KR20030083981A - The method of building materials by sludge and used powder paint - Google Patents
The method of building materials by sludge and used powder paint Download PDFInfo
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- KR20030083981A KR20030083981A KR1020020022429A KR20020022429A KR20030083981A KR 20030083981 A KR20030083981 A KR 20030083981A KR 1020020022429 A KR1020020022429 A KR 1020020022429A KR 20020022429 A KR20020022429 A KR 20020022429A KR 20030083981 A KR20030083981 A KR 20030083981A
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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
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- 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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Abstract
Description
슬러지는 예전에는 혐기처리에 의해 오니를 안정화한 후 탈수하여 매립하는 방법으로 처리되었으나 생활오수의 엄청난 증가로 인해 이러한 방법이 곤란하여 정수장 슬러지를 직접 기계 탈수한 후 소각하는 방법을 취하고 있다.In the past, sludge has been treated by stabilizing sludge by anaerobic treatment and then dewatering and reclaiming it. However, due to the huge increase in domestic sewage, this method is difficult. Therefore, sludge is directly dewatered and incinerated.
국내에서 소각되어 나온 소각 잔재물의 배출량은 년간 400만톤 이상으로 추정되고 있으며, 이 양의 일부분(약30%)만이 일반 벽돌 등으로 소량 재활용되고 나머지는 매립(약 70%)되고 있는 실정이다.It is estimated that the amount of incineration residues incinerated in Korea is more than 4 million tons per year, and only a part of this amount (about 30%) is recycled in a small amount by general bricks and the rest is landfilled (about 70%).
이러한 탈수된 슬러지케이크나 소각 잔재물을 매입하는 경우 매립지의 확보나 이로부터 용출되는 유해물질로 인한 지하수오염 등 여러 가지 문제를 야기하고 있다.The purchase of such dehydrated sludge cakes or incineration residues causes various problems such as securing landfills and groundwater contamination due to harmful substances eluted from them.
또한 분체도료는 각종의 산업현장에서 분체도장작업에 사용되는 것으로 액체도료와 달리 분말로 되어있는 것이 특징이며, 이는 각종의 산업현장에서 분체도장작업이 완료되고 나면 작업량의 20~30%의 분체도료가 도장작업과정에서 낙하되는 폐분체파우더가 분말 혹은 일정크기로 결합된 덩어리로 발생하게 된다.In addition, powder coating is used for powder coating in various industrial sites, and unlike powder coating, it is characterized by being powder. This is 20 ~ 30% of powder coating after finishing powder coating in various industrial sites. Waste powder powder that is dropped during the painting process is generated as a powder or agglomerates combined to a certain size.
이러한 폐분체도료는 팬이 부설된 회수장치 압축기에의해 수집하여 다시 신분체도료와 함께 사용되기도 하나, 도장과정에서 발생하는 여러 가지 불순물을 함유하고 있어 순도가 떨어져 피복성이 낮아 대부분 폐기물로 처리된다. 이 폐기물의 처리는 매립되거나 바다에 투기되어 왔는데 이에 따른 환경오염과 관련법규의 정비로 이러한 처리가 용이치 않아 재활용의 필요성이 절실하다.These waste powder paints are collected by the fan-mounted recovery device compressor and used together with the new powder paints, but they contain various impurities generated during the painting process. . The disposal of this waste has been landfilled or dumped at sea. Accordingly, due to environmental pollution and maintenance of related laws, such disposal is not easy, and the necessity of recycling is urgently needed.
따라서, 상기와 같은 종래기술의 문제점을 해결하기 위해 안출된 본 발명은 슬러지와 폐분체도료를 이용함으로서 자원과 에너지원의 낭비를 막고, 악취와 유독가스 등에 의한 대기, 토양 및 수질오염을 방지할 수 있다. 또한, 폐기물처리 및 이에 따른 공해문제도 해소하며 새로운 건축자재의 조성물을 만들어 폐자원의 재활용에 의한 환경보호와 경랑의 건축자재를 경제적으로 생산하는 방법을 제공 합에 목적이 있다.Therefore, the present invention devised to solve the problems of the prior art as described above is to prevent the waste of resources and energy sources by using sludge and waste powder coating, to prevent air, soil and water pollution by odor and toxic gas, etc. Can be. In addition, it aims to solve the waste treatment and the pollution problem, and to provide a method of economically producing construction materials in Gyeong-ri and environmental protection by recycling waste resources by making a composition of new building materials.
즉, 본 발명이 이루고자 하는 기술적 과제는 슬러지와 폐분체도료를 재활용하여 건축용 내외장재 및 바닥재, 인조대리석등의 건축자재를 제조하는 방법에 관한 것이다.That is, the technical problem to be achieved by the present invention relates to a method for manufacturing building materials such as interior and exterior materials for building and flooring, artificial marble by recycling sludge and waste powder paint.
상기 목적을 달성하기 위한 슬러지와 분체도료를 재활용하여 건축용 내외장재 등의 건축자재를 제조하는 방법으로서, 건조중량비 70~60% 슬러지에 중량비 15~20% 시멘트와 중량비 15~20% 폐분체도료를 혼합하여 250∼350℃에서 2∼8분간 성형하여건조시킨 것을 특징으로 한다.As a method of manufacturing building materials such as interior and exterior materials for building by recycling sludge and powder coating for achieving the above object, mixing weight ratio 15-20% cement and weight ratio 15-20% waste powder paint to 70-60% sludge And dried at 250 to 350 ° C. for 2 to 8 minutes.
본 발명을 설명하기에 앞서, 먼저 본 발명에 이용되는 슬러지와 폐분체도료의 특성에 대해 살펴본다.Prior to describing the present invention, first, the characteristics of the sludge and the waste powder coating used in the present invention will be described.
슬러지에는 정수장 슬러지, 제지 슬러지, 분뇨 슬러지 등이 있는데 이러한 것들 중 본원발명에서는 정수장 슬러지를 예를 들어 설명하기로 한다. 이 슬러지를 소각 처리하여 이용하게 되는데, 불필요한 성분인 유기물이나 수분을 제거하기 위해서는 약 1200도 이상의 고열로 약10분 이상의 처리를 거쳐야 한다.Sludge is a water purification plant sludge, paper sludge, manure sludge, etc. Among these, the present invention will be described by taking an example of a water purification plant sludge. This sludge is used by incineration, but in order to remove unnecessary organic matter and water, the sludge needs to be treated at a high temperature of about 1200 degrees or more for about 10 minutes or more.
이러한 처리를 거쳐 나온 슬러지의 성분비는 다음과 같다.The composition ratio of the sludge obtained through such treatment is as follows.
일반적으로 분체도료는 폴리에스테르계 분체도료 및 에폭시-폴리에스터계 분체도료가 주로 사용되고 있다. 이들의 일반적인 조성은 하기 표와 같다.In general, powder coating is mainly used polyester powder coating and epoxy-polyester powder coating. Their general composition is shown in the table below.
분체도료는 정전도장방법이나 유동침지법에 의해 도장하는데 정전도장방법에 의하는 경우 20~30%의 비산되는 폐분체파우더가 발생한다. 본원발명은 폐기물로 처리되어 왔던 폐분체파우더를 팬이 달린 회수장치압축기에 의해 수집하여 재활용한다.Powder coating is applied by electrostatic coating method or flow immersion method, but when using electrostatic coating method, 20 ~ 30% of pulverized powder powder is generated. The present invention collects and recycles waste powder powder which has been treated as waste by a recovery device compressor equipped with a fan.
따라서 본 발명자는 이러한 슬러지와 폐분체도료를 재활용하여 국가환경정책에 부응하고, 건축업체에도 경제적인 도움을 주며, 환경오염을 막을 수 있는 방법을 연구하게 되었으며, 그 결과 폐기물로부터 유용한 건축자재를 얻을 수 있는 방법을 알게되었다Therefore, the present inventors have recycled such sludge and waste powder paint to meet the national environmental policy, provide economic help to building companies, and study ways to prevent environmental pollution. As a result, we obtain useful building materials from waste. Got to know how
상기한 목적을 달성하기 위한 본 발명에 의하면 슬러지와 폐분체도료와 시멘트를 혼합하여 희망하는 형상의 금형에 넣고, 이를 가열 건조하는 것을 특징으로 하는 슬러지와 폐분체도료를 이용한 건축자재의 제조방법이 제공된다.According to the present invention for achieving the above object is a method of manufacturing building materials using sludge and waste powder coating, characterized in that the sludge, waste powder paint and cement are mixed and put into a mold of a desired shape and heated and dried. Is provided.
본 제조방법에 있어서, 슬러지와 폐분체도료와 시멘트의 혼합비율은 목적하는 건축자재의 종류에 따라 다양하게 변경할 수 있으나 다음 (비교예2)에서 보는바와 같이 최소한의 강도를 유지하고 경제성을 고려해 보았을 때 분체도료가 전체중량비100%로 하였을 때 중량비15%이상 함유하여야 한다. 또한 시멘트의 함유가 없는 경우 발화의 위험이 있으므로 이를 보완하기 위해 시멘트를 함유시키는데 경제적 측면을 고려하여 전체중량비를 100%로 하였을 때 중량비15~20% 혼합하는 것이 적당하다. 따라서 건조중량비 70~60% 슬러지에 중량비 15~20% 폐분체도료와 중량비 15~20% 시멘트로 혼합하는 것이 바람직하다.In this manufacturing method, the mixing ratio of sludge, waste powder paint and cement can be changed in various ways according to the type of building materials desired. However, as shown in (Comparative Example 2), the minimum strength and economical efficiency were considered. When powder coating is 100% by weight, it should contain more than 15% by weight. In addition, since there is a risk of ignition in the absence of cement, it is advisable to mix 15 to 20% by weight when the total weight ratio is 100% in consideration of economic aspects in order to supplement the cement. Therefore, it is preferable to mix the dry weight ratio 70-60% sludge with the weight ratio 15-20% waste powder paint and the weight ratio 15-20% cement.
또한 가열건조는 슬러지와 폐분체도료, 시멘트가 충분히 혼합되고 수분이 증발 제거 되기에 적절한 온도에서 수행하는 것이 요구되며, 대부분의 건축자재 제조의 경우 250~350℃의 온도범위로 5~10분간 성형하는 것이 바람직하다. 위 범위 내에서 온도가 낮을 수록 필요한 건조시간이 길어진다.In addition, the heating and drying is required to be carried out at a suitable temperature to sufficiently mix the sludge, waste powder coating, and cement and to evaporate moisture, and in the case of manufacturing most construction materials, it is molded for 5 to 10 minutes at a temperature range of 250 to 350 ° C. It is desirable to. The lower the temperature in the above range, the longer the required drying time.
희망하는 건축자제의 종류에 따라 첨가물을 혼합할 수 있는데 대리석, 화강암 등의 쇄석과 백색시멘트, 안료를 혼합물에 중량비15~20%로 혼합하여 성형틀에서 가열 건조시키면 슬러지와 폐분체도료를 혼합한 인조대리석을 얻을 수 있으며, 발포제를 혼합하여 성형틀에서 한정 발포시키면 각종의 판재나 패널 등의 경량 건축용 내외장제를 얻을 수 있다.Additives can be mixed according to the type of building materials desired. Mix the crushed stone such as marble and granite, white cement and pigment in the mixture in a weight ratio of 15 ~ 20%, and heat-dry in the molding mold to mix sludge and waste powder paint. Artificial marble can be obtained, and when the foaming agent is mixed and foamed in a molding die, a lightweight building interior and exterior agent such as various plates and panels can be obtained.
또한 가열 건조되어 나온 성형물에 자제의 용도에 따라 방수성 수지나 염료, 도포제, 항균제 등을 사용하여 성형물을 재 가공하여 사용할 수 있다.In addition, the molded article can be used by reprocessing the molded article using a waterproofing resin, a dye, a coating agent, an antimicrobial agent, or the like according to the use of the magnetic material.
이하 본 발명을 하기 한 실시예를 통해 보다 구체적으로 설명하기로 하나 이는 본 발명의 이해를 돕기 위해 제시된 것일 뿐 본 발명이 이에 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples, which are only presented to aid the understanding of the present invention, but the present invention is not limited thereto.
[실시예1]Example 1
정수장 슬러지를 소각하여 건조시킨 후 폐분체도료와 시멘트를 전체중량 100%로 하였을 때 각각 건조중량비 70~60%:15~20%:15~20%로 혼합하고, 가열건조 온도 300℃, 건조시간 5분으로 하여 지름5㎝, 높이7㎝의 성형물을 제조하였다.After incineration and drying of water purification plant sludge, when the powder and cement powder are 100% of the total weight, they are mixed at a dry weight ratio of 70 to 60%: 15 to 20%: 15 to 20%, respectively. In 5 minutes, a molded product having a diameter of 5 cm and a height of 7 cm was produced.
(비교예1)에서는 정수장 슬러지와 폐분체도료만으로 전체중량100%로 하였을 때 건조중량비 50%:50%로 혼합하여 위와 같이 가열건조 온도 300℃, 건조시간 5분으로 하여 지름 5㎝, 높이 7㎝의 성형물을 제조하였다.(Comparative Example 1) When the total weight is 100% by water purification sludge and waste powder paint alone, the dry weight ratio is mixed by 50%: 50%, and the heating and drying temperature is 300 ℃ and the drying time is 5 minutes. A molding of cm was prepared.
(비교예2)에서는 정수장 슬러지와 폐분체도료, 시멘트를 전체중량100%로 하였을 때 건조중량비 75~65%:10~15%:15~20%로 혼합하여 위와 같은 가열건조 온도300℃에 건조시간 5분으로 하여 지름 5㎝, 높이 7㎝의 성형물을 제조하였다.(Comparative Example 2) When the water purification plant sludge, waste powder coating, and cement are 100% of the total weight, they are mixed in a dry weight ratio of 75 to 65%: 10 to 15%: 15 to 20%, and dried at the above heating and drying temperature of 300 ° C. A molded article having a diameter of 5 cm and a height of 7 cm was produced in 5 minutes.
강도는 만들어진 성형물이 제품으로 활용되기 위한 최소한의 하중인 1㎏하중을 견딜 수 있는지 여부로 판단하였으며, 발화여부는 불꽃을 접했을 때 성형물 자체가 연소하는지 여부로 판단하였다.The strength was determined by whether the molded product could withstand the 1kg load, which is the minimum load to be used as a product, and whether or not the ignition was combusted by contact with the flame.
위 표3에서와 같이 비교예1에서 슬러지와 폐분체도료로 이루어진 경우 성형물자체가 발화해버려 실시예1와 비교해 보았을때 안전성이 떨어져 제품으로서의 가치가 적다.As shown in Table 3 above, in the case of the sludge and the waste powder coating in Comparative Example 1, the molding itself ignites and the safety is low compared to Example 1, resulting in less value as a product.
혼합비에서 시멘트의 혼합비를 늘이면 강도가 높아지는 것은 당연하지만 본 발명의 목적이 슬러지와 폐분체도료를 이용하여 환경친화적이고 경제적인 건축자재를 반드는 방법이므로 슬러지와 폐분체도료간의 혼합비를 생각해볼 필요가 있다.Increasing the mixing ratio of cement in the mixing ratio, the strength is natural, but the purpose of the present invention is to use environmentally friendly and economical building materials using sludge and waste powder paint, so it is necessary to consider the mixing ratio between sludge and waste powder paint. There is.
비교예2에서는 슬러지와 폐분체도료, 시멘트를 건조중량비 75~65%:10~15%:15~20%로 혼합한 경우로서 실시예2와 비교해 보았을 때 강도가 불량하여 제품으로서의 가치가 떨어진다.In Comparative Example 2, the sludge, the waste powder coating, and the cement were mixed at a dry weight ratio of 75 to 65%: 10 to 15%: 15 to 20%.
따라서 강도와 발화여부, 경제성을 고려하였을 때 슬러지와 폐분체도료와 시멘트의 적정혼합비는 각각 건조중량비 70~60%:15~20%:15~20%가 된다.Therefore, considering the strength, ignition and economic feasibility, the proper mixing ratio of sludge, waste powder paint and cement is 70 to 60%: 15 to 20%: 15 to 20%, respectively.
[실시예2]Example 2
실시예1의 혼합체에 대리석, 화강암 등의 쇄석과 백색시멘트, 안료를전체중량비100%로 하였을 때 중량비 15~30%로 혼합하여 성형과정을 거쳐 인조대리석을 제조한다.When the crushed stone, such as marble and granite, white cement, and pigment are mixed in the mixture of Example 1 at a total weight ratio of 100%, the artificial marble is manufactured through a molding process by mixing at a weight ratio of 15 to 30%.
[실시예3]Example 3
실시예 1의 혼합체에 발포제를 첨가하여 성형한 후 건조하여 각종 판재나 패널 등의 경량건축용 내외장제를 얻는다.A foaming agent is added to the mixture of Example 1, followed by molding, followed by drying to obtain a lightweight building interior and exterior agent such as various plates and panels.
[실시예4]Example 4
실시예 1에서 나온 성형물에 염료를 첨가하여 다양한 색의 건축자재를 얻는다.Dye is added to the molding from Example 1 to obtain building materials of various colors.
[실시예5]Example 5
실시예 1에서 나온 성형물에 방수성을 부여하기 위하여 에폭시수지, 우레탄수지, 페놀수지, 폴리에스테르수지, 멜라민수지, 폴리에틸렌수지 등의 방수성 수지를 첨가하여 건축자재를 얻는다. 이때 충분한 방수성을 나타내기 위해서는 전체중량비100%로 하였을 때 10중량%이상은 함유하여야하나 첨가량을 15중량%이상으로 할 경우 오히려 제조원가만 상승시키는 문제점이 있으므로 상기의 범위 내에서 방수성 수지를 첨가하는 것이 바람직하다.In order to impart waterproofness to the molded article of Example 1, waterproofing resins such as epoxy resin, urethane resin, phenol resin, polyester resin, melamine resin, and polyethylene resin are added to obtain building materials. At this time, in order to exhibit sufficient waterproofness, when the total weight ratio is 100%, 10% by weight or more should be contained, but when the added amount is 15% by weight or more, there is a problem that only increases the manufacturing cost. desirable.
[실시예6]Example 6
실시예 1에서 나온 성형물에 페놀수지도료나 비닐수지도료, 알키드수지도료등 다양한 도포제로 도포하여 건축자재를 얻는다.The building material obtained in Example 1 is applied with various coating agents such as phenol resin, vinyl resin, and alkyd resin.
이상에서 상세히 살펴 본 바와 같이 본 발명은 산업 폐기물로 처리할 슬러지와 폐분체도료를 재활용하여 건축자재를 제조함으로서 산업 폐기물 발생 억제 효과와 처리비용 절감, 건축자재제조시의 원재료비 절감의 효과가 있다.As described in detail above, the present invention has the effect of suppressing industrial waste generation, reducing treatment costs, and reducing raw material costs when manufacturing building materials by manufacturing building materials by recycling sludge and waste powder paint to be treated as industrial waste.
특히, 본 발명에서는 폐기물의 활용비율이 성형물의 80~85%를 차지하므로 기존의 산업폐기물 재활용방법에 비하여 자원재활용 효율이 높아 상기와 같은 제조비용절감과 환경친화적 효과가 배가된다.In particular, in the present invention, since the utilization ratio of the waste occupies 80 to 85% of the molding, the resource recycling efficiency is higher than that of the existing industrial waste recycling method, thereby reducing the manufacturing cost and the environmentally friendly effect as described above.
본 발명에는 슬러지와 폐분체도료의 혼합물에 희망에 따라 다른 혼합물을 부가 할 수 있어 다양한 건축용 내외장재 제조할 수 있다. 예를 들면, 대리석, 화강암 등의 쇄석과 백색시멘트, 안료 등을 첨가하여 인조대리석을 만들 수 있고, 발포제를 첨가하여 다공의 보온성 건축자재를 얻을 수 있다.In the present invention, it is possible to add other mixtures to the mixture of sludge and waste powder coating, as desired, to produce a variety of interior and exterior materials for construction. For example, artificial marble can be added by adding crushed stone such as marble and granite, white cement, pigment, and the like, and a porous insulating building material can be obtained by adding a blowing agent.
또한 슬러지와 폐분체도료를 재활용하여 제조된 건축자재는 경량으로 구조체의 무게부담을 줄여 건물의 내외장제로 효과적이며 강도 면에서 일반콘크리트와 같으면서도 무게를 줄일 수 있어 취급이 편하다. 2차가공성도 뛰어나 특수 공구가 필요 없이 쉽게 절단이나 가공이 가능하며, 필요에 따라 표면에 착색이나 도장이 가능하고 방수성 수지나 항균제를 첨가하는 등 성형물 가공이 용이하다.In addition, the building materials manufactured by recycling sludge and waste powder paint are light weight, reducing the weight burden of the structure, and are effective as interior and exterior building materials. In terms of strength, they are easy to handle because they can reduce weight while being the same as general concrete. It has excellent secondary processability, so it can be easily cut or processed without the need for special tools. It can be colored or painted on the surface as needed, and it is easy to process moldings by adding waterproof resin or antibacterial agent.
이에 따라 각종의 판재나 블록, 벽돌, 패널, 스레이트, 기와, 판넬, 칸막이 등 다양한 구조물을 만들어 사용할 수 있고 금형에 따라 두께조절이 자유롭고 착색이 가능하며, 누구나 손쉽게 전문 시공기술 없이도 가공할 수 있는 자원재활용 건축용 내외장제를 만들 수 있다.Accordingly, various structures such as plate, block, brick, panel, slate, roof tile, panel, and partition can be made and used.The thickness can be freely adjusted and colored according to the mold, and anyone can easily process without professional construction technology. Can make interior and exterior recyclable construction.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160143441A (en) | 2015-06-05 | 2016-12-14 | 박도아 | Building material by granite sludge and Manufacturing method thereof |
| KR20180004460A (en) | 2016-07-04 | 2018-01-12 | 박도아 | Building material using granite, cinder and basalt and Manufacturing method thereof |
| KR102427050B1 (en) * | 2021-12-08 | 2022-07-28 | 이창구 | Composition for building material comprising waste powder coating and ecofriendly material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR940011388A (en) * | 1992-11-19 | 1994-06-21 | 김영직 | Brick manufacturing method using sludge |
| US5489333A (en) * | 1993-10-25 | 1996-02-06 | Board Of Trustees Operating Michigan State University | Shrinkage compensating concrete with expansive additive |
| KR0148859B1 (en) * | 1995-11-23 | 1998-10-15 | 김주환 | Method for preparing lightweight sand |
| KR0139432B1 (en) * | 1996-01-19 | 1998-06-01 | 한창훈 | Method of producing building material using waste painting power |
| KR100263183B1 (en) * | 1998-06-08 | 2000-09-01 | 황승국 | Composite pannel manufacturing method for construction |
| KR100386536B1 (en) * | 2000-01-27 | 2003-06-02 | 주식회사 명세당 신소재연구소 | An artificial stone using disposable paint |
| KR100483756B1 (en) * | 2000-09-08 | 2005-04-18 | 현대페인트공업 주식회사 | Composites of Ascon Activated With Waste Powder Coating and its Manufacturing Methods |
| KR20010007824A (en) * | 2000-09-28 | 2001-02-05 | 최재승 | The concrete manufacture of mud |
| KR20010107907A (en) * | 2001-11-16 | 2001-12-07 | 김성호 | A manufacturing process of compressed cement using disposable paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20160143441A (en) | 2015-06-05 | 2016-12-14 | 박도아 | Building material by granite sludge and Manufacturing method thereof |
| KR20180004460A (en) | 2016-07-04 | 2018-01-12 | 박도아 | Building material using granite, cinder and basalt and Manufacturing method thereof |
| KR102427050B1 (en) * | 2021-12-08 | 2022-07-28 | 이창구 | Composition for building material comprising waste powder coating and ecofriendly material |
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