KR100340297B1 - A bubble mortar - Google Patents

A bubble mortar Download PDF

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KR100340297B1
KR100340297B1 KR1019990041537A KR19990041537A KR100340297B1 KR 100340297 B1 KR100340297 B1 KR 100340297B1 KR 1019990041537 A KR1019990041537 A KR 1019990041537A KR 19990041537 A KR19990041537 A KR 19990041537A KR 100340297 B1 KR100340297 B1 KR 100340297B1
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weight
mortar
mixing
bubble
sand
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KR1019990041537A
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Korean (ko)
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KR20010028978A (en
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최병길
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정환진
한일시멘트 (주)
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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
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/10—Burned or pyrolised refuse
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

본 발명은 물에 농도 2~4%의 기포제를 섞어 기포가 충분히 발생되게 하고 제조한 다음, 시멘트 75~80중량%, 모래 8~10중량%, 플라이애쉬 15~17중량% 및 세멕스판(Cemexpan)1~3중량%를 물과 함께 혼합 교반하여 모르타르를 제조한 후에, 혼합모르타르 90~95중량%에 대하여 기포가 발생된 상기 기포액 5~10중량%를 혼합하여 제조함을 특징으로 하는 기포용 모르타르조성물의 제조방법에 관한것이다.The present invention is prepared by mixing the foaming agent with a concentration of 2 to 4% in water to produce a sufficient bubble, then cement 75 to 80% by weight, sand 8 to 10% by weight, fly ash 15 to 17% by weight and Cemexpan (Cemexpan After mixing 1 to 3% by weight with water to prepare a mortar, the mixture is prepared by mixing 5 to 10% by weight of the bubble liquid generated bubbles to 90 to 95% by weight of mixed mortar A method for producing an inclusion mortar composition.

Description

기포용 모르타르 조성물의 제조방법 {A BUBBLE MORTAR}Method for producing foam mortar composition {A BUBBLE MORTAR}

본 발명은 기포용 모르타르 조성물의 제조방법에 관한 것으로서, 기포의 분포가 균일하여 단열, 방음 경량성이 우수하고 압축강도가 균일한 양질의 기포모르타르를 각종 건축물의 바닥 슬라브에 단열, 방음재로 타설하거나, 연약지반 성토용으로 사용할 수 있는 기포용 모르타르 조성물의 제조방법에 관한 것이다.The present invention relates to a method for producing a mortar composition for foaming, the foam is uniform, the insulation, soundproofing light weight and excellent compressive strength of high-quality foam mortar insulated and poured into the floor slab of various buildings as a soundproofing material or It relates to a method for producing a foam mortar composition that can be used for soft ground fill.

종래에 사용하고 있는 일반 모르타르조성물은 단순히 시멘트와 기포액을 숙련공의 경험에 의해 적당량 혼합기에 혼합하고, 이를 강력한 압송 펌프로 압송토출하여 사용해 왔으나, 소비자의 욕구가 다양화되어짐에 따라 용도에 따른 특성화된 기포용 모르타르를 생산할 필요성이 더욱 대두되고 있다.Conventional mortar compositions used in the past have simply mixed cement and bubble liquid with a suitable amount of mixer by experienced workers' experience, and have been used by pumping them out with a powerful pump. However, as the needs of consumers are diversified, they are characterized according to their use. There is a growing need to produce airborne mortars.

국내공개특허공보 공개번호 제88-2769호에는 CaO·Al2O3이외의 CaO함유 화합물 10내지 400중량부를 함유하는 알루미나 시멘트 조성물 40내지 95중량부와 2,800내지 6,500㎠/g의 비표면적을 가진 II형 무수황산칼슘 60내지 5중량부로 되어 있는 기포콘크리트의 경화조정제가 기재되어 있으며,Korean Laid-Open Patent Publication No. 88-2769 discloses an alumina cement composition containing 40 to 95 parts by weight and a specific surface area of 2,800 to 6,500 cm 2 / g containing 10 to 400 parts by weight of CaO-containing compounds other than CaO · Al 2 O 3. A curing regulator of foamed concrete, which is composed of 60 to 5 parts by weight of anhydrous calcium sulfate II, is described.

국내공개특허공보 공개번호 제86-6420호는 PVA수용액에 가성소다와 염화칼슘을 혼합한 기본 기포발생제에, D.B.A수용액에 알칼리제를 첨가하여 pHcnd성까지 조절한 기포 경화제를 중량비 1:1로 혼합한 것을 특징으로 하는 기포성 경량 콘크리트 제품의 기포제에 관한 것이고,Korean Laid-Open Patent Publication No. 86-6420 is a mixture of a base foaming agent mixed with caustic soda and calcium chloride in a PVA solution, and a bubble curing agent adjusted to pHcnd by adding an alkali agent to a DBA solution in a weight ratio of 1: 1. It is related with the foaming agent of the foamable lightweight concrete product characterized by the above-mentioned,

국내공개국제출원공보 공개번호 제87-700062호에는 모래, 섬유 및 다른 몰벤들로 구성되는 콘크리트 혼합제가, 셀룰로오스와 생물의 수성용액에 기초환경에서 표현-활성제와 반응금속 분말을 첨가함으로서 얻어진 분산과 혼합되며, 상기 분산이 뜨거울 때 건조됨으로서 미리 처리되고, 시멘트 또는 다른 결합제가 물과 혼합될 때, 반응섬유에 의해서 발생되는 가스의 전개로 사실상 각 입자 또는 섬유상에 최대한으로 균일성 있게 미크로 공극을 콘크리이트 내에 형성하는 기포 콘크리이트 제조방법이 기재되어 있으며,Korean Patent Application Publication No. 87-700062 discloses a concrete mixture composed of sand, fiber and other molbens, obtained by adding an expression-activator and a reactive metal powder to an aqueous solution of cellulose and a living organism in a basic environment. Mixed, pretreated by drying when the dispersion is hot, and when the cement or other binder is mixed with water, the micro voids are virtually maximally uniform on each particle or fiber due to the evolution of the gas generated by the reaction fibers. It describes a method for producing bubble concrete formed in the

국내등록특허공보 공고번호 제208511호에는 EPS(Expanded Poly-Styrene)입자를 몰탈과 혼합하고 몰탈을 먼저 경화시킨 후 콘크리트와 되게 하고, 상기 제품을 고열로 가열하여 콘크리트 내의 EPS입자를 용융시키므로서 콘크리트 내부에 연속 기포가 형성되도록 한 연속 기포 콘크리트 및 그 제조방법에 관한 기술이 기재되어 있으나,In Korean Patent Publication No. 208511, EPS (Expanded Poly-Styrene) particles are mixed with mortar, the mortar is first hardened, and then made into concrete, and the product is heated at high temperature to melt the EPS particles in the concrete. Although a continuous bubble concrete and a method for producing the same are described so that a continuous bubble is formed therein,

상기 종래의 기술들은 시멘트 슬러리 사용한 것으로서 일반적으로 모래 사용하지 않고 시멘트의 사용량이 높으며, 침하율이 크므로 내부에 형성된 기포가 고르지 못하여 균질한 제품 제조가 곤란하고 내부에 형성된 기포들이 양생과정에서 몰탈의 무게에 눌려 축소 또는 소멸되는 경우가 있으며, 기포의 축소나 소멸은 차음 등의 효과를 감소하고 제품전체의 부피감소를 초래하여 불량제품이 되는 문제점이 있어 왔다.The conventional techniques are used as a cement slurry, generally use of cement without using sand, and because the settling rate is high, it is difficult to manufacture a homogeneous product because the bubbles formed therein are uneven and the bubbles formed therein are mortar There is a case that the weight is reduced or disappeared by pressing, the reduction or disappearance of the bubble has a problem of reducing the effect of the sound insulation, such as reducing the volume of the whole product to become a defective product.

상기와 같은 문제점을 해결하고자, 본 발명은 본 출원인이 선출원한 출원 번호 제1996-31379호 발명의 명칭 현장 타설용 기포모르타르 조성물의 제조방법 및 장치를 개량한 것으로서, 모르타르에 모래를 사용하여 상대적으로 시멘트를 적게 사용하여 단위 면적당 시멘트 양을 감소하여 제조비용 절감하였고, 침하율이 작은 기포용 모르타르 조성물의 제조방법을 제공하는 것을 그 목적으로 하는 것이다.In order to solve the problems as described above, the present invention is an improvement of the method and apparatus for preparing a foam mortar composition for field casting, which is filed by the applicant of the first application No. 1996-31379, and relatively using sand in mortar It is an object of the present invention to provide a method for producing a mortar composition for bubbles by reducing the amount of cement per unit area by using less cement and having a small settling rate.

상기와 같은 목적을 달성하고자, 본 발명은 시멘트, 모래, 플라이애쉬(fly ash), 세멕스판(Cemexpan) 및 기포제를 혼합함을 특징으로 하는 기포용 모르타르 조성물의 제조방법에 관한 것이다.In order to achieve the above object, the present invention relates to a method for producing a mortar composition for foam, characterized in that the mixing of cement, sand, fly ash, semexpan (Cemexpan) and the foaming agent.

상기 기포용 모르타르는 물에 농도 2~4%의 기포제를 섞어 기포가 충분히 발생되게 하고, 혼합모르타르는 시멘트 75~85중량%, 모래 8~10중량%, 플라이애쉬 15~17중량% 및 세멕스판(Cemexpan)1~3중량%를 물과 함께 혼합 교반하여 제조한 후에, 상기 혼합모르타르 90~95중량%에 대하여 기포가 발생된 상기 기포액 5~10중량%를 혼합하여 기포용 모르타르를 조성하는 것이다.The foam mortar is mixed with a foaming agent of 2 to 4% concentration in water to sufficiently generate bubbles, the mixed mortar is 75 to 85% by weight of cement, 8 to 10% by weight of sand, 15 to 17% by weight of fly ash and semex plate (Cemexpan) 1 to 3% by weight of the mixture with water and then prepared, and then to the mixed mortar 90 to 95% by weight of the bubble is generated by mixing 5 to 10% by weight of the bubble liquid to form a mortar for bubbles will be.

세멕스판(Cemexpan)은 무수석고 50중량%, 생석회 35중량%, 및 석회석 + 기타성분 15%로 구성되어 있다.Cemexpan is composed of 50% by weight anhydrous gypsum, 35% by weight quicklime, and 15% limestone + other components.

이하 실시예를 통하여 상세히 설명하기로 한다.It will be described in detail through the following examples.

실시예Example

먼저 물에 농도 2~4%의 기포제를 섞어 기포가 충분히 발생되게 하고 제조한 다음,First, mix the foaming agent with a concentration of 2-4% in water to sufficiently generate bubbles, and then

시멘트 75~80중량%, 모래 8~10중량%, 플라이애쉬 15~17중량% 및 세멕스판 (Cemexpan)1~3중량%를 물과 함께 혼합 교반하여 모르타르를 제조한 후에,After mixing 75 to 80% by weight of sand, 8 to 10% by weight of sand, 15 to 17% by weight of fly ash and 1 to 3% by weight of Cemexpan with water to prepare mortar,

혼합모르타르 90~95중량%에 대하여 기포가 발생된 상기 기포액 5~10중량%를 혼합하여 기포용 모르타르 조성물을 제조하였다.A bubble mortar composition was prepared by mixing 5 to 10% by weight of the bubble solution in which bubbles were generated with respect to 90 to 95% by weight of mixed mortar.

[표 1] 본 발명의 기포용 모르타르 조성물 조성비TABLE 1 Composition ratio of mortar composition for foam of the present invention

구 분division 중량(㎏/㎥)Weight (㎏ / ㎥) 용적(ℓ)Volume (ℓ) 슬 러 리Slurry 기포모르타르Kipomortar 시멘트cement 260260 82.5482.54 모 래sand 3030 11.3211.32 fly ashfly ash 5555 24.5524.55 CemexpanCemexpan 55 1.841.84 단위 수량 물Unit quantity water 175175 175175 소 계sub Total 525525 295.25295.25 기포군Bubble gun 기 포 제Foam 0.810.81 0.670.67 희 석 수 량Amount of dilution 39.4339.43 39.4339.43 소 계sub Total 40.2440.24 40.140.1 총 계sum 565.24565.24 335.35335.35

[표 2] 본 발명에서 제조된 기포용 모르타르조성물의 물성치[Table 2] Physical properties of the foam mortar composition prepared in the present invention

슬러리Slurry 슬러리+기포군Slurry + Bubble Group 건조밀도(㎏/㎥)Drying Density (㎏ / ㎥) 열전도율(㎉/mh℃)Thermal conductivity (㎉ / mh ℃) 압축강도(kgf/㎠)Compressive strength (kgf / ㎠) 침하율(%)Settlement rate (%) flow(㎝)flow (cm) 단위용중(㎏/㎥)Unit weight (㎏ / ㎥) flow(㎝)flow (cm) 단위용중(㎏/㎥)Unit weight (㎏ / ㎥) 3일3 days 7일7 days 28일28 days 20.820.8 17771777 17.217.2 595595 456456 0.0850.085 88 1111 1616 22

상기와 같은 본 발명은 모래 사용하여 시멘트의 사용양을 감소시킴과 동시에 침하율을 감소시켜 내부에 형성된 기포가 일정하게 형성 시켜 차음, 방음, 방수 및 경량화 등의 효과를 증대시키고 제조비용 절감하는 장점이 있는 것이다.The present invention as described above is the use of sand to reduce the amount of cement and at the same time reduce the settling rate to form a bubble formed therein to increase the effects of sound insulation, soundproofing, waterproof and lightweight, and reduce the manufacturing cost Is there.

Claims (1)

기포용 모르타르 조성물의 제조방법에 있어서, 물에 농도 2~4%의 기포제를 섞어 기포가 충분히 발생되게 하고 제조한 다음,In the method for producing a foam mortar composition, by mixing a foaming agent of 2-4% concentration in water to sufficiently generate the bubbles, 시멘트 75~80중량%, 모래 8~10중량%, 플라이애쉬 15~17중량% 및 세멕스판 (Cemexpan)1~3중량%를 물과 함께 혼합 교반하여 모르타르를 제조한 후에,After mixing 75 to 80% by weight of sand, 8 to 10% by weight of sand, 15 to 17% by weight of fly ash and 1 to 3% by weight of Cemexpan with water to prepare mortar, 혼합모르타르 90~95중량%에 대하여 기포가 발생된 상기 기포액 5~10중량%를 혼합하여 제조함을 특징으로 하는 기포용 모르타르 조성물의 제조방법.A method for producing a mortar composition for bubbles, characterized in that by mixing 5 to 10% by weight of the bubble liquid generated bubbles with respect to 90 to 95% by weight of mixed mortar.
KR1019990041537A 1999-09-28 1999-09-28 A bubble mortar KR100340297B1 (en)

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JPH1143385A (en) * 1997-07-24 1999-02-16 Asahi Chem Ind Co Ltd Lightweight foamed concrete and its production
KR100187431B1 (en) * 1996-07-30 1999-04-15 허동섭 Mortar composition and manufacturing method thereof

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JPH1143385A (en) * 1997-07-24 1999-02-16 Asahi Chem Ind Co Ltd Lightweight foamed concrete and its production

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