KR102181565B1 - adhesive mortar composition for insulation to outer wall of building - Google Patents
adhesive mortar composition for insulation to outer wall of building Download PDFInfo
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- KR102181565B1 KR102181565B1 KR1020190026703A KR20190026703A KR102181565B1 KR 102181565 B1 KR102181565 B1 KR 102181565B1 KR 1020190026703 A KR1020190026703 A KR 1020190026703A KR 20190026703 A KR20190026703 A KR 20190026703A KR 102181565 B1 KR102181565 B1 KR 102181565B1
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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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
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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
- C04B14/06—Quartz; Sand
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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
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
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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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2682—Halogen containing polymers, e.g. PVC
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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
- 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
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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
- C04B28/04—Portland 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/40—Surface-active agents, dispersants
- C04B2103/408—Dispersants
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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
- C04B2103/50—Defoamers, air detrainers
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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
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
Abstract
본 발명은 고분자 아크릴 에멀젼수지 A 10-20 중량%, 고분자 에멀젼수지 B 1-10 중량%, 고강도 내열 섬유 0.1-2 중량%, 규사 40-60 중량%, 소포제 0.05-0.1 중량%, 메틸셀룰로우즈 0.1-1 중량%, 분산제 및 방부제 0.1-1 중량% 및 물 20-30 중량%를 포함하는 것을 특징으로 하는 외벽단열용 접착 몰탈 조성물에 관한 것이다.The present invention is a polymer acrylic emulsion resin A 10-20% by weight, a polymer emulsion resin B 1-10% by weight, high strength heat-resistant fiber 0.1-2% by weight, silica sand 40-60% by weight, antifoaming agent 0.05-0.1% by weight, methylcellulose It relates to an adhesive mortar composition for external wall insulation comprising 0.1-1% by weight of woods, 0.1-1% by weight of a dispersant and preservative, and 20-30% by weight of water.
Description
본 발명은 각종 건축물의 외벽단열용으로 이용하기 위해 높은 기계적 강도 및 방수성을 지닌 접착 몰탈 조성물에 관한 것으로, 고강도 내열 섬유 및 고분자 에멀젼 수지를 사용하며, 시멘트 혼합용으로 사용하는 외벽단열용 접착 몰탈 조성물에 관한 것이다.The present invention relates to an adhesive mortar composition having high mechanical strength and water resistance for use as an external wall insulation of various buildings, using high-strength heat-resistant fiber and a polymer emulsion resin, and an adhesive mortar composition for external wall insulation used for cement mixing It is about.
일반적으로 건축물의 외벽은 콘크리트, 석재, 목재, 타일 등을 이용하여 마감되고, 그 밖에 제10-1035973호 등에 개시된 바와 같은 외단열 패널이 이용되기도 한다.In general, the exterior wall of a building is finished using concrete, stone, wood, tile, etc., and other external insulation panels such as disclosed in No. 10-1035973 may be used.
그러나 외단열 패널은 경제적이고, 에너지 손실이 적으며, 내구성이 우수한 장점이 있지만 건물의 외벽 전체에 패널간 이음 부분이 발생하기 때문에 단열 효과가 낮고, 크랙이나 탈락을 유발하는 단점이 있다.However, the external insulation panel has advantages of economical, low energy loss, and excellent durability, but has a disadvantage of low insulation effect and causing cracks or droppings because joints between panels are generated over the entire exterior wall of a building.
또한, 건물의 외벽에 몰탈을 이용하여 단열재를 부착하고, 그 위에 중간층을 도포한 후 마감재를 부착하기도 하는데, 종래기술에 따른 몰탈은 내충격성, 내열성 및 방수성이 취약하여 하자가 발생하기 쉬운 문제점이 있었다.In addition, an insulation material is attached to the outer wall of a building using mortar, and an intermediate layer is applied thereon, and then a finishing material is attached.The mortar according to the prior art has a problem that is prone to defects due to its poor impact resistance, heat resistance, and water resistance. there was.
본 발명은 상기 문제를 해결하기 위해 안출된 것으로, 크랙 저항성, 내충격성, 내열성 및 방수성이 우수하여 건물의 외벽단열용으로 적합한 접착 몰탈 조성물을 제공하는 것을 해결 과제로 한다.The present invention has been conceived to solve the above problem, and has excellent crack resistance, impact resistance, heat resistance, and waterproofness, so as to provide an adhesive mortar composition suitable for insulation of exterior walls of buildings.
전술한 기술적 과제를 해결하기 위한 수단으로서,As a means to solve the above technical problem,
본 발명은 고분자 아크릴 에멀젼수지 A 10-20 중량%, 고분자 에멀젼수지 B 1-10 중량%, 고강도 내열 섬유 0.1-2 중량%, 규사 40-60 중량%, 소포제 0.05-0.1 중량%, 메틸셀룰로우즈 0.1-1 중량%, 분산제 및 방부제 0.1-1 중량% 및 물 20-30 중량%를 포함하는 것을 특징으로 하는 외벽단열용 접착 몰탈 조성물을 제공한다.The present invention is a polymer acrylic emulsion resin A 10-20% by weight, a polymer emulsion resin B 1-10% by weight, high strength heat-resistant fiber 0.1-2% by weight, silica sand 40-60% by weight, antifoaming agent 0.05-0.1% by weight, methylcellulose It provides an adhesive mortar composition for outer wall insulation comprising 0.1-1% by weight of wood, 0.1-1% by weight of a dispersant and preservative, and 20-30% by weight of water.
이 경우, 상기 고분자 아크릴 에멀젼수지 A는 MMA(Methyl MethaAcrylate)를 포함할 수 있다. In this case, the polymeric acrylic emulsion resin A may contain MMA (Methyl MethaAcrylate).
이 경우, 상기 고분자 에멀젼수지 B는 소수성을 갖는 염화비닐 공중합 아크릴수지일 수 있다.In this case, the polymer emulsion resin B may be a vinyl chloride copolymerized acrylic resin having hydrophobicity.
이 경우, 상기 고강도 내열 섬유는 유리섬유(glass fiber), 탄소섬유(carbon fiber), 아라미드섬유(aramid fiber), PBO(Polyphenylene-2,6-benzbiisoxazole) 중에서 선택된 1종 이상일 수 있다.In this case, the high-strength heat-resistant fiber may be at least one selected from glass fiber, carbon fiber, aramid fiber, and polyphenylene-2,6-benzbiisoxazole (PBO).
본 발명의 외벽단열용 접착 몰탈 조성물은 무기질 소재는 물론 금속성 소재에도 부착성이 뛰어날 뿐만 아니라, 충격이나 균열에 대한 저항성이 있어 기계적 고강도를 가질 수 있으며, 내수성이 좋아 장마철의 빗물이나 겨울철 눈에 의해 외부에서 침투하는 비교적 큰 물방울 입자의 침투를 차단하면서도 내부에서 발생되는 작은 입자의 증기는 효과적으로 배출하는 방수 및 발수 성능을 갖고, 나아가 내열 성능을 갖는 효과가 있다.The adhesive mortar composition for outer wall insulation of the present invention not only has excellent adhesion to inorganic materials as well as metallic materials, but also has mechanical high strength due to its resistance to impact or cracking, and has good water resistance, caused by rain in rainy season or snow in winter. While blocking the penetration of relatively large water droplets penetrating from the outside, the vapor of small particles generated from the inside is effectively discharged, has waterproof and water repellent properties, and further has an effect of having heat resistance.
또한, 일반 건물 또는 초고층 건물의 외벽에 시공시, 진동과 충격 등에 의한 탈락이 발생하지 않고, 내수성 약화에 의한 탈락이 발생하지 않으며, 수축에 의한 크랙 발생 등의 문제에 견딜 수 있는 효과가 있다.In addition, when it is installed on the outer wall of a general building or a high-rise building, dropping does not occur due to vibration and shock, does not fall off due to weakening of water resistance, and there is an effect that can withstand problems such as crack generation due to shrinkage.
도 1은 본 발명에 따른 외벽단열용 접착 몰탈 조성물의 고강도 내열 섬유의 결합 구조를 나타낸 모식도.1 is a schematic view showing the bonding structure of high-strength heat-resistant fibers of the adhesive mortar composition for outer wall insulation according to the present invention.
이하, 본 발명의 외벽단열용 접착 몰탈 조성물에 관하여 보다 상세히 설명한다.Hereinafter, the adhesive mortar composition for external wall insulation of the present invention will be described in more detail.
본 발명의 외벽단열용 접착 몰탈 조성물은 고분자 아크릴 에멀젼수지 A 10-20 중량%, 고분자 에멀젼수지 B 1-10 중량%, 고강도 내열 섬유 0.1-2중량%, 규사 40-60 중량%, 소포제 0.05-0.1 중량%, 메틸셀룰로우즈 0.1-1 중량%, 분산제 및 방부제 0.1-1 중량%, 그리고 물 20 내지 30 중량%을 포함한다.The adhesive mortar composition for outer wall insulation of the present invention is a polymer acrylic emulsion resin A 10-20 wt%, a polymer emulsion resin B 1-10 wt%, a high strength heat-resistant fiber 0.1-2 wt%, a silica sand 40-60 wt%, a defoaming agent 0.05- 0.1% by weight of methylcellulose, 0.1-1% by weight of methylcellulose, 0.1-1% by weight of a dispersant and preservative, and 20 to 30% by weight of water.
고분자 아크릴 에멀젼수지 A는 접착성과 작업성능이 우수한 아크릴계 수지로서, 상온에서 도막이 형성되도록 Tg값이 -15℃ 내지 +20℃인 것이 바람직하다.Polymeric acrylic emulsion resin A is an acrylic resin having excellent adhesion and workability, and preferably has a Tg value of -15°C to +20°C so that a coating film is formed at room temperature.
이러한 고분자 아크릴 에멀젼수지 A는 MMA(Methyl MethaAcrylate)를 주성분으로 포함하고, 전체 조성물 대비 10 내지 20 중량% 포함되는 것이 부착성이나 제조원가 측면에서 바람직하다.This polymer acrylic emulsion resin A contains MMA (Methyl MethaAcrylate) as a main component, and it is preferable in terms of adhesion and manufacturing cost to contain 10 to 20% by weight of the total composition.
고분자 에멀젼수지 B는 경화 후 소수성을 갖는 다공막을 형성하여 비교적 입자가 큰 물방울의 침투는 차단하고, 미세 크기의 기체 수증기는 투과하여 방수 및 발수 성능을 향상시키기 위한 수 마이크로미터 크기의 고분자량 수지로서, MFT(최저 조막 온도, Minimun Film forming Temperature)값이 -10℃ 내지 +10℃ 범위인 것이 바람직하다.Polymer emulsion resin B is a high molecular weight resin with a size of several micrometers to improve waterproof and water repellency by forming a hydrophobic porous membrane after curing to block the penetration of relatively large water droplets, and to permeate fine gas water vapor. , It is preferable that the MFT (minimum film forming temperature, Minimun Film forming Temperature) value is in the range of -10°C to +10°C.
상기 고분자 에멀젼수지 B는 전체 조성물 대비 1 내지 10 중량% 포함되는 것이 바람직하다. 고분자 에멀젼수지 B의 함량이 1 중량% 미만이면 방수 효과가 거의 없고, 10 중량%를 초과할지라도 기대하는 발수 성능을 추가로 얻을 수 없다.The polymer emulsion resin B is preferably contained in 1 to 10% by weight of the total composition. If the content of the polymer emulsion resin B is less than 1% by weight, there is little waterproof effect, and even if it exceeds 10% by weight, the expected water repellency performance cannot be additionally obtained.
이러한 고분자 에멀젼수지 B로는 소수성 염화비닐 공중합 아크릴수지를 예로 들 수 있다.Examples of such polymer emulsion resin B include hydrophobic vinyl chloride copolymerized acrylic resin.
고강도 내열 섬유는 도 1에 도시된 바와 같이 초미세 다공질의 사이징제로 결합시켜 제조함으로써 수축에 의한 크랙 저항성 및 외부 충격과 고온에 대한 저항성을 갖고, 강도를 향상시키는 역할을 하는 것으로, 유리섬유(glass fiber), 탄소섬유(carbon fiber), 아라미드섬유(aramid fiber), PBO(Polyphenylene-2,6-benzbiisoxazole) 중에서 선택되는 1종 이상을 사용할 수 있다.The high-strength heat-resistant fiber is manufactured by bonding with an ultra-fine porous sizing agent as shown in FIG. 1 to have crack resistance due to shrinkage and resistance to external impacts and high temperatures, and to improve strength. fiber), carbon fiber, aramid fiber, and polyphenylene-2,6-benzbiisoxazole (PBO).
고강도 내열 섬유의 길이는 0.1 내지 30mm 인 것이 바람직하고, 0.5 내지 15mm인 것이 더욱 바람직하다. 고강도 내열 섬유의 길이가 0.5mm 미만이면 강도 보강 효과가 미미하고, 15mm 초과이면 도장 작업성에 영향을 미친다.The length of the high-strength heat-resistant fiber is preferably 0.1 to 30 mm, more preferably 0.5 to 15 mm. If the length of the high-strength heat-resistant fiber is less than 0.5 mm, the strength reinforcing effect is insignificant, and if it exceeds 15 mm, the coating workability is affected.
고강도 내열 섬유는 전체 조성물 대비 0.1 내지 2 중량% 포함된다. 고강도 내열 섬유의 함량이 2 중량% 초과이면 급격한 점성 향상으로 작업성에 영향을 준다.The high-strength heat-resistant fiber is included in an amount of 0.1 to 2% by weight based on the total composition. If the content of the high-strength heat-resistant fiber exceeds 2% by weight, the workability is affected by rapid viscosity improvement.
상술한 바와 같은 고강도 내열 섬유를 사용하면 배합시 혼합되는 시멘트와의 강한 결합력을 갖게 되고, 이로 인해 몰탈이 내충격성 및 내진동성을 가지게 되며, 방수성 및 내열성이 향상된다.When the high-strength heat-resistant fiber as described above is used, it has a strong bonding force with the cement to be mixed during blending, and thus the mortar has impact resistance and vibration resistance, and waterproof and heat resistance are improved.
규사는 전체 조성물 대비 40 내지 60 중량% 포함된다. 규사의 함량이 40 중량% 미만이면 강도가 떨어지고, 60 중량% 초과이면 부착불량이 발생된다. 한편, 규사의 입자크기는 시공시 표면이 매끈하고 작업성능이 우수할 수 있도록 0.1 내지 0.4mm 인 것이 바람직하다. The silica sand contains 40 to 60% by weight of the total composition. If the content of the silica sand is less than 40% by weight, the strength decreases, and if it exceeds 60% by weight, adhesion failure occurs. On the other hand, the particle size of the silica sand is preferably 0.1 to 0.4mm so that the surface is smooth during construction and the work performance is excellent.
소포제는 몰탈 혼합시 발생하는 기포의 생성을 억제하고, 이미 생성된 기포를 신속히 제거하기 위한 것으로 효과적인 소포 성능을 얻을 수 있도록 전체 조성물 대비 0.05 내지 0.1 중량% 포함된다.The antifoaming agent is for suppressing the generation of air bubbles generated during mortar mixing and for quickly removing already generated air bubbles, and is included in an amount of 0.05 to 0.1% by weight of the total composition so as to obtain effective antifoaming performance.
메틸셀룰로우즈는 알칼리 조건에서 증점되어 점착력과 보습성을 가지도록 하는 첨가제로서 전체 조성물 대비 0.1 내지 1 중량% 포함된다. 메틸셀룰로우즈의 함량이 0.1 중량% 미만이면 양생불량이 발생하고, 1 중량% 초과이면 점착성이 너무 커져 작업성이 저하되는 문제가 있다.Methylcellulose is an additive that thickens under alkaline conditions to have adhesive strength and moisturizing properties, and contains 0.1 to 1% by weight of the total composition. If the content of methylcellulose is less than 0.1% by weight, poor curing occurs, and if it exceeds 1% by weight, there is a problem that the adhesiveness is too large and workability is deteriorated.
분산제 및 방부제는 전체 조성물 대비 0.1 내지 1 중량% 포함된다. 분산제 및 방부제의 함량이 0.1 중량% 미만이면 분산효과와 저장성이 떨어지고, 1 중량% 초과이면 물성에 부정적인 영향을 끼친다.Dispersants and preservatives are included in an amount of 0.1 to 1% by weight based on the total composition. If the content of the dispersant and preservative is less than 0.1% by weight, the dispersing effect and storage properties are deteriorated, and if it exceeds 1% by weight, the physical properties are negatively affected.
물은 전체 조성물 대비 20 내지 30중량% 포함된다. 물의 함량이 20 중량% 미만이면 과도한 점성으로 작업성이 떨어지고, 30 중량% 초과이면 건조시간과 보관중 침강이 우려된다.Water is included in 20 to 30% by weight of the total composition. If the water content is less than 20% by weight, workability is degraded due to excessive viscosity, and if it is more than 30% by weight, drying time and sedimentation during storage are concerned.
본 발명의 외벽단열용 접착 몰탈 조성물은 시멘트와 혼합하여 사용된다. 상기 시멘트는 주로 석회질 원료와 점토질 원료를 적당한 비율로 혼합하여 미분쇄한 후 그 일부가 용융할 때까지 약 1,450℃에서 소성하여 얻어지는 클링커에, 응결조절제로서 약간의 석고를 가하여 미분쇄하여 제조되고 주로 석회(CaO), 실리카(SiO2), 알루미나(Al2O3) 및 산화철(Fe2O3) 등으로 이루어지는 포틀랜드 시멘트가 바람직하다. 본 발명의 외벽단열용 접착 몰탈 조성물 및 시멘트는 50 : 50의 중량비율로 혼합 사용하는 것이 바람직하며, 필요시 5% 이내의 물을 혼합하여 사용한다.The adhesive mortar composition for external wall insulation of the present invention is used by mixing with cement. The cement is mainly manufactured by pulverizing a clinker obtained by mixing calcareous raw materials and clay raw materials in an appropriate ratio and pulverizing and firing at about 1,450°C until some of them melt, adding a little gypsum as a setting control agent to finely pulverize. Portland cement made of lime (CaO), silica (SiO 2 ), alumina (Al 2 O 3 ), iron oxide (Fe 2 O 3 ), and the like is preferred. The adhesive mortar composition and cement for external wall insulation of the present invention are preferably mixed in a weight ratio of 50:50, and if necessary, water within 5% is mixed and used.
이하, 구체적인 실시예 및 비교예를 통하여 본 발명을 상세히 설명하며, 이러한 실시예들은 단지 본 발명을 예시하기 위한 것으로 본 발명의 범위를 제한하는 것으로 해석되어서는 안된다.Hereinafter, the present invention will be described in detail through specific examples and comparative examples, and these examples are for illustrative purposes only and should not be construed as limiting the scope of the present invention.
하기 실시예 및 비교예에 의해 제조된 몰탈의 특성을 다음과 같이 측정하였다.The properties of the mortar prepared by the following Examples and Comparative Examples were measured as follows.
(1) 압축강도 (㎏/㎠)(1) Compressive strength (㎏/㎠)
소정의 양의 물과 시멘트를 혼합한 몰탈을 이용하여 KS L 5105과 같이 5x5x5㎝ 규격의 큐브몰드 5개를 만들고, 4주 동안의 양생이 끝난 후 압축 강도를 측정하였다.Using a mortar mixed with a predetermined amount of water and cement, five cube molds of 5x5x5cm standard were made as in KS L 5105, and the compressive strength was measured after curing for 4 weeks was completed.
(2) 부착강도(㎏/㎠)(2) Adhesion strength (㎏/㎠)
KS F 4716에 따라 단열보드 위에 혼합된 몰탈을 두께 1㎜로 도포하고, 2주 동안 양생한 다음 어테취먼트를 부착하여 부착강도를 측정하였다.In accordance with KS F 4716, the mixed mortar was applied to a thickness of 1 mm on the insulation board, cured for 2 weeks, and then an attachment was attached to measure the adhesion strength.
(3) 흡수율((3) Water absorption ( %% ))
상기 몰탈의 양생이 끝난 후 무게(Wi)를 0.1g까지 측정하고, 22시간 침수 후 물기를 깨끗하게 닦은 다음 무게(Ws)를 0.1g까지 측정하여 아래의 식을 통해 계산하였다.After the mortar was cured, the weight (Wi) was measured to 0.1 g, and after immersion for 22 hours, the moisture was wiped clean, and the weight (Ws) was measured to 0.1 g and calculated by the following equation.
흡수율(%) = (Ws - Wi) / Wi * 100Absorption rate (%) = (Ws-Wi) / Wi * 100
실시예Example 1 One
하기의 [표 1]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 1].
실시예Example 2 2
하기의 [표 2]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 2].
비교예Comparative example 1 One
하기의 [표 3]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 3].
비교예Comparative example 2 2
하기의 [표 4]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 4].
비교예Comparative example 3 3
하기의 [표 5]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 5].
비교예Comparative example 4 4
하기의 [표 6]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 6].
비교예Comparative example 5 5
하기의 [표 7]의 성분과 함량으로 외벽단열용 접착 몰탈 조성물을 제조하였다.An adhesive mortar composition for external wall insulation was prepared with the components and contents of the following [Table 7].
하기의 [표 8]에는 상기 실시예 및 비교예에 의해 제조한 몰탈 조성물의 압축강도, 부착강도 및 흡수율을 나타내었다.Table 8 below shows the compressive strength, adhesion strength, and water absorption of the mortar composition prepared according to the Examples and Comparative Examples.
(중량%)Mixing
(weight%)
Claims (4)
상기 고분자 에멀젼수지 B는 -10℃ 내지 10℃의 최저 조막 온도(MFT)를 가지며,
상기 고강도 내열 섬유는 초미세 다공질의 사이징제로 결합시켜 제조된 것을 특징으로 하는 외벽단열용 접착 몰탈 조성물.Polymer acrylic emulsion resin A 10-20 wt%, Polymer emulsion resin B 1-10 wt%, High strength heat-resistant fiber 0.1-2 wt%, Silica sand 40-60 wt%, Defoamer 0.05-0.1 wt%, Methylcellulose 0.1- 1% by weight, 0.1-1% by weight of a dispersant and preservative, and 20-30% by weight of water,
The polymer emulsion resin B has a minimum film forming temperature (MFT) of -10 ℃ to 10 ℃,
The high-strength heat-resistant fiber is an adhesive mortar composition for outer wall insulation, characterized in that produced by bonding with a sizing agent of ultra-fine porous.
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