KR100896503B1 - Non-solvent type Urethanes which is used to upper membranous of inorganic elastic waterproof - Google Patents
Non-solvent type Urethanes which is used to upper membranous of inorganic elastic waterproof Download PDFInfo
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- KR100896503B1 KR100896503B1 KR1020070066597A KR20070066597A KR100896503B1 KR 100896503 B1 KR100896503 B1 KR 100896503B1 KR 1020070066597 A KR1020070066597 A KR 1020070066597A KR 20070066597 A KR20070066597 A KR 20070066597A KR 100896503 B1 KR100896503 B1 KR 100896503B1
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Abstract
본 발명은 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제에 관한 것으로, 더욱 상세하게는 중금속(Pb), 가소제(DOP), 유기 용제(Xylene, Toluene 등)가 첨가되지 않으며 종래의 아크릴에멀젼 상도 도막용 방수제에 비하여 내수성, 내용제성, 부착성, 광택성이 우수한 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제에 관한 것이다. The present invention relates to a solvent-free urethane top coat of inorganic coating elastic waterproofing agent, more specifically, heavy metal (Pb), plasticizer (DOP), organic solvent (Xylene, Toluene, etc.) is not added, conventional acrylic emulsion top coat waterproofing agent The present invention relates to a solvent-free urethane top coat of inorganic coating film elastic waterproofing agent having excellent water resistance, solvent resistance, adhesiveness, and glossiness.
본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제는 주제와 경화제로 이루어지는 2액형 반응 경화형 방수제에 있어서,In the inorganic coating film elastic waterproofing agent of the present invention, a solvent-free urethane top coat is a two-component reactive curing type waterproofing agent composed of a main agent and a curing agent,
가지화 폴리에테르-폴리에스테르 폴리올(branched polyether-polyester polyol), 첨가제(filler), 희석제(diluent), 레벨링제(levelling agent), 제습제(humidity scavenger), 소포제(air release), 자외선 차단제(ultraviolet shielding)를 포함하는 주제성분과,Branched polyether-polyester polyols, fillers, diluents, leveling agents, humidity scavengers, air releases, ultraviolet shields Subject ingredients, including)
상기 주제의 100중량부 대비 50~100중량부의 디이소시아네이트계 화합물의 경화제로 구성되는 것을 특징으로 한다.It is characterized by consisting of a curing agent of 50 to 100 parts by weight of a diisocyanate compound relative to 100 parts by weight of the subject.
폴리에테르, 폴리에스테르, 경화제 , 무기도막 방수제, 무용제 우레탄상도 Polyether, Polyester, Curing Agent, Inorganic Coating Waterproof, Solventless Urethane Top
Description
도 1은 종래의 수성 아크릴 상도를 이용한 상도 도막 시공 시 백탁 현상이 나타난 것을 보여주는 참조 사진.1 is a reference picture showing that the turbidity phenomenon occurs when the top coat coating using a conventional aqueous acrylic top coat.
도 2는 종래의 수성 아크릴 상도를 이용한 상도 도막 시공 시 내약품성이 약하여 나타난 문제점을 보여주는 참조 사진.Figure 2 is a reference picture showing a problem that appears to be weak chemical resistance during the construction of a top coat using a conventional aqueous acrylic top coat.
도 3은 종래의 수성 아크릴 상도를 이용한 상도 도막 시공 시 내수성이 약하여 나타난 문제점을 보여주는 참조 사진.Figure 3 is a reference picture showing the problem that the water resistance is weak when the top coat film construction using a conventional aqueous acrylic top coat.
도 4는 본 발명인 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 이용한 상도 도막 시공 과정을 도시한 흐름도.Figure 4 is a flow chart illustrating a top coat film construction process using a solvent-free urethane top coat of the inorganic coating film elastic waterproof agent of the present invention.
도 5는 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제와 종래의 수성 아크릴 상도를 비교한 비교 사진.Figure 5 is a comparative photo comparing the solvent-free urethane top coat of the inorganic coating film elastic waterproofing agent according to the present invention and the conventional aqueous acrylic top coat.
도 6은 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제와 종래의 수성 아크릴 상도의 내수성을 비교한 비교 사진.Figure 6 is a comparative photograph comparing the water resistance of the solvent-free urethane top coat of the inorganic coating film elastic waterproofing agent according to the present invention and the conventional aqueous acrylic top coat.
도 7은 본 발명인 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 이용 한 상도 도막을 시공한 시공 사진.Figure 7 is a construction photograph of the top coat using the solvent-free urethane top coat of the inorganic coating film elastic waterproof agent of the present invention.
본 발명은 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제에 관한 것으로, 더욱 상세하게는 중금속(Pb), 가소제(DOP), 유기 용제(Xylene, Toluene, 등)가 첨가되지 않으며 종래의 아크릴에멀젼 상도 도막용 방수제에 비하여 내수성, 내용제성, 부착성, 광택성이 우수한 무용제형 우레탄 상도 무기탄성도막 방수제에 관한 것이다. The present invention relates to a solvent-free urethane top coat of an inorganic coating elastic waterproofing agent, and more particularly, heavy metal (Pb), plasticizer (DOP), organic solvent (Xylene, Toluene, etc.) is not added, conventional acrylic emulsion top coat coating The present invention relates to a non-solvent type urethane top coat inorganic elastic coating film waterproofing agent having excellent water resistance, solvent resistance, adhesion, and glossiness as compared with the waterproofing agent.
일반적으로 도료란 피도물의 보호, 미관, 발광성, 도전성, 절연성, 방음성, 전자파 차폐 등의 특수 기능 부여 및 표식 등을 위하여, 바르는 수단을 이용하여 피도물에 연속적인 도막이 형성되도록 사용되는 물질을 말하며 이를 바르는 행위를 도장이라 한다.In general, paint refers to a material used to form a continuous coating film on a coating by applying a means for applying and marking special functions such as protection, aesthetics, luminescence, conductivity, insulation, sound insulation, electromagnetic shielding, etc. of the coating. An act is called a seal.
이와 같은 도료 중 방수제를 이용하여 콘크리트 구조물과 같이 경화 후 균열로 인한 누수가 발생하여 구조물의 내구성이 악화 되어 노화가 촉진되는 것을 방지하기 위해 구조물 상에 방수층을 형성하고 방수층에 탄성을 부가하여 구조물의 균열에 대응할 수 있도록 방수 시공이 이루어진다.In order to prevent the aging of the structure from deteriorating due to water leakage due to cracks after hardening, such as concrete structures, using a waterproofing agent among such paints, a waterproof layer is formed on the structure and elasticity is added to the waterproof layer to Waterproof construction is done to cope with cracks.
이러한 방수 시공은 일반적으로 도막 하도(프라이머) 시공, 도막 중도(방수층) 시공, 및 도막 상도(방수 보호층) 시공으로 이루어지는데 이중 상도 도막은 주변 환경의 영향을 직접 받기 때문에 그 환경 조건에 대응할 수 있는 물리, 화학적 내성을 가져야 한다. 옥외 햇빛에 노출되는 경우는 내 자외선 성이 좋아야하고 기타 염분, 화학증기(산 또는 알칼리), 분진, 습기 등 폭로 환경에 따라 적절한 내성을 갖추어야 한다.Such waterproof construction is generally composed of coating undercoat (primer), coating midway (waterproof layer), and coating top coat (waterproof protective layer) .The double top coat is directly affected by the surrounding environment, so it can cope with the environmental conditions. Have physical and chemical resistance. In case of exposure to outdoor sunlight, UV resistance should be good, and appropriate resistance should be given according to exposure environment such as other salt, chemical vapor (acid or alkali), dust, moisture.
무기 도막 방수제에서 이러한 상도 도막용 방수제로는 대표적으로 아크릴에멀젼 수지를 주로 사용한다. 그러나 이러한 종래의 아크릴에멀전수지는 재료비가 저렴하고 작업자의 인체에 유해한 물질들이 첨가되지 않아 친환경적인 제품으로 여겨지나 수분에 약하고 도 1에 도시된 바와 같이 부분적으로 백탁이 나타나며, 중합의 특성상 분자량이 한계가 있어 광택이 없고, 도 2와 도 3에 나타난 바와 같이 내약품성 및 내수성에 취약하여 층분리 현상이 나타나는 단점이 있다.In the inorganic coating film waterproofing agent, an acrylic emulsion resin is mainly used as the waterproofing film for the top coat. However, the conventional acrylic emulsion resin is considered to be an environmentally friendly product because the material cost is low and no harmful substances are added to the human body of the worker, but it is weak in moisture and appears partly cloudy as shown in FIG. There is no gloss, and as shown in Figures 2 and 3, there is a disadvantage in that the delamination phenomenon is vulnerable to chemical resistance and water resistance.
그래서 일부 시공현장에서는 용제형 우레탄 방수제를 중도 도막에 한번 더 덧칠하곤 하였으나 이역시도 유기용제로 인하여 작업자들의 안전을 위협하였다.Therefore, in some construction sites, the solvent-based urethane waterproofing agent was once again applied to the middle coating film, but this also threatened the safety of workers due to the organic solvent.
그리고 시공 후 장시간이 지나면 유기용제가 중도 도막의 수지를 팽윤시켜서 중도 도막과 상도 도막 사이에 장기간 머물다가 시간이 경과하면 반복되는 온도 변화에 따라 부착력이 감소되어 분리되는 층분리 현상이 일어나곤 하였다.After a long time after construction, the organic solvent swelled the resin of the intermediate coating layer, and the long-term stay between the intermediate coating layer and the top coating layer.
본 발명은 상기와 같은 문제점을 해결하기 위하여, 환경호르몬으로 사용이 제한되고 있는 디옥틸프탈레이트(DOP), 납(Pb)과 같은 중금속 및 유기용제(Xylene, 신너 등)를 사용하지 않으면서도 용제형 도료와 유사한 물성을 가지는 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 제공하는 것을 목적으로 한다.In order to solve the above problems, the present invention does not use heavy metals such as dioctylphthalate (DOP) and lead (Pb) and organic solvents (Xylene, thinner, etc.), which are limited to environmental hormones. An object of the present invention is to provide a solvent-free urethane top coat of inorganic coating film elastic waterproofing agent having properties similar to paints.
또한, 본 발명은 상기한 장점을 가지면서도 중도와의 부착력이 우수하고 내 수성, 광택성, 내마모성, 내약품성 등이 우수한 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 제공하는 것을 목적으로 한다.In addition, an object of the present invention is to provide a solvent-free urethane top coat coating agent of the inorganic coating film elastic waterproofing agent having the above-described advantages, excellent adhesion to the intermediate and excellent in water resistance, gloss, wear resistance, chemical resistance and the like.
상기와 같은 목적을 달성하기 위하여, 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제는 주제와 경화제로 이루어지는 2액형 반응 경화형 방수제에 있어서,In order to achieve the above object, in the inorganic coating film elastic waterproofing agent-free urethane topcoat coating agent according to the present invention in a two-component reaction curable waterproofing agent consisting of a main agent and a curing agent,
가지화 폴리에테르-폴리에스테르 폴리올(branched polyether-polyester polyol), 충전제(filler), 희석제(diluent), 레벨링제(levelling agent), 제습제(humidity scavenger), 소포제(air release), 자외선 차단제(ultraviolet shielding)를 포함하는 주제와,Branched polyether-polyester polyols, fillers, diluents, leveling agents, humidity scavengers, air release agents, ultraviolet shields ), Including
상기 주제의 100중량부 대비 50~100중량부의 디이소시아네이트계 화합물의 경화제로 구성되는 것을 특징으로 한다.It is characterized by consisting of a curing agent of 50 to 100 parts by weight of a diisocyanate compound relative to 100 parts by weight of the subject.
아래 표는 상기와 같이 조성되는 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제의 조성물과 첨가되는 조성물의 함량을 간단히 나타낸 표이다.The table below is a table briefly showing the content of the composition of the inorganic solvent-based polyurethane waterproofing coating agent-free urethane top coat composition and the composition added as described above.
(표1)Table 1
상기와 같이 조성되는 조성물에 대하여 자세히 살펴보면 먼저, 주제인 수 지(resin)에는 환경유해물질인 DOP가 포함되어 있는 기존의 폴리 우레탄 수지보다 친환경적이며 점성이 낮은 가지화 폴리에테르-폴리에스테르 폴리올(branched polyether-polyester polyol)을 이용하는 것이 바람직하며 35~70중량부로 사용한다.Looking at the composition of the composition as described above, first, the main resin (resin) is a branched polyether-polyester polyol (branched) environmentally friendly and lower viscosity than the conventional polyurethane resin containing the environmentally hazardous substance DOP polyether-polyester polyol) is preferably used, 35 to 70 parts by weight.
다음, 원료 또는 제품의 물성보완 및 재료비 절감을 위해 충전제(filler)가 첨가되는데 충전제(filler)로는 탈크(talc), 규사(quartz powder), 탄산칼슘(CaCO3), 바륨설페이트(barium sulfate)중 어느 것을 선택적으로 하나 이상을 첨가한다.Next, fillers are added to supplement the properties of the raw materials or products and to reduce the material cost. As fillers, talc, quartz powder, calcium carbonate (CaCO 3 ) and barium sulfate are used. Either optionally add one or more.
상기와 같이 충전제(filler)는 선택된 하나 이상이 첨가되어도 물성에는 큰 문제가 없으며 첨가되는 비율은 35~60중량부의 함량이 바람직하다. 상기 함량이상으로 첨가되었을 경우 물성이 저하될 수 있기 때문이며 상기 함량 이하로 첨가되었을 경우 상기 가지화 폴리에테르-폴리에스테르 폴리올(branched polyether-polyester polyol)의 첨가되는 양이 많아짐으로써 제품의 생산비용이 고가가 되며 일부 내마모성과 같은 물성 저하가 발생할 수 있다.As described above, even if one or more selected fillers are added, there is no big problem in the physical properties, and the content of the filler is preferably 35 to 60 parts by weight. This is because the physical properties may be lowered when added above the content, and when the amount is added below the content, the amount of branched polyether-polyester polyol is increased, thereby increasing the production cost of the product. It may cause some property degradation such as wear resistance.
그리고 소포제(air release)는 기포 발생을 억제하고 형성된 도막 내부와 외부의 기포를 제거하기 위한 것으로 실리콘 오일(silicone oil)이 사용되며 첨가되는 비율은 0.1~2중량부를 첨가하는 것이 바람직한데 그 이유는 상기 비율 이상으로 첨가되었을 경우 중도와의 접착력이 저하될 염려가 있기 때문이다.And anti-foaming (air release) is to suppress the generation of bubbles and to remove the bubbles inside and outside the formed film is used silicone oil (silicone oil) and the ratio is preferably added 0.1 to 2 parts by weight because It is because there exists a possibility that the adhesive force with a moderate degree may fall when it adds more than the said ratio.
그리고 상기 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제의 자기 수평성을 유지하기 위해 첨가되는 레벨링제(levelling agent)로는 아크릴코폴리 머(copolymer acrylate)이 사용되며 첨가되는 비율은 0.1~3중량부로 첨가하는 것이 바람직하다. 상기 첨가제를 넣지 않을 경우 시공시에 롤러 혹은 붓의 자국이 시공표면에 남을 염려가 있기 때문이다.And as a leveling agent (levelling agent) is added to maintain the self-leveling of the solvent-free polyurethane topcoat of the inorganic coating elastic waterproofing agent (copolymer acrylate) is used and the ratio is added in 0.1 to 3 parts by weight It is preferable. This is because when the additive is not added, the marks of the roller or the brush may remain on the construction surface during construction.
그리고 본 발명에서는 DOP와 용제가 첨가되는 기존의 용제형 우레탄 방수제의 문제점을 보완하면서도 기존의 용제형 우레탄 방수제와 유사한 물성을 가지도록 식물성 원료에서 추출한 지방산을 에스테르화한 지방산에스테르화합물(fatty acid ester)을 희석제(diluent)로 첨가하였다. 상기 지방산에스테르화합물은 식물성 지방산으로 점도를 낮추어 주는 역할을 하는데 첨가되는 비율은 1~10중량부로 첨가되는 것이 바람직하다.In the present invention, the fatty acid ester compound obtained by esterifying the fatty acid extracted from the vegetable raw material so as to supplement the problems of the conventional solvent-type urethane waterproofing agent to which DOP and solvent are added, and have similar properties as the conventional solvent-type urethane waterproofing agent. Was added as diluent. The fatty acid ester compound serves to lower the viscosity as a vegetable fatty acid, the ratio is preferably added to 1 to 10 parts by weight.
그리고 상기 주제성분의 수분을 제거하기 위하여 제습제(humidity scavenger)로 제올라이트(zeolite powder)가 1~10중량부 첨가된다. 상기와 같은 제습제가 첨가되는 이유는 제습제가 첨가되지 않았을 경우 제품내 수분이 경화제와 반응하여 GEL TIME이 빨라짐으로써 시공상에 문제가 발생할 수 있기 때문이다.In addition, 1 to 10 parts by weight of zeolite (zeolite powder) is added as a humidity scavenger to remove moisture of the main ingredient. The reason why the dehumidifying agent is added is that when the dehumidifying agent is not added, moisture in the product may react with the curing agent, thereby causing problems in construction due to faster GEL TIME.
한편, 상기 상도 도막은 주변 환경의 영향을 직접 받기 때문에 즉, 옥외 햇빛에 직접 노출되는 경우 색상이 변할 수 있으므로 자외선차단제(ultraviolet shielding)인 티뉴빈(tinubin)을 0.1~3중량부 첨가한다.Meanwhile, since the top coat is directly affected by the surrounding environment, that is, the color may change when directly exposed to outdoor sunlight, 0.1 to 3 parts by weight of tinubin, which is an ultraviolet shielding agent, is added.
상기와 같이 조성되는 상기 주제성분에 안료로 녹색, 백색 등을 가지는 안료분말체(pigment powder)가 1~10중량부 더 첨가될 수 있으며 색상은 사용자의 임의의 선택에 따라 자유롭게 실시할 수 있다.1-10 parts by weight of a pigment powder having green, white, or the like as a pigment may be added to the main ingredient, which is formed as described above, and the color may be freely performed according to a user's arbitrary choice.
상기와 같이 2액형 반응 경화형 방수제 중 주제성분이 조성되면 경화제로서 디이소시아네이트계 화합물인 디이소시아네이트메틸벤젠(TDI), 디페닐메탄디이소시아네이트(MDI), 헥사메틸렌디이소시아네이트(HDI), 이소포론디이소시아네이트(IPDI)에서 선택된 어느 하나 이상을 사용할 수 있다.When the main component is composed of the two-component reaction curable waterproofing agent as described above, diisocyanate compound diisocyanate methylbenzene (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HDI), isophorone diisocyanate as a curing agent Any one or more selected from (IPDI) can be used.
상기 경화제 중 디이소시아네이트메틸벤젠(TDI), 디페닐메탄디이소시아네이트(MDI)는 반응성이 빨라 가사시간이 30분 이내이며, 헥사메틸렌디이소시아네이트(HDI), 이소포론디이소시아네이트(IPDI)는 반응성이 느려 가사시간이 하루 또는 이틀 이상 걸리기도 한다. 따라서 상기 경화제 중 작업 환경에 맞추어 가사시간이 빠른 것과 느린 것을 알맞게 혼합하여 가사시간을 조절한다.Among the curing agents, diisocyanate methylbenzene (TDI) and diphenylmethane diisocyanate (MDI) have fast reactivity, and pot life is within 30 minutes, and hexamethylene diisocyanate (HDI) and isophorone diisocyanate (IPDI) have low reactivity. The pot life may take a day or two or more. Therefore, according to the working environment of the curing agent to adjust the pot life by mixing the pot life is fast and slow accordingly.
상기와 같이 혼합된 경화제는 상기 주제성분에 상기 주제의 100중량부 대비 50~100중량부를 첨가하여 사용한다.The curing agent mixed as described above is used by adding 50 to 100 parts by weight based on 100 parts by weight of the main ingredient to the main ingredient.
도 4은 본 발명인 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 이용한 상도 도막 시공 과정을 도시한 흐름도로서 도 4에 도시된 바와 같이 중도 도막의 시공이 이루어진 후 주제를 배합(S10)하고, 배합된 주제와 경화제를 배합(S20)한 후 혼합된 주제성분과 경화제는 전동교반기(rpm 800~1000)를 이용하여 잘 혼합(S30)하여 상기 상도 도막용 우레탄 무기 탄성 도막 방수제를 만들어 준다.FIG. 4 is a flowchart illustrating a process of coating a top coat using a solvent-free urethane top coat of the inorganic coating elastic modifier of the present invention, as shown in FIG. 4. After mixing (S20) and the cured main component and the hardener are mixed well (S30) using an electric stirrer (rpm 800 ~ 1000) to make the urethane inorganic elastic coating film waterproofing coating for the top coat.
이와 같이 완성된 상기 무용제형 우레탄 상도 무기탄성도막 방수제를 중도 도막 상단에 도포하여 시공(S40)하여준 후 시공된 상기 상도 도막을 완전히 경화(S40)시켜 주면 방수 시공이 완료된다.The non-solvent-type urethane-based inorganic elastic coating film waterproofing agent thus completed is applied to the upper surface of the middle coating film and then coated (S40), and then the hardened coating film is completely cured (S40).
방수제 시공시 피도체의 조소, 형상, 도장 기기, 기후 조건, 도장작업자의 숙련도, 작업의 난이도에 따라 방수제의 손실이 발생할 수 있는데 본 발명에 따른 무용제형 우레탄 상도 무기탄성도막 방수제는 롤라, 스프레이 방법을 이용하여 도장하는 것이 바람직하다.When the waterproofing agent is applied, the loss of the waterproofing agent may occur depending on the sculpture, shape, coating equipment, climatic conditions, skill of the painter, and difficulty of the work of the waterproofing agent. It is preferable to coat using.
상기와 같이 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제를 이용하여 상도를 시공한 후 완전 경화를 위해 24시간 정도 놓아두는 것이 바람직하다.As described above, it is preferable to leave the coating for about 24 hours after the top coat is applied by using a solvent-free urethane top coat coating agent of the inorganic coating film elastic waterproofing agent.
(표 1)Table 1
상기 표 1은 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제와 기존의 수성아크릴 상도를 비교 분석한 실험 결과이다.Table 1 is an experimental result of comparing and analyzing the solvent-free urethane top coat of the inorganic coating film elastic waterproofing agent according to the present invention and the conventional aqueous acrylic top coat.
상기 시험결과에서 보는 바와 같이 종래의 수성아크릴 상도 도막 방수제에 비하여 우수한 쉐어 경도, 인장강도와 연신율 및 인열강도를 가진다.As shown in the test results, it has excellent shear hardness, tensile strength and elongation, and tear strength as compared with the conventional aqueous acrylic top coat waterproofing agent.
도 5는 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제(B)와 종래의 수성아크릴 상도(A)를 비교하여 보기 위하여 시험 시공한 것의 사진으로서 외관상으로도 알 수 있듯이 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제(B)는 기존의 수성아크릴 상도(A)에 비하여 표면상태 및 코팅 상태가 훨씬 우수한 것을 알 수 있다. 5 is an inorganic coating according to the present invention, as can be seen from the appearance of the test coating to compare the solvent-free urethane top coat (B) and the conventional aqueous acrylic top coat (A) of the inorganic coating film elastic waterproof according to the present invention. The solvent-free urethane top coat (B) of the coating film elastic waterproofing agent can be seen that the surface state and coating state is much better than the conventional aqueous acrylic top coat (A).
종래의 상도와 실제 내수성 실험을 한 결과는 도 6과 같으며 실험결과를 통 해 본 발명은 종래에 비해 내수성이 매우 뛰어남을 알 수 있다. 즉 본 발명인 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제에 따라 시공된 상도 도막(B)은 종래의 상도 도막(A)과 비교하여 종래의 상도 도막(A)은 수분이 흡수되는데 반하여 본 발명(B)은 물방울이 흡수되지 않고 도막 면을 타고 흘러내려가 물기가 거의 남아 있지 않는 것을 알 수 있다. The results of the conventional top and actual water resistance test is shown in Figure 6 and through the experimental results it can be seen that the present invention is very excellent in water resistance compared to the conventional. That is, the top coat film (B) constructed according to the present invention inorganic coating elasticity-free coating agent of the urethane top coating agent is compared with the conventional top coat film (A), whereas the conventional top coat film (A) absorbs moisture, whereas the present invention (B) It can be seen that the water droplets are not absorbed and flow down the surface of the coating film so that little water remains.
도 8은 이와 같이 방수 시공이 완료된 모습을 나타낸 것으로 사진 상으로 알 수 있듯이 광택성이 매우 뛰어 남을 알 수 있다.FIG. 8 shows a state in which the waterproof construction is completed, and as can be seen from the photograph, it can be seen that the glossiness is excellent.
지금까지 본 발명을 바람직한 실시 예를 참조하여 상세히 설명하였지만, 본 발명이 속하는 기술분야의 당업자는 본 발명이 그 기술적 사상이나 필수적 특징을 변경하지 않고서 다른 구체적인 형태로 실시할 수 있으므로, 이상에서 기술한 실시 예들은 모든 면에서 예시적인 것이며 한정적인 것이 아닌 것으로서 이해해야만 한다.Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art to which the present invention pertains can implement the present invention in other specific forms without changing the technical spirit or essential features, The embodiments are to be understood in all respects as illustrative and not restrictive.
예컨대, 본 설명에서는 상도용 방수제 관하여 설명하였지만 사용자의 임의의 선택에 따라 하도용 방수제로도 사용할 수 있다.For example, in the present description has been described with respect to the waterproofing coating for the top coat can also be used as a waterproofing coating for the user according to the user's arbitrary choice.
그러므로 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구범위에 의하여 특정되는 것이며, 특허청구범위의 의미 및 범위 그리고 그 등가 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Therefore, the scope of the present invention is defined by the appended claims rather than the foregoing description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. Should be interpreted.
이상에서 살펴본 바와 같이, 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제는 인체에 유해한 가소제(DOP), 납(Pb)과 같은 중금속 및 유기 용제(toluene, Xylene 등)를 포함하지 않아 작업자가 안심하고 사용할 수 있는 제품이다.As described above, the non-solvent urethane top coating agent of the inorganic film elastic waterproofing agent according to the present invention does not contain heavy metals such as plasticizers (DOP) and lead (Pb) and organic solvents (toluene, Xylene, etc.) that are harmful to the human body. This product can be used with confidence.
또한, 본 발명에 따른 무기도막탄성 방수제의 무용제 우레탄 상도 코팅제는 수용성 아크릴 상도 방수제에 비하여 접착성, 내수성, 광택성, 내마모성, 내약품성 등이 우수하다. In addition, the solvent-free urethane top coat coating agent of the inorganic film elastic waterproofing agent according to the present invention has excellent adhesiveness, water resistance, glossiness, abrasion resistance, chemical resistance and the like as compared to the water-soluble acrylic topcoat waterproofing agent.
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