KR101272531B1 - Two-liquid type coating composition for preventing dust scattering and method for preventing dust scattering - Google Patents

Two-liquid type coating composition for preventing dust scattering and method for preventing dust scattering Download PDF

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KR101272531B1
KR101272531B1 KR1020130011569A KR20130011569A KR101272531B1 KR 101272531 B1 KR101272531 B1 KR 101272531B1 KR 1020130011569 A KR1020130011569 A KR 1020130011569A KR 20130011569 A KR20130011569 A KR 20130011569A KR 101272531 B1 KR101272531 B1 KR 101272531B1
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weight
parts
asbestos
liquid
scattering
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석재민
서명포
장영희
이주행
안의휘
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주식회사 신승오앤에프
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/22Materials not provided for elsewhere for dust-laying or dust-absorbing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B17/00Methods preventing fouling
    • B08B17/02Preventing deposition of fouling or of dust
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D129/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: A double liquid type spreading agent is provided to prevent calorie change or generation of harmful gas in consumption, and to reduce moisture content of coal, and to prevent scattering of asbestos. CONSTITUTION: A double liquid type spreading agent comprises a first liquid, as a coating former, containing 3-10 parts by weight of polyvinylalcohol, based on 100.0 parts by weight of water, 1-2 parts by weight of glycerine, 0.5-1 parts by weight of polyhydric alcohol, 5-7 parts by weight of oil, and 0.1-0.5 parts by weight of surfactant; a second liquid which includes 3-10 parts by weight of boron compound, 1-5 parts by weight of hydroxide salts, and 5-20 parts by weight of a hardener containing 5-25 wt% of emulsion solution, base on 100.0 parts by weight of water.

Description

입상물질, 분상물질 또는 석면의 비산방지를 위한 2액형 도포제 및 이를 이용하여 입상물질, 분상물질 또는 석면의 비산을 방지하는 방법{Two-liquid type Coating composition for Preventing Dust Scattering and Method for Preventing Dust Scattering}Two-liquid type coating composition for Preventing Dust Scattering and Method for Preventing Dust Scattering using granular material, powdery material or asbestos to prevent scattering of particulate material, powdery material or asbestos

본 발명은 야적장에 적재된 각종의 입상물질 또는 분상물질의 비산방지 및 건축물 등에 사용된 석면의 비산방지를 위한 도포제에 관한 것이다.The present invention relates to a coating agent for preventing the scattering of asbestos used in buildings and for preventing the scattering of various particulate matter or powdery substances loaded on a yard.

일반적으로 야적장에 야적되어 있는 입상물질 또는 분상의 야적물로부터 분진이 발생하고 있으며, 석면함유 건물의 철거 시에도 석면, 시멘트 등의 분진이 발생하며, 이러한 분진의 발생은 외부환경을 오염시킬 뿐 아니라 석면 등의 분진은 인체에 매우 유해한 물질로 인체에 심각한 문제를 일으킨다.In general, dust is generated from granular material or powdery deposit in the yard, and asbestos, cement, etc. are generated even when the asbestos-containing building is demolished, and such dust not only pollutes the external environment. Asbestos dust is a very harmful substance that causes serious problems for the human body.

특히, 석탄공장, 제철소, 화력발전소, 연탄공장, 유리공장, 골재제조공장 등의 야적장에는 필요한 원료물질인 석탄, 모래 등 각종 분상 또는 입상물질이 적재되어 있으며, 이러한 야적장에 야적된 입상물질 또는 분상물질로부터 비산되는 분진의 발생은 외부환경을 오염시킬 뿐 아니라 원료의 손실 문제도 발생하게 된다.In particular, yards such as coal plants, steel mills, thermal power plants, briquettes, glass plants, and aggregate manufacturing plants are loaded with various powders or granular materials such as coal and sand, which are necessary raw materials. The generation of dust from the material not only pollutes the external environment, but also causes the loss of raw materials.

상기한 문제를 해결하기 위한 통상적 방법으로 야적물의 표면에 물을 분사하여 분진발생을 방지하고 있으나, 물이 증발되는 관계로 일정시간 마다 물을 분사해야 하며, 이로 인한 인력 및 시간이 많이 소요될 뿐만 아니라 야적물 등이 분사된 물에 의해 씻겨 내려감으로써 토양 및 수질 오염 등 2차적인 환경오염이 여전히 발생한다.In order to solve the above problems, water is sprayed onto the surface of the yard to prevent dust generation, but water must be sprayed every predetermined time due to evaporation of water, which not only takes a lot of manpower and time. Secondary environmental pollution still occurs, such as soil and water pollution, as the trash is washed away by the sprayed water.

야적장에 야적된 입상 내지 분상물질의 비산을 방지하는 기술과 관련한 선행기술로는 예를 들면, 국내 등록특허공보 등록번호10-465228호, 국내 등록특허공보 등록번호10-673907호, 국내 등록특허공보 등록번호10-755901호에 개시된 에멀젼 타입의 도포제는 경화시간이 길어 작업성이 떨어지고, 도포제가 분사된 후 야적물과의 결합 후 경화되었을 시 표면이 단단하게 굳어지며 표면이 갈라지는 문제점이 있어 본 발명의 출원인의 등록권리인 국내 등록특허공보 등록번호10-748156호의 비산방지용 천연도포제 조성물에 의해 상기 선행기술들의 문제점을 개선하였으며, 또한 본 발명의 출원인은 경화시간 및 표면피막의 갈라짐 현상을 보다 개선한 2액형 비산방지 도포제를 출원하여 국내 등록특허공보 10-1150277호로 등록받은 바가 있다.As a prior art related to the technology for preventing the scattering of granular or powdery substances deposited on the yard, for example, Korean Patent Publication No. 10-465228, Korean Patent Publication No. 10-673907, Domestic Patent Registration Publication The coating agent of the emulsion type disclosed in the registration No. 10-755901 has a long curing time, the workability is inferior, and when the coating agent is sprayed and then cured after bonding with the object, the surface hardens and the surface is cracked. The problem of the prior arts was improved by the anti-scattering natural coating composition of Korean Patent Publication No. 10-748156, which is the applicant's registered right, and the applicant of the present invention further improved the curing time and cracking of the surface coating. A two-component shatterproof coating was applied for registration in Korea Patent Publication No. 10-1150277.

또한 야적장에 적재된 야적물외에도 건축물에서 사용된 석면의 비산으로 인하여 작업장의 환경오염 및 건축물을 철거할 때 비산 석면에 의한 환경오염의 문제가 발생하므로 산업안전보건법에서는 석면 노출 근로자가 있는 작업장은 6개월마다 1회 이상 작업환경측정 실시하도록 규정하고 있고, 석면 해체 및 제거 작업과정에서 석면이 비산되지 않도록 주변 대기 중 석면 농도가 0.01개/cc(실내공기질 권고기준)을 넘지 않도록 규정하여 비산 석면으로 인한 환경오염을 엄격하게 관리하고 있다.In addition, due to the scattering of asbestos used in buildings in addition to the yard loaded on the yard, problems of environmental pollution due to scattering asbestos occur when the building is demolished. In order to prevent asbestos scattering during asbestos dismantling and removal, the concentration of asbestos in the surrounding atmosphere should not exceed 0.01 / cc (recommended indoor air quality standard). Strictly manage environmental pollution.

비산석면에 의한 환경오염 방지를 위한 선행기술로 예를 들면 국내 등록특허공보 등록번호 10-0371110호에 물과 무기산 수용액에 헥사플루오로실리케이트의 알칼리 금속염 등을 혼합한 조성물로 크리소타일 석면 함유 건축재을 도포하여 크리소타일 석면 함유 건축재의 처리 방법을 개시하고 있으나, 많은 양을 사용하면 토양의 염분도를 증가시켜 식물생장을 방해하고 토양 산성화를 일으킬 수 있으며, 또 국내 공개특허공보 공개번호 10-2008-0032403호에는 곤약을 주성분으로 하여 만난(mannan) 분말과 황산칼슘, 황산알루미늄. 탄산나트륨(중회), 알루민산나트륨에서 선택되는 1 내지 2 이상의 성분을 배합한 석면 제거제를 개시하고 있으나, 석면 제거제를 철거되는 석면함유 건축재에 분사한 후 제거제가 건조되는 경우 석면의 비산을 완전하게 방지할 수 없는 문제점이 있다.As a prior art for preventing environmental pollution by scattering asbestos, for example, in Korean Patent Publication No. 10-0371110, a composition containing chrysotile asbestos-containing building material is prepared by mixing water and an inorganic acid aqueous solution with an alkali metal salt of hexafluorosilicate. The present invention discloses a method for treating a building material containing chrysotile asbestos, but using a large amount may increase the salinity of the soil, thereby disturbing plant growth and causing soil acidification. 0032403 contains mannan powder, calcium sulfate and aluminum sulfate, mainly containing konjac. Asbestos remover containing 1 to 2 or more selected from sodium carbonate (middle ash) and sodium aluminate is disclosed.However, asbestos remover is sprayed onto the asbestos-containing building material to be removed and the asbestos is completely dried. There is a problem that cannot be done.

본 발명의 출원인은 상기 본 출원인의 2액형 비산방지 도포제의 물성을 더욱 개선하여 도포제의 피막의 내수성을 증가시켜 입상, 분상물질 또는 석면의 비산방지 효과를 보다 장시간 나타낼 수 있도록 함으로써 본 발명을 완성하였다.Applicant of the present invention has completed the present invention by further improving the physical properties of the two-component anti-scattering coating agent of the present applicant to increase the water resistance of the coating film of the coating agent to exhibit the anti-scattering effect of granular, powdery or asbestos for a longer time. .

본 발명은 입상물질, 분상물질 또는 석면의 비산방지를 위한 2액형 도포제와 이를 이용하여 입상물질, 분상물질 또는 석면의 비산을 방지하는 방법의 제공을 목적으로 하며, 구체적으로는 야적장에 적재된 입상물질 또는 분상물질의 비산방지 내지 건축물 철거 시에 발생되는 석면 등의 비산방지를 위한 2액형 도포제의 제공을 목적으로 하는 것이다.An object of the present invention is to provide a two-part coating agent for preventing the scattering of granular material, powdery material or asbestos, and a method for preventing the scattering of granular material, powdery material or asbestos using the same. An object of the present invention is to provide a two-part coating agent for preventing the scattering of materials or powdery materials or for preventing the scattering of asbestos generated during the dismantling of buildings.

보다 구체적으로는 제철소에서 연료로 사용하기 위하여 야적장에 야적해 놓은 입상 또는 분상의 석탄 표면 또는 건축물 철거 시에 발생되는 석면함유 건축자재의 표면에 분사하여 석탄 또는 석면의 비산을 방지하는 2액형 도포제 및 2액형 도포제를 이용하여 입상물질 내지 분상물질 뿐 아니라 건축물에 이용된 석면의 비산을 방지하는 방법의 제공을 목적으로 하는 것이다.More specifically, a two-part coating agent spraying onto the surface of granular or powdery coals piled up in a yard for use as fuel in steel mills or the surface of asbestos-containing building materials generated during building demolition and preventing coal or asbestos from scattering; It is an object of the present invention to provide a method for preventing scattering of asbestos used in buildings as well as particulate matter or powdery substance using a two-part coating agent.

본 발명의 목적달성을 위한 해결수단으로 입상물질, 분상물질 또는 석면의 비산방지를 위한 2액형 도포제는 a) 피막형성제로 물 100중량부에 대하여 폴리비닐알코올(PVA) 3 ~ 10 중량부, 글리세린 1 ~ 2중량부, 글리세린외 다가알코올 0.5 ~ 1중량부, 유지 5 ~ 7중량부 및 계면활성제 0.1 ~ 0.5중량부를 함유하는 제1액과, b) 경화제로 물 100중량부에 대하여 붕소화합물 3 ~ 10중량부, 수산화염류 1 ~ 5중량부, 실리콘 수지 5 ~ 25 중량% 농도의 에멀젼 용액 5 ~ 20중량부를 함유하는 제2액을 포함하는 2액형으로 이루어진 것을 특징으로 한다.As a solution for achieving the object of the present invention, a two-component coating agent for preventing the scattering of particulate matter, powdery substance or asbestos, a) 3 to 10 parts by weight of polyvinyl alcohol (PVA) based on 100 parts by weight of water as a film forming agent, glycerin Boron compound 3 to 100 parts by weight of a first liquid containing 1-2 parts by weight, glycerin and other polyhydric alcohols 0.5 to 1 parts by weight, fats and oils 5 to 7 parts by weight, and surfactants 0.1 to 0.5 parts by weight, and b) a curing agent. 10 parts by weight, 1 to 5 parts by weight of hydroxide salts, characterized in that it consists of a two-component type containing a second liquid containing 5 to 20 parts by weight of an emulsion solution of 5 to 25% by weight concentration of the silicone resin.

본 발명의 피막형성제인 제1액은 입상물질 또는 분상물질의 표면 또는 석면함유 건축자재의 표면에 분사 및 경화되어 피막을 형성하는 성분으로 이루어지며, 제1액의 조성성분인 폴리비닐알코올(PVA)은 피막을 형성하는 주성분으로 작용하며, 폴리비닐아세테이트(PVAc)를 산 또는 알칼리 가수분해에 의해 제조하며, 가수분해 정도에 따라 물에 대한 용해도가 상이한 물성을 나타나며, 가수분해도가 높은 경우 분자간의 수소결합이 강하여 융점이 높고 물에 용해되기 어려운 성질이 있다.The first liquid, which is a film forming agent of the present invention, is composed of a component which is sprayed and cured on the surface of granular material or powder material or the surface of asbestos-containing building material to form a film, and a polyvinyl alcohol (PVA) as a component of the first liquid. ) Acts as a main component to form the film, and polyvinylacetate (PVAc) is produced by acid or alkali hydrolysis, and its solubility in water varies depending on the degree of hydrolysis. Because of strong hydrogen bond, melting point is high and it is hard to be dissolved in water.

상기 폴리비닐알코올(PVA)은 필름화가 용이하고, 그 인장강도, 인열강도, 내마찰 강도 및 내굴곡강도 등의 특성은 다른 합성호제에 비해 우수하지만, 중합도가 지나치게 낮으면 적재된 입상물질 또는 분상물질의 표면에 대한 밀착성이 저하되기 쉽고, 중합도가 지나치게 높으면 점도가 높아져서 분사성이 저하되므로 입상 또는 분상물질의 표면에 균일하게 분사되지 않는 문제점이 있으므로 본 발명에서는 중합도가 1,000 ~ 5,000 가수분해도 70~99%인 것을 사용하는 것으로 이루어지며, 중합도가 1,700 ~ 2,600이고 가수분해도 85 ~ 95%인 것이 보다 바람직하다. The polyvinyl alcohol (PVA) is easily formed into a film, and its properties such as tensile strength, tear strength, friction resistance, and flex resistance are superior to other synthetic inhibitors, but when the polymerization degree is too low, the loaded granular material or Adhesion to the surface of the powdery substance is easy to be lowered, and if the degree of polymerization is too high, the viscosity is increased and the sprayability is lowered. Therefore, the degree of polymerization is not uniformly sprayed on the surface of the granular or powdery substance. It consists of using what is -99%, It is more preferable that polymerization degree is 1,700-2,600 and hydrolysis degree is 85-95%.

상기 본 발명에 따른 제1액의 또 다른 성분인 글리세린 및 다가알코올은 입상물질 또는 분상물질의 표면에 형성되는 피막의 인성에 영향을 주는 성분이며, 다가알코올은 에틸렌글리콜, 프로필렌글리콜 및 1,3-부틸렌글리콜 및 폴리에틸렌글리콜로부터 선택되는 하나 이상 성분을 0.5 ~ 1 중량부를 배합하는 것이 바람직하다.Glycerin and polyalcohols, which are another component of the first liquid according to the present invention, are components that affect the toughness of the film formed on the surface of the granular material or powdery material, and polyhydric alcohols are ethylene glycol, propylene glycol, and 1,3. It is preferable to mix 0.5-1 weight part of one or more components chosen from butylene glycol and polyethyleneglycol.

또 상기 유지는 피막에 유연성을 부여하여 도포제가 도포되어 경화되면서 피막을 형성하는 과정에서 피막으로부터 물의 이탈로 피막이 수축되어 갈라지는 현상을 방지하며, 또 주용매인 물이 겨울철에 동결되는 현상의 방지 및 유류와 혼합되어 피막에 좀 더 강한 내수성을 부여하는 기능을 나타내도록 하기 위하여 배합하는 것이며, 유지와 다가알코올의 배합량이 포도제에 배합되는 비율이 높으면 오히려 PVA수지에 의한 피막 형성을 방해하므로 유지와 다가알코올의 배합량은 10중량부를 초과하지 않는 범위에서 선택되며, 본 발명에 따른 유지는 식물성 기름인 콩기름, 들기름, 참깨기름, 아마인유, 옥수수기름, 해바리기유, 포도씨유, 야자유 등과 동물성 기름인 돼지기름, 소기름, 오리기름 등으로부터 1 또는 2이상의 성분을 선택하며, 화학구조가 이중결합이나 삼중결합이 있는 불포화지방산 보다 더 이상의 반응이 일어나지 않는 포화지방산이 보다 바람직하며, 5 ~ 7중량부를 배합하는 것으로 이루어진다.In addition, the oil and fat prevents the film from shrinking due to the release of water from the film during the process of forming the film while giving the flexibility to the film by applying the coating agent to harden, and also prevents the phenomenon that the main solvent water is frozen in winter and It is formulated to show the function of giving a stronger water resistance to the film by being mixed with oil. If the proportion of oil and polyhydric alcohol is blended to grapes is high, it prevents the film formation by PVA resin. The blending amount of polyhydric alcohol is selected in the range not exceeding 10 parts by weight, the fats and oils according to the present invention is vegetable oil soybean oil, perilla oil, sesame oil, linseed oil, corn oil, sunflower oil, grapeseed oil, palm oil and animal oil Select one or two or more components from oil, suet oil, duck oil, etc. No further reaction that saturated fatty acids are more preferable than take place of an unsaturated fatty acid with a bond or a triple bond, and consists in blending 5-7 weight parts.

그리고 본 발명에 따른 2액형 도포제 중의 하나인 경화제인 제2액은 입상 또는 분상물질의 표면에 분사되어 도포된 상기 피막형성제(제1액)를 경화시키면서 피막을 형성하는 성분으로 이루어진다.The second liquid, which is a curing agent, which is one of the two-part coating agents according to the present invention, is composed of a component that forms a film while curing the coating agent (first liquid) applied by spraying onto the surface of a granular or powdery substance.

상기 제2액의 성분 중의 붕소화합물은 상기 피막형성제(제1액)의 폴리비닐알코올과 반응하여 겔화되고, 실리콘수지는 물에 대한 저항성을 높이는 성분으로 작용하여 도포제가 적재된 입상물질 또는 분상물질의 표면에 도포되어 경화할 때 수불용성 및 발수성의 피막을 형성하게 한다.The boron compound in the component of the second liquid is gelled by reacting with the polyvinyl alcohol of the film forming agent (first liquid), and the silicone resin acts as a component to increase the resistance to water so that the granular material or powder loaded with the coating agent is loaded. It is applied to the surface of the material to form a water insoluble and water repellent coating when cured.

또 상기 본 발명에 따른 경화제인 제2액은 pH 7.5 내지 8로 유지되는 것이 바람직하며, pH 7 이하에서는 피막형성주제(제1액)인 폴리비닐알코올이 붕소화합물에 의한 겔화반응이 매우 느리게 진행되거나 또는 겔화 반응이 일어나지 않으며, 강알칼리성인 경우 겔화반응의 속도가 너무 빠르게 진행되어 피막이 형성되는 과정에서 피막이 갈라지는 현상이 발생할 수 있으며, pH를 조절을 위하여 사용하는 수산화염류는 수산화나트륨, 수산화칼륨, 수산화알루미늄, 수산화마그네슘로부터 선택된다.In addition, the second liquid as the curing agent according to the present invention is preferably maintained at pH 7.5 to 8, and at pH 7 or less, the polyvinyl alcohol, the film forming agent (first solution), proceeds very slowly by the boron compound. Or gelation reaction does not occur, and in the case of strongly alkaline, the rate of gelation may proceed so fast that the film may be cracked during the formation of the film. The hydroxides used to adjust the pH are sodium hydroxide, potassium hydroxide, hydroxide Aluminum, magnesium hydroxide.

상기 붕소화합물은 이산화이붕소, 삼산화이붕소, 삼산화사붕소, 오산화사붕소, 붕산, 및 붕사 등으로부터 선택되는 1또는 2이상의 성분을 사용하며, 붕소는 가격이나 저장성에 있어 사용이 어려우므로 이러한 붕소화합물을 이용한다.The boron compound uses one or two or more components selected from boron dioxide, diboron trioxide, tetraboron trioxide, tetraboron pentoxide, boric acid, and borax, and the like, since boron is difficult to use in terms of price or storage capacity, I use it.

또 상기 실리콘 수지는 Alkyl계 silicon resin, Tri-ethoxy계 silicon resin, Tri-ethoxy(2,4,4-tri-methyl-pentyl) silane, Alkyl-ethoxy silane, Alkylalkoxy Silane, Tri-ethoxy-octyl-Sil로 이루어진 Silane화합물 및 Amino alkyl- functional Poly-di-methyl siloxane, alkyl alkoxy Siloxane, Organomodified siloxanes로 이루어진 Siloxane화합물로부터 선택되는 1 또는 2이상의 성분을 사용한다.In addition, the silicone resin is Alkyl-based silicon resin, Tri-ethoxy-based silicon resin, Tri-ethoxy (2,4,4-tri-methyl-pentyl) silane, Alkyl-ethoxy silane, Alkylalkoxy Silane, Tri-ethoxy-octyl-Sil One or more components selected from the group consisting of a Silane compound consisting of, and a Siloxane compound consisting of Amino alkyl-functional Poly-di-methyl siloxane, alkyl alkoxy Siloxane, and Organomodified siloxanes are used.

상기 본 발명에 따른 계면활성제 및 실리콘 수지 에멀젼 용액을 위한 계면활성제는 비음이온성 계면활성제와 음이온성 계면활성제가 사용되며, 비이온성 계면활성제는 일반적으로 수중유 유화에 사용되고 있는 HLB(Hydrophilic Lipophilic Balance) 8-18 범위로 조정하여 사용하며, 구체적으로는 소르비탄모노라이우레이트, 소르비탄모노팔미테이트, 소르비탄모노스테아레이트, 소르비탄트리스테아레이트, 소르비탄모노올레이드, 소르비탄트리올레이트와 같은 소르비탄 유도체 및 폴리옥시에틸렌지방산에스테르, 에티렌라우릴에테르와 같은 폴리옥시에틸렌 옥사이드 유도체 등으로부터 선택된다.As the surfactant for the surfactant and the silicone resin emulsion solution according to the present invention, a nonionic surfactant and an anionic surfactant are used, and the nonionic surfactant is generally used in oil-in-water emulsification (HLB). It is used in the range of 8-18, specifically, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan tristearate, sorbitan monooleate, sorbitan trioleate and Such as sorbitan derivatives and polyoxyethylene fatty acid esters, polyoxyethylene oxide derivatives such as ethylene lauryl ether and the like.

또 음이온성 계면활성제는 큰 친수성기를 가지고 있으므로 물분자와 쉽게 결합하여 작은 입자경을 형성하고 실리콘 입자 주위에 대기 또는 분리 존재함으로서 유화물의 입자를 매우 미세하게 하여 유화물의 안정성, 전해질의 결빙을 유도할 목적으로 사용되지만, 거품 발생으로 인한 저장 안정성에 문제가 있으므로 소포제 및 상기의 비이온성 계면활성제 등과 혼합사용하는 것이 바람직하며, 구체적으로는 소디움도데실벤젠술포네이트, 소디움벤젠술포네이트, 소디움라우릴술포네이트, 소디움옥시에틸렌라우릴에테르술포네이트, 암모늄폴리옥시에틸렌노닐페놀에레르술포네이트 등으로부터 선택된다.In addition, since anionic surfactants have a large hydrophilic group, they are easily combined with water molecules to form small particle diameters and exist in the atmosphere or separation around the silicon particles to make the particles of the emulsion very fine, thereby inducing stability of the emulsion and freezing of the electrolyte. Although used as a foaming agent, there is a problem in storage stability due to foaming, so it is preferable to use it in combination with an antifoaming agent and the above nonionic surfactant, and specifically, sodium dodecylbenzenesulfonate, sodium benzenesulfonate, sodium laurylsulfonate , Sodium oxyethylene lauryl ether sulfonate, ammonium polyoxyethylene nonyl phenol ersulfonate, and the like.

본 발명에 따른 실리콘 수지 에멀젼은 실리콘 수지에 비이온성 계면활성제를 첨가하여 용기 내부 온도를 일정한 온도로 유지한 채 서서히 교반하면서 음이온성 계면활성제 및 물을 첨가하고 속도를 높혀 5분간 교반하여 수중유 형태로 상전이시킨 다음 유화물의 안정성을 위해 온도를 70℃로 상승시킨 뒤 급냉시켜 실리콘 수지의 수중유 유화물을 제조하고, 이들의 분산 안정성을 위하여 특별히 초음파를 발진시켜 제조할 수 있다.Silicone resin emulsion according to the present invention by adding a nonionic surfactant to the silicone resin while maintaining the temperature inside the container at a constant temperature while slowly stirring while adding anionic surfactant and water and increasing the speed and stirred for 5 minutes to form oil in oil After the phase transition to and then the temperature is raised to 70 ℃ for the stability of the emulsion and then quenched to prepare an oil-in-water emulsion of silicone resin, it can be prepared by specially oscillating ultrasonic wave for their dispersion stability.

그리고 본 발명의 또 다른 목적달성을 위한 해결수단으로 본 발명에 따른 상기 2액형 도포제를 사용하여 입상물질, 분상물질 또는 석면의 비산을 방지하는 방법은 (1) 입상물질, 분상물질 또는 석면함유 건축자재의 표면에 상기 피막형성제인 제1액을 분사하여 도포하는 도포단계와, (2) 상기 피막형성제인 제1액이 도포된 표면으로 상기 경화제인 제2액을 분사하여 경화시키는 경화단계 및 (3) 상기 도포단계와 경화단계를 순차적으로 1 내지 5회 반복하는 것으로 이루어진다.And as a solution for achieving another object of the present invention using the two-part coating agent according to the present invention to prevent the scattering of particulate matter, powdery material or asbestos is (1) granular material, powdery material or asbestos-containing construction A coating step of spraying and applying the first liquid, which is the film forming agent, to the surface of the material; and (2) a curing step of spraying and curing the second liquid, which is the curing agent, to the surface to which the first liquid, the film forming agent, is applied; 3) consists of repeating the application step and the curing step 1 to 5 times sequentially.

상기 입상 및 분상물질은 석탄공장, 제철소, 화력발전소에서 연료로 사용하기 위하여 야적장에 야적해 놓은 입상 내지 분상의 석탄으로 이루어지고, 석면은 건축자재에 함유된 석면, 건축물 철거 시에 발생되는 폐건축자재에 함유된 석면 등을 예로 들 수 있다.The granular and powdery materials consist of granular or powdery coals deposited in a yard for use as fuel in coal plants, steel mills, and thermal power plants. Asbestos is an asbestos contained in building materials. Asbestos contained in a material is mentioned, for example.

상기 본 발명에 따른 상기 2액형 도포제를 사용하여 야적장에 적재된 입상 내지 분상물질의 비산을 방지하는 방법을 수행할 경우에 피막형성제인 제1액은 적재된 입상 내지 분상물질 또는 석면함유 건축자재의 표면에 미세한 액적으로 균일하게 도포하여야 하며, 액적이 굵을 경우 적재된 입상 또는 분상물질의 표면에서 피막형성제(제1액)가 흘러 내리거나 입상 내지 분상물질과 함께 굴러 내리는 현상이 발생하므로 피막형성제(제1액)의 점도를 50 ~ 250cp의 범위로 하여 적절한 분무장치(수단)에 의해 도포하는 것이 바람직하며, 우천 시 또는 습한 날씨에 본 발명의 2액형 도포제를 사용할 때에는 도포제의 함수율을 적절히 조절하여 사용하는 경우 본 발명에 따른 목적을 달성할 수가 있다.When performing the method of preventing the scattering of granular or powdery substances loaded on the yard using the two-part coating agent according to the present invention, the first liquid, which is a film forming agent, of the loaded granular to powdery or asbestos-containing building materials It should be uniformly applied to the surface as fine droplets. If the droplets are thick, the film-forming agent (first liquid) flows down or rolls down together with the granular or powdery substances. The viscosity of the forming agent (first liquid) is preferably applied by means of an appropriate spraying device (means) in the range of 50 to 250 cps. When the two-part coating agent of the present invention is used in rainy weather or in wet weather, the water content of the coating agent is increased. When used with proper adjustment, the object according to the present invention can be achieved.

또한 본 발명에 따른 2액형 도포제를 적재된 입상 내지 분상물질의 표면 위로 균일하게 분사 내지 분무할 때에 피막형성제(제1액)의 겔화(경화)반응이 잘 진행되게 하기 위하여 피막형성제(제1액)를 20 ~ 50℃ 정도의 온도범위로 유지하는 것이 바람직하다.In addition, in order to make the gel forming (curing) reaction of the film forming agent (first liquid) proceed well when the two-part coating agent according to the present invention is uniformly sprayed or sprayed onto the surface of the loaded granular or powdery substance, 1 liquid) is preferably maintained in a temperature range of about 20 ~ 50 ℃.

본 발명에 따라 적재된 입상 내지 분상물질 또는 석면함유 건축자재의 표면에 형성되는 피막두께는 외부조건에 따라 적절하게 형성시킬 수 있으나, 비산, 방수의 효과를 충분히 낼 수 있는 두께는 최소 10mm 이상으로 형성되는 것이 바람직하다.The film thickness formed on the surface of the granular to powdery material or asbestos-containing building material loaded according to the present invention may be appropriately formed according to external conditions, but the thickness sufficient to achieve the effect of scattering and waterproofing is at least 10 mm or more. It is preferably formed.

또한 건축물 철거 시에 발생되는 석면 및 석면함유 건축자재로부터 유해 분진의 방지를 위해서는 피막형성제인 제1액은 습윤제 및 침투제의 역할을 충분히 할 수 있도록 점도를 150cp 이내로 하여 분무장치에 의해 균일하게 도포하여야 한다.In addition, in order to prevent harmful dust from asbestos and asbestos-containing building materials generated during the demolition of the building, the first liquid, which is a film forming agent, should be uniformly applied by spraying equipment with a viscosity of 150 cps or less so as to act as a humectant and a penetrating agent. do.

상기 본 발명에 따른 도포단계와 경화단계를 1회 수행할 경우 1 ~ 15mm 정도의 피막 두께를 형성할 수 있으나, 상기 비산, 방수의 효과를 충분히 낼 수 있는 바람직한 피막 두께인 6 ~ 10mm 정도로 형성하기 위해서는 상기 도포단계와 경화단계를 순차적으로 수회 반복하여야 하며 2 내지 4회 반복하여 피막을 형성하는 것이 바람직하며, 1회만으로 목적하는 피막 두께를 형성할 경우에는 적재된 입상 내지 분상물질의 표면에 도포제가 과도하게 분사되어 도포제가 적재된 입상 내지 분상물질의 표면으로부터 흘러내리는 문제점 등이 발생한다.When the coating step and the curing step according to the present invention is performed once, it is possible to form a film thickness of about 1 to 15 mm, but to form a film thickness of about 6 to 10 mm, which is a preferable film thickness that can sufficiently effect the scattering and waterproofing. In order to repeat the coating step and the curing step several times in sequence, it is preferable to form a film by repeating 2 to 4 times, in the case of forming the desired film thickness in only one time, the coating agent on the surface of the granular material or powder material loaded Excessive injection is caused, such as a problem that the coating agent flows down from the surface of the granular to powdery material loaded.

본 발명에 따른 야적장에 적재된 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제는 친환경적이고 무독성이므로 도포를 위한 작업환경에 문제가 없을 뿐 아니라 도포제의 조제가 비교적 쉽고 작업도 간단하여 종래기술에서 비산을 방지하고 함수율을 낮추는데 소요되는 비용을 감소시키고 작업시간을 단축하는 장점이 있다.Since the two-component coating agent for preventing the scattering of particulate matter, powdery substance or asbestos loaded on the yard according to the present invention is environmentally friendly and non-toxic, there is no problem in the working environment for coating and the preparation of the coating agent is relatively easy and the operation is simple. The technology has the advantage of reducing costs and reducing the time required to prevent scattering and lower the moisture content.

특히, 본 발명에 따른 2액형 도포제를 석탄공장, 제철공장에 야적된 석탄에 사용하는 경우 석탄의 연소과정시 유해가스를 생성하거나 열량 변화를 일으키지 않으며, 함수율을 낮춰 연료비 절감의 장점이 있고, 건축물 철거시에 사용할 경우 석면 표면에 코팅되어 비산되는 것을 효과적으로 방지할 뿐 아니라 통상의 건축물 철거 현장에도 비산방지 도포제로 사용하여 타 건축폐기물의 비산도 방지하는 이점이 있다. In particular, when the two-part coating agent according to the present invention is used for coal piled up in a coal plant and an ironworks plant, it does not generate harmful gas or cause calorie change during the combustion process of coal, and has a merit of reducing fuel cost by lowering the water content. When used at the time of demolition, as well as effectively prevent from being scattered on the surface of the asbestos coating, there is an advantage to prevent the scattering of other building waste by using as a scattering preventive coating agent in the normal building demolition site.

도 1은 본 발명의 2액형 도포제에 의해 축소한 석탄적재물 표면에 피막이 형성된 상태를 나타내는 사진.
도 2는 본 발명의 2액형 도포제에 의해 형성된 피막에 물을 분사한 후 방수상태를 나타내는 방수시험 사진.
도 3는 본 발명의 피막 강도 테스트를 나타내는 사진.
도 4는 본 발명의 2액형 도포제에 의해 석면 제품 표면으로 침투되어 도포 전, 후의 상태를 나타내는 사진.
BRIEF DESCRIPTION OF THE DRAWINGS The photograph which shows the state in which the film was formed in the surface of the coal deposit reduced by the two-part coating agent of this invention.
Figure 2 is a waterproof test photograph showing the waterproof state after spraying water on the film formed by the two-part coating agent of the present invention.
3 is a photograph showing the film strength test of the present invention.
Figure 4 is a photograph showing the state before and after the application by infiltrating into the asbestos product surface by the two-part coating agent of the present invention.

이하에서는 실시예 등을 통하여 본 발명을 더욱 구체적으로 설명하기로 한다. 그러나 후술하는 구체적인 설명이 본 발명을 한정하는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to examples. However, the following detailed description does not limit the invention.

<실시예> 2액형 도포제 제조EXAMPLES Two-part Coating Agent

A. 제1액( 피막형성제 ) A. First solution ( film forming agent )

중합도 1,700 가수분해도 85.5%의 폴리비닐알코올 250g, 글리세린 70g 에틸렌글리콜 25g 및 야자유 230g을 상온에서 물과 혼합하여 5,000g 되게 한 다음, 50℃에서 계면활성제 10g을 혼합하고, 상기 성분이 완전히 용해될 때까지 교반기로 충분히 교반하여 제1액(피막형성제)을 제조하였다.250 g of polyvinyl alcohol, 25 g of glycerin 70 g, ethylene glycol and 230 g of palm oil having a degree of polymerization of 1,700 degree of hydrolysis of 85.5% were mixed with water at room temperature to 5,000 g, and then 10 g of a surfactant was mixed at 50 ° C, and when the components were completely dissolved. The solution was sufficiently stirred with a stirrer until to prepare a first liquid (film forming agent).

B. 제2액(경화제) B. Second liquid (curing agent)

물 1000g에 붕사 50g, 수산화나트륨20g을 물에 용해시킨 다음 실리콘 에멀젼용액(상품명: TEGO Phobe 1401) 150g을 균일하게 혼합하여 제2용액(경화제)을 얻었다.
50 g of borax and 20 g of sodium hydroxide were dissolved in water, and then 150 g of a silicone emulsion solution (trade name: TEGO Phobe 1401) was uniformly mixed to obtain a second solution (curing agent).

<시험예><Test Example>

A. 피막형성 및 강도시험 A. Film formation and strength test

실제 석탄 야적물을 축소한 석탄적재물에 상기 <실시예>에서 조제한 제1액과 제2액으로 도포와 경화단계를 순차적으로 3회 반복 분사한 후 피막형성을 육안과 촉감으로 확인할 수 있었으며, 또 형성된 피막에 균열이 발생되지 않은 점도 확인되었다(도 1 참조).After spraying the coating and curing steps three times in sequence with the first liquid and the second liquid prepared in <Example> to the coal coal with the actual coal deposit reduced, the film formation was visually and tactilely confirmed. It was also confirmed that no crack was generated in the formed film (see FIG. 1).

상기 형성된 피막을 석탄과 결합된 상태로 채취하여 압축강도를 시험한 결과 1.8~2.5kgf/㎠ 범위를 나타내었다.As a result of testing the compressive strength by collecting the formed film combined with coal, it showed a range of 1.8 ~ 2.5kgf / ㎠.

B. 피막의 낙하충격시험 B. Drop impact test of film

두 개의 용기에 각각 석탄을 채우고 <실시예>에서 조제한 제 1액과 제 2액으로 용기에 채워진 석탄의 표면에 도포와 경화단계를 순차적으로 3회 반복 분사하여 생성된 피막(제1용기)과 표면처리를 하지 않은 석탄(제2용기)의 표면으로 260g의 쇠구슬을 30cm 높이에서 각각 자유낙하시켜 표면의 변화를 시험한 결과 표면처리한 실험군(제1용기)에는 쇠구슬이 표면의 도막을 깨뜨리지 못하고 표면위를 굴러다녔고, 표면처리를 하지 않은 실험군(제2용기)은 2~5cm 깊이로 쇠구슬이 석탄의 표면에 박혀버렸다(도 3 참조).The film (first container) formed by filling two containers with coal and spraying the coating and curing steps three times in sequence on the surface of the coal filled in the container with the first liquid and the second liquid prepared in Example. As a result of testing the surface change by freely dropping 260g of iron beads from the surface of the coal (second container) at a height of 30 cm, the surface of the experimental group (first container) was treated with iron beads. Unbreakable and rolled on the surface, the experimental group (surface 2) without surface treatment was embedded in the surface of the coal iron beads 2 ~ 5cm deep (see Figure 3).

C. 내수성 및 발수성 시험 C. Water and Water Repellency Test

국내 한 여름에 태풍으로 호우경보가 내려졌을 때, 최대 강수량이 200mm 이하이고, 200mm씩 하루 종일 비가 왔을 때 강수량이 4.8ℓ 정도이므로 이를 감안하여 상기 A. 피막형성 및 강도시험을 위하여 형성한 피막 위로 5ℓ의 물을 2시간 동안 분무의 형태로 뿌리고 시간 경과에 따라 피막의 변형을 살펴보았다.In case of heavy rain alarm in Korea during the summer, the maximum rainfall is 200mm or less, and when it rains all day by 200mm, the precipitation is about 4.8ℓ. 5 L of water was sprayed for 2 hours in the form of a spray and the deformation of the film was examined over time.

분무가 완료된 후 시간이 경과하면서 피막의 표면이 건조됨에 따라 피막이 일정한 강도를 나타내며 건조가 완료되면서 단단한 피막으로 복원되는 것을 확인하였다. 또한 물이 도포제의 피막을 타고 내려갈 시 물방울의 형태를 유지하며 발수가 되는 것을 확인할 수 있었으며, 상기한 시험을 5회 반복한 결과, 횟수가 증가할수록 피막의 강도가 다소 약해지나 비산 및 방수의 효과에 있어서는 현저한 차이가 없었다(도2 참조).As the surface of the coating dries over time after the completion of spraying, it was confirmed that the coating exhibited a certain strength and restored to a hard coating as the drying was completed. In addition, it was confirmed that water retains the shape of water droplets when the water goes down the coating of the coating agent, and the water repellency is repeated. As a result of repeating the above five times, the strength of the coating decreases slightly as the number of times increases, but the effect of scattering and waterproofing is observed. There was no significant difference in (see Fig. 2).

D. 석면에 대한 비산시험 D. Splash test on asbestos

<실시예>에서 조제한 제 1액과 제 2액으로 석면의 표면에 도포와 경화단계를 순차적으로 3회 반복 분사한 후 피막형성을 육안과 촉감으로 확인할 수 있었으며, 또 형성된 피막에 균열(갈라지는 현상)이 발생되지 않는 점도 확인되었다(도 4. 5 참조).After spraying the coating and curing steps three times in sequence on the surface of asbestos with the first liquid and the second liquid prepared in <Example>, the film formation was visually and tactilely confirmed, and cracks were formed on the formed film. It was also confirmed that no) was generated (see FIG. 4.5).

상기 형성된 피막을 석면과 결합된 상태로 채취하여 압축강도를 시험한 결과 2.8 ~ 3.7kgf/cm2 범위를 나타내었다.2.8 ~ 3.7kgf / cm 2 as a result of testing the compressive strength by taking the formed film combined with asbestos The range is shown.

Claims (8)

a) 피막형성제로 물 100중량부에 대하여 폴리비닐알코올(PVA) 3 ~ 10중량부, 글리세린 1 ~ 2중량부, 글리세린외 다가알코올 0.5 ~ 1중량부, 유지 5 ~ 7중량부 및 계면활성제 0.1 ~ 0.5중량부를 함유하는 제1액과,
b) 경화제로 물 100중량부에 대하여 붕소화합물 3 ~ 10중량부, 수산화염류 1 ~ 5중량부, 실리콘 수지 5 ~ 25중량%의 에멀젼 용액 5 ~ 20중량부를 함유하는 제2액을 포함하는 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.
a) 3 to 10 parts by weight of polyvinyl alcohol (PVA), 1 to 2 parts by weight of glycerin, 0.5 to 1 part by weight of polyhydric alcohols other than glycerin, 5 to 7 parts by weight of oil and a surfactant 0.1 to 100 parts by weight of water as a film forming agent. A first liquid containing ˜0.5 parts by weight,
b) a second liquid containing 3 to 10 parts by weight of a boron compound, 1 to 5 parts by weight of hydroxide salts, and 5 to 20 parts by weight of an emulsion solution of 5 to 25% by weight of silicone resin, based on 100 parts by weight of water as a curing agent. A two-part coating agent for preventing scattering of particulate matter, powdery substance or asbestos, characterized in that.
청구항 1에 있어서, 피막형성제인 제1액은 그 점도가 50 ~ 250cp로 유지되고, 경화제인 제2액은 pH 7.5 ~ 8로 유지되는 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The method of claim 1, wherein the first liquid as a film forming agent is maintained at a viscosity of 50 to 250cp, the second liquid as a curing agent is maintained at pH 7.5 to 8 to prevent the scattering of particulate matter, powder or asbestos Two-part coating agent. 청구항 2에 있어서, 폴리비닐알코올(PVA)은 중합도가 1,000~5,000, 가수분해도 70 ~ 99%인 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The two-component coating agent of claim 2, wherein the polyvinyl alcohol (PVA) has a degree of polymerization of 1,000 to 5,000 and a degree of hydrolysis of 70 to 99%. 청구항 3에 있어서, 글리세린 외의 다가알코올이 에틸렌글리콜, 프로필렌글리콜, 1,3-부틸렌글리콜, 글리세린 및 폴리에틸렌글리콜로부터 하나 이상 선택되는 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The method of claim 3, wherein the polyhydric alcohols other than glycerin is at least one selected from ethylene glycol, propylene glycol, 1,3-butylene glycol, glycerin and polyethylene glycol. Liquid coatings. 청구항 1 내지 청구항 4 중 어느 하나의 항에 있어서, 실리콘수지 에멀젼용액이 비이온성 계면활성제와 음이온성 계면활성제로 이루어고, HLB(Hydrophilic Lipophilic Balance) 8-18 범위로 조정된 실리콘수지 에멀젼용액인 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The silicone resin emulsion solution according to any one of claims 1 to 4, wherein the silicone resin emulsion solution is a silicone resin emulsion solution composed of a nonionic surfactant and an anionic surfactant and adjusted to a HLB (Hydrophilic Lipophilic Balance) 8-18 range. A two-part coating agent for preventing scattering of particulate matter, powdery substance or asbestos, characterized in that. 청구항 5에 있어서, 입상물질 또는 분상물질이 제철소의 야적장에 적재된 입상 또는 분상의 석탄인 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The two-part coating agent according to claim 5, wherein the granular material or powdery material is granular or powdery coal loaded in a yard of a steel mill. 청구항 5에 있어서, 석면이 건축자재에 함유된 석면인 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 2액형 도포제.The two-part coating agent according to claim 5, wherein asbestos is asbestos contained in a building material. 청구항 1 내지 청구항 4 중 어느 하나의 항에 기재된 2액형 도포제를 이용하여 입상물질, 분상물질 또 석면의 비산을 방지하는 방법에 있어서,
1) 적재된 입상물질, 분상물질 또는 석면함유 건축자재의 표면에 피막형성제로 물 100중량부에 대하여 폴리비닐알코올(PVA) 3 ~ 10 중량부, 글리세린 1 ~ 2중량부, 글리세린외 다가알코올 0.5 ~ 1중량부, 유지 5 ~ 7중량부 및 계면활성제 0.1 ~ 0.5중량부를 함유하는 제1액을 분사하여 도포하는 도포단계와,
2) 상기 피막형성제인 제1액이 도포된 표면에 경화제로 물 100중량부에 대하여 붕소화합물 3 ~ 10중량부, 수산화염류 1 ~ 5중량부, 실리콘 수지 5 ~ 25 중량%의 에멀젼 용액 5 ~ 20중량부를 함유하는 제2액을 분사하여 경화시키는 경화단계 및
3) 상기 도포단계와 경화단계를 순차적으로 1 내지 5회 반복하는 것을 특징으로 하는 입상물질, 분상물질 또는 석면의 비산을 방지하는 방법.
In the method for preventing the scattering of particulate matter, powdery substance or asbestos using the two-component coating agent according to any one of claims 1 to 4,
1) 3 to 10 parts by weight of polyvinyl alcohol (PVA), 1 to 2 parts by weight of glycerin, and polyhydric alcohol 0.5 based on 100 parts by weight of water as a film-forming agent on the surface of the loaded granular material, powder material or asbestos-containing building material. An application step of spraying and applying a first liquid containing 1 part by weight, 5 to 7 parts by weight of fats and oils and 0.1 to 0.5 parts by weight of a surfactant,
2) 3 to 10 parts by weight of a boron compound, 1 to 5 parts by weight of hydroxide salts, and 5 to 25% by weight of an emulsion solution of the resin resin 5 to 100 parts by weight of water as a curing agent on the surface on which the first liquid as the film forming agent is applied. A curing step of curing by spraying a second liquid containing 20 parts by weight;
3) How to prevent the scattering of particulate matter, powdery material or asbestos, characterized in that the coating step and the curing step are repeated one to five times sequentially.
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