KR100242713B1 - Method for manufacturing recycling cast - Google Patents
Method for manufacturing recycling cast Download PDFInfo
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- KR100242713B1 KR100242713B1 KR1019970048592A KR19970048592A KR100242713B1 KR 100242713 B1 KR100242713 B1 KR 100242713B1 KR 1019970048592 A KR1019970048592 A KR 1019970048592A KR 19970048592 A KR19970048592 A KR 19970048592A KR 100242713 B1 KR100242713 B1 KR 100242713B1
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- concrete wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
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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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
본 발명은 재활용 거푸집의 제조방법에 관한 것으로서, 폴리프로필렌을 주성분으로 하는 자동차 범퍼커버와 범퍼보강재의 폐자재를 10~200MM 크기로 파쇄한 후, 180~250℃로 용융한 다음, 이 용융물을 금형에 주입하여 압축하는 공정으로 이루어지는 것을 특징으로 하며, 이와 같이 자동차 범퍼커버와 범퍼보강재의 폐자재를 이용하여 거푸집을 제조하므로, 환경을 보호하고 자원을 효과적으로 이용할 수 있으며 콘크리트벽의 양생완료시에 거푸집의 박리(떨어짐)성이 양호하고 깨끗한 콘크리트벽면을 얻을 수 있다.The present invention relates to a method for manufacturing recycled formwork, and after crushing the waste material of the car bumper cover and the bumper reinforcement containing polypropylene to a size of 10 ~ 200MM, melted at 180 ~ 250 ℃, and then melted the melt It is characterized in that it is made of a process of injecting and compressing, and thus form the formwork using the waste material of the car bumper cover and the bumper reinforcement, thereby protecting the environment and effectively using the resources, and when the curing of the concrete wall The peeling property is good and a clean concrete wall surface can be obtained.
Description
본 발명은 재활용 거푸집의 제조방법에 관한 것이다.The present invention relates to a method for producing recycled formwork.
일반적으로 토목공사 또는 건축공사시 콘크리트벽을 시공할 시에는 일정한 간격을 두고 거푸집을 세운 뒤, 모래, 자갈 및 시멘트를 섞은 혼합체에 물을 가하여 만든 유동체를 상기 거푸집사이의 공간에 충전하여 일정시간 동안 방치하여 콘크리트를 양생한다. 콘크리트의 양생이 충분히 이루어지면, 상기 거품집을 콘크리트면으로부터 이탈시킨다.In general, when constructing concrete walls in civil engineering or building construction, form the formwork at regular intervals, and then fill the space between the formwork with a fluid made by adding water to the mixture of sand, gravel and cement for a certain time. Leave to cure concrete. When curing of the concrete is sufficient, the bubble house is separated from the concrete surface.
종래, 거푸집(10)은 제1도에 도시한 바와 같이, 대체로 긴 I형 단면의 철재로 된 프레임(11)의 일측공간에 나무재질로 된 판(13)이 끼워져 고정된 구조로 되어 있다.Conventionally, as shown in Fig. 1, the
이와같은 구조로 된 종래 거푸집으로 콘크리트벽을 시공할 시에는, 다수개의 거푸집(10)을 결합하여, 일정한 간격(콘크리트벽면 두께에 해당)을 두고 2열로 배열하여 콘크리트벽을 시공하게 된다. 이때, 상기 판(13)의 일면(13a)은 콘크리트벽(C)에 밀착한다.When constructing a concrete wall with a conventional formwork having such a structure, by combining a plurality of
또한, 종래 나무재질로만 이루어 진 거푸집도 사용되고 있다.In addition, formwork made of conventional wood materials are also used.
그런데, 종래 철재로 된 프레임(11)과 나무재질로 된 판(13)이 결합된 거푸집(10)이나, 나무재질로만 된 거푸집에 의하면, 콘크리트벽의 양생완료시에 거푸집의 박리(떨어짐)성이 나쁘고 깨끗한 콘크리트벽면을 얻을 수 없으며, 나무재질은 습기를 잘 흡수하므로 거푸집의 수명이 작고, 한정된 천연자원을 이용하므로 경제적이지 못하다는 문제점이 있었다.However, according to the
이러한 문제점을 해결하기 위해 플라스틱재로 된 거푸집이 개발되어 있으나, 썩지 않는 플라스틱제품이 범람하여 환경에 악영향을 미치는 현재에, 새로운 프라스틱재의 거푸집을 계속적으로 생산하는 것은 큰 문제점으로 대두되고 있다.Plastic formwork has been developed to solve this problem, but in the present time that the incorruptible plastic products flood and adversely affect the environment, it is a big problem to continue to produce new plastic formwork.
따라서, 본 발명은 상기 문제점을 해결하기 위해 이루어진 것으로서, 본 발명의 목적은 폭발적으로 증가하고 있는 자동차의 생산과 그 폐기처분으로 생기는 프라스틱재의 폐자재를 이용하여 거푸집을 제조함으로써 환경을 보호하고 자원을 효율적으로 이용할 수 있는 재활용 거푸집의 제조방법을 제공하는 데 있다.Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to protect the environment and to save resources by manufacturing the formwork using plastic materials generated by the production and disposal of automobiles exploding. It is to provide a method for producing recycled formwork that can be efficiently used.
제1도는 종래 거푸집과 콘크리트벽의 결합상태를 나타내는 단면도.1 is a cross-sectional view showing a coupling state of a conventional formwork and concrete wall.
제2도는 본 발명에 사용되는 폐자재인 범퍼 커버를 구비한 자동차를 나타내는 사시도이다.2 is a perspective view showing an automobile provided with a bumper cover which is a waste material used in the present invention.
본 발명에 의한 재활용 거푸집의 제조방법은 폴리프로필렌을 주성분으로 하는 자동차 범퍼커버와 범퍼보강재의 폐자재를 10~200㎜ 크기로 파쇄한 후, 180~250℃로 용융한 다음, 이 용융물을 금형에 주입하여 압축하는 공정으로 이루어지는 것을 특징으로 한다.According to the present invention, a method for producing recycled formwork is made by crushing waste materials of a vehicle bumper cover and a bumper reinforcement material having a polypropylene into a size of 10 to 200 mm, melting them at 180 to 250 ° C., and then melting the melt into a mold. It is characterized by consisting of a process of injection and compression.
상기 제조공정중 원료의 물성저하를 방지하기 위해 원료전체에 대해 1~3중량%의 열안정제를 첨가하는 것이 바람직하다.It is preferable to add 1 to 3% by weight of a thermal stabilizer based on the entire raw material in order to prevent the physical properties of the raw material during the manufacturing process.
또한, 원료들간의 상용성(친화성)을 증진시키기 위해 원료전체에 대해 1~5중량%의 상용화제를 첨가하는 것이 바람직하다.In addition, it is preferable to add 1 to 5% by weight of a compatibilizer with respect to the whole raw material in order to enhance the compatibility (affinity) between the raw materials.
또한, 충격강도를 높임과 동시에 굴곡탄성을 조정하도록 원료 100중량부에 대해 1~40중량부의 충격보강제를 첨가하는 것이 바람직하다.In addition, it is preferable to add 1 to 40 parts by weight of the impact modifier with respect to 100 parts by weight of the raw material so as to increase the impact strength and to adjust the flexural elasticity.
이때, 충격강도를 높임과 동시에 굴곡탄성을 조정하도록 10~30㎜ 크기의 유리섬유(glass fiber)를 원료 100중량부에 대해 1~40중량부로 첨가할 수도 있다.At this time, to increase the impact strength at the same time to adjust the flexural modulus of 10 to 30 mm glass fiber (glass fiber) may be added to 1 to 40 parts by weight based on 100 parts by weight of the raw material.
그리고, 전체원료에서 범퍼보강제는 20~95중량%로 첨가하는 것이 바람직하며, 40~60중량%로 첨가하는 것이 특히 바람직하다.In addition, the bumper reinforcing agent is preferably added in an amount of 20 to 95% by weight, and particularly preferably added in an amount of 40 to 60% by weight.
상기 열안정제는 이염기성 아린산염(Dibasic lead phosphite), 칼슘스테레이트(Calcium stearate), 디베이직 리드 스테레이트(Dibasic lead stearate), 카드늄-바륨 오가닉 복합체(Cd- Ba organic complex)(상표명 SMS-ZPSX), 킬레이트 인산염(phosphite)(상표명 CWM-32)등을 사용한다.The thermal stabilizer is dibasic lead phosphite, calcium stearate, dibasic lead stearate, cadmium-barium organic complex (trade name SMS-ZPSX). ), Chelate phosphite (trade name CWM-32), and the like.
상기 상용화제는 무수 말레인산(Maleic Anhydride) 그라프트(graft)된 폴리프로필렌, 에틸렌 프로필렌 고무(Ethylene Propylene Rubber)등을 사용한다.The compatibilizer is used maleic anhydride (grafted) grafted polypropylene, ethylene propylene rubber (Ethylene Propylene Rubber) and the like.
상기 충격보강제는 아크릴수지(Acrylic Resin)로서, 메틸 메타아크레이트( methyl meta acrylate), KM-334(상표명)등을 사용한다.The impact modifier is an acrylic resin, methyl meta acrylate (methyl meta acrylate), KM-334 (trade name) and the like.
이하, 본 발명의 바람직한 실시예에 대해 설명한다.Hereinafter, preferred embodiments of the present invention will be described.
먼저, 제2도에 도시한 바와 같이, 버려지는 폐자동차(20)의 앞측에 설치된 범퍼커버(21) 및 도시하지 않은 범퍼보강재를 수거하여, 파쇄기에 넣어 50㎜의 크기로 파쇄한다. 그리고, 파쇄된 원료에는 열안정제 2 중량%, 상용화제 2중량%, 원료 100중량부에 대해 20중량부의 충격보강제를 첨가한다. 이때, 전체원료에서 범퍼보강제는 50중량%로 첨가한다.First, as shown in FIG. 2, the
다음에, 혼합된 원료를 200℃로 용융한 다음, 이 용융물을 거푸집 금형에 주입하여 프레스로 압축하면, 거푸집이 간단히 완성된다. 이때, 압출기, 일반사출기 등을 사용한다.Next, the mixed raw materials are melted at 200 ° C., and then the melt is injected into a die and compressed into a press, whereby the die is simply completed. At this time, an extruder, a general injection machine, or the like is used.
상기 범퍼커버는 폴리프로필렌을 기제로 하고 러버(rubber)를 첨가하여 충격특성을 향상시킨 열가소성수지이고, 범퍼보강재는 폴리프로필렌을 기제로 하고 유리섬유로 보강한 열가소성수지로서, 이 두가지 원료는 모두 폴리프로필렌을 기제로 하고 있으므로 상용성(친화성)이 우수하다.The bumper cover is a thermoplastic resin based on polypropylene and rubber is added to improve impact properties. The bumper reinforcement is a thermoplastic resin based on polypropylene and reinforced with glass fibers. Since propylene is based, compatibility (affinity) is excellent.
본 발명에 의한 재활용 거푸집의 제조방법에 의하면, 자동차 범퍼커버와 범보강재의 폐자재를 이용하여 거푸집을 제조하므로, 환경을 보호하고 자원을 효과적으로 이용할 수 있다.According to the manufacturing method of the recycling formwork according to the present invention, since the formwork is manufactured by using the waste materials of the vehicle bumper cover and the reinforcement material, it is possible to protect the environment and effectively use the resources.
또한, 본 제조방법으로 제조된 재활용 거푸집을 사용하면, 콘크리트벽의 양생완료시에 거푸집의 박리(떨어짐)성이 양호하고 깨끗한 콘크리트벽을 얻을 수 있다. 즉, 폴리프로필렌을 주성분으로 하는 거푸집을 콘크리트 양생면에서 용이하게 분리된다.In addition, by using the recycled formwork produced by the present production method, it is possible to obtain a clean concrete wall with good peeling (falling) property of the formwork upon completion of curing of the concrete wall. That is, the formwork mainly containing polypropylene is easily separated from the concrete curing surface.
그리고, 제조된 재활용 거푸집이 파손되었을 경우에는, 다시 녹여 거푸집으로 성형하여 사용할 수 있다.And when the recycled formwork manufactured is broken, it can be melted again and molded into a formwork.
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KR1019970048592A KR100242713B1 (en) | 1997-09-24 | 1997-09-24 | Method for manufacturing recycling cast |
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KR1019970048592A KR100242713B1 (en) | 1997-09-24 | 1997-09-24 | Method for manufacturing recycling cast |
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KR100477068B1 (en) * | 2002-02-19 | 2005-03-17 | 주식회사 하림 | Manufacturing method of pannel for mold |
KR100716027B1 (en) | 2005-11-16 | 2007-05-11 | 삼성토탈 주식회사 | Polypropylene compounds for concrete mold form panel |
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KR900017771A (en) * | 1989-05-11 | 1990-12-19 | 황규완 | Industrial sheet material based on waste engineering plastics |
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KR900017771A (en) * | 1989-05-11 | 1990-12-19 | 황규완 | Industrial sheet material based on waste engineering plastics |
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