KR102142339B1 - An eco-friendly industrial materials using oyster shell - Google Patents
An eco-friendly industrial materials using oyster shell Download PDFInfo
- Publication number
- KR102142339B1 KR102142339B1 KR1020180163430A KR20180163430A KR102142339B1 KR 102142339 B1 KR102142339 B1 KR 102142339B1 KR 1020180163430 A KR1020180163430 A KR 1020180163430A KR 20180163430 A KR20180163430 A KR 20180163430A KR 102142339 B1 KR102142339 B1 KR 102142339B1
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- parts
- composition
- oyster shell
- industrial materials
- Prior art date
Links
Classifications
-
- 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
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
Abstract
본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함하는 산업자재용 조성물에 관한 것으로, 보다 상세하게는 폐기되는 굴패각을 재활용함으로써 환경문제를 해결할 수 있고 산업자재의 압축강도를 향상시키고 흡수율을 줄일 수 있는 산업자재용 조성물에 관한 것이다.
본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함함으로써, 폐기되는 굴패각을 재활용하여 환경문제를 해결할 수 있는 산업자재용 조성물을 제공할 수 있다.
또한 본 발명의 조성물은 벽돌, 블록, 시멘트 블록, 보도블록, 콘크리트 블록, 건축용 내외장재, 산업용 내외장재 등의 건축자재, 산업자재 등을 제조하는데 사용될 수 있다. The present invention is water; Oyster shell particles; cement; And it relates to a composition for an industrial material comprising a curing agent, and more particularly, to solve the environmental problem by recycling the oyster shell that is discarded, and to improve the compressive strength of the industrial material and to reduce the absorption rate.
The present invention is water; Oyster shell particles; cement; And by including a curing agent, it is possible to provide a composition for industrial materials that can solve environmental problems by recycling the waste shells.
In addition, the composition of the present invention can be used to manufacture building materials, industrial materials, such as bricks, blocks, cement blocks, sidewalk blocks, concrete blocks, building interior and exterior materials, and industrial interior and exterior materials.
Description
본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함하는 산업자재용 조성물에 관한 것으로, 보다 상세하게는 폐기되는 굴패각을 재활용함으로써 환경문제를 해결할 수 있고 산업자재의 압축강도를 향상시키고 흡수율을 줄일 수 있는 산업자재용 조성물에 관한 것이다. The present invention is water; Oyster shell particles; cement; And it relates to a composition for an industrial material comprising a curing agent, and more particularly, to solve the environmental problem by recycling the oyster shells that are discarded, to improve the compressive strength of industrial materials and to reduce the absorption rate of industrial materials.
굴패각(굴껍질)은 남해안을 중심으로 해마다 많은 양이 발생하고 있으며, 이를 비료나 굴양식을 위해 일부 재활용하고 있지만, 대부분은 폐기되고 있다. Oyster shells (oyster shells) are produced in large quantities each year, mainly on the south coast, and some of them are recycled for fertilizer and oyster farming, but most of them are discarded.
굴패각은 주성분이 탄산칼슘으로서, 단열성능 및 기계적 특성이 우수하여 건축자재, 산업자재 등으로 활용이 가능하다. The main component of oyster shell is calcium carbonate, which has excellent thermal insulation performance and mechanical properties, so it can be used as building materials and industrial materials.
현재 건축자재 및 산업자재로 주로 사용되는 시멘트는 중금속과 발암물질을 포함하고 있어 사용에 어려움이 있으며, 건축자재의 필수성분인 모래, 자갈 등은 수급에 문제가 있다. Currently, cement mainly used as building materials and industrial materials contains heavy metals and carcinogens, making it difficult to use. Sand and gravel, which are essential components of building materials, have problems in supply and demand.
따라서 굴패각을 활용하여 벽돌, 블록, 건축용 내외장재, 산업용 내외장재 등에 적용하고자 하는 다양한 시도가 이루어지고 있다. Therefore, various attempts have been made to apply oyster shells to bricks, blocks, interior and exterior materials for construction, and interior and exterior materials for industrial use.
이와 관련하여 한국등록특허 제10-1721247호는 굴패각 분쇄물, 시멘트, 골재, 아미노산, 조강제 및 물과 혼합하여 제조되는 콘크리트 블록을 개시하고 있다. In this regard, Korean Registered Patent No. 10-1721247 discloses a concrete block prepared by mixing with oyster shell crushed material, cement, aggregate, amino acid, crude steel, and water.
그러나 상기 기술은 콘크리트 블록의 압축강도가 낮고 흡수율이 증가하여 건축자재로 장기간 안정적으로 사용될 수 없다. However, the above technique cannot be used stably for a long period of time as a building material because the compressive strength of the concrete block is low and the absorption rate is increased.
본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 물; 굴패각 입자; 시멘트; 및 경화제를 포함함으로써, 폐기되는 굴패각을 재활용하여 환경문제를 해결할 수 있는 산업자재용 조성물을 제공하는 것을 목적으로 한다. The present invention has been made to solve the above problems, water; Oyster shell particles; cement; And by including a curing agent, it is an object to provide a composition for industrial materials that can solve environmental problems by recycling the discarded oyster shell.
또한 본 발명은 경화제로서 아크릴계 고분자 및 라텍스계 고분자를 사용함으로써 산업자재의 압축강도를 향상시키고 흡수율을 줄일 수 있는 산업자재용 조성물을 제공하는 것을 목적으로 한다. In addition, an object of the present invention is to provide a composition for industrial materials that can improve the compressive strength of industrial materials and reduce the absorption rate by using acrylic polymers and latex polymers as curing agents.
상기와 같은 목적을 달성하기 위하여, 본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함하는 산업자재용 조성물을 제공한다.In order to achieve the above object, the present invention is water; Oyster shell particles; cement; And it provides a composition for industrial materials comprising a curing agent.
본 발명의 일 실시예에 있어서, 상기 굴패각 입자의 입경은 1~3mm 인 것을 특징으로 한다.In one embodiment of the present invention, the particle size of the oyster shell particles is characterized in that 1 ~ 3mm.
본 발명의 일 실시예에 있어서, 상기 경화제는 아크릴계 고분자 및 라텍스계 고분자에서 선택되는 하나 이상인 것을 특징으로 한다.In one embodiment of the present invention, the curing agent is characterized in that at least one selected from acrylic polymers and latex polymers.
본 발명의 일 실시예에 있어서, 상기 산업자재용 조성물은 시멘트 100중량부에 대하여 굴패각 입자 300~600중량부, 경화제 5~20중량부 및 물 50~150중량부를 포함하는 것을 특징으로 한다.In one embodiment of the present invention, the composition for industrial materials is characterized in that it contains 300 to 600 parts by weight of oyster shell particles, 5 to 20 parts by weight of curing agent and 50 to 150 parts by weight of water with respect to 100 parts by weight of cement.
또한 본 발명은 상기 산업자재용 조성물로부터 제조되는 콘크리트 블록을 제공한다.In addition, the present invention provides a concrete block prepared from the composition for industrial materials.
본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함함으로써, 폐기되는 굴패각을 재활용하여 환경문제를 해결할 수 있는 산업자재용 조성물을 제공할 수 있다. The present invention is water; Oyster shell particles; cement; And by including a curing agent, it is possible to provide a composition for industrial materials that can solve the environmental problems by recycling the waste shells.
또한 본 발명은 경화제로서 아크릴계 고분자 및 라텍스계 고분자를 사용함으로써 산업자재의 압축강도를 향상시키고 흡수율을 줄일 수 있는 산업자재용 조성물을 제공할 수 있다. In addition, the present invention can provide a composition for industrial materials that can improve the compressive strength of industrial materials and reduce the absorption rate by using acrylic polymers and latex polymers as curing agents.
아울러 본 발명의 조성물은 벽돌, 블록, 시멘트 블록, 보도블록, 콘크리트 블록, 건축용 내외장재, 산업용 내외장재 등의 건축자재, 산업자재 등을 제조하는데 사용될 수 있다. In addition, the composition of the present invention may be used to manufacture bricks, blocks, cement blocks, sidewalk blocks, concrete blocks, building interior and exterior materials, industrial interior and exterior materials, and other construction materials and industrial materials.
이하 실시예를 바탕으로 본 발명을 상세히 설명한다. 본 발명에 사용된 용어, 실시예 등은 본 발명을 보다 구체적으로 설명하고 통상의 기술자의 이해를 돕기 위하여 예시된 것에 불과할 뿐이며, 본 발명의 권리범위 등이 이에 한정되어 해석되어서는 안 된다.Hereinafter, the present invention will be described in detail based on examples. The terms, examples, and the like used in the present invention are merely exemplified in order to explain the present invention in more detail and help a person skilled in the art understand, and the scope of the present invention should not be interpreted as being limited thereto.
본 발명에 사용되는 기술 용어 및 과학 용어는 다른 정의가 없다면 이 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 통상적으로 이해하고 있는 의미를 나타낸다. Technical terms and scientific terms used in the present invention, unless otherwise defined, refer to meanings commonly understood by those skilled in the art to which this invention belongs.
본 발명은 물; 굴패각 입자; 시멘트; 및 경화제를 포함하는 산업자재용 조성물에 관한 것이다. The present invention is water; Oyster shell particles; cement; And it relates to a composition for industrial materials comprising a curing agent.
상기 산업자재용 조성물은 시멘트 100중량부에 대하여 굴패각 입자 300~600중량부, 경화제 5~20중량부 및 물 50~150중량부를 포함할 수 있다. The composition for industrial materials may include 300 to 600 parts by weight of oyster shell particles, 5 to 20 parts by weight of curing agent, and 50 to 150 parts by weight of water with respect to 100 parts by weight of cement.
상기 물은 조성물의 농도를 조절하고, 상기 경화제와 함께 조성물을 경화시키기 위한 것으로서, 물의 함량은 시멘트 100중량부에 대하여 50~150중량부인 것이 바람직하다. 물의 함량이 50중량부 미만인 경우 균일한 조성물을 형성할 수 없고 가공성이 저하되며, 함량이 150중량부를 초과하면 경화특성이 저하될 수 있다. The water is to control the concentration of the composition and to cure the composition together with the curing agent, the content of water is preferably 50 to 150 parts by weight relative to 100 parts by weight of cement. When the content of water is less than 50 parts by weight, a uniform composition cannot be formed, and workability is deteriorated. If the content exceeds 150 parts by weight, curing properties may be deteriorated.
상기 굴패각 입자는 굴패각을 전처리한 후 이를 분쇄하는 단계를 거쳐 제조된다. The oyster shell particles are prepared by pre-treating the oyster shells and then grinding them.
이때 전처리는 굴패각 표면에 붙어있는 다양한 불순물을 제거하기 위해 사용된다. At this time, the pretreatment is used to remove various impurities attached to the surface of the oyster shell.
이를 위해 굴패각을 미생물반응장치에 투입한 후 미생물로 처리하여 불순물을 제거하거나 분사장치를 통하여 미생물을 포함하는 용액을 굴패각에 분사하여 불순물을 제거할 수 있다. To this end, the oyster shell may be introduced into the microbial reaction device and then treated with microorganisms to remove impurities or to remove impurities by spraying a solution containing microorganisms into the oyster shell through an injection device.
전처리된 굴패각을 수득하여 물로 세척한 후 건조한 다음 분쇄하여 굴패각 입자를 제조한다. The pre-treated oyster shell is obtained, washed with water, dried, and then pulverized to prepare oyster shell particles.
이때 굴패각 입자의 입경은 1~3mm 인 것이 바람직하며, 입자의 입경이 1mm 미만이면 흡수율이 증가하고, 입경이 3mm를 초과하면 기계적 특성이 저하된다. At this time, it is preferable that the particle diameter of the oyster shell particles is 1 to 3 mm, and if the particle diameter is less than 1 mm, the absorption rate increases, and when the particle diameter exceeds 3 mm, mechanical properties are deteriorated.
굴패각 입자의 함량은 시멘트 100중량부에 대하여 300~600중량부인 것이 바람직하다. 굴패각 입자의 함량이 300중량부 미만인 경우 기계적 특성이 저하되며, 함량이 600중량부를 초과하면 가공성이 저하될 수 있다. The content of oyster shell particles is preferably 300 to 600 parts by weight based on 100 parts by weight of cement. When the content of oyster shell particles is less than 300 parts by weight, mechanical properties are deteriorated, and if the content is more than 600 parts by weight, workability may be deteriorated.
상기 경화제는 조성물을 경화시키기 위한 것으로서, 아크릴계 고분자 및 라텍스계 고분자에서 선택되는 하나 이상이 사용될 수 있다. The curing agent is for curing the composition, one or more selected from acrylic polymers and latex polymers can be used.
상기 아크릴계 고분자는 분자 내에 아크릴기를 갖는 고분자라면 특별히 제한이 없으며, 아크릴계 모노머를 중합하여 제조되거나 아크릴계 모노머와 다른 모노머를 공중합하여 제조될 수 있다. The acrylic polymer is not particularly limited as long as it has a polymer having an acrylic group in the molecule, and may be produced by polymerizing an acrylic monomer or copolymerizing an acrylic monomer with another monomer.
또한 아크릴계 고분자 자체로 사용될 수 있고, 아크릴계 고분자 에멀젼의 형태로 사용될 수도 있다. In addition, it may be used as an acrylic polymer itself, or may be used in the form of an acrylic polymer emulsion.
상기 아크릴계 고분자는 메틸아크릴레이트, 에틸아크릴레이트, 프로필아크릴레이트, 이소프로필아크릴레이트, n-부틸아크릴레이트, 이소부틸아크릴레이트, n-아밀아크릴레이트, 이소아밀아크릴레이트, n-헥실아크릴레이트, 2-에틸헥실아크릴레이트, 히드록시메틸아크릴레이트, 2-히드록시에틸아크릴레이트, 히드록시프로필아크릴레이트, 라우릴아크릴레이트, 메틸메타크릴레이트, 에틸메타크릴레이트, 프로필메타크릴레이트, 이소프로필메타크릴레이트, n-부틸메타크릴레이트, 이소부틸메타크릴레이트, n-아밀메타크릴레이트, 이소아밀메타크릴레이트, n-헥실메타크릴레이트, 2-에틸헥실메타크릴레이트, 히드록시메틸메타크릴레이트, 히드록시프로필메타크릴레이트, 라우릴메타크릴레이트, 아크릴산, 메타크릴산 또는 이들의 혼합물을 중합시켜 제조될 수 있다.The acrylic polymer is methyl acrylate, ethyl acrylate, propyl acrylate, isopropyl acrylate, n-butyl acrylate, isobutyl acrylate, n-amyl acrylate, isoamyl acrylate, n-hexyl acrylate, 2 -Ethylhexyl acrylate, hydroxymethylacrylate, 2-hydroxyethylacrylate, hydroxypropylacrylate, laurylacrylate, methylmethacrylate, ethylmethacrylate, propylmethacrylate, isopropylmethacryl Rate, n-butyl methacrylate, isobutyl methacrylate, n-amyl methacrylate, isoamyl methacrylate, n-hexyl methacrylate, 2-ethylhexyl methacrylate, hydroxymethyl methacrylate, It can be prepared by polymerizing hydroxypropyl methacrylate, lauryl methacrylate, acrylic acid, methacrylic acid or mixtures thereof.
상기 아크릴계 고분자는 하이드록실기, 카르복실기 등의 관능기를 포함할 수 있으며, 이러한 관능기는 조성물을 구성하는 성분들의 결합력을 향상시켜 산업자재의 흡수율을 감소시키고 기계적 특성을 증가시킬 수 있다. The acrylic polymer may include functional groups such as hydroxyl groups and carboxyl groups, and these functional groups may improve the bonding strength of components constituting the composition, thereby reducing the absorption rate of industrial materials and increasing mechanical properties.
상기 라텍스계 고분자는 천연고무(NR), 부타디엔 고무(BR), 스티렌-부타디엔 고무(SBR), 폴리클로로프렌 고무(CR), 아크릴로니트릴-부타디엔 고무(NBR), 이소프렌 고무(IR), 스티렌-아크릴로니트릴 고무(SAN), 아크릴로니트릴-부타디엔-스티렌 고무(ABS), 에틸렌-프로필렌 고무(EPR) 및 에틸렌-프로필렌-디엔 고무(EPDM)로부터 하나 이상 사용될 수 있다. The latex-based polymer is natural rubber (NR), butadiene rubber (BR), styrene-butadiene rubber (SBR), polychloroprene rubber (CR), acrylonitrile-butadiene rubber (NBR), isoprene rubber (IR), styrene- One or more may be used from acrylonitrile rubber (SAN), acrylonitrile-butadiene-styrene rubber (ABS), ethylene-propylene rubber (EPR) and ethylene-propylene-diene rubber (EPDM).
상기 라텍스계 고분자는 하이드록실기, 카르복실기 등의 관능기를 포함할 수 있으며, 이러한 관능기는 조성물을 구성하는 성분들의 결합력을 향상시켜 산업자재의 흡수율을 감소시키고 기계적 특성을 증가시킬 수 있다. The latex-based polymer may include a functional group such as a hydroxyl group or a carboxyl group, and this functional group may improve the bonding strength of the components constituting the composition, thereby reducing the absorption rate of industrial materials and increasing mechanical properties.
상기 경화제의 함량은 시멘트 100중량부에 대하여 5~20중량부인 것이 바람직하다. 경화제의 함량이 5중량부 미만인 경우 기계적 특성이 저하되며, 함량이 20중량부를 초과하면 내충격성이 저하될 수 있다. The content of the curing agent is preferably 5 to 20 parts by weight based on 100 parts by weight of cement. When the content of the curing agent is less than 5 parts by weight, mechanical properties are deteriorated, and when the content is more than 20 parts by weight, impact resistance may be deteriorated.
경화제로서 아크릴계 고분자 및 라텍스계 고분자를 동시에 사용할 수 있으며, 이때 아크릴계 고분자 및 라텍스계 고분자의 중량비는 60~80:20~40인 것이 바람직하다. As the curing agent, an acrylic polymer and a latex polymer can be used at the same time, and the weight ratio of the acrylic polymer and the latex polymer is preferably 60 to 80:20 to 40.
또한 상기 경화제의 pH는 8~11 인 것이 바람직하고, pH가 상기 수치범위를 가지는 경우 흡수율과 압축강도가 향상될 수 있다. In addition, it is preferable that the pH of the curing agent is 8 to 11, and when the pH has the numerical range, absorption rate and compressive strength may be improved.
또한 상기 조성물은 아크릴레이트기 함유 실란 커플링제 및 아크릴산 모노머의 공중합체를 추가로 포함할 수 있다. In addition, the composition may further include a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer.
상기 공중합체 내에 포함된 다수의 카르복실기는 시멘트, 경화제 및 굴패각 입자와 결합하여 기계적 특성 및 흡수율을 개선할 수 있다. A number of carboxyl groups included in the copolymer may be combined with cement, hardener, and oyster shell particles to improve mechanical properties and absorption.
상기 아크릴레이트기 함유 실란 커플링제로는 3-메타크릴록시프로필메틸디메톡시실란, 3-메타크릴록시프로필트리메톡시실란, 3-메타크릴록시프로필메틸디에톡시실란, 3-메타크릴록시프로필트리에톡시실란, 3-아크릴록시프로필트리메톡시실란, 메타크릴록시메틸트리에톡시실란, 메타크릴록시메틸트리메톡시실란 등이 있다. The acrylate group-containing silane coupling agent includes 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, and 3-methacryloxypropyltri Ethoxysilane, 3-acryloxypropyltrimethoxysilane, methacryloxymethyltriethoxysilane, and methacryloxymethyltrimethoxysilane.
상기 아크릴산 모노머는 아크릴산, 메타크릴산, 메틸 아크릴산, 에틸 아크릴산, 부틸 아크릴산, 2-에틸 헥실 아크릴산, 데실아크릴산, 메틸 메타크릴산, 에틸 메타크릴산, 부틸 메타크릴산, 2-에틸 헥실 메타크릴산, 데실메타크릴산 등이 있다. The acrylic acid monomer is acrylic acid, methacrylic acid, methyl acrylic acid, ethyl acrylic acid, butyl acrylic acid, 2-ethyl hexyl acrylic acid, decyl acrylic acid, methyl methacrylic acid, ethyl methacrylic acid, butyl methacrylic acid, 2-ethyl hexyl methacrylic acid , Decyl methacrylic acid, and the like.
상기 아크릴레이트기 함유 실란 커플링제 및 아크릴산 모노머의 중량비는 10~30:70~90인 것이 바람직하며, 중량비가 10:90 미만이면 조성물의 결합력이 저하되고, 30:70을 초과하면 기계적 특성이 저하된다. The weight ratio of the acrylate group-containing silane coupling agent and the acrylic acid monomer is preferably 10 to 30:70 to 90, and when the weight ratio is less than 10:90, the bonding strength of the composition decreases, and when it exceeds 30:70, mechanical properties decrease. do.
상기 아크릴레이트기 함유 실란 커플링제 및 아크릴산 모노머의 공중합체의 함량은 시멘트 100중량부에 대하여 1~10중량부인 것이 바람직하며, 공중합체의 함량이 1중량부 미만인 경우 첨가의 효과가 미미하고, 10중량부를 초과하는 경우 가공성이 저하된다. The content of the copolymer of the acrylate group-containing silane coupling agent and the acrylic acid monomer is preferably 1 to 10 parts by weight with respect to 100 parts by weight of cement, and when the content of the copolymer is less than 1 part by weight, the effect of addition is minimal, 10 When it exceeds the weight part, the workability deteriorates.
또한 상기 조성물은 카르복실기를 포함하는 불포화 단량체 및 에폭시기를 포함하는 불포화 단량체의 공중합체를 추가로 포함할 수 있다. In addition, the composition may further include a copolymer of an unsaturated monomer containing a carboxyl group and an unsaturated monomer containing an epoxy group.
상기 카르복실기를 포함하는 불포화 단량체는 카르복실기를 포함하는 비닐방향족 단량체; 카르복실기를 포함하는 아크릴레이트계 단량체; 카르복실기를 포함하는 비닐시아나이드계 단량체; 카르복실기를 포함하는 비닐할로겐계 단량체 등이 사용될 수 있다.The unsaturated monomer containing a carboxyl group includes a vinyl aromatic monomer containing a carboxyl group; Acrylate-based monomers containing a carboxyl group; Vinyl cyanide-based monomers containing a carboxyl group; Vinyl halide-based monomers including a carboxyl group may be used.
상기 에폭시기를 포함하는 불포화 단량체는 에폭시기를 포함하는 비닐방향족 단량체; 에폭시기를 포함하는 아크릴레이트계 단량체; 에폭시기를 포함하는 비닐시아나이드계 단량체; 에폭시기를 포함하는 비닐할로겐계 단량체 등이 사용될 수 있다.The unsaturated monomer containing the epoxy group is a vinyl aromatic monomer containing an epoxy group; Acrylate-based monomers containing an epoxy group; Vinyl cyanide-based monomers containing an epoxy group; Vinyl halide-based monomers containing an epoxy group and the like can be used.
상기 카르복실기를 포함하는 불포화 단량체 및 에폭시기를 포함하는 불포화 단량체의 중량비는 70~90:10~30인 것이 바람직하다. The weight ratio of the unsaturated monomer containing the carboxyl group and the unsaturated monomer containing the epoxy group is preferably 70 to 90:10 to 30.
상기 카르복실기를 포함하는 불포화 단량체 및 에폭시기를 포함하는 불포화 단량체의 공중합체의 함량은 시멘트 100중량부에 대하여 1~10중량부인 것이 바람직하며, 공중합체의 함량이 1중량부 미만인 경우 첨가의 효과가 미미하고, 10중량부를 초과하는 경우 가공성이 저하된다. The content of the copolymer of the unsaturated monomer containing the carboxyl group and the unsaturated monomer containing the epoxy group is preferably 1 to 10 parts by weight based on 100 parts by weight of cement, and when the content of the copolymer is less than 1 part by weight, the effect of addition is minimal. And, when it exceeds 10 parts by weight, workability is lowered.
상기 조성물은 보관 안정성 및 분산성을 개선하기 위해 분산제를 추가로 포함할 수 있다. The composition may further include a dispersing agent to improve storage stability and dispersibility.
상기 분산제는 폴리옥시에틸렌 소르비탄의 지방산 에스테르가 사용될 수 있으며, 폴리옥시에틸렌 소르비탄의 지방산 에스테르는 폴리옥시에틸렌 소르비탄 모노라우레이트, 폴리옥시에틸렌 소르비탄 모노팔미테이트, 폴리옥시에틸렌 소르비탄 모노스테아레이트, 폴리옥시에틸렌 소르비탄 모노올레이트 등이 제한 없이 사용될 수 있다. The dispersant may be a fatty acid ester of polyoxyethylene sorbitan, and the fatty acid ester of polyoxyethylene sorbitan may be polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monopalmitate, polyoxyethylene sorbitan monostea Rate, polyoxyethylene sorbitan monooleate and the like can be used without limitation.
상기 분산제의 함량은 시멘트 100중량부에 대하여 1~5중량부인 것이 바람직하며, 공중합체의 함량이 1중량부 미만인 경우 첨가의 효과가 미미하고, 5중량부를 초과하는 경우 기계적 특성이 저하된다. The content of the dispersant is preferably 1 to 5 parts by weight with respect to 100 parts by weight of the cement, the effect of the addition is minimal when the content of the copolymer is less than 1 part by weight, and mechanical properties are deteriorated when it exceeds 5 parts by weight.
또한 본 발명은 상기 산업자재용 조성물로부터 제조되는 콘크리트 블록에 관한 것이다. In addition, the present invention relates to a concrete block prepared from the composition for industrial materials.
상기 조성물은 벽돌, 블록, 시멘트 블록, 보도블록, 콘크리트 블록, 건축용 내외장재, 산업용 내외장재 등의 건축자재, 산업자재 등을 제조하는데 사용될 수 있다. The composition can be used to manufacture building materials, industrial materials, such as bricks, blocks, cement blocks, sidewalk blocks, concrete blocks, building interior and exterior materials, and industrial interior and exterior materials.
이하 실시예를 통해 본 발명을 상세히 설명한다. 하기 실시예는 본 발명의 실시를 위하여 예시된 것일 뿐, 본 발명의 내용이 하기 실시예에 의하여 한정되는 것은 아니다. The present invention will be described in detail through the following examples. The following examples are only exemplified for the practice of the present invention, and the contents of the present invention are not limited by the following examples.
(실시예 1) (Example 1)
평균직경이 2mm인 굴패각 입자 400중량부 및 시멘트 100중량부를 혼합하고 30초 동안 분산하여 제1혼합물을 제조하였다. The first mixture was prepared by mixing 400 parts by weight of oyster shell particles having an average diameter of 2 mm and 100 parts by weight of cement and dispersing for 30 seconds.
상기 제1혼합물에 물 90중량부 및 폴리메틸메타크릴레이트 10중량부를 첨가하고 90초 동안 분산하여 제2혼합물을 제조하였다. To the first mixture, 90 parts by weight of water and 10 parts by weight of polymethyl methacrylate were added and dispersed for 90 seconds to prepare a second mixture.
상기 제2혼합물을 블록몰드에 넣은 후 가압성형을 한 다음 60℃에서 12시간 건조하여 블록을 제조하였다. After the second mixture was placed in a block mold, press molding was performed, followed by drying at 60°C for 12 hours to prepare a block.
(실시예 2) (Example 2)
폴리메틸메타크릴레이트 10중량부 대신에 스티렌-아크릴로니트릴 고무(SAN) 10중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 10 parts by weight of styrene-acrylonitrile rubber (SAN) was used instead of 10 parts by weight of polymethyl methacrylate.
(실시예 3) (Example 3)
폴리메틸메타크릴레이트 3중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 3 parts by weight of polymethyl methacrylate was used.
(실시예 4) (Example 4)
폴리메틸메타크릴레이트 25중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 25 parts by weight of polymethyl methacrylate was used.
(실시예 5) (Example 5)
폴리메틸메타크릴레이트 10중량부 대신에 폴리메틸메타크릴레이트 7중량부 및 스티렌-아크릴로니트릴 고무(SAN) 3중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 7 parts by weight of polymethyl methacrylate and 3 parts by weight of styrene-acrylonitrile rubber (SAN) were used instead of 10 parts by weight of polymethyl methacrylate.
(실시예 6) (Example 6)
3-메타크릴록시프로필트리메톡시실란 및 아크릴산의 공중합체 5중량부를 제2혼합물에 추가한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 5 parts by weight of a copolymer of 3-methacryloxypropyl trimethoxysilane and acrylic acid was added to the second mixture.
(실시예 7) (Example 7)
글리시딜메타크릴레이트 및 아크릴산의 공중합체 3중량부를 제2혼합물에 추가한 것을 제외하고는 실시예 6과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 6, except that 3 parts by weight of the copolymer of glycidyl methacrylate and acrylic acid was added to the second mixture.
(비교예 1)(Comparative Example 1)
폴리메틸메타크릴레이트를 사용하지 않은 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that polymethyl methacrylate was not used.
(비교예 2)(Comparative Example 2)
폴리메틸메타크릴레이트 10중량부 대신에 에틸렌-비닐아세테이트 공중합체 10중량부를 사용한 것을 제외하고는 실시예 1과 동일한 방법으로 블록을 제조하였다. Blocks were prepared in the same manner as in Example 1, except that 10 parts by weight of an ethylene-vinyl acetate copolymer was used instead of 10 parts by weight of polymethyl methacrylate.
(흡수율)(Absorption rate)
실시예 및 비교예에 의하여 제조된 블록을 24시간 동안 침수시켜 흡수율을 측정하였다. Absorbance was measured by immersing the blocks prepared by Examples and Comparative Examples for 24 hours.
흡수율은 고체 내에 포함된 수분의 양을 나타내는 것으로 KS F 2199에 의거하여 측정하였다. Absorption rate indicates the amount of water contained in the solid, and was measured according to KS F 2199.
흡수율은 다음의 식에 의하여 계산된다. The absorption rate is calculated by the following equation.
흡수율(%) = (m1-m2)/m2×100Absorption rate (%) = (m1-m2)/m2×100
(m1은 시험편의 건조 전 질량, m2는 시험편의 건조 후 질량)(m1 is the mass before drying of the test piece, m2 is the mass after drying of the test piece)
(압축강도)(Compressive strength)
블록의 압축강도는 KS F 2401 에 의거하여 측정하였다. The compressive strength of the block was measured according to KS F 2401.
(%)Absorption rate
(%)
(MPa)Compressive strength
(MPa)
상기 표 1에서 볼 수 있는 바와 같이, 본 발명에 따른 실시예 1 내지 7은 블록의 흡수율 및 압축강도가 우수하며, 특히 실시예 5 내지 7은 상기 특성이 가장 우수하게 나타났다. As can be seen from Table 1, Examples 1 to 7 according to the present invention have excellent water absorption and compressive strength of blocks, and in particular, Examples 5 to 7 showed the best characteristics.
반면 비교예 1 및 2의 경우에는 흡수율 및 압축강도가 실시예에 비하여 저하되었다. On the other hand, in Comparative Examples 1 and 2, the water absorption and compressive strength were lower than those in the Examples.
Claims (5)
상기 산업자재용 조성물은 시멘트 100중량부에 대하여 굴패각 입자 300~600중량부, 경화제 5~20중량부, 물 50~150중량부 및 상기 공중합체 1~10중량부를 포함하고,
상기 경화제는 아크릴계 고분자 및 라텍스계 고분자를 동시에 사용하며,
상기 아크릴계 고분자 및 라텍스계 고분자의 중량비는 60~80:20~40 인 것을 특징으로 하는 산업자재용 조성물.
water; Oyster shell particles; cement; Curing agent; And in the composition for industrial materials comprising a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer,
The composition for industrial materials includes 300 to 600 parts by weight of oyster shell particles, 5 to 20 parts by weight of curing agent, 50 to 150 parts by weight of water, and 1 to 10 parts by weight of the copolymer, based on 100 parts by weight of cement,
The curing agent uses an acrylic polymer and a latex polymer at the same time,
The weight ratio of the acrylic polymer and the latex polymer is 60 to 80: 20 to 40 composition for industrial materials.
상기 굴패각 입자의 입경은 1~3mm 인 것을 특징으로 하는 산업자재용 조성물.
According to claim 1,
The particle size of the oyster shell particles is a composition for industrial materials, characterized in that 1 ~ 3mm.
A concrete block prepared from the composition for industrial materials of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180163430A KR102142339B1 (en) | 2018-12-17 | 2018-12-17 | An eco-friendly industrial materials using oyster shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020180163430A KR102142339B1 (en) | 2018-12-17 | 2018-12-17 | An eco-friendly industrial materials using oyster shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200074721A KR20200074721A (en) | 2020-06-25 |
| KR102142339B1 true KR102142339B1 (en) | 2020-08-07 |
Family
ID=71400468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180163430A KR102142339B1 (en) | 2018-12-17 | 2018-12-17 | An eco-friendly industrial materials using oyster shell |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR102142339B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102303613B1 (en) | 2020-12-23 | 2021-09-23 | 한국해양생태블록주식회사 | Concrete aggregate using wasted clam shell and ferronickel slag and process for producing the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102376562B1 (en) | 2021-10-13 | 2022-03-21 | 주식회사 디에스에코 | Manufacturing method of chlorine-free High Early Strength Agent using oyster shells |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100968108B1 (en) | 2009-11-30 | 2010-07-07 | 재단법인 한국계면공학연구소 | The manufacturing method and composite of coating agent using oyster shells |
| KR101721247B1 (en) | 2014-07-28 | 2017-03-30 | 한국해양과학기술원 | Method for manufacturing eco-friendly concrete block using by waste oyster shell for mounting a underwater structure and the same thereby |
| KR101815018B1 (en) * | 2017-08-25 | 2018-01-08 | 장동원 | Manufacturing method of eco-friendly Building materials using oyster shell and eco-friendly Building materials |
| KR101815017B1 (en) | 2017-08-25 | 2018-01-30 | 장동원 | Manufacturing method of eco-friendly colonnade protective plate using oyster shell and eco-friendly colonnade protective plate and staging process |
-
2018
- 2018-12-17 KR KR1020180163430A patent/KR102142339B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100968108B1 (en) | 2009-11-30 | 2010-07-07 | 재단법인 한국계면공학연구소 | The manufacturing method and composite of coating agent using oyster shells |
| KR101721247B1 (en) | 2014-07-28 | 2017-03-30 | 한국해양과학기술원 | Method for manufacturing eco-friendly concrete block using by waste oyster shell for mounting a underwater structure and the same thereby |
| KR101815018B1 (en) * | 2017-08-25 | 2018-01-08 | 장동원 | Manufacturing method of eco-friendly Building materials using oyster shell and eco-friendly Building materials |
| KR101815017B1 (en) | 2017-08-25 | 2018-01-30 | 장동원 | Manufacturing method of eco-friendly colonnade protective plate using oyster shell and eco-friendly colonnade protective plate and staging process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102303613B1 (en) | 2020-12-23 | 2021-09-23 | 한국해양생태블록주식회사 | Concrete aggregate using wasted clam shell and ferronickel slag and process for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20200074721A (en) | 2020-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102185993B1 (en) | A composition for eco-friendly industrial materials using shell | |
| KR101672714B1 (en) | A high early strength cement concrete composition having the improved self-healing, durability and strength for road pavement and a repairing method of road pavement using the same | |
| EP2473458B1 (en) | Bitumen-free construction material composition | |
| KR102142339B1 (en) | An eco-friendly industrial materials using oyster shell | |
| CN102127257B (en) | Method for preparing ultra-high molecular weight polyethylene based wood/plastic composite material | |
| CN104356505A (en) | Method for preparing light general plastic composite material by adding bulk industrial solid wastes | |
| WO2006102523A3 (en) | Lightweight concrete compositions | |
| CN111268931A (en) | Preparation method of recycled aggregate and dry-mixed mortar | |
| CN108751817A (en) | A kind of building waste base glue for tile and its application method | |
| ZA200906475B (en) | Rubber | |
| CN105694239B (en) | A kind of discarded printed circuit boards non-metal powder/ternary ethlene propyene rubbercompound material and preparation method thereof | |
| CN101182157A (en) | Interface finishing agent improving rubber-cement stone substrate in rubber concrete | |
| CN105084796A (en) | Rubber granule modification method and high-impact-resistance wear-resistant rubber concrete | |
| EP1963414B1 (en) | Use of pulverized glass in a composite material | |
| Dundar et al. | Effect of the marble powder and wood powder content on the technological properties of thermoplastic composites | |
| CN101255025A (en) | Road cement concrete rubber particle surface modifier | |
| CN112939537A (en) | Recycled concrete containing composite fibers and preparation method thereof | |
| KR101412771B1 (en) | The composition for floor finishing material of construct and the preparation method thereof | |
| CN104650606A (en) | Anaerobic outdoor landscape material and preparation method thereof | |
| CN1939971A (en) | PC/ABS disposable recovering composition and its use | |
| CN113845336B (en) | Ecological ceramic permeable plate and preparation process thereof | |
| KR101743794B1 (en) | Metal pipe coating composition and method for preparing extruded products using them | |
| KR102514394B1 (en) | Hydrophilic Construction Aggregate Comprising Acrylic-Based Coating and Preparation Method thereof | |
| CN106832714A (en) | PMMA that a kind of activeness and quietness is reclaimed and preparation method thereof | |
| KR102033412B1 (en) | Rice husk - based insulation material and manufacturing method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant |