KR101698883B1 - Method for manufacturing suface treatment agent - Google Patents
Method for manufacturing suface treatment agent Download PDFInfo
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- KR101698883B1 KR101698883B1 KR1020140112958A KR20140112958A KR101698883B1 KR 101698883 B1 KR101698883 B1 KR 101698883B1 KR 1020140112958 A KR1020140112958 A KR 1020140112958A KR 20140112958 A KR20140112958 A KR 20140112958A KR 101698883 B1 KR101698883 B1 KR 101698883B1
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/455—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction
- C04B41/4556—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction coating or impregnating with a product reacting with the substrate, e.g. generating a metal coating by surface reduction of a ceramic substrate
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/003—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hybrid binders other than those of the polycarboxylate type
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/47—Oils, fats or waxes natural resins
- C04B41/472—Oils, e.g. linseed oil
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/47—Oils, fats or waxes natural resins
- C04B41/474—Natural resins, e.g. rosin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D193/00—Coating compositions based on natural resins; Coating compositions based on derivatives thereof
- C09D193/04—Rosin
Abstract
본 발명은 발수·방수성 콘크리트용 표면처리제의 제조방법에 관한 것으로서, 특히 휘발성 유기화합물 등이 발생되지 않고, 압축강도 등의 물성, 동결융해저항성 및 내화학성 등이 우수한 콘크리트 제품을 제조할 수 발수·방수성 콘크리트용 표면처리제에 관한 것으로서, 레미콘 회수수에 송진, 폐식용유, 음이온 AE제 및 PC계 혼화제가 혼합되어 이루어지는 것을 특징으로 한다.The present invention relates to a method for producing a surface treatment agent for water-repellent and waterproof concrete, and more particularly, to a method for producing a concrete product having excellent physical properties such as compressive strength, freeze-thaw resistance and chemical resistance without generating volatile organic compounds, The present invention relates to a surface treatment agent for waterproof concrete, which is characterized in that a mixture of rice germ oil, waste cooking oil, anionic AE agent, and PC system admixture is mixed with the remicon recovered water.
Description
본 발명은 발수·방수성 콘크리트용 표면처리제의 제조방법에 관한 것으로서, 특히 휘발성 유기화합물 등이 발생되지 않고, 압축강도 등의 물성, 동결융해저항성 및 내화학성 등이 우수한 콘크리트 제품을 제조할 수 발수·방수성 콘크리트용 표면처리제의 제조방법에 관한 것이다.The present invention relates to a method for producing a surface treatment agent for water-repellent and waterproof concrete, and more particularly, to a method for producing a concrete product having excellent physical properties such as compressive strength, freeze-thaw resistance and chemical resistance without generating volatile organic compounds, And a method for producing a surface treatment agent for waterproof concrete.
콘크리트 제품은 외부의 유해물질 및 내산성비 등의 침투에 의해서 열화 및 동결융해가 발생하여 성능저하를 가져오는데 기존 콘크리트 제품에서는 콘크리트 표면에 표면 코팅제만을 도포하는 방식으로 미관적인 문제점의 개선은 좋으나, 열화방지 및 동결융해발생 억제 등의 기능적인 부분은 개선이 시급한 실정이다.
Concrete products are deteriorated due to deterioration and freezing and thawing due to penetration of harmful substances such as external harmful substances and acid rain. In conventional concrete products, only the surface coating agent is applied on the concrete surface, thereby improving the aesthetic problem. However, Prevention of freezing and thawing and suppression of freezing and thawing are urgently required to be improved.
현재 국내/외 연구기관 및 기업에서는 표면도료 및 코팅제에 대한 중요성을 인식하여 연구를 진행 중이나 주로 에폭시 계통을 사용하여 제조원가가 비싸면서 유해물질로 인한 환경문제의 심각성은 해결되지 않고 있다.Currently, domestic and foreign research institutes and companies are studying the importance of surface coatings and coatings, but the cost of manufacturing using epoxy system is high and the seriousness of environmental problems caused by harmful substances is not solved.
단지 콘크리트의 강도 특성과 미관에만 신경써온 현실을 감안한다면 향후 콘크리트 제품에 있어서는 역할 및 성능이 우수하면서 장기간 지속될 수 있는 표면처리제 개발이 필수적이다.
Considering only the strength characteristics and the aesthetics of concrete, it is essential to develop a surface treatment agent that can last a long time with excellent performance and performance in concrete products in the future.
최근 콘크리트 표면처리제가 콘크리트 제품의 내구성능에 미치는 영향이 중요하다는 연구보고에 따라 표면처리제 및 방수제 생산 공장 수는 급증했지만 그에 따른 환경문제나 인체건강에도 상당한 부작용이 우려되고 있다.Recently, the number of the surface treatment agent and waterproofing agent production plant has increased rapidly according to the report that the effect of the concrete surface treatment agent on the durability of the concrete product is important, but there is a concern about the environmental problems and the serious side effects.
한 예로 페놀류와 벤젠, 포름알데히드를 사용하여 방수제와 방수도료 등을 생산하는 공장 인근 주변 주민들은 암, 호흡기질환 발생률이 높았으며 실제로 암을 일으키는 주요인으로 밝혀져 콘크리트 속에 살고 있는 현대인의 건강에도 상당한 악영향을 미칠 것으로 판단되고, 친환경 재료에 의한 친환경 콘크리트 표면처리제 개발이 요구되고 있다.
For example, near the factory producing phenol, benzene, and formaldehyde, waterproofing agent and waterproofing paint, the residents around the plant have a high incidence of cancer and respiratory diseases. In fact, they are found to cause cancer. And it is required to develop an environmentally friendly concrete surface treatment agent using environmentally friendly materials.
한편, 일반적으로 콘크리트 생산시 필연적으로 발생하는 레미콘 회수수(레미콘 믹서트럭의 세척수, B/P믹서 및 호퍼의 세척수, 공장바닥 오폐수 등)를 과거에는 자연상태로 방류하거나, 폐기함으로써 수질 및 토양오염을 유발하였으나, 최근에는 레미콘 회수수 재활용설비를 활용하여 귀중한 용수자원으로 재활용하고 있다. 그러나 콘크리트 배합시에 회수수를 사용하게 되는 경우는 다양한 콘크리트 품질의 불안정과 그 재처리에 소요되는 비용 증가 및 환경오염의 문제가 있다.
On the other hand, in the past, the amount of ready-mixed concrete which is inevitably generated in the concrete production (the washing water of the mixer mixer truck, the washing water of the B / P mixer and the hopper, However, recently, it has been recycled as a precious drinking water resource by utilizing a remicon recovery water recycling facility. However, in case of using recycled water for concrete mixing, there are problems of unstable quality of various concrete, increased cost for reprocessing, and environmental pollution.
이와 같은 종래의 문제점을 해결하기 위한 본 발명은, 레미콘 회수수 및 폐식용유를 이를 이용하여 콘크리트 제품 및 구조물의 발수 및 방수성을 향상시켜 부식 및 균열로 인한 내구수명이 단축되는 현상이 발생하는 것을 방지할 수 있는 발수·방수성 콘크리트용 표면처리제의 제조방법을 제공함에 그 목적이 있다.The present invention for solving such problems of the prior art is to prevent the phenomenon of shortening the durability life due to corrosion and cracks by improving the water repellency and waterproofing properties of concrete products and structures by using the remicon recovered water and the waste cooking oil The present invention provides a method for producing a water repellent / waterproof concrete surface treatment agent.
상기와 같은 목적을 달성하기 위한 본 발명은,
pH 11~12인 레미콘 회수수 100중량부에 송진 5~15중량부 및 폐식용유 5~15중량부를 혼합한 후 60~80℃로 가열하여 검화하는 단계와;According to an aspect of the present invention,
5 to 15 parts by weight of pine resin and 5 to 15 parts by weight of waste cooking oil are mixed with 100 parts by weight of recovered water having a pH of 11 to 12, followed by heating to 60 to 80 ° C for saponification;
상기 검화된 혼합용액에 상기 레미콘 회수수 100중량부 대비 음이온 AE(Air-Entraining)제 20~30중량부, PC(polycarboxylate)계 혼화제 1~5중량부를 혼합하는 단계;를 포함하는 것을 특징으로 하는 발수·방수성 콘크리트용 표면처리제의 제조방법를 제공한다.20 to 30 parts by weight of anion AE (air-entraining) and 1 to 5 parts by weight of a PC (polycarboxylate) admixture, relative to 100 parts by weight of the remicon recovered water, The present invention provides a method for producing a water repellent / waterproof concrete surface treatment agent.
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이하, 본 발명의 발수·방수성 콘크리트용 표면처리제에 관하여 상세히 설명하면 다음과 같다.
Hereinafter, the surface treatment agent for water repellent / waterproof concrete of the present invention will be described in detail as follows.
본 발명의 발수·방수성 콘크리트용 표면처리제는 레미콘 회수수에 송진, 폐식용유, 음이온 AE제 및 PC계 혼화제가 혼합되어 이루어진다.The water repellent / waterproof concrete surface treatment agent of the present invention is obtained by mixing a rice remover, waste cooking oil, an anionic AE agent and a PC system admixture in a remicon recovered water.
상기 레미콘 회수수는 레디믹스트(ready-mixed) 콘크리트 공정에서 세척에 의해 발생하는 물로서, 운반차, 플랜트의 믹서, 호퍼 등에 부착된 콘크리트 및 흘러내린 콘크리트의 세척배수를 정화하여 얻어지는 슬러지수 및 상징수를 포함한다. 그리고 상기 레미콘 회수수의 pH는 대략 11~12이다.The ready-mixed concrete water is water generated by washing in a ready-mixed concrete process. It is a water which is obtained by purifying the washing water of the concrete attached to the conveyance car, the mixer of the plant, the hopper, . The pH of the ready-mixed recovered water is about 11 to 12.
그리고 상기 송진은 항균성을 부여하고 제품의 접착강도를 향상시키고, 콘크리트 제품 등에 발수 및 방수성을 효과적으로 향상시키기 위하여 상기 레미콘 회수수 100중량부에 5~15중량부가 혼합되는 것이 바람직하다. The rosin is preferably mixed with 5 to 15 parts by weight per 100 parts by weight of the remicon recovery water to impart antimicrobial properties, improve the adhesive strength of the product, and effectively improve water repellency and waterproof property of concrete products.
상기 폐식용유는 코코넛유, 팜유, 옥수수유, 대두유, 홍화유, 해바라기유 및 올리브유 등의 식물성식용유를 사용후 수거한 것으로서, 이물질을 여과한 상태로 사용한다. 상기 폐식용유는 콘크리트 제품의 접착강도를 저하시키지 않고, 발수 및 방수성을 효과적으로 향상시키기 위하여 상기 레미콘 회수수 100중량부에 5~15중량부 혼합되는 것이 바람직하다.
The waste cooking oil is collected after use of vegetable cooking oil such as coconut oil, palm oil, corn oil, soybean oil, safflower oil, sunflower oil and olive oil, and the foreign matter is used in a filtered state. The waste cooking oil is preferably mixed with 5 to 15 parts by weight per 100 parts by weight of the remicon recovery water in order to effectively improve the water repellency and waterproofness without lowering the adhesive strength of the concrete product.
상기 송진과 상기 폐식용유는 상기 레미콘 회수수에 혼합된 후 60~80℃로 가열되고, 이에 따라 상기 송진과 상기 폐식용유는 검화된다.
The rosin and the waste cooking oil are mixed with the remicon recovered water and heated to 60 to 80 ° C, whereby the rosin and the waste cooking oil are sifted.
그리고 상기 음이온 AE제는 시멘트 입자를 분산시켜 워커빌리티를 향상시키고, 제품의 표면을 부드럽게 유지시키기 위한 것으로서, 상기 레미콘 회수수 100중량부에 대해 20~30중량부 혼합되는 것이 바람직하다.The anionic AE agent is used for improving the workability by dispersing the cement particles and keeping the surface of the product smooth, and it is preferable that the anionic AE agent is mixed in 20 to 30 parts by weight with respect to 100 parts by weight of the remicon recovery water.
상기 음이온 AE제가 20중량부 미만으로 혼합될 경우 공기연행 작용이 원활히 일어나지 않아 제품성형이 원활히 이루어지지 않고, 제품의 표면이 거칠게 형성되는 문제가 있고, 30중량부 초과로 혼합될 경우 분산력이 커져 시멘트의 결합력이 저하되어 강도 등의 물성이 저하되는 문제가 있다.
When the anionic AE agent is mixed in an amount of less than 20 parts by weight, air entrainment does not occur smoothly and the product is not smoothly formed and the surface of the product is roughly formed. When the anionic AE agent is mixed in an amount exceeding 30 parts by weight, There is a problem that physical properties such as strength are deteriorated.
그리고 상기 PC(polycarboxylate)계 혼화제는 콘크리트 제품의 강도 및 발수성을 향상시키기 위하여, 상기 레미콘 회수수 100중량부에 1~5중량부가 혼합되는 것이 좋다.
In order to improve the strength and water repellency of the concrete product, 1 to 5 parts by weight of the polycarboxylate (PC) admixture may be added to 100 parts by weight of the remicon recovery water.
본 발명의 발수·방수성 콘크리트용 표면처리제는 콘크리트 벽돌, 경계석, 인터로킹블록, 식생블록, 벤치플룸, 암거, 레미콘 등의 콘크리트 제품 뿐만 아니라 몰탈 제조시 널리 사용가능하고, 종래의 표면처리제와 달리 휘발성 유기화합물 등이 발생되지 않을 뿐만 아니라 강도 등의 물성이 우수하는 등 환경친화적이고 품질이 매우 우수하다.
The water repellent / waterproof concrete surface treatment agent of the present invention can be widely used not only in concrete products such as concrete bricks, boundary blocks, interlocking blocks, vegetation blocks, bench plumes, culverts and remicon, but also mortars, Organic compounds and the like as well as excellent physical properties such as strength and the like.
본 발명의 발수·방수성 콘크리트용 표면처리제의 제조방법은 종래의 표면처리제와 달리 휘발성 유기화합물 등이 발생되지 않고, 압축강도 등의 물성, 동결융해저항성 및 내화학성 등이 우수한 콘크리트 제품을 제조할 수 있는 효과가 있다.The method for producing a water repellent / waterproof concrete surface treatment agent of the present invention can produce a concrete product which is free from volatile organic compounds and unlike a conventional surface treatment agent and has excellent properties such as compressive strength, freeze / thaw resistance and chemical resistance There is an effect.
이하, 본 발명의 발수·방수성 콘크리트용 표면처리제의 제조방법을 실시예를 들어 더욱 상세히 설명하면 다음과 같고, 본 발명의 권리범위는 하기의 실시예에 한정되는 것은 아니다.Hereinafter, the method for producing the surface treating agent for water repellent / waterproofing concrete of the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the following examples.
[실시예 1][Example 1]
콘크리트의 세척배수에서 굵은 골재 및 잔골재를 분리회수한 레미콘 회수수 100중량부에 송진 10중량부, 폐대두유 10중량부를 혼합한 후 60~80℃로 가열하여 검화시켰다.10 parts by weight of rosin and 10 parts by weight of waste soybean oil were mixed with 100 parts by weight of recovered remanufactured water recovered and recovered from the coarse aggregate and fine aggregate in the washing water of concrete, and then heated to 60 to 80 캜 for saponification.
그리고 검화된 혼합용액에 음이온 AE제 25중량부 및 PC계 혼화제 2중량부를 혼합하여 실시예 1인 발수·방수성 콘크리트용 표면처리제를 제조하였다.
Then, 25 parts by weight of the anionic AE and 2 parts by weight of the PC-based admixture were mixed with the saponified mixed solution to prepare the surface treatment agent for water repellent / waterproof concrete of Example 1.
[실시예 2][Example 2]
콘크리트의 세척배수에서 굵은 골재 및 잔골재를 분리회수한 레미콘 회수수 100중량부에 송진 10중량부, 폐대두유 15중량부를 혼합한 후 60~80℃로 가열하여 검화시켰다.10 parts by weight of rosin and 15 parts by weight of waste soybean oil were mixed with 100 parts by weight of recovered remanufactured water recovered and recovered from the coarse aggregate and fine aggregate from the washing waste of concrete, and then heated to 60 to 80 캜 for saponification.
그리고 검화된 혼합용액에 음이온 AE제 30중량부 및 PC계 혼화제 5중량부를 혼합하여 실시예 2인 발수·방수성 콘크리트용 표면처리제를 제조하였다.
Then, 30 parts by weight of an anionic AE and 5 parts by weight of a PC-based admixture were mixed with the saponified mixed solution to prepare a water repellent / waterproof concrete surface treating agent of Example 2.
[실시예 3][Example 3]
콘크리트의 세척배수에서 굵은 골재 및 잔골재를 분리회수한 레미콘 회수수 100중량부에 송진 15중량부, 폐대두유 5중량부를 혼합한 후 60~80℃로 가열하여 검화시켰다.15 parts by weight of pine resin and 5 parts by weight of waste soybean oil were mixed with 100 parts by weight of recovered remanufactured water recovered and recovered from the coarse aggregate and fine aggregate from the washing waste of concrete, and then heated to 60 to 80 캜 for saponification.
그리고 검화된 혼합용액에 음이온 AE제 20중량부 및 PC계 혼화제 1중량부를 혼합하여 실시예 3인 발수·방수성 콘크리트용 표면처리제를 제조하였다.
20 parts by weight of an anionic AE agent and 1 part by weight of a PC-based admixture were mixed with the saponified mixed solution to prepare a water repellent / waterproof concrete surface treating agent of Example 3.
[비교예 1][Comparative Example 1]
비교예 1로서는 시중에 판매되고 있는 표면처리제를 구입하여 사용하였다.
As Comparative Example 1, commercially available surface treating agents were purchased and used.
[콘크리트 공시체의 제조][Production of concrete specimen]
일반 포틀랜드 시멘트, 자연모래, 부순모래, 굵은골재, 물 및 AD에 실시예 1 내지 3, 비교예 1의 표면처리제를 하기의 표 1과 같이 혼합하여 지름이 125mm이고 높이가 250mm인 원기둥 형상의 실시예 1 내지 3 및 비교예 1의 콘크리트 공시체를 제조하였다. 비교예 2의 경우 표면처리제를 사용하지 않고 콘크리트 공시체를 제조하였다.The surface treating agents of Examples 1 to 3 and Comparative Example 1 were mixed as shown in Table 1 below in ordinary portland cement, natural sand, crushed sand, coarse aggregate, water and AD to prepare a cylindrical column having a diameter of 125 mm and a height of 250 mm Concrete specimens of Examples 1 to 3 and Comparative Example 1 were prepared. In the case of Comparative Example 2, a concrete specimen was prepared without using a surface treatment agent.
(중량부)cement
(Parts by weight)
(중량부)Surface treatment agent
(Parts by weight)
(중량부)Natural sand
(Parts by weight)
(중량부)Crushed sand
(Parts by weight)
(중량부)Coarse aggregate
(Parts by weight)
(중량부)water
(Parts by weight)
(중량부)AD
(Parts by weight)
[압축강도 시험][Compressive strength test]
실시예 1 내지 3, 비교예 1 및 2의 콘크리트 공시체를 KS F 2405-2010(콘크리트 압축강도 시험방법)의 방법에 의해 3회 시험하였고, 그 평균 압축강도는 표 2와 같다.The concrete specimens of Examples 1 to 3 and Comparative Examples 1 and 2 were tested three times by the method of KS F 2405-2010 (Concrete Compressive Strength Test Method), and the average compressive strengths thereof are shown in Table 2.
(MPa)Compressive strength
(MPa)
[동결융해저항성 시험][Freeze-thaw resistance resistance test]
실시예 1 내지 3, 비교예 1 및 2의 콘크리트 공시체를 KS F 2456-2013(급속 동결 융해에 대한 콘크리트의 저항 시험방법)의 방법으로 동결 융해시킨 후 압축강도를 측정하여 동결융해저항성을 시험하였다. 그 결과는 표 3으로 나타냈다.
The concrete specimens of Examples 1 to 3 and Comparative Examples 1 and 2 were frozen and melted by the method of KS F 2456-2013 (resistance test of concrete for rapid freezing and thawing), and the compressive strength was measured to test the resistance to freezing and thawing . The results are shown in Table 3.
(MPa)Compressive strength
(MPa)
[내화학성 및 염분침투저항성 시험][Chemical resistance and salt penetration resistance test]
실시예 1 내지 3, 비교예 1 및 2의 콘크리트 공시체에 대해 내화학성 및 염분침투저항성을 시험하였고, 그 결과는 표 4와 같다. 내화학성 시험은 콘크리트 공시체를 30% 염산수용액에 5시간동안 침지시킨 후 압축강도를 측정하여 평가하였고, 염분침투저항성은 KS F 2711-2002(전기 전도도에 의한 콘크리트의 염소이온 침투 저항성 시험 방법) 방법으로 평가하였다.The concrete specimens of Examples 1 to 3 and Comparative Examples 1 and 2 were tested for chemical resistance and salt penetration resistance, and the results are shown in Table 4. In the chemical resistance test, the concrete specimens were immersed in a 30% aqueous hydrochloric acid solution for 5 hours, and then the compressive strength was measured. The resistance to salt penetration was evaluated by KS F 2711-2002 (Method of Test for Chloride Ion Penetration Resistance of Concrete by Electrical Conductivity) Respectively.
(N/mm2)Chemical resistance
(N / mm 2 )
(%)Salt penetration resistance
(%)
이와 같이 실시예 1 내지 3은 비교예 1 및 2에 비하여 압축강도, 동결융해저항성, 내화학성 및 염분침투저항성이 크게 우수한 것을 확인할 수 있다.Thus, it can be seen that Examples 1 to 3 are superior in compressive strength, freeze-thaw resistance, chemical resistance, and salt penetration resistance to those of Comparative Examples 1 and 2.
Claims (6)
상기 검화된 혼합용액에 상기 레미콘 회수수 100중량부 대비 음이온 AE(Air-Entraining)제 20~30중량부, PC(polycarboxylate)계 혼화제 1~5중량부를 혼합하는 단계;를 포함하는 것을 특징으로 하는 발수·방수성 콘크리트용 표면처리제의 제조방법.5 to 15 parts by weight of pine resin and 5 to 15 parts by weight of waste cooking oil are mixed with 100 parts by weight of recovered water having a pH of 11 to 12, followed by heating to 60 to 80 ° C for saponification;
20 to 30 parts by weight of anion AE (air-entraining) and 1 to 5 parts by weight of a PC (polycarboxylate) admixture, relative to 100 parts by weight of the remicon recovered water, (JP) METHOD FOR MANUFACTURING SURFACE TREATMENT FOR WATER / WATERPROOFING CONCRETE
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