KR100718949B1 - Method for Preparing lightweight panel of Waste Fiber Reinforced Plastics and lightweight panel manufactured thereof - Google Patents

Method for Preparing lightweight panel of Waste Fiber Reinforced Plastics and lightweight panel manufactured thereof Download PDF

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KR100718949B1
KR100718949B1 KR1020050047583A KR20050047583A KR100718949B1 KR 100718949 B1 KR100718949 B1 KR 100718949B1 KR 1020050047583 A KR1020050047583 A KR 1020050047583A KR 20050047583 A KR20050047583 A KR 20050047583A KR 100718949 B1 KR100718949 B1 KR 100718949B1
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waste
mixing
weight
fiber reinforced
binder
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KR20060126016A (en
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이동익
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic

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  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

본 발명은 폐 FRP를 이용한 경량보드의 제조방법에 관한 것으로, 더욱 상세하게는 폐플라스틱을 반응성 용제인 모노머에 용해시킨 고분자용액에 가교제를 첨가 혼합하여, 액상수지로서 가교제 첨가 플라스틱 용액을 제조한 후, 그 액상수지에 개시제 및 촉진제를 첨가해 잘 교반한 것을 결합재로 하였으며, 여기에 충전재를 첨가하여 혼합하고 분쇄입경 5mm이하의 폐 FRP칩을 혼합, 비빔 작업 하여 성형하는 것을 특징으로 하는 경량보드 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a lightweight board using waste FRP. More specifically, a crosslinking agent is added to and mixed with a polymer solution in which waste plastic is dissolved in a monomer that is a reactive solvent to prepare a crosslinking agent-added plastic solution as a liquid resin. , The initiator was added to the liquid resin and agitator was used as a binder, and the filler was added and mixed, and the light board was manufactured by mixing and mixing the waste FRP chips having a crushing particle diameter of 5 mm or less and forming them by beaming. It is about a method.

본 발명의 결합재 조성물 폴리머 복합재료는 폐기물로 많이 발생되는 폐플라스틱을 이용하기 때문에 제조 원가가 저렴하고 여기에 충전재로서 폐 FRP칩을 사용하기 때문에 폐기물을 재활용하는 장점이 있으며 이를 사용하여 제조한 경량보드는 기존의 목재를 이용한 경량보드 보다 제조원가가 저렴하고 물리적 성능에서도 전혀 뒤지지 않는 제품이라 할 수 있다. Since the binder composition polymer composite material of the present invention uses waste plastics generated as wastes, the manufacturing cost is low, and waste FRP chips are used as fillers. It is a product that is cheaper to manufacture than conventional lightweight boards made of wood and is second to none in physical performance.

폐 유리섬유 강화 플라스틱, 폐플라스틱, 결합재, 충전재, 경량보드 Waste glass fiber reinforced plastic, waste plastic, binder, filler, lightweight board

Description

폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조방법 및 이를 이용하여 제조된 경량보드{Method for Preparing lightweight panel of Waste Fiber Reinforced Plastics and lightweight panel manufactured thereof}Method for preparing light weight board using waste glass fiber reinforced plastic and light weight board manufactured by using same method {Method for Preparing lightweight panel of Waste Fiber Reinforced Plastics and lightweight panel manufactured}

도 1은 본 발명에 따른 폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조공정 개략도.1 is a schematic view of a manufacturing process of a lightweight board using waste glass fiber reinforced plastic according to the present invention.

본 발명은 폐 유리섬유 강화 플라스틱을 이용한 경량보드에 관한 것으로, 더욱 상세하게는 현재 다량 발생하는 폐플라스틱을 용해한 결합재와 환경 오염물질인 폐 유리섬유 강화 플라스틱(Waste Fiber Reinforced Plastics, 이하, ‘폐 FRP’라 한다)을 이용한 경량보드를 제조하는 방법 및 이를 이용하여 제조된 경량보드에 관한 것이다.The present invention relates to a light weight board using waste glass fiber reinforced plastics, and more particularly, waste fiber fiber reinforced plastics (Waste Fiber Reinforced Plastics), which is a binder and an environmental pollutant in which a large amount of waste plastics are currently produced. It relates to a method for manufacturing a light weight board using the " and a light weight board manufactured using the same.

최근 산업의 발달로 인하여 각종 폐기물의 발생량이 급증하고 있으나 대부분의 폐기물들은 매립과 소각 등의 방법으로 단순 처리되고 있는 실정이어서 이로 인 한 자원의 낭비 외에도 환경오염을 유발시킬 수 있는 많은 문제점들이 대두되고 있다.Recently, the generation of various wastes is increasing rapidly due to the development of the industry, but most of the wastes are simply processed by landfilling and incineration, so there are many problems that can cause environmental pollution in addition to waste of resources. have.

폐 플라스틱에 관한 가장 최근의 자료(2003년, 환경부-전국폐기물발생 및 처리현황)를 보면 연간 350만여톤 정도가 발생하고 있으며 날로 중가 추세 있으나 그 재활용률은 73만여톤으로 20% 정도이다. The most recent data on waste plastics (2003, Ministry of Environment-National Waste Generation and Disposal) show that about 3.5 million tons are generated annually, and the recycling rate is about 73% to 20%.

FRP는 보강재인 섬유와 결합재인 수지로 이루어진 복합재료로서 현재 사용되고 있는 제품은 주로 저수용 탱크, 자동차 부품, 건축자재, 상하도관 등 주택용 기자재에서 건설-산업에 이르기까지 다양한 분야에서 많이 사용되고 있으며, 현재 국내에서는 연간 약 3만7천여톤 정도가 생산되고 그 생산량이 매년 급격히 증가하는 추세다. 반면 폐기되는 FRP의 양도 증가하여 연간 1만톤 이상이 배출되고 있으며 이에 대한 처리문제가 심각한 실정이다. FRP is a composite material composed of fiber as a reinforcing material and resin as a binder. Currently, the products are mainly used in various fields ranging from housing equipment such as water storage tanks, automobile parts, construction materials, top and bottom conduits to construction and industry. In Korea, about 37,000 tons are produced annually, and their production is increasing rapidly every year. On the other hand, the amount of discarded FRP has also increased, resulting in more than 10,000 tons of emissions per year, which is a serious problem.

그러나 이러한 폐 FRP의 대부분은 열경화성수지와 불연성의 유리섬유를 보강재로 한 열경화성수지 복합재로 경화반응에 의한 가교가 이루어져서 불용불융의 삼차원 구조를 지니고 있으며 극히 일부를 제외하고는 매립할 경우 분해 되지 않는 특성을 지니고 있으므로 폐 FRP에 의한 환경오염의 방지를 위해서는 이들의 효과적인 처리가 필연적인데, 지금까지 알려진 처리방법과 문제점은 다음과 같다.However, most of these waste FRPs are thermosetting resin composites made of thermosetting resin and non-combustible glass fiber as reinforcements, and crosslinked by curing reaction. In order to prevent environmental pollution due to waste FRP, their effective treatment is inevitable. The treatment methods and problems known to date are as follows.

(1) 단순매립방식은 플라스틱의 미분해 특성으로 인해 제 2, 3의 환경오염을 유발하고 국내의 경우 매립지의 확보가 어렵고 매립비용도 매우 고가이다.(1) The simple landfill method causes the second and third environmental pollution due to the undecomposed nature of plastics.

(2) 열소각방식은 열가소성 수지와는 달리 소각에 의한 처리가 아주 어려우며 비록 소각처리 한다고 할지라도 다이옥신 발생 등의 환경오염을 일으킬 수 있다.(2) Unlike in thermoplastics, thermal incineration is very difficult to process by incineration, and even incineration can cause environmental pollution such as dioxin generation.

(3) 생물학적 처리방법은 플라스틱을 분해 시키는 방법에서 바람직하나 그 적용범위가 극히 한정된 단점이 있다.(3) The biological treatment method is preferable in the method of decomposing plastics, but its application scope is extremely limited.

(4) 화학적 처리방법은 폐플라스틱을 분해하여 화학원료로 회수하는 방법으로 원료의 회수측면에서 매우 유용하고 바람직하나, 아직 연구단계로 실용화되기까지는 많은 연구와 투자가 필요한 실정이다.(4) The chemical treatment method is a method of decomposing waste plastics and recovering them as chemical raw materials, which is very useful and desirable in terms of recovery of raw materials, but much research and investment is still required before they can be put into practical use as a research stage.

또한 FRP는 열가소성 수지와는 달리 소각에 의한 처리가 아주 어려우며 비록 소각처리 한다고 할지라도 다이옥신 발생 등의 환경오염을 일으킬 수 있으며, 완전 소각을 위한 설비는 매우 고가라는 문제점이 있다. 이에 대부분의 경우 주로 절단 또는 분쇄하여 매립하고 있으나 이 또한 현재 폐 FRP가 산업폐기물로 지정되어 있어 지정 매립장소에 매립하여야 하기 때문에 매립장소의 확보가 어렵고, 처리비용 또한 많이 소요된다. In addition, unlike thermoplastics, FRP is very difficult to treat by incineration, and even if incinerated, it may cause environmental pollution such as dioxin generation, and the facility for complete incineration is very expensive. In most cases, the landfill is mainly cut or crushed, but this waste FRP is also designated as industrial waste, so it is difficult to secure a landfill site because it is required to land at a designated landfill site.

따라서 FRP 폐기물을 분쇄하여 재료로 재활용하는 방법이 가장 현실적이며 효율적인 기술로 접근되고 있다.Therefore, the method of crushing and recycling FRP waste into materials is approaching with the most realistic and efficient technology.

이와 관련하여 대한민국특허 제0225129호에서는 폐 FRP를 건설재료에 이용하는 기술이 제시되었다. 즉, 폐 FRP 분말과 메트릭스 수지간에 화학적 결합이 가능한 실란계 커플링제를 사용하여 이들의 양을 변화시키면서 수지와 혼합시켜 건자재를 성형하는 방법이 제시되었다. 상기 종래 기술은 폐 FRP를 입자크기가 2㎛~50mm인 분말형태로 이용하며, 구체적으로 폐 FRP를 볼밀, 햄머밀 및 냉동파쇄법으로 분쇄하는 방법이 기재되어 있으나, 현실적으로 자체 강도가 큰 폐 FRP를 2㎛의 크기로 분쇄하기 위하여 많은 설비와 비용 및 시간을 필요로 한다는 문제점이 있었다. 또한 계면결합력 증가를 위해 실란계 커플링제 등을 첨가해야 하므로 제조 비용이 비싸다는 문제점이 있다.In this regard, Korean Patent No. 0225129 proposed a technique for using waste FRP in construction materials. That is, a method of forming a dry material by mixing the resin with a silane coupling agent capable of chemical bonding between the waste FRP powder and the matrix resin while changing the amount thereof is proposed. The prior art uses the waste FRP in the form of a powder having a particle size of 2㎛ ~ 50mm, and specifically describes a method for grinding the waste FRP by ball mill, hammer mill and freeze crushing method, but in reality, the waste FRP has a high strength itself. There is a problem that requires a lot of equipment, cost and time to grind to a size of 2㎛. In addition, since the silane coupling agent or the like must be added to increase the interfacial bonding force, there is a problem in that the manufacturing cost is high.

본 발명은 상기한 종래의 문제점을 해결하기 위한 것으로, 현재 환경 폐기물로 많이 발생되고 있는 폐플라스틱과 폐 FRP를 이용한 새로운 재활용 방안을 제시함과 동시에 기존의 폴리머 복합재료에 비해 제조원가가 저렴하면서도 얻어진 제품의 물성이 우수하며, 특히 외관이 양호한 경량보드를 제공하는 것을 목적으로 한다.The present invention is to solve the above-mentioned problems, and proposes a new recycling method using waste plastic and waste FRP, which are currently generated a lot of environmental waste, while at the same time the production cost is obtained compared to the existing polymer composite material It is an object of the present invention to provide a lightweight board having excellent physical properties and particularly good appearance.

본 발명의 또 다른 목적은 혼입되는 폐 FRP를 별도의 설비로 미분쇄할 필요가 없이 폐 FRP 분쇄시 나오는 미분말을 사용하므로서 폐 FRP의 재활용률을 최대한 높일 수 있다는 점이며, 폐플라스틱을 용해한 용액을 사용하므로서 폐플라스틱의 최대이용을 통한 자원재활용의 극대화를 꾀할 수 있으며, 이를 통한 골재혼합비 및 충전재와 결합재비를 조절하여 경량보드를 제조하는 방법을 제공함에 있다. Still another object of the present invention is to increase the recycling rate of waste FRP as much as possible by using fine powders produced during waste FRP pulverization without pulverizing the mixed waste FRP into a separate facility, and using a solution in which waste plastic is dissolved. By doing so, it is possible to maximize the recycling of resources through the maximum use of waste plastic, and to provide a method of manufacturing a lightweight board by controlling the aggregate mixing ratio and filler and binder ratio through this.

상기한 목적을 달성하기 위한 본 발명의 폴리머 복합재료용 결합재 조성물로서 폐플라스틱을 스티렌모노머(SM)에 용해시킨 용액에 가교제로서 삼관능성모노머 인 트리메틸로프로판 트리메타크릴레이트(TMPTMA)와 개시제로서 과산화벤조일을 50% 포함한 프탈산 디시클로헥실(BPO)과 촉진제로서 N,N-디메틸파라톨루이딘(DMA)을 포함하는 것을 특징으로 한다.As a binder composition for polymer composites of the present invention for achieving the above object, trifunctional methyl methacrylate (TMPTMA) as a crosslinking agent in a solution in which waste plastics are dissolved in styrene monomer (SM) and peroxide as an initiator. Phthalic acid dicyclohexyl (BPO) containing 50% benzoyl and N, N-dimethyl paratoluidine (DMA) as an accelerator.

더욱 상세하게 각 단계를 살펴보기로 한다. Let's look at each step in more detail.

(1) 결합재 제조공정(1) Binder manufacturing process

결합재 조성물은 전체 조성물에 대하여 3~25%중량의 폐플라스틱을 반응성 용제로서 55~ 92%중량의 스티렌모노머(SM)에 용해 시켜 고분자용액을 제조하고 여기에 가교제로서 5~20%중량의 트리메틸로프로판 트리메타크릴레이트(TMPTMA)를 첨가하여 액상수지를 만든다. 이 액상수지 결합제가 경화시 각종 고분지 중합 반응의 유도에 필요한 라디칼을 생성하기 위하여 제조한 액상수지의 3%중량에 해당하는 개시제와 촉진제를 1:1 내지 1:0.25의 비율로 첨가하며, 개시제로서 과산화벤조일을 50% 포함한 프탈산 디시클로헥실(BPO)을 그리고 촉진제로서 N,N-디메틸파라톨루이딘(DMA)을 첨가하여 결합재를 제조한다.The binder composition was prepared by dissolving 3 to 25% by weight of waste plastic in 55 to 92% by weight of styrene monomer (SM) as a reactive solvent to prepare a polymer solution. Propane trimethacrylate (TMPTMA) is added to form a liquid resin. When the liquid resin binder is cured, an initiator and an accelerator corresponding to 3% by weight of the liquid resin prepared to generate radicals necessary for inducing various high-branched polymerization reactions are added in a ratio of 1: 1 to 1: 0.25. A binder is prepared by adding phthalic acid dicyclohexyl (BPO) containing 50% benzoyl peroxide as an N and N, N-dimethylparatoluidine (DMA) as an accelerator.

(2) 충전재 혼합공정(2) Filler Mixing Process

(1)과 같이 결합재 주성분과 보조성분들을 첨가, 혼합하여 결합재 제조공정을 거친 후 여기서 얻어진 결합재에 중질탄산칼슘과 폐 FRP를 분쇄시 발생한 폐 FRP분말을 1:1 내지 1:3%중량 비율로 혼입하여 페이스트를 혼합하며, 여기에 골재로서 5mm 이하의 폐 FRP칩을 혼입하여 혼합한다. 이때 결합재는 10~30%중량, 골재는 40~ 80%중량, 충전재는 10~30%중량의 비율 범위가 바람직하며 이 범위내에서 적절히 사용한다.After adding and mixing the binder main and auxiliary components as in (1), the binder FRP powder generated when pulverizing heavy calcium carbonate and waste FRP in the binder obtained is 1: 1 to 1: 3% by weight. The paste is mixed by mixing, and mixed with the waste FRP chip of 5 mm or less as aggregate therein. At this time, the binder is 10 to 30% by weight, aggregate is 40 to 80% by weight, the filler is preferably in the ratio range of 10 to 30% by weight and used properly within this range.

(3) 성형공정(3) forming process

(1)과 (2)의 공정을 거친 후 결합재와 충전재를 혼합하여 폐 FRP칩과 폐플라스틱 용액을 혼합한 후 일정 형태의 복합재인 경량보드를 얻어내기 위해 금형을 제작하여 여기에 배합된 조성물을 혼입하고 성형한 후 탈형 하여 상온양생 및 상온양생 + 가열양생의 공정을 거쳐 경량보드를 제조한다.After the process of (1) and (2), the binder and filler are mixed, the waste FRP chip and the waste plastic solution are mixed, and then a mold is manufactured to obtain a lightweight board which is a certain type of composite. After mixing, molding and demolding, a lightweight board is manufactured through a process of room temperature curing and room temperature curing + heating curing.

가압성형은 온도 100~180℃에서 압력 5~25MPa로 3~20분 동안 수행되는 것이 바람직하며, 성형 후 24hr이상 양생한다. Pressure molding is preferably performed for 3 to 20 minutes at a temperature of 5 ~ 25MPa at a temperature of 100 ~ 180 ℃, curing over 24hr after molding.

본 발명의 결합재 조성물과 골재 및 충전재로 사용된 폴리머 복합재료는 생활, 산업 및 건설폐기물로 다량 발생하고 있는 폐플라스틱과 폐 FRP를 이용하기 때문에 각종수지 등을 결합재 성분으로 이용하는 종래의 폴리머 복합재료에 비해 제조원가가 저렴하며, 폐 FRP를 사용하여 제조한 경량보드는 기존의 목재를 이용한 경량보드 보다 제조원가가 저렴하고 물리적 성능에서도 전혀 뒤지지 않는 제품이라 할 수 있다.The polymer composite material used as the binder composition and aggregate and filler of the present invention uses waste plastic and waste FRP, which are generated in large quantities as household, industrial, and construction wastes, and thus, the conventional polymer composite material using various resins as a binder component. Compared with the light weight board using waste FRP, the manufacturing cost is cheaper than the existing light weight board using the wood, and it can be said that the product is inferior in physical performance.

또한 본 발명은 폐플라스틱을 반응성 용제인 스티렌모노머(SM)에 용해시킨 용액을 직접 폴리머 복합재료용 결합재로 사용하기 때문에 용제의 분리과정을 거치지 않는 관계로 제조 공정이 간단하여 용해기와 혼합을 위한 교반설비만으로도 쉽게 제조가 가능하기 때문에 재활용 측면에서 보면 경제적이며 효율적이다.In addition, since the present invention uses a solution in which waste plastic is dissolved in styrene monomer (SM), which is a reactive solvent, as a binder for polymer composites, the manufacturing process is simple because the solvent is not separated. It is economical and efficient in terms of recycling because it can be easily manufactured by equipment alone.

따라서 본 발명은 폐 FRP와 폐플라스틱을 재활용하는 현실적이며 효율적인 방안이라 할 수 있으며, 동시에 건설자재인 경량보드로 재활용 할 수 있으므로 현재 수입 목재를 통해 제조하고 있는 경량보드의 대체품으로는 아주 경제적이며 수입 대체 면에서 볼 때 매우 좋은 효과를 제공한다. Therefore, the present invention can be said to be a realistic and efficient way to recycle waste FRP and waste plastics, and at the same time can be recycled into lightweight boards, which are construction materials. On the contrary, it offers a very good effect.

Claims (5)

폐 유리섬유 강화 플라스틱(FRP)을 골재로 이용하여 경량보드를 제조하는 방법으로서, As a method of manufacturing a lightweight board using waste glass fiber reinforced plastic (FRP) as an aggregate, 반응성 용제인 스티렌모노머(SM)에 폐플라스틱을 용해시킨 고분자용액에 가교제를 첨가하고 혼합하여 액상수지를 만든 후, 이 액상수지에 개시제 및 촉진제를 첨가하여 교반하는 결합재 제조과정과; Preparing a binder by adding a crosslinking agent to a polymer solution in which waste plastic is dissolved in a styrene monomer (SM), which is a reactive solvent, mixing the mixture, and then adding an initiator and an accelerator to the liquid resin to stir; 상기 제조과정을 거쳐 얻어진 결합재에 중질탄산칼슘과 폐 FRP분말을 혼입하여 페이스트를 만든 후, 이 페이스트에 폐 FRP칩을 혼입하고 혼합하는 충전재 혼합과정과; A filler mixing step of mixing heavy calcium carbonate and waste FRP powder in a binder obtained through the manufacturing process to make a paste, and then mixing and mixing waste FRP chips in the paste; 금형에 상기 혼합과정을 거쳐 얻어진 조성물을 혼입하고 성형하는 성형과정을 포함하여 이루어진 것을 특징으로 하는 폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조방법. Method for producing a lightweight board using the waste glass fiber reinforced plastic, characterized in that it comprises a molding process of mixing and molding the composition obtained through the mixing process in the mold. 제 1항에 있어서 상기 결합재 제조과정은, According to claim 1, wherein the binder manufacturing process, 3~25%중량의 폐플라스틱을 55~92%중량의 스티렌모노머(SM)에 용해시켜 고분자용액을 제조하고 여기에 가교제로서 5~20%중량의 트리메틸로프로판 트리메타크릴레이트(TMPTMA)를 첨가하여 액상수지를 만들고, 액상수지 경화시 액상수지의 3%중량에 해당하되 1:1 내지 1:0.25의 비율로 프탈산 디시클로헥실(BPO)의 개시제와 N,N-디메틸파라톨루이딘(DMA)의 촉진제를 첨가하여 교반하는 것을 특징으로 하는 폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조방법. A polymer solution is prepared by dissolving 3 to 25% by weight of waste plastic in 55 to 92% by weight of styrene monomer (SM) and adding 5 to 20% by weight of trimethylpropane trimethacrylate (TMPTMA) as a crosslinking agent. When the liquid resin is cured, it corresponds to 3% by weight of the liquid resin, but the ratio of the initiator of phthalic acid dicyclohexyl (BPO) and N, N-dimethylparatoluidine (DMA) in a ratio of 1: 1 to 1: 0.25. Method for producing a lightweight board using the waste glass fiber reinforced plastic, characterized in that by adding the accelerator and stirring. 제 1항에 있어서 상기 충전재 혼합과정은, The method of claim 1, wherein the filler mixing process, 상기 제조과정을 거쳐 얻어진 결합재에 중질탄산칼슘과 폐 FRP분말을 1:1 내지 1:3%중량 비율로 혼입하여 페이스트를 혼합하고, 여기에 골재로서 분쇄입경 5mm이하의 폐 FRP칩을 혼입하여 혼합하되 결합재는 10~30%중량, 골재는 40~80%중량, 중질탄산칼슘 및 폐 FRP분말은 10~30%중량의 비율로 혼합하는 것을 특징으로 하는 폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조방법. Heavy calcium carbonate and waste FRP powder are mixed in a ratio of 1: 1 to 1: 3% by weight to the binder obtained through the manufacturing process, and the paste is mixed, and mixed with waste FRP chips having a particle size of 5 mm or less as aggregate. However, the binder is 10 to 30% by weight, aggregate is 40 to 80% by weight, heavy calcium carbonate and waste FRP powder is characterized in that the mixture of 10 to 30% by weight of the manufacture of lightweight boards using waste glass fiber reinforced plastic Way. 제 1항에 있어서 상기 성형과정은, According to claim 1, wherein the molding process, 금형에 상기 혼합과정을 거쳐 얻어진 조성물을 혼입하고 성형한 후 탈형하여 양생을 거치되, 상기 성형 조건은 온도 100~180℃에서 압력 5~25MPa로 3~20분 동안 수행하고, 24시간 이상 양생하는 것을 특징으로 하는 폐 유리섬유 강화 플라스틱을 이용한 경량보드의 제조방법. After mixing and molding the composition obtained through the mixing process in a mold and demolding, the curing is carried out, the molding conditions are carried out for 3 to 20 minutes at a temperature of 5 ~ 25MPa at a temperature of 100 ~ 180 ℃, curing for more than 24 hours Method for producing a lightweight board using the waste glass fiber reinforced plastic, characterized in that. 제 1항 내지 제4항 중 어느 하나의 제조방법으로 제조된 폐 유리섬유 강화 플라스틱을 이용한 경량보드. A light weight board using waste glass fiber reinforced plastic manufactured by any one of claims 1 to 4.
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