KR20040067217A - adiabatic powderedmortar for outer walls of buildings - Google Patents

adiabatic powderedmortar for outer walls of buildings Download PDF

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KR20040067217A
KR20040067217A KR1020030004229A KR20030004229A KR20040067217A KR 20040067217 A KR20040067217 A KR 20040067217A KR 1020030004229 A KR1020030004229 A KR 1020030004229A KR 20030004229 A KR20030004229 A KR 20030004229A KR 20040067217 A KR20040067217 A KR 20040067217A
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powder
mortar
outer walls
weight
mixing
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KR1020030004229A
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KR100549403B1 (en
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김용국
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김용국
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0808Details thereof, e.g. surface characteristics

Abstract

PURPOSE: Provided is powder type mortar for heat insulation of outer walls, which permits mortar to be handled in the form of a sack so that quality of the mortar is stabilized, use of the mortar is facilitated, and adhesion of the mortar is increased. CONSTITUTION: The powder type mortar for heat insulation of outer walls is prepared by the method comprising the steps of: mixing 0.5-0.8 wt% of methyl cellulose powder as a thickener, 0.1-0.2 wt% of an alkoxylated fatty alcohol powder as a defoaming agent, 6.0-10.0 wt% of calcium carbonate powder, 85.0-90.0 wt% of silica powder and 3.0-5.0 wt% of a powdery acrylic resin; mixing the mixture obtained in the preceding step with cement powder in the ratio of 1:2.

Description

외벽 단열용 분말형 몰탈 {adiabatic powderedmortar for outer walls of buildings}Powdered mortar for outer wall insulation {adiabatic powderedmortar for outer walls of buildings}

본 발명은 각종 건축물의 외벽에 단열의 목적으로 시공되는 몰탈에 관한 것으로, 특히 증점제와 소포제 및 증탄제, 접착제 등을 분말화하여 이를 시멘트와 혼합 형성한 분말형 몰탈을 제공함으로서, 분말 몰탈을 시공현장에서 물과 혼합 사용하기만 하면 액상몰탈의 사용이 가능하므로, 품질의 표준화 및 물류비를 절감하면서도 폐기물의 발생을 최소화하게 되는 것이다.The present invention relates to a mortar which is constructed for the purpose of thermal insulation on the outer wall of various buildings, in particular, by providing a powder mortar by powdering thickener, antifoaming agent, carburizing agent, adhesive and the like and mixing it with cement, constructing powder mortar Liquid mortar can be used simply by mixing with water in the field, thereby minimizing waste generation while reducing standardization and logistics costs.

각종 건축물 즉, 사무실이나 아파트, 오피스텔, 창고 등의 외벽에는 내부 열효율을 향상시키기 위한 단열을 목적으로 몰탈층을 시공하고 있는 것이다.Mortar layers are installed on the outer walls of various buildings, that is, offices, apartments, officetels, warehouses, etc. for the purpose of thermal insulation to improve internal thermal efficiency.

이러한 몰탈은 통상적으로 일정한 비율의 증점제와 소포제, 접착제 등이 혼합되어 이루어진 것으로서, 액상의 몰탈은 합성수지상의 용기에 담겨져 공급되고 있는 것이다.Such mortar is a mixture of thickener, antifoaming agent, adhesive, and the like in a certain ratio, and the liquid mortar is supplied in a container on a synthetic resin.

이러한 액상의 몰탈은 통상적으로 현장에서 직접 시멘트와 물을 적당 비율로혼합하여 사용하는 것이 일반적이며, 이러한 혼합몰탈층은 건축물의 단열을 효과적으로 이루어지게 하여 에너지 효율을 향상시키는 것으로 알려져 있는 것이다.Such liquid mortar is generally used to mix cement and water in an appropriate ratio directly on site, and the mixed mortar layer is known to improve energy efficiency by effectively insulating buildings.

그러나, 전기한 바와 같은 통상의 몰탈은 액상으로 만들어져 반드시 합성수지 용기에 담겨져 취급되어야 하므로 이에 다른 물류비의 과다 소요는 물론 현장에서 시멘트와 물을 적당비율로 혼합 사용하여야 하므로 번거로움은 물론 부적절한 비율의 혼합시 단열 효과가 일정치 않은 문제점이 있는 것이다.However, since the mortar as described above must be made in a liquid phase and must be handled in a synthetic resin container, it is necessary to mix cement and water in an appropriate ratio on the site as well as to take an excessive amount of logistical costs. When the thermal insulation effect is not a constant problem.

또한, 상기한 합성수지 용기는 액상몰탈의 사용후 폐기되어야 하므로 이에 따른 환경오염이 심각한 문제점이 있는 것이다.In addition, the synthetic resin container has to be disposed of after the use of the liquid mortar, so that there is a serious problem of environmental pollution.

특히, 전기한 액상몰탈을 사용하는 경우 동절기에는 많은 량의 물과 혼합사용되므로 양생시간이 늦고 균열 및 부풀음이 발생하여 재시공 및 보수공사를 하여야 하는 문제점이 있는 것이다.In particular, in the case of using the above-mentioned liquid mortar is mixed with a large amount of water in winter, there is a problem that the curing time is delayed, cracks and swelling occur, and reconstruction and repair work.

본 발명은 전기한 바와 같은 문제점을 제거코자 안출된 것으로서, 액상의 몰탈을 분말화하고 이에 시멘트를 일정비율로 혼합하여 몰탈의 포대취급을 가능케 하므로, 용이한 사용 및 품질의 안정화는 물론 물류비의 현저한 감소효과를 갖게 하며, 포대의 재사용에 따른 환경친화성이 있으며, 접착력이 뛰어나 동절기에도 신속한 양생이 가능하여 동절기 사용이 가능한 효과가 있는 외벽 단열용 분말형 몰탈을 제공함에 본 발명의 목적이 있는 것이다.The present invention was devised to eliminate the problems as described above, by powdering the liquid mortar and mixing the cement in a certain ratio to enable the handling of the mortar bag, easy use and stabilization of quality as well as significant logistics costs It is an object of the present invention to provide a powder-type mortar for outer wall insulation that has a reducing effect, has an environmental friendliness according to the reuse of the bag, excellent adhesion and fast curing even in winter season can be used in winter season. .

또한, 본 발명은 종래의 액상 몰탈을 단순히 분말화 한것이 아니라, 종래와는 전혀 다른 혼합제를 사용하여 몰탈의 분말화를 가능케 함은 물론, 시공성을 크게 향상시킨 것이다.In addition, the present invention does not merely powder the conventional liquid mortar, but enables the powder of the mortar by using a completely different mixing agent, and of course, greatly improves the workability.

이하, 본 발명의 바람직한 실시예를 설명한다.Hereinafter, preferred embodiments of the present invention will be described.

본 발명 분말형 몰탈은, 증점제인 메틸셀룰로오스와; 저점도인 fatty alcohol alkoxylated의 소포제와; 접착강도를 강화하기 위한 탄산칼슘 및 규사와; 접착력 강화는 물론 방수와 피막형성 효과를 갖는 아크릴 수지를 일정비율로 혼합하여, 이를 시멘트와 혼합 완성한 것으로서,Powdered mortar of this invention is methylcellulose which is a thickener; Antifoaming agent of low viscosity fatty alcohol alkoxylated; Calcium carbonate and silica sand to enhance adhesion strength; As a result of mixing the acrylic resin having a waterproofing and film forming effect as well as strengthening the adhesion at a certain ratio, and mixed with cement,

메틸셀룰로오스분말 0.5~0.8중량%, fatty alcohol alkoxylated분말 0.1~0.2중량%, 탄산칼슘분말 6.0~10.0중량%, 규사분말 85.0~90.0중량%, 아크릴분말수지 3.0~5.0중량%를 혼합하여, 그 혼합물과 시멘트분말을 1:2의 비율로 혼합 형성한 것이다.0.5 to 0.8% by weight of methyl cellulose powder, 0.1 to 0.2% by weight of fatty alcohol alkoxylated powder, 6.0 to 10.0% by weight of calcium carbonate powder, 85.0 to 90.0% by weight of silica sand powder, 3.0 to 5.0% by weight of acrylic powder resin And cement powder is mixed at a ratio of 1: 2.

여기서, 증점제로 사용되는 메틸셀룰로오스(methyl cellulose)는, 알칼리 존재하에서 셀룰로오스에 디메틸황산을 작용시켜 합성하는데, 제조 조건에 따라 치환도가 다른 여러 가지 메틸셀룰로오스가 생긴다. 일반적으로 백색이나, 메틸화 정도에 따라 다소 다르다.Here, methyl cellulose used as a thickener is synthesized by acting dimethyl sulfuric acid on cellulose in the presence of alkali, and various methyl celluloses having different degrees of substitution are produced depending on the production conditions. Generally white, but somewhat dependent on the degree of methylation.

치환도 0.1~0.9(OCH3이 2∼16%)의 것은 4~10% 수산화나트륨 수용액에 녹고, 1.6~2.0(OCH3이 26.5∼32.6%)의 것은 찬물에 녹으며, 2.4∼2.6(OCH3이 34∼38%)의것은 유기용매에 녹아 끈끈한 용액이 된다. 수용성인 것은 풀 ·점조제(粘稠劑) ·화장품 ·식품 등에 사용되고, 알칼리에 녹는 것은 피륙의 가장자리를 굳히거나 필름제조 등에 사용된다.The substitution degree of 0.1-0.9 (2-16% of OCH3) is dissolved in 4-10% sodium hydroxide solution, 1.6-2.0 (26.5-32.6% of OCH3) is dissolved in cold water, and 2.4-2.6 (OCH3 is 34 38%) is dissolved in an organic solvent to form a sticky solution. Water-soluble ones are used for pastes, viscous agents, cosmetics, foods, etc., and those dissolved in alkali are used for hardening the edges of a film and for film making.

또한, 저점도의 fatty alcohol alkoxylated은 소포제로서,In addition, low viscosity fatty alcohol alkoxylated is an antifoaming agent,

몰탈에 있어 기포를 안정화시키는 물질을 없애는 것은 본질적으로 불가능하기 때문에, 기포 형성을 막기 위해서 혹은 기포가 발생한 몰탈의 기포를 빨리 제거하기 위해서는 소포제를 사용해야 한다.Since it is inherently impossible to eliminate foam stabilizing substances in mortar, an antifoaming agent should be used to prevent the formation of bubbles or to quickly remove bubbles from the mortar in which bubbles are generated.

소포제는 낮은 표면장력을 지닌 액체로, 일반적으로 액상내에서 비용해성이어야 하고, 침투계수(Entering coefficient)가 양성이어야 하며, 확산계수(Spreading coefficient)가 양성이어야 하는 것이다.Defoamers are liquids with low surface tension, generally non-soluble in the liquid phase, having a positive Entering coefficient and a positive Spreading coefficient.

침투계수(Entering coefficient)가 양성일 때 소포제는 기포막 속으로 침투해 간다. 그리고 추가적으로 확산계수(Spreading coefficient)가 양성이면, 소포제는 계면에서 활성적으로 퍼진다. 이러한 확산 효과에 의해 기포를 안정화하는 계면활성제를 밀어내고, 자체탄성과 안정화 물질에 의해 안정화된 기포막은 감소된 결합력과 표면장력이 낮은 기포층으로 변화하게 된다.The antifoam penetrates into the bubble membrane when the Entering coefficient is positive. In addition, if the spreading coefficient is positive, the antifoaming agent is actively spread at the interface. By the diffusion effect, the surfactant stabilizing the bubbles is pushed out, and the bubble film stabilized by the self-elasticity and the stabilizing material changes into a bubble layer having a reduced binding force and a low surface tension.

따라서, 이러한 소포제의 혼합은 건축물의 시공현장에서 물과 혼합사용하는 경우 물에 의해 소포제가 용해되면서 많은 량의 기포를 제거하게 되는 것이다.Therefore, when the antifoaming agent is mixed with water at the construction site of a building, the antifoaming agent is dissolved by water to remove a large amount of bubbles.

또한, 탄산칼슘(CaCO3)은, 값이 싸고, 비중도 크지 않아 공업 분야에서 널리 사용된다.In addition, calcium carbonate (CaCO 3 ) is inexpensive and does not have a large specific gravity, and thus is widely used in the industrial field.

즉, 석회석 ·대리석으로서 시멘트의 주원료, 산화칼슘의 원료, 제철 ·건축재료 등의 각종 중화제(中和劑)로서 사용된다.That is, it is used as limestone and marble as various neutralizers such as cement raw material, calcium oxide raw material, steelmaking and building material.

또, 호분은 백색 안료 ·수성도료에, 침강 탄산칼슘은 안료 ·도료 ·치약 등에 사용되며, 고무에도 보강제로서 배합되는 것으로서, 본 발명에서는 분말형 몰탈의 접착강도를 강화하는 목적으로 사용되는 것이다.Incidentally, the arc powder is used as a white pigment and an aqueous paint, and the precipitated calcium carbonate is used as a pigment, a paint, a toothpaste, and the like, and is also formulated as a reinforcing agent in rubber. In the present invention, it is used for the purpose of strengthening the adhesive strength of powder mortar.

또한, 규사는 해안에 있는 해안규사와 지층 중에 산출되는 산규사(山硅砂)가 있는데, 해안규사 쪽이 불순물이 적다. 이 밖에 규석을 분쇄하여 분급(分級)한 인조규사가 있다. 유리제품 ·주물사(鑄物砂) ·연마사(硏磨砂) ·산화로상(酸化爐床) 벽돌 등의 원료로 쓰이며, SiO2 96~98 %의 것이 쓰인다. 천연규사는 화강암이 풍화 ·분해하여 석영 알갱이만 모여서 형성되는 것으로, 상기한 탄산칼슘과 마찬가지로 분말형 몰탈의 접착강도를 강화하는 목적으로 사용되는 것이다.In addition, there are coastal silica sand and mountain silica sand (山 硅砂) produced in the strata, and the coastal silica sand contains less impurities. In addition, there is an artificial silica sand that is classified by grinding the silica. It is used as a raw material for glass products, foundry sand, polishing sand, oxidized furnace brick, etc., and 96% to 98% SiO2 is used. Natural silica is formed by gathering only quartz grains by weathering and decomposing granite, and is used for the purpose of reinforcing the adhesive strength of powdered mortar like calcium carbonate.

또한, 분말상 아크릴수지는 그 물리적인 특성에 의해 몰탈의 접착력을 우수하게 함은 물론 몰탈 표면의 피막을 형성케 하여 방수효과를 갖게 하는 것이다.In addition, the powdery acrylic resin not only improves the adhesion of mortar by its physical properties, but also forms a film on the surface of mortar to have a waterproof effect.

이러한 각 분말의 혼합물을 시멘트분말과 1:2의 비율로 혼합하여 포대상으로 유통하게 되면 시공현장에서 직접 물만 부어 사용하면 되므로 보다 간편한 사용이 가능하면서도, 품질의 표준화가 가능하여 균일한 시공이 이루어지며, 합성수지 용기 대긴 포대를 사용하여도 되므로 물류비의 절감은 물론 보관 및 취급이 간편하며, 폐기물의 배출량도 급격하게 감소하는 것이다.When the mixture of each powder is mixed with cement powder in the ratio of 1: 2 and distributed to the target, only water is poured directly at the construction site, so it is more convenient to use, but the standardization of the quality makes uniform construction. It is also possible to use a bag wrapped with a synthetic resin container, thereby reducing the logistics cost, as well as easy to store and handle, and the emission of waste is drastically reduced.

또한, 탄산칼슘 및 규사 등의 혼합에 의해 접착력이 크게 증대되어 동절기에도 시공이 가능함은 물론 양생시간이 짧아져 시공기간을 단축시킬 수도 있는 것이다.In addition, the adhesion strength is greatly increased by the mixing of calcium carbonate and silica sand, so that construction can be performed even in winter, and curing time can be shortened, thereby shortening the construction period.

이상과 같은 본 발명 외벽 단열용 분말형 몰탈은, 용이한 사용 및 품질의 안정화는 물론 물류비의 현저한 감소효과를 갖게 하며, 포대의 재사용에 따른 환경친화성이 있으며, 접착력이 뛰어나 동절기에도 신속한 양생이 가능하여 동절기 사용이 가능한 효과가 있는 것이다.Powder mortar for thermal insulation of the outer wall of the present invention as described above, as well as stabilization of the use and quality, as well as a significant reduction in logistics costs, environmentally friendly by the reuse of the bag, excellent adhesion and fast curing even in winter It is possible to use the winter season is possible.

Claims (1)

메틸셀룰로오스분말 0.5~0.8중량%, fatty alcohol alkoxylated분말 0.1~0.2중량%, 탄산칼슘분말 6.0~10.0중량%, 규사분말 85.0~90.0중량%, 아크릴분말수지 3.0~5.0중량%를 혼합하여, 그 혼합물과 시멘트분말을 1:2의 비율로 혼합 형성하여 됨을 특징으로 하는 외벽 단열용 분말형 몰탈.0.5 to 0.8% by weight of methyl cellulose powder, 0.1 to 0.2% by weight of fatty alcohol alkoxylated powder, 6.0 to 10.0% by weight of calcium carbonate powder, 85.0 to 90.0% by weight of silica sand powder, 3.0 to 5.0% by weight of acrylic powder resin Powder-type mortar for exterior wall insulation, characterized in that the cement powder is mixed and formed in a ratio of 1: 2.
KR1020030004229A 2003-01-22 2003-01-22 adiabatic powderedmortar for outer walls of buildings KR100549403B1 (en)

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Publication number Priority date Publication date Assignee Title
CN104211434A (en) * 2014-08-25 2014-12-17 安徽博大纤维素科技有限公司 Light wall partitioning plate containing nano attapulgite

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* Cited by examiner, † Cited by third party
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KR101016265B1 (en) 2010-09-08 2011-02-25 김승묵 Mortar for outer adiabatic having excellent crack resistance and high elasticity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104211434A (en) * 2014-08-25 2014-12-17 安徽博大纤维素科技有限公司 Light wall partitioning plate containing nano attapulgite

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