiber, fatty acid metal salt, air entrainer, cellulose ether, curing accelerator and curing aid were added thereto, and the stirring speed was 30 to 80 rpm, or Stir at 50 to 60 rpm for 10 to 60 minutes, 15 to 50 minutes, or 20 to 40 minutes.
  • the agitation can be carried out in a ribbon mixer or powder stirrer, for example.
  • Coating the styrofoam crushed powder with calcium carbonate may mean a state in which fine calcium carbonate particles are uniformly dispersed in the styrofoam crushed powder or a state in which the styrofoam crushed powder and calcium carbonate are uniformly mixed.
  • the construction method of the semi-non-combustible heat insulating finish composition of the present invention is based on 100 parts by weight of the semi-non-combustible heat insulating finish composition, for example, by mixing 50 to 80 parts by weight, or 60 to 70 parts by weight of water spray or wall coating It is not only excellent in flame retardancy and thermal insulation, but also has excellent compressive strength, adhesion strength and impact resistance without eluting harmful substances, and can be easily sprayed or wall-coated by mixing only water at the work site.
  • the spraying or wall coating can be carried out with a coating thickness of 5 to 35 mm, 10 to 30 mm, or 20 to 30 mm in one application, and there is an effect of easy workability within this range.
  • the spraying or wall coating may be performed once, for example, once to three times, once to two times, or once, and has excellent heat insulation and flame retardancy within this range.
  • spray coating refers to a method of spraying a coating material into a particulate state of a fog state through compressed air through one of coating methods.
  • Wall coating in the present description means a method of coating the paint on the inside and outside of the building with a plaster or trowel.
  • the styrofoam was first pulverized with a pin crusher to have a particle size of 1 to 5 mm, and then crushed with a hammacrisia to prepare a styrofoam pulverized powder having a particle size of 0.5 to 1.5 mm.
  • the calcium carbonate coated styrofoam crushed powder 25% by weight, calcium aluminate 30% by weight, hollow filler 10% by weight, cellulose fiber 3% by weight, zinc stearate 3% by weight, air entrainer 1.8% by weight, methyl 2 wt% of cellulose, 0.1 wt% of lithium carbonate and 0.1 wt% of calcium formate were added to a ribbon mixer, and stirred for 30 minutes at a stirring speed of 50 rpm to prepare a semi-combustible heat insulating finish composition as a premix type.
  • the premix type means a mixture in which the raw materials of the powder are mixed uniformly.
  • Test results are summarized in Table 1 below by measuring the amount of harmful substances eluted with the samples constructed with the semi-non-combustible insulation finish composition prepared in Example 1.
  • Test Items Example 1 Test Methods Hazardous Substance Discharge (ppm) Cu Not detected Waste Process Test Method Pb Not detected CD Not detected Cr Not detected As Not detected Hg Not detected
  • Example 1 obtained in accordance with the present invention was confirmed that the harmful components such as copper, lead, cadmium is not eluted environmentally friendly semi-combustible insulation finish composition.
  • Example 1 obtained according to the present invention had a superior thermal insulation and low specific gravity and excellent thermal insulation and specific gravity as the age is longer than the comparative example 1 was excellent in thermal insulation Construction was easy and simple.

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Abstract

The present invention relates to a quasi-nonflammable finishing material composition, a preparation method of same, and a construction method using same. More specifically, the present invention relates to a quasi-non flammable finishing material composition comprising 5-30 wt% of shredded Styrofoam , 3-20 wt% of calcium carbonate, 10-40 wt% of white cement, 15-45 wt% of calcium aluminates, 3-30 wt% of a hollow body filler, 1-15 wt% of cellulose fibers, 0.5-15 wt% of fatty acid metal salts, 1-5 wt% of an air-entraining admixture, 0.1-5 wt% of cellulose ether, 0.01-3 wt% of a curing accelerator , and 0.01-3 wt% of a curing coagent; a preparation method of same; and a construction method using same. According to the present invention, there is an effect of providing a quasi-nonflammable finishing material composition which not only has desirable flame retardancy and thermal insulation properties, but also has desirable compressive strength, adhesive strength, and impact resistance without releasing harmful substances, and can be mixed with water alone to be conveniently sprayed or applied to a wall; a preparation method of same; and a construction method using same.

Description

준불연 단열 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법Semi-non-combustible insulation finish composition, preparation method thereof and construction method using the same
본 발명은 준불연 단열 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법에 관한 것으로, 보다 상세하게는 외부용 마감재로서 단열성 및 난연성이 우수할 뿐만 아니라 유해물질이 용출되지 않고 압축강도, 부착강도, 내충격성 및 단열성이 우수하고, 작업 현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공할 수 있는 준불연 단열 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법에 관한 것이다.The present invention relates to a semi-combustible heat insulating finish composition, a manufacturing method thereof and a construction method using the same, and more specifically, as an external finishing material, as well as excellent thermal insulation and flame retardancy as well as harmful substances are not eluted, compressive strength, adhesion strength, internal It relates to an excellent impact resistance and thermal insulation, a semi-combustible insulation finishing composition that can be easily sprayed or wall-coated by mixing only water at the work site, a manufacturing method thereof and a construction method using the same.
통상 건축현장에 사용되고 있는 단열재는 외부로의 열 손실을 줄이는 목적으로 사용되는 자재의 일종으로서 단열의 효과 외에 차음, 완충 혹은 보강의 효과를 겸하는 경우도 있다.Insulation materials generally used in construction sites are a kind of material used for the purpose of reducing heat loss to the outside, and in addition to the effect of insulation, there are also cases of sound insulation, cushioning or reinforcing effect.
상기 단열재는 소재 자체의 열전도율이 작은 것이 바람직하나 대부분의 재료가 열전도율이 그다지 작지 않아 대부분의 경우에 열전도율을 작게 하기 위해서 다공질이 되도록 만들어 기공 속의 공기의 단열성을 이용하고 있다.The heat insulator is preferably a low thermal conductivity of the material itself, but most of the material is not very small thermal conductivity in most cases to make the porous to reduce the thermal conductivity of the air in the pores are used.
단열재의 소재는 유기질과 무기질로 크게 나눌 수 있고, 유기질로는 코르크, 면, 펠트, 탄화물, 고무류 등을 들 수 있고, 무기질로는 석면, 유리솜, 석열솜, 규조토, 탄산마그네슘 분물 등을 들 수 있는데, 건물의 내·외벽에는 스티로폼 등의 발포수지, 스펀지, 석면, 유리 섬유 등이 애용되고 최근에는 작은 나무 입자를 방수성 수지에 강하게 압착한 판넬 등도 사용되고 있다.Insulation materials can be broadly divided into organic and inorganic materials, and organic materials include cork, cotton, felt, carbide, rubber, and the like. As inorganic materials, asbestos, glass wool, stone wool, diatomaceous earth, magnesium carbonate, etc. However, foaming resins such as styrofoam, sponges, asbestos, glass fibers, etc. are frequently used on the inner and outer walls of buildings, and recently, panels in which small wooden particles are strongly pressed against a waterproof resin are also used.
상기 스티로폼(발포 폴리스티렌)은 가장 널리 사용되는 단열재의 일종으로 체적의 95%가 공기이고 나머지 2% 정도가 수지인 자원 절약형 소재로서 부피에 비해 무게가 매우 가벼우면서 내수성, 단열성, 방음성, 완충성 등이 우수하기 때문에 널리 사용되고 있다. 그러나 상기 스티로폼은 중량은 가볍지만 부피가 크기 때문에 취급과 이동이 불편하고 내구성이 매우 약해 시공 시에 취급 부주의로 인하여 손쉽게 파손될 뿐만 아니라 인화성·발화성이 매우 강하여 화재에 무방비한 상태로 놓이게 되는 치명적인 단점이 있다. The styrofoam (foamed polystyrene) is one of the most widely used insulation materials and is a resource-saving material in which 95% of the volume is air and 2% of the resin is a resin, and the weight is very light compared to the volume, and water resistance, insulation, sound insulation, cushioning, etc. Since it is excellent, it is widely used. However, since the styrofoam is light in weight but large in volume, it is inconvenient to handle and move, and its durability is very weak.It is not only easily damaged due to careless handling during construction, but also highly flammable and ignitable so that it is placed in an unprotected state due to fire. have.
또한, 상기 스티로폼을 포함한 기존의 단열재는 온도 및 습도 차이에 의해 단열재의 내부에 결로가 발생하고, 이로 인해 곰팡이 등의 유해균이 번식하여 실내를 비위생적으로 만들 수 있으며 단열효과도 크게 만족스럽지 못하는 경우가 많다.In addition, the existing heat insulating material containing the styrofoam condensation occurs inside the heat insulating material due to the difference in temperature and humidity, which may cause harmful bacteria such as mold to grow unsanitary, and the heat insulation effect may not be satisfactory. many.
또한, 대부분의 단열재는 발포 등의 일정한 공정을 거쳐 완성된 것으로 자체의 부피가 있기 때문에 일부 소재의 경우 시공면적이 상당히 넓지만, 시공 대상물의 규격이 정형화되어 있지 않거나 소규모의 작업장에서는 소재의 낭비가 많아 비경제적이면서 작업성이 나쁘다는 문제점이 있다. 이와 같이 대부분의 단열재는 부피가 있는 소재이기 때문에 이러한 불편을 감수하고 작업하는 것이 일반적이었다.In addition, most insulation materials are completed through a certain process, such as foaming, and because they have their own volume, the construction area of some materials is quite large, but the size of the construction target is not standardized or waste of materials in small workplaces. There are many problems that are uneconomical and bad workability. As such, most insulation materials are bulky materials, so it is common to work with these inconveniences.
그러나 최근에는 이러한 단점을 개선하는 것으로 시공 대상물에 그대로 바르는 도포형 단열재가 인기를 끌고 있고, 프라이머를 도포한 후에 에폭시 마감재를 사용하거나 혹은 기존의 충전재용 소재에 단열성을 보강한 조성물 등을 예로 들 수 있으나, 이들을 사용하는 경우에 다시 후공정으로 마감재를 사용해야 하고 또한 유해성분이 용출되는 등의 문제점이 있다.In recent years, however, coating type insulation materials that have been applied directly to construction objects have become popular, and for example, compositions using epoxy finishes after applying primers or reinforcing insulation on existing filler materials can be cited. However, in the case of using these, there is a problem that the finishing material must be used as a post-process again and also harmful ingredients are eluted.
따라서, 난연성과 단열성이 우수하면서도 유해성분이 용출되지 않고 강도가 우수하고 시공이 용이한 마감재의 개발이 요구되고 있는 실정이다. Therefore, there is a demand for the development of a finish having excellent flame retardancy and heat insulating properties, but not having harmful components, excellent strength, and easy construction.
[선행기술문헌][Preceding technical literature]
[특허문헌][Patent Documents]
한국 특허공개 제2011-0004690호Korean Patent Publication No. 2011-0004690
상기와 같은 종래기술의 문제점을 해결하고자, 본 발명은 유해물질이 용출되지 않으면서도 난연성 및 단열성이 우수할 뿐만 아니라 압축강도, 부착강도 및 내충격성이 우수하고, 취급이 용이하고 현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공 할 수 있어 작업이 용이한 준불연 단열 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법의 제공을 목적으로 한다.In order to solve the problems of the prior art as described above, the present invention is not only excellent in flame retardancy and thermal insulation, but also excellent in compressive strength, adhesion strength and impact resistance, and easy to handle and mix only water in the field The purpose of the present invention is to provide a semi-combustible insulation finish composition, a method for preparing the same and a construction method using the same, which can be easily sprayed or wall coated.
본 발명의 상기 목적 및 기타 목적들은 하기 설명된 본 발명에 의하여 모두 달성될 수 있다.The above and other objects of the present invention can be achieved by the present invention described below.
상기의 목적을 달성하기 위하여, 본 발명은 스티로폼 파쇄분 5 내지 30 중량%, 탄산칼슘 3 내지 20 중량%, 백시멘트 10 내지 40 중량%, 칼슘 알루미네이트 15 내지 45 중량%, 중공체 필러 3 내지 30 중량%, 셀룰로오스 섬유 1 내지 15 중량%, 지방산 금속염 0.5 내지 15 중량%, 공기연행제 1 내지 5 중량%, 셀룰로오스 에테르 0.1 내지 5 중량%, 경화촉진제 0.01 내지 3 중량% 및 경화보조제 0.01 내지 3 중량%를 포함하는 것을 특징으로 하는 준불연 단열 마감재 조성물 및 이의 제조방법을 제공한다.In order to achieve the above object, the present invention is 5 to 30% by weight of styrofoam crushed powder, 3 to 20% by weight calcium carbonate, 10 to 40% by weight back cement, 15 to 45% by weight calcium aluminate, hollow filler 3 to 30 wt%, cellulose fiber 1-15 wt%, fatty acid metal salt 0.5-15 wt%, air entrainer 1-5 wt%, cellulose ether 0.1-5 wt%, curing accelerator 0.01-3 wt% and curing aid 0.01-3 It provides a semi-combustible insulation finish composition and a method for producing the same, characterized in that it comprises a weight percent.
또한, 본 발명은 상기 준불연 단열 마감재 조성물을 이용한 시공방법을 제공한다.In addition, the present invention provides a construction method using the semi-combustible insulation finish composition.
상기에서 살펴본 바와 같이, 본 발명에 따르면 단열성 및 난연성이 우수할 뿐만 아니라 유해물질이 전혀 용출되지 않아 친환경적이면서 압축강도, 부착강도 및 내충격성 등의 강도가 우수하며 취급이 용이하고 작업현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공할 수 있는 준불연 단열 마감재 조성물, 이의 제조방법 및 이를 이용한 시공방법을 제공하는 효과가 있다.As described above, according to the present invention, not only excellent thermal insulation and flame retardancy, but also harmful substances are not eluted at all, and are environmentally friendly, have excellent strengths such as compressive strength, adhesion strength and impact resistance, and are easy to handle and mix only with water in the workplace. There is an effect of providing a semi-combustible insulating finish composition that can be easily sprayed or wall-covered construction, a method of manufacturing the same and a construction method using the same.
이하 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail.
본 발명의 준불연 단열 마감재 조성물은 스티로폼 파쇄분 5 내지 30 중량%, 탄산칼슘 3 내지 20 중량%, 백시멘트 10 내지 40 중량%, 칼슘 알루미네이트 15 내지 45 중량%, 중공체 필러 3 내지 30 중량%, 셀룰로오스 섬유 1 내지 15 중량%, 지방산 금속염 0.5 내지 15 중량%, 공기연행제 1 내지 5 중량%, 셀룰로오스 에테르 0.1 내지 5 중량%, 경화촉진제 0.01 내지 3 중량% 및 경화보조제 0.01 내지 3 중량%를 포함하는 것을 특징으로 하고, 난연성 및 단열성이 우수할 뿐만 아니라 유해물질이 용출되지 않으면서도 압축강도, 부착강도 및 내충격성이 우수하고, 작업 현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공할 수 있는 효과가 있다.Semi-combustible insulation finish composition of the present invention is 5 to 30% by weight of styrofoam crushed powder, 3 to 20% by weight of calcium carbonate, 10 to 40% by weight of cement, 15 to 45% by weight of calcium aluminate, 3 to 30% by weight of hollow filler %, 1 to 15% by weight of cellulose fiber, 0.5 to 15% by weight of fatty acid metal salt, 1 to 5% by weight of air entrainer, 0.1 to 5% by weight of cellulose ether, 0.01 to 3% by weight of curing accelerator and 0.01 to 3% by weight of curing aid It is characterized by including, excellent in flame retardancy and thermal insulation as well as excellent in compressive strength, adhesion strength and impact resistance without eluting harmful substances, can be easily sprayed or wall construction by mixing only water at the work site It works.
본 기재의 준불연 단열 마감재 조성물은 준불연 이상의, 즉 준불연 또는 불연의 단열 마감재 조성물을 의미하고, 건축법 상 준불연 재료 또는 불연재료에 해당하거나, 난연 1급 또는 난연 2급의 재료에 해당한다.The semi-non-combustible insulation finish composition of the present description means a semi-non-combustible, or non-combustible, or non-combustible insulation finish composition, and corresponds to a semi-combustible material or a non-combustible material, or a flame retardant class 1 or flame retardant class 2 material according to the Building Code. .
본 발명의 준불연 단열 마감재 조성물을 구성하는 각 성분을 상세하게 살펴보면 다음과 같다.Looking at each component of the semi-combustible insulation finish composition of the present invention in detail.
스티로폼 파쇄분Styrofoam crushed powder
상기 스티로폼 파쇄분은 일례로 준불연 단열 마감재 조성물 총 100 중량%에 대해 5 내지 30 중량%, 10 내지 25 중량%, 또는 12 내지 20 중량%일 수 있고, 이 범위 내에서 단열성 및 강도가 우수한 효과가 있다.The styrofoam crushed powder may be, for example, 5 to 30% by weight, 10 to 25% by weight, or 12 to 20% by weight based on 100% by weight of the semi-non-combustible insulation finish composition, and excellent heat insulation and strength within this range. There is.
상기 스티로폼 파쇄분은 일례로 발포 폴리스티렌(Expanded polystyrene; EPS)을 분쇄기로 파쇄한 것으로 구체적으로 핀크라샤로 크기가 5 mm 이하, 또는 1 내지 5 mm가 되도록 1차 파쇄 후 함마크라샤로 크기가 0.5 내지 3 mm, 또는 0.5 내지 2 mm가 되도록 파쇄한 것일 수 있고, 이 범위 내에서 혼합이 용이하고 균일하게 혼합되어 단열성능이 우수한 효과가 있다.The styrofoam crushed powder is an example of crushing expanded polystyrene (EPS) with a grinder. Specifically, the size of the styrofoam is 0.5 mm or less after the first crushing so that the size is 1 mm or 5 mm. It may be crushed to 3 to 3 mm, or 0.5 to 2 mm, it is easy to mix and uniformly mixed within this range has an excellent heat insulating performance.
본 기재의 스티로폼 파쇄분은 스티로폼을 파쇄했을 때 형성되는 입자 또는 가루를 의미하는 것으로, 파쇄에 한정되지 않고 파쇄한 것과 동등 또는 유사한 형태의 스티로폼 입자 또는 가루를 포함할 수 있다.The styrofoam crushed powder of the present disclosure means particles or powder formed when the styrofoam is crushed, and may include styrofoam particles or powder of the same or similar form as the crushed without being limited to crushing.
상기 발포 폴리스티렌은 일례로 재활용된 발포 폴리스티렌을 사용할 수 있고, 이 경우에 물성을 유지하면서도 생산비가 절감되어 경제적인 효과가 우수하다.For example, the expanded polystyrene may use recycled expanded polystyrene, and in this case, the production cost is reduced while maintaining the physical properties, and thus the economic effect is excellent.
상기 스티로폼은 일례로 발포 스티렌계 중합체일 수 있고, 상기 스티렌계 중합체는 일례로 스티렌 호모 중합체, 폴리스티렌, 폴리(알킬스티렌), 폴리(할로겐화 스티렌), 폴리(할로겐화 알킬스티렌), 폴리(알콕시스티렌), 폴리(비닐안식향산에스테르), 및 이들의 수소화중합체로 이루어진 군으로부터 선택된 1종 이상이며, 이 경우 단열성 및 표면강도가 우수한 효과가 있다.The styrofoam may be, for example, a foamed styrenic polymer, and the styrenic polymer may be, for example, a styrene homopolymer, polystyrene, poly (alkylstyrene), poly (halogenated styrene), poly (halogenated styrene), poly (alkoxystyrene) , Poly (vinyl benzoic acid ester), and at least one selected from the group consisting of hydrogenated polymers thereof, in which case there is an excellent heat insulating property and surface strength.
탄산칼슘Calcium carbonate
상기 탄산칼슘은 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 3 내지 20 중량%, 5 내지 15 중량%, 또는 7 내지 12 중량%일 수 있고, 이 범위 내에서 분산성이 향상되고 압축강도, 부착강도 및 내충격성 등의 강도가 우수한 효과가 있다.The calcium carbonate may be, for example, 3 to 20% by weight, 5 to 15% by weight, or 7 to 12% by weight relative to the total 100% by weight of the semi-combustible insulating finish composition, within which dispersibility is improved and compressed The strength, such as strength, adhesion strength and impact resistance is excellent.
상기 탄산칼슘은 일례로 평균입경이 1 내지 3 ㎛, 또는 1.5 내지 2.5 ㎛일 수 있고 이 범위 내에서 분산성이 향상되고 압축강도, 부착강도 및 내충격성 등의 강도가 우수한 효과가 있다.The calcium carbonate may have, for example, an average particle diameter of 1 to 3 μm, or 1.5 to 2.5 μm, and dispersibility is improved within this range, and excellent strength such as compressive strength, adhesion strength and impact resistance is excellent.
본 발명에서 평균입경은 메쉬(mesh)를 이용하여 측정할 수 있다. In the present invention, the average particle diameter may be measured using a mesh.
백시멘트Back cement
상기 백시멘트는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 10 내지 40 중량%, 15 내지 35 중량%, 또는 20 내지 30 중량%일 수 있고, 이 범위 내에서 속경성 반응이 우수하여 초기 접착력이 우수하고 가사시간이 확보되는 효과가 있다. The back cement may be, for example, 10 to 40% by weight, 15 to 35% by weight, or 20 to 30% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition. Excellent initial adhesion and pot life is secured.
상기 백시멘트는 칼슘 알루미네이트의 속경제로 사용된다.The back cement is used as a fast economy of calcium aluminate.
상기 백시멘트는 일례로 포틀랜드 시멘트로 비표면적이 3000 내지 4000 cm2/g, 또는 3200 내지 3700 cm2/g; 압축강도(28일)가 40 내지 50 Mpa, 또는 43 내지 47 Mpa; 백색도가 85% 이상, 또는 90% 이상;일 수 있고, 이 범위 내에서 속경성 반응 및 물성 밸런스가 우수한 효과가 있다.The back cement is, for example, Portland cement with a specific surface area of 3000 to 4000 cm 2 / g, or 3200 to 3700 cm 2 / g; Compressive strength (28 days) of 40 to 50 Mpa, or 43 to 47 Mpa; Whiteness may be 85% or more, or 90% or more; within this range, there is an excellent effect of the fast hardening reaction and the physical property balance.
본 발명에서 비표면적은 BET 등온선을 사용한 흡착(ISO 9277:1995)에 의해 측정할 수 있다.In the present invention, the specific surface area can be measured by adsorption using BET isotherm (ISO 9277: 1995).
본 발명에서 압축강도는 KS L 5105-87 규격에 의하여 측정할 수 있다.Compressive strength in the present invention can be measured by the standard KS L 5105-87.
본 발명에서 백색도는 KS L 5204 규격에 의하여 헌터식으로 측정할 수 있다.Whiteness in the present invention can be measured by the Hunter according to the KS L 5204 standard.
칼슘 calcium 알루미네이트Aluminate
상기 칼슘 알루미네이트는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 15 내지 45 중량%, 20 내지 40 중량%, 또는 25 내지 35 중량%일 수 있고, 이 범위 내에서 속경성 결합이 우수하여 가사 시간이 확보되어 원하는 시간 내에 제품 생산이 가능한 효과가 있다.The calcium aluminate may be, for example, 15 to 45% by weight, 20 to 40% by weight, or 25 to 35% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition, and excellent in fast bonding within this range. Therefore, the pot life is secured, and the product can be produced within the desired time.
상기 칼슘 알루미네이트는 일례로 순도가 높은 고순도의 하소 알루미나와 석회석을 원료로 하여 1600℃ 가량의 고온에서 소성하고 볼 밀(ball mill)에서 소정의 분말도(Blaine)로 분쇄하여 제조한 것으로 알루미나(Al2O3) 함량이 65 내지 75 중량%이며, 1700℃의 고온에서도 사용이 가능한 재료로서 주 화학성분은 알루미나와 산화칼슘으로 이루어지게 되며, 광물상으로는 주광물인 칼슘 모노-알루미네이트(Calcium mono-Aluminate; CaO·Al2O3, CA)와 부광물인 칼슘 디-알루미네이트(Calcium di-Aluminate; CaO· 2Al2O3, CA2)로 구성된다.The calcium aluminate is produced by, for example, calcined alumina of high purity and limestone as a raw material, fired at a high temperature of about 1600 ° C., and pulverized to a predetermined powder level (Blaine) in a ball mill. Al 2 O 3 ) content of 65 to 75% by weight, the material can be used even at high temperature of 1700 ℃ the main chemical composition is composed of alumina and calcium oxide, minerals calcium mono-aluminate (Calcium mono) -Aluminate; CaO · Al 2 O 3 , CA) and a negative mineral calcium di-aluminate (Calcium di-Aluminate; CaO · 2Al 2 O 3 , CA 2 ).
상기 칼슘 알루미네이트는 일례로 분말도가 4,000 내지 6,000 cm2/g, 또는 4,700 내지 5,000 cm2/g일 수 있고 이 범위 내에서 속경성이 우수한 효과가 있다. The calcium aluminate may be, for example, a powder degree of 4,000 to 6,000 cm 2 / g, or 4,700 to 5,000 cm 2 / g and has an excellent hardness within this range.
본 발명에서 분말도는 블레인(Blaine; 공기 투과장치에 의한 비표면적)법(KS L 5106)으로 측정할 수 있다.Powder level in the present invention can be measured by the Blaine (specific surface area by air permeation apparatus) method (KS L 5106).
중공체Hollow body 필러filler
상기 중공체 필러는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 3 내지 30 중량%, 5 내지 20 중량%, 또는 7 내지 15 중량%일 수 있고, 이 범위 내에서 단열성 및 경량화 효과가 우수하다.The hollow filler may be, for example, 3 to 30% by weight, 5 to 20% by weight, or 7 to 15% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition. great.
상기 중공체 필러는 일례로 속이 빈 중공형 캡슐로서, 캡슐 내의 공기층에 의해 단열효과를 발휘할 수 있으며, 통상 공지된 공법으로 그 중공을 형성할 수 있다.The hollow filler is, for example, a hollow hollow capsule, which can exert an insulating effect by an air layer in the capsule, and can form the hollow by a commonly known method.
상기 중공체 필러는 일례로 입자 크기가 10 내지 150 ㎛, 또는 50 내지 100 ㎛일 수 있고, 이 범위 내에서 단열성이 우수한 효과가 있다.For example, the hollow filler may have a particle size of 10 to 150 μm, or 50 to 100 μm, and has excellent heat insulating property within this range.
본 발명에서 입자 크기는 메쉬(mesh)를 이용하여 측정할 수 있다. Particle size in the present invention can be measured using a mesh (mesh).
상기 중공체 필러는 일례로 폴리아크릴로니트릴(poly acrylonitrile)에 탄산칼슘 및 이산화티탄으로 코팅되어 있는 중공체 필러; 실리카, 알루미나, 철 및 티타늄옥사이드로 이루어진 세락믹 중공체 필러; 및 아크릴 중공체 필러로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 이 경우에 중공 구조로 인해 단열층이 경량화 되는 효과가 있다.The hollow filler includes, for example, a hollow filler coated with calcium carbonate and titanium dioxide on poly acrylonitrile; Ceramic hollow fillers composed of silica, alumina, iron and titanium oxide; And it may be one or more selected from the group consisting of acrylic hollow filler, in this case there is an effect that the heat insulating layer is light weight due to the hollow structure.
또 다른 예로, 상기 중공체 필러는 내부가 중공 상태인 글래스 비드, 세노스피어 비드로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 이 경우에 중공 구조로 인해 단열층이 경량화 되는 효과가 있다.As another example, the hollow filler may be at least one selected from the group consisting of glass beads and xenosphere beads in which the hollow filler is hollow, and in this case, the heat insulating layer is lightened due to the hollow structure.
상기 중공체 필러는 일례로 표면에 실란 또는 실리콘계의 실란 화합물인 표면 발수제가 코팅될 수 있고, 이 경우에 중공 구조로 인해 단열층이 경량화 되면서 발수성이 부여되는 효과가 있다.For example, the hollow filler may have a surface water repellent, which is a silane or silicon-based silane compound, coated on the surface thereof, and in this case, the heat insulation layer is lightened due to the hollow structure, thereby providing water repellency.
상기 세라믹 중공체 필러는 일례로 실리카 50 내지 60 중량%, 알루미나 38 내지 48 중량%, 철 0.1 내지 1 중량% 및 티타늄옥사이드 1 내지 2 중량%로 이루어진 것, 또는 실리카 53 내지 58 중량%, 알루미나 40 내지 45 중량%, 철 0.3 내지 0.7 중량% 및 티타늄옥사이드 1.2 내지 1.7 중량%로 이루어진 것일 수 있고, 이 범위 내에서 경량화 효과가 우수하다.The ceramic hollow filler may include, for example, 50 to 60 wt% silica, 38 to 48 wt% alumina, 0.1 to 1 wt% iron, and 1 to 2 wt% titanium oxide, or 53 to 58 wt% silica, alumina 40 To 45% by weight, may be composed of 0.3 to 0.7% by weight of iron and 1.2 to 1.7% by weight of titanium oxide, it is excellent in the weight reduction effect within this range.
상기 중공체 필러는 일례로 구상 필러일 수 있고, 이 경우에 중공 구조로 인해 단열층이 경량화 되는 효과가 있다.The hollow filler may be a spherical filler, for example, and in this case, the heat insulation layer has an effect of lightening due to the hollow structure.
본 기재에서 구상이란 공과 같이 둥근 모양을 의미한다.In the present description, spherical means a round shape such as a ball.
셀룰로오스 섬유Cellulose fiber
상기 셀룰로오스 섬유는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 1 내지 15 중량%, 2 내지 10 중량%, 또는 3 내지 7 중량%일 수 있고, 이 범위 내에서 압축강도, 부착강도, 내충격성 등의 강도를 향상시키는 효과가 있다.The cellulose fiber may be, for example, 1 to 15% by weight, 2 to 10% by weight, or 3 to 7% by weight based on 100% by weight of the semi-non-combustible heat insulating finish composition. Within this range, compressive strength, adhesion strength, There is an effect of improving the strength, such as impact resistance.
상기 셀룰로오스 섬유는 일례로 다년생 식물에서 뽑아낸 천연섬유로 비수용성이며 화학식은 (C6H10O5)n이고, 바람직하게는 섬유길이가 40 내지 2000 ㎛, 또는 500 내지 1500 ㎛이고, 섬유직경이 20 내지 100 ㎛, 또는 40 내지 80 ㎛일 수 있고, 이 범위 내에서 압축강도, 부착강도, 내충격성 등의 강도를 향상시키는 효과가 우수하다.The cellulose fiber is a natural fiber extracted from a perennial plant, for example, is water-insoluble and has a chemical formula of (C 6 H 10 O 5 ) n , preferably a fiber length of 40 to 2000 ㎛, or 500 to 1500 ㎛, fiber diameter 20 to 100 µm, or 40 to 80 µm, and within this range, the effect of improving the strength such as compressive strength, adhesion strength, impact resistance and the like is excellent.
본 발명에서 섬유길이 및 섬유직경은 광학현미경 또는 주사형 전자 현미경으로 측정할 수 있다.Fiber length and fiber diameter in the present invention can be measured by an optical microscope or a scanning electron microscope.
지방산 금속염Fatty acid metal salts
상기 지방산 금속염은 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 0.5 내지 15 중량%, 1 내지 10 중량%, 또는 2 내지 7 중량%일 수 있고, 이 범위 내에서 발수성이 우수하다.The fatty acid metal salt may be, for example, 0.5 to 15% by weight, 1 to 10% by weight, or 2 to 7% by weight based on 100% by weight of the semi-combustible insulation finish composition, and has excellent water repellency within this range.
상기 지방산 금속염은 일례로 올레인산 아연, 올레인산 칼슘, 올레인산 알루미늄, 스테아린산 아연, 스테아린산 칼슘 및 스테아린산 마그네슘으로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 바람직하게는 스테아린산 아연이고, 이 경우에 발수성을 부여하는 효과가 우수하다.The fatty acid metal salt may be at least one selected from the group consisting of, for example, zinc oleate, calcium oleate, aluminum oleate, zinc stearate, calcium stearate, and magnesium stearate, preferably zinc stearate, and in this case, the effect of imparting water repellency is great.
상기 지방산 금속염은 일례로 입경이 5 ㎛ 이하, 또는 1 내지 5 ㎛일 수 있고, 이 범위 내에서 균일하게 분산되어 발수성이 더욱 향상되는 효과가 있다.For example, the fatty acid metal salt may have a particle diameter of 5 μm or less, or 1 to 5 μm, and may be uniformly dispersed within this range to further improve water repellency.
본 기재의 입경은 달리 정의하지 않는 한 메쉬(mesh)를 이용하여 측정할 수 있다.Particle diameter of the present substrate can be measured using a mesh (unless otherwise defined).
공기연행제Air entrainment
상기 공기연행제는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 1 내지 5 중량%, 1 내지 3 중량%, 또는 1.5 내지 2.5 중량%일 수 있고, 이 범위 내에서 마감재 내에 무수한 미세 기포를 일정하게 분포시키어 작업성(workability)을 개선시키고 동결융해에 대한 저항성이 향상되는 효과가 있다.The air entrainer may be, for example, 1 to 5% by weight, 1 to 3% by weight, or 1.5 to 2.5% by weight relative to a total of 100% by weight of the semi-non-combustible heat insulating finish composition, and countless microbubbles in the finish within this range. By uniformly distributing the effect of improving the workability (workability) and the resistance to freezing and thawing is improved.
상기 공기연행제는 일례로 물속에서 해리되어 계면활성을 발휘하는 기가 음이온의 전하를 갖는 음이온계로서 수지비누, 유산에스테르 및 황화물계 공기연행제, 수용액 중의 활성기가 양이온으로 전하되는 양이온계 공기연행제, 알칼리에 대해서는 음이온 계면활성제로 활동하나 산성에 대해서는 양이온 계면활성제로 활동하는 양성계 공기연행제, 수용액 중에는 이온으로 해리되지 않는 수산기 공기연행제, 에틸렌옥사이드 등을 친수기로 갖고 있는 에테르계 공기연행제 및 에스테르계가 있는 비이온계 공기연행제로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 이 경우에 작업성(workability)을 개선시키고 동결융해에 대한 저항성이 향상되는 효과가 있다.The air entraining agent is, for example, an anionic group having a charge of an anion by dissociating in water and exhibiting surface activity, and is a cationic air entrainer in which an active group in a resin soap, a lactic acid ester and a sulfide-based air entrainer, and an aqueous solution is charged with a cation. , Anionic surfactants that act as anionic surfactants for alkalis but cationic surfactants for acids, ether-based air binders that have hydroxyl groups that do not dissociate into ions in aqueous solutions, and ethylene oxide as hydrophilic groups. And it may be one or more selected from the group consisting of non-ionic air entrainer with ester, in this case there is an effect of improving workability and resistance to freeze-thawing.
상기 공기연행제는 구체적으로 소디움 라우릴설페이트, 소디움 알킬설페이트, 수지비누, 빈졸레진, 다렉스, 프로텍스 및 포조리스로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 이 경우에 작업성(workability)을 개선시키고 동결융해에 대한 저항성이 향상되는 효과가 있다.Specifically, the air entrainer may be at least one selected from the group consisting of sodium lauryl sulfate, sodium alkyl sulfate, resin soap, vinzolesine, darex, protex, and pozzoris, in which case workability is improved. It has the effect of improving the resistance to freezing and thawing.
셀룰로오스 에테르Cellulose ether
상기 셀룰로오스 에테르는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 0.1 내지 5 중량%, 0.3 내지 3 중량%, 또는 0.5 내지 2 중량%일 수 있고, 이 범위 내에서 점도 상승 효과가 우수하면서 물성밸런스가 우수한 효과가 있다.The cellulose ether may be, for example, 0.1 to 5% by weight, 0.3 to 3% by weight, or 0.5 to 2% by weight relative to the total 100% by weight of the semi-non-combustible heat insulating finish composition, while excellent in synergistic effect within this range Physical property balance has an excellent effect.
상기 셀룰로오스 에테르는 일례로 히드록시프로필 메틸 셀룰로오스(hydroxy propyl methyl cellulose), 히드록시에틸 메틸 셀룰로오스(hydroxy ethyl methyl cellulose), 메틸 셀룰로오스(methyl cellulose) 및 히드록시 에틸 셀룰로오스(hydroxy ethyl cellulose)로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 바람직하게는 메틸 셀룰로오스이고, 이 경우에 점도 상승 효과가 우수하면서 물성밸런스가 우수한 효과가 있다.The cellulose ether is for example from the group consisting of hydroxy propyl methyl cellulose, hydroxy ethyl methyl cellulose, methyl cellulose and hydroxy ethyl cellulose It may be one or more selected, preferably methyl cellulose, in this case is excellent viscosity synergistic effect and excellent physical property balance effect.
상기 메틸 셀룰로오스는 친환경적 소재로 목재, 면화에서 얻어진 셀룰로오스(Cellulose)가 원료이며 셀룰로오스(Cellulose)는 분자간 수소 결합으로 인해 30~65%의 결정성을 갖는 불용성의 천연 고분자로, 물에 녹지 않는 셀룰로오스는 에테르화 반응(Etherification)을 통하여 셀룰로오스 분자 내의 수산화기(-OH)를 메톡실기(-OCH3)와 히드록시프로폭실기(-OCH2CH(OH)CH3)로 치환시켜 제조되는 수용성 고분자이다.The methyl cellulose is an environmentally friendly material, and cellulose (Cellulose) obtained from wood and cotton is a raw material. It is a water-soluble polymer prepared by substituting a hydroxyl group (-OH) in a cellulose molecule with a methoxyl group (-OCH 3 ) and a hydroxypropoxy group (-OCH 2 CH (OH) CH 3 ) through etherification.
상기 셀룰로오스 에테르는 일례로 물과의 수화반응을 통해 찬물에는 잘 녹으며, 뜨거운 물에서는 겔화에 의해 분산만 이루어지는 특성이 있다.The cellulose ether is, for example, well soluble in cold water through a hydration reaction with water, and hot water has a property of being dispersed only by gelation.
경화촉진제Curing accelerator
상기 경화촉진제는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 0.01 내지 3 중량%, 0.05 내지 2 중량%, 또는 0.1 내지 1 중량%일 수 있고, 이 범위 내에서 백시멘트와의 화학적 결합이 원활하여 충분한 가사시간이 확보되어 작업성이 우수한 효과가 있다.The curing accelerator may be, for example, 0.01 to 3% by weight, 0.05 to 2% by weight, or 0.1 to 1% by weight based on 100% by weight of the semi-non-combustible insulation finish composition, and chemical bonding with the back cement within this range. This smoothly enough pot life is secured, there is an excellent workability.
상기 경화 촉진제는 일례로 소듐설파이드, 소듐카보네이트, 리튬카보네이트, 리튬라이드록사이드 및 산화알루미늄으로 이루어진 군으로부터 선택된 1종 이상일 수 있고, 바람직하게는 리튬카보네이트일 수 있고, 이 경우에 백시멘트와의 화학적 결합을 촉진하는 효과가 우수하다.The curing accelerator may be at least one selected from the group consisting of, for example, sodium sulfide, sodium carbonate, lithium carbonate, lithiumlide oxide, and aluminum oxide, preferably lithium carbonate, and in this case, chemical with back cement The effect of promoting bonding is excellent.
상기 리튬카보네이트는 일례로 백색의 단사정계 분말일 수 있다.The lithium carbonate may be, for example, a white monoclinic powder.
경화보조제Curing Aid
상기 경화보조제는 일례로 상기 준불연 단열 마감재 조성물 총 100 중량%에 대해 0.01 내지 3 중량%, 0.05 내지 2 중량%, 또는 0.1 내지 1 중량%일 수 있고, 이 범위 내에서 가사시간이 확보되어 작업성이 우수한 효과가 있다.The curing aid may be, for example, 0.01 to 3% by weight, 0.05 to 2% by weight, or 0.1 to 1% by weight relative to the total 100% by weight of the semi-combustible insulation finish composition, the pot life is secured within this range The effect is excellent.
상기 경화보조제는 일례로 칼슘 포메이트, 소듐 포메이트, 포타슘 포메이트 및 마그네슘 포메이트로 이루어지는 군으로부터 선택된 1종 이상일 수 있고, 바람직하게 칼슘 포메이트이고, 이 경우에 가사시간이 확보되어 작업성이 우수한 효과가 있다.The curing aid may be at least one selected from the group consisting of calcium formate, sodium formate, potassium formate and magnesium formate, for example, preferably calcium formate, in which case pot life is ensured and workability Excellent effect.
상기 칼슘 포메이트는 일례로 어는점이 매우 낮아 저온에서의 응결촉진 기능을 수행하므로 내한촉진제로 사용될 수 있으며, 시멘트와 혼합되어 사용되어 어는점 내림의 효과를 부여함과 동시에 강도 증진의 역할을 수행한다. 또한, 칼슘 포메이트는 모두 물에 용해되는 물질로서, 시멘트에 적용시 조기 강도를 증대시키는 역할을 한다.The calcium formate is, for example, very low freezing point to perform the condensation promoting function at low temperatures can be used as a cold-resistant accelerator, it is used in combination with cement to give the effect of lowering the freezing point and at the same time serves to enhance the strength. In addition, calcium formate is a material that is all soluble in water, and serves to increase the early strength when applied to cement.
또한, 본 발명의 준불연 단열 마감재 조성물의 제조방법은 준불연 단열 마감재 조성물 총 100 중량%에 대해 스티로폼 파쇄분 5 내지 30 중량%를 탄산칼슘 3 내지 20 중량%으로 코팅하는 단계; 및 상기 탄산칼슘이 코팅된 스티로폼 파쇄분에 백시멘트 10 내지 40 중량%, 칼슘 알루미네이트 15 내지 45 중량%, 중공체 필러 3 내지 30 중량%, 셀룰로오스 섬유 1 내지 15 중량%, 지방산 금속염 0.5 내지 15 중량%, 공기연행제 1 내지 5 중량%, 셀룰로오스 에테르 0.1 내지 5 중량%, 경화촉진제 0.01 내지 3 중량% 및 경화보조제 0.01 내지 3 중량%을 혼합하여 교반하는 단계;를 포함하는 것을 특징으로 하고 난연성 및 단열성이 우수할 뿐만 아니라 유해물질이 용출되지 않으면서도 압축강도, 부착강도 및 내충격성이 우수하고, 작업 현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공할 수 있어 작업이 용이한 효과가 있다.In addition, the method for producing a semi-non-combustible insulation finish composition of the present invention comprises the steps of coating 5 to 30% by weight of styrofoam crushed powder with calcium carbonate 3 to 20% by weight relative to a total of 100% by weight of the semi-non-combustible insulation finish composition; And the calcium carbonate coated styrofoam crushed powder 10 to 40% by weight, calcium aluminate 15 to 45% by weight, hollow filler 3 to 30% by weight, cellulose fiber 1 to 15% by weight, fatty acid metal salt 0.5 to 15 Mixing and stirring the weight%, 1 to 5% by weight of the air entrainer, 0.1 to 5% by weight of the cellulose ether, 0.01 to 3% by weight of the curing accelerator and 0.01 to 3% by weight of the curing aid; and flame retardant And not only excellent thermal insulation, but also has excellent compressive strength, adhesion strength and impact resistance without eluting harmful substances, and can be easily sprayed or wall-painted on the work site, so that the work is easy.
상기 준불연 단열 마감재 조성물의 제조방법은 일례로 스티로폼을 핀크라샤로 크기가 5 mm 이하, 또는 1 내지 5 mm가 되도록 1차 파쇄 후 함마크라샤로 크기가 0.5 내지 3 mm, 또는 0.5 내지 2 mm가 되도록 2차 파쇄하여 스티로폼 파쇄분을 제조하는 단계를 포함할 수 있고, 이 경우에 혼합이 용이하고 균일하게 혼합되어 단열성능이 우수한 효과가 있다.The method for producing the semi-non-combustible heat insulating finish composition is, for example, the first crushed styrofoam to 5 mm or less, or 1 to 5 mm in size with a pin crusher, 0.5 to 3 mm, or 0.5 to 2 mm in size with a Hammacrasa It may include the step of preparing the styrofoam crushed powder by the secondary crushing, in this case, the mixing is easy and uniformly mixed to have an excellent heat insulating performance.
상기 코팅은 일례로 리본 믹서기로 교반속도 30 내지 80 rpm, 또는 50 내지 60 rpm에서 5분 내지 50분, 10분 내지 30분, 또는 10분 내지 20분 동안 실시될 수 있고, 이 경우에 균일하게 코팅되는 효과가 있다.The coating can be carried out for example 5 minutes to 50 minutes, 10 minutes to 30 minutes, or 10 minutes to 20 minutes at a stirring speed of 30 to 80 rpm, or 50 to 60 rpm with a ribbon mixer, in this case uniformly It has a coating effect.
상기 탄산칼슘이 코팅된 스티로폼 파쇄분에 백시멘트, 칼슘 알루미네이트, 중공체 필러, 셀룰로오스 섬유, 지방산 금속염, 공기연행제, 셀룰로오스 에테르, 경화촉진제 및 경화보조제를 투입하고 교반속도 30 내지 80 rpm, 또는 50 내지 60 rpm에서 10분 내지 60분, 15분 내지 50분, 또는 20분 내지 40분 동안 교반한다.To the styrofoam crushed powder coated with calcium carbonate, a cement, calcium aluminate, hollow filler, cellulose fiber, fatty acid metal salt, air entrainer, cellulose ether, curing accelerator and curing aid were added thereto, and the stirring speed was 30 to 80 rpm, or Stir at 50 to 60 rpm for 10 to 60 minutes, 15 to 50 minutes, or 20 to 40 minutes.
상기 교반은 일례로 리본 믹서기 또는 파우다 교반기에서 실시될 수 있다.The agitation can be carried out in a ribbon mixer or powder stirrer, for example.
상기 스티로폼 파쇄분을 탄산칼슘으로 코팅은 일례로 스티로폼 파쇄분에 미세한 탄산칼슘 입자가 균일하게 분산되어 있는 상태이거나 스티로폼 파쇄분 및 탄산칼슘이 균일하게 혼합되어 있는 상태를 의미할 수 있다.Coating the styrofoam crushed powder with calcium carbonate may mean a state in which fine calcium carbonate particles are uniformly dispersed in the styrofoam crushed powder or a state in which the styrofoam crushed powder and calcium carbonate are uniformly mixed.
또한, 본 발명의 준불연 단열 마감재 조성물의 시공방법은 상기 준불연 단열 마감재 조성물 100 중량부를 기준으로 일례로 물 50 내지 80 중량부, 또는 60 내지 70 중량부를 혼합하여 뿜칠 또는 벽바름 시공하는 것을 특징으로 하고 난연성 및 단열성이 우수할 뿐만 아니라 유해물질이 용출되지 않으면서도 압축강도, 부착강도 및 내충격성이 우수하고, 작업 현장에서 물만 섞어서 용이하게 뿜칠 또는 벽바름 시공할 수 있는 효과가 있다.In addition, the construction method of the semi-non-combustible heat insulating finish composition of the present invention is based on 100 parts by weight of the semi-non-combustible heat insulating finish composition, for example, by mixing 50 to 80 parts by weight, or 60 to 70 parts by weight of water spray or wall coating It is not only excellent in flame retardancy and thermal insulation, but also has excellent compressive strength, adhesion strength and impact resistance without eluting harmful substances, and can be easily sprayed or wall-coated by mixing only water at the work site.
상기 뿜칠 또는 벽바름 시공은 일례로 1회 시공으로 도막 두께 5 내지 35 mm, 10 내지 30 mm, 또는 20 내지 30 mm로 실시할 수 있고, 이 범위 내에서 작업성이 용이한 효과가 있다. For example, the spraying or wall coating can be carried out with a coating thickness of 5 to 35 mm, 10 to 30 mm, or 20 to 30 mm in one application, and there is an effect of easy workability within this range.
상기 뿜칠 또는 벽바름 시공은 일례로 1회 내지 3회, 1회 내지 2회, 또는 1회 실시할 수 있고, 이 범위 내에서 단열성 및 난연성이 우수한 효과가 있다.The spraying or wall coating may be performed once, for example, once to three times, once to two times, or once, and has excellent heat insulation and flame retardancy within this range.
본 기재에서 뿜칠(spray coating)은 도장법의 하나로 압축 공기를 통해 도료를 안개 상태의 미립자 상태로 분무하여 도포하는 공법을 의미한다.In the present description, spray coating refers to a method of spraying a coating material into a particulate state of a fog state through compressed air through one of coating methods.
본 기재에서 벽바름은 건출물의 내외·벽을 미장칼 또는 흙손으로 도료를 도포하는 공법을 의미한다.Wall coating in the present description means a method of coating the paint on the inside and outside of the building with a plaster or trowel.
이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시하나, 하기 실시예는 본 발명을 예시하는 것일 뿐 본 발명의 범주 및 기술사상 범위 내에서 다양한 변경 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속하는 것도 당연한 것이다.Hereinafter, preferred examples are provided to aid the understanding of the present invention, but the following examples are merely to illustrate the present invention, and various changes and modifications within the scope and spirit of the present invention are apparent to those skilled in the art, It is natural that such variations and modifications fall within the scope of the appended claims.
[실시예 1]Example 1
준불연 단열 마감재 조성물의 제조Preparation of Semi-Flame Insulation Finishing Composition
스티로폼을 핀크라샤로 입자 크기가 1 내지 5 mm가 되도록 1차 분쇄한 후, 함마크리샤로 2차 분쇄하여 입자 크기가 0.5 내지 1.5 mm가 되도록 분쇄한 스티로폼 파쇄분을 준비하였다.The styrofoam was first pulverized with a pin crusher to have a particle size of 1 to 5 mm, and then crushed with a hammacrisia to prepare a styrofoam pulverized powder having a particle size of 0.5 to 1.5 mm.
상기 스티로폼 파쇄분 15 중량% 및 탄산칼슘 10 중량%를 리본 믹서기에 투입하여 교반속도 50 rpm으로 10분 동안 스티로폼 파쇄분에 탄산칼슘을 코팅시켰다.15% by weight of the styrofoam crushed powder and 10% by weight of calcium carbonate were added to the ribbon mixer to coat calcium carbonate on the styrofoam crushed powder at a stirring speed of 50 rpm for 10 minutes.
상기 탄산칼슘이 코팅된 스티로폼 파쇄분에 백시멘트 25 중량%, 칼슘 알루미네이트 30 중량%, 중공체 필러 10 중량%, 셀룰로오스 섬유 3 중량%, 스테아린산아연 3 중량%, 공기연행제 1.8 중량%, 메틸셀룰로오스 2 중량%, 리튬카보네이드 0.1 중량% 및 칼슘 포메이트 0.1 중량%를 리본믹서기에 투입하고 교반속도 50 rpm으로 30 분 동안 교반하여 준불연 단열마감재 조성물을 프리믹스(premix) 타입으로 준비하였다.The calcium carbonate coated styrofoam crushed powder 25% by weight, calcium aluminate 30% by weight, hollow filler 10% by weight, cellulose fiber 3% by weight, zinc stearate 3% by weight, air entrainer 1.8% by weight, methyl 2 wt% of cellulose, 0.1 wt% of lithium carbonate and 0.1 wt% of calcium formate were added to a ribbon mixer, and stirred for 30 minutes at a stirring speed of 50 rpm to prepare a semi-combustible heat insulating finish composition as a premix type.
본 발명에서 프리믹스 타입이란 분말의 원료를 균일하게 섞은 혼합물을 의미한다.In the present invention, the premix type means a mixture in which the raw materials of the powder are mixed uniformly.
벽바름 시공Wall paint construction
상기 프리믹스 타입으로 준비한 준불연 단열마감재 조성물 100 중량부에 물 60 중량부를 혼합하여 CRC 보드(Cellulose fiber Reinforced Cement Board)에 두께 25mm로 벽바름 시공을 1회 실시한 후 28일 동안 건조시켜 시료를 제조하였다.60 parts by weight of water was mixed with 100 parts by weight of the semi-non-combustible insulating finish composition prepared as the premix type, and a sample was prepared by performing a wall coating with a thickness of 25 mm on a CRC board (Cellulose fiber Reinforced Cement Board) once and drying for 28 days. .
[비교예 1]Comparative Example 1
퍼라이트 단열몰탈인 "경우몰 KM-100" 100 중량부에 물 70 중량부를 혼합하여 CRC 보드에 두께 25mm로 벽바름 시공을 1회 실시한 후 28일 동안 건조시켜 시료를 제조하였다.70 parts by weight of water was mixed with 100 parts by weight of a case of "Al-Mol KM-100" which is a perlite insulation mortar, and a sample was prepared by performing a wall coating on the CRC board once with a thickness of 25 mm and drying it for 28 days.
[실험예]Experimental Example
[실험 1][Experiment 1]
상기 실시예 1에서 제작된 준불연 단열마감재 조성물로 시공된 시료로 유해물질 용출량을 측정하여 시험결과를 하기 표 1에 정리하였다. Test results are summarized in Table 1 below by measuring the amount of harmful substances eluted with the samples constructed with the semi-non-combustible insulation finish composition prepared in Example 1.
[실험 2][Experiment 2]
상기 실시예 1 및 비교예 1에서 제작된 준불연 단열마감재로 시공된 시료로 압축강도, 부착강도, 내충격성, 난연성, 열전도율 및 비중을 측정하여 하기 표 2에 정리하였다.Compressive strength, adhesion strength, impact resistance, flame retardancy, thermal conductivity and specific gravity were measured in the sample constructed with the semi-non-combustible insulating finish prepared in Example 1 and Comparative Example 1 and summarized in Table 2 below.
시험항목Test Items 실시예 1Example 1 시험방법Test Methods
유해물질용출량(ppm)Hazardous Substance Discharge (ppm) CuCu 검출되지 않음Not detected 폐기물 공정시험법Waste Process Test Method
PbPb 검출되지 않음Not detected
CdCD 검출되지 않음Not detected
CrCr 검출되지 않음Not detected
AsAs 검출되지 않음Not detected
HgHg 검출되지 않음Not detected
시험항목Test Items 재령Age 실시예 1Example 1 비교예 1Comparative Example 1 시험방법Test Methods
압축강도Compressive strength 3일3 days 5 N/cm2 5 N / cm 2 3 N/cm2 3 N / cm 2 KS L 5105-87KS L 5105-87
7일7 days 15 N/cm2 15 N / cm 2 7 N/cm2 7 N / cm 2
28일28 days 20 N/cm2 20 N / cm 2 10 N/cm2 10 N / cm 2
부착강도Adhesion strength 3일3 days 2 N/cm2 2 N / cm 2 0.2 N/cm2 0.2 N / cm 2 KS F 2476-02KS F 2476-02
7일7 days 4 N/cm2 4 N / cm 2 0.7 N/cm2 0.7 N / cm 2
28일28 days 5 N/cm2 5 N / cm 2 1 N/cm2 1 N / cm 2
열전도율Thermal conductivity 14일14 days 0.055 W/m·K 0.055 W / mK 0.071 W/m·K0.071 W / mK KS L 9016-2010KS L 9016-2010
비중importance 14일14 days 0.25 kg/m3 0.25 kg / m 3 0.45 kg/m3 0.45 kg / m 3
내충격성Impact resistance 28일28 days 파손 및 크랙 발생 없음No breaks and cracks 파손 및 크랙 발생 없음No breaks and cracks KS F 4041-99KS F 4041-99
난연성Flame retardant 14일14 days 난연 2급(준불연)Flame retardant class 2 (quasi nonflammable) 난연1급(불연)Flame retardant class 1 (non-flammable) KS F 2271 KS F 2271
상기 표 1에 나타낸 바와 같이, 본 발명에 따라 수득된 실시예 1은 구리, 납, 카드늄 등의 유해성분이 용출되지 않아 친환경적인 준불연 단열 마감재 조성물임을 확인할 수 있었다As shown in Table 1, Example 1 obtained in accordance with the present invention was confirmed that the harmful components such as copper, lead, cadmium is not eluted environmentally friendly semi-combustible insulation finish composition.
또한, 상기 표 2에 나타낸 바와 같이, 본 발명에 따라 수득된 실시예 1은 비교예 1에 비해 재령이 길어질수록 압축강도 및 부착강도가 매우 우수하면서 열전도율 및 비중이 매우 낮아 단열성이 우수한 효과가 있었고 시공이 용이하고 간편하였다..In addition, as shown in Table 2, Example 1 obtained according to the present invention had a superior thermal insulation and low specific gravity and excellent thermal insulation and specific gravity as the age is longer than the comparative example 1 was excellent in thermal insulation Construction was easy and simple.

Claims (15)

  1. 스티로폼 파쇄분 5 내지 30 중량%, 탄산칼슘 3 내지 20 중량%, 백시멘트 10 내지 40 중량%, 칼슘 알루미네이트 15 내지 45 중량%, 중공체 필러 3 내지 30 중량%, 셀룰로오스 섬유 1 내지 15 중량%, 지방산 금속염 0.5 내지 15 중량%, 공기연행제 1 내지 5 중량%, 셀룰로오스 에테르 0.1 내지 5 중량%, 경화촉진제 0.01 내지 3 중량% 및 경화보조제 0.01 내지 3 중량%를 포함하는 것을 특징으로 하는 준불연 단열 마감재 조성물.Styrofoam crushed powder 5-30 wt%, calcium carbonate 3-20 wt%, cement cement 10-40 wt%, calcium aluminate 15-45 wt%, hollow filler 3-30 wt%, cellulose fiber 1-15 wt% Semi-combustible, comprising 0.5 to 15% by weight of fatty acid metal salt, 1 to 5% by weight of air entrainer, 0.1 to 5% by weight of cellulose ether, 0.01 to 3% by weight of curing accelerator and 0.01 to 3% by weight of curing aid Insulation finish composition.
  2. 제1항에 있어서,The method of claim 1,
    상기 스티로폼 파쇄분은 입자 크기가 0.5 내지 3 mm인 것을 특징으로 하는 준불연 단열 마감재 조성물.The styrofoam crushed powder is semi-combustible insulation finish composition characterized in that the particle size is 0.5 to 3 mm.
  3. 제1항에 있어서,The method of claim 1,
    상기 탄산칼슘은 평균입경이 1 내지 3 ㎛인 것을 특징으로 하는 준불연 단열 마감재 조성물.The calcium carbonate semi-combustible insulation finish composition characterized in that the average particle diameter of 1 to 3 ㎛.
  4. 제1항에 있어서,The method of claim 1,
    상기 백시멘트는 포틀랜드 시멘트로 비표면적이 3000 내지 4000 cm2/g, 압축강도(28일)가 40 내지 50 Mpa 및 백색도가 85% 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.Said back cement is a portland cement with a specific surface area of 3000 to 4000 cm 2 / g, a compressive strength (28 days) of 40 to 50 Mpa and whiteness of more than 85% semi-combustible insulation finish composition.
  5. 제1항에 있어서,The method of claim 1,
    상기 칼슘 알루미네이트는 분말도가 4,000 내지 6,000 cm2/g인 것을 특징으로 하는 준불연 단열 마감재 조성물.The calcium aluminate is semi-combustible insulation finish composition, characterized in that the powder degree of 4,000 to 6,000 cm 2 / g.
  6. 제1항에 있어서,The method of claim 1,
    상기 중공체 필러는 입자 크기가 10 내지 150 ㎛인 것을 특징으로 하는 준불연 단열 마감재 조성물.The hollow filler is semi-combustible insulating finish composition, characterized in that the particle size of 10 to 150 ㎛.
  7. 제1항에 있어서,The method of claim 1,
    상기 지방산 금속염은 올레인산아연, 올레인산칼슘, 올레인산알루미늄, 스테아린산아연, 스테아린산칼슘 및 스테아린산마그네슘으로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.The fatty acid metal salt is semi-combustible heat insulating finishing composition, characterized in that at least one selected from the group consisting of zinc oleate, calcium oleate, aluminum oleate, zinc stearate, calcium stearate and magnesium stearate.
  8. 제1항에 있어서,The method of claim 1,
    상기 공기연행제는 음이온계 공기연행제, 양이온계 공기연행제, 양성계 공기연행제, 수산기 공기연행제, 에테르계 공기연행제 및 비이온계 공기연행제로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.The air entrainer is at least one selected from the group consisting of anionic air entrainer, cationic air entrainer, amphoteric air entrainer, hydroxyl group air entrainer, ether air entrainer, and nonionic air entrainer. Semi-non-combustible insulation finish composition.
  9. 제1항에 있어서,The method of claim 1,
    상기 셀룰로오스 에테르는 히드록시프로필 메틸 셀룰로오스(hydroxy propyl methyl cellulose), 히드록시에틸 메틸 셀룰로오스(hydroxy ethyl methyl cellulose), 메틸 셀룰로오스(methyl cellulose) 및 히드록시 에틸 셀룰로오스(hydroxy ethyl cellulose)로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.The cellulose ether is selected from the group consisting of hydroxy propyl methyl cellulose, hydroxyethyl methyl cellulose, hydroxy ethyl methyl cellulose, methyl cellulose and hydroxy ethyl cellulose. Semi-combustible insulation finish composition, characterized in that the species or more.
  10. 제1항에 있어서,The method of claim 1,
    상기 경화촉진제는 소듐설파이드, 소듐카보네이트, 리튬카보네이트, 리튬라이드록사이드 및 산화알루미늄으로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.The curing accelerator is a semi-combustible heat insulating finishing composition, characterized in that at least one selected from the group consisting of sodium sulfide, sodium carbonate, lithium carbonate, lithium chloride oxide and aluminum oxide.
  11. 제1항에 있어서,The method of claim 1,
    상기 경화보조제는 칼슘 포메이트, 소듐 포메이트, 포타슘 포메이트 및 마그네슘 포메이트로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는 준불연 단열 마감재 조성물.The curing aid is a semi-combustible heat insulating finish composition, characterized in that at least one selected from the group consisting of calcium formate, sodium formate, potassium formate and magnesium formate.
  12. 준불연 단열 마감재 조성물 총 100 중량%에 대해 스티로폼 파쇄분 5 내지 30 중량%를 탄산칼슘 3 내지 20 중량%으로 코팅하는 단계; 및 상기 탄산칼슘이 코팅된 스티로폼 파쇄분에 백시멘트 10 내지 40 중량%, 칼슘 알루미네이트 15 내지 45 중량%, 중공체 필러 3 내지 30 중량%, 셀룰로오스 섬유 1 내지 15 중량%, 지방산 금속염 0.5 내지 15 중량%, 공기연행제 1 내지 5 중량%, 셀룰로오스 에테르 0.1 내지 5 중량%, 경화촉진제 0.01 내지 3 중량% 및 경화보조제 0.01 내지 3 중량%을 혼합하여 교반하는 단계;를 포함하는 것을 특징으로 하는 준불연 단열 마감재 조성물의 제조방법.Coating 5 to 30% by weight of styrofoam crushed powder with 3 to 20% by weight of calcium carbonate relative to a total of 100% by weight of the semi-non-combustible insulation finish composition; And the calcium carbonate coated styrofoam crushed powder 10 to 40% by weight, calcium aluminate 15 to 45% by weight, hollow filler 3 to 30% by weight, cellulose fiber 1 to 15% by weight, fatty acid metal salt 0.5 to 15 Mixing and stirring by weight, 1 to 5% by weight of the air entrainer, 0.1 to 5% by weight of the cellulose ether, 0.01 to 3% by weight of the curing accelerator and 0.01 to 3% by weight of the curing aid; Method for producing a non-combustible thermal insulation finish composition.
  13. 제12항에 있어서, The method of claim 12,
    상기 준불연 단열 마감재 조성물의 제조방법은 스티로폼을 핀크라샤로 입자크기 5 mm 이하가 되도록 1차 파쇄한 후 함마크라샤로 입자 크기 0.5 내지 3 mm가 되도록 2차 파쇄하여 스티로폼 파쇄분을 제조하는 단계를 포함하는 것을 특징으로 하는 준불연 단열 마감재 조성물의 제조방법.The method for preparing the semi-non-combustible insulation finish composition is to crush the styrofoam first to the particle size of 5 mm or less with a pin crusher, and then to crush the second to a particle size of 0.5 to 3 mm with a hammacrasa to produce styrofoam crushed powder. Method for producing a semi-non-combustible heat insulating finish composition comprising a.
  14. 제12항에 있어서, The method of claim 12,
    상기 코팅은 리본 믹서기에서 실시되는 것을 특징으로 하는 준불연 단열 마감재 조성물의 제조방법.The coating method of manufacturing a semi-non-combustible insulating finish composition, characterized in that carried out in a ribbon mixer.
  15. 제1항 내지 제11항의 어느 한 항에 의한 준불연 단열 마감재 조성물 100 중량부를 기준으로 물 50 내지 80 중량부를 혼합하여 뿜칠 또는 벽바름 시공하는 것을 특징으로 하는 준불연 단열 마감재 조성물의 시공방법A method of constructing a semi-non-combustible insulation finish composition characterized in that the spraying or wall coating by mixing 50 to 80 parts by weight of water based on 100 parts by weight of the semi-non-combustible insulation finish composition according to any one of claims 1 to 11.
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