KR101538492B1 - Using plastic waste timber construction and a method of manufacturing the composition - Google Patents
Using plastic waste timber construction and a method of manufacturing the composition Download PDFInfo
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- KR101538492B1 KR101538492B1 KR1020140096271A KR20140096271A KR101538492B1 KR 101538492 B1 KR101538492 B1 KR 101538492B1 KR 1020140096271 A KR1020140096271 A KR 1020140096271A KR 20140096271 A KR20140096271 A KR 20140096271A KR 101538492 B1 KR101538492 B1 KR 101538492B1
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- C08J3/00—Processes of treating or compounding macromolecular substances
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
Description
본 발명은 폐 플라스틱을 이용한 건축용 각재 및 그 제조방법에 관한 것이다. 종래의 건축용 각재는 주로 목재를 사용하였으나, 목재 건축용 각재는 건축현장의 특성상 외부에 쉽게 노출되는 관계로 방부제 등을 도포하여도 습기 등에 의해 부식이 빠르며, 외부의 충격에 의해 파손되며, 휨과 비틀림 발생하는 문제점이 있었고, 또한, 파손된 목재용 각재 등은 폐기처분하는 관계로 재사용이 불가능할 뿐 아니라 폐기하는 데 비용이 소요되는 등의 단점이 있었다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slab for building using waste plastics and a manufacturing method thereof. Conventional architectural timbers are mostly made of wood, but wood timber construction timbers are easily exposed to the outside due to the nature of the construction site. Even when the preservative is applied, the timber is rapidly corroded by moisture and the like, There is a problem in that the broken wood lumber or the like is discarded, so that it is not only impossible to reuse, but also has disadvantages such as costly disposal.
상기와 같은 목재용 각재의 문제점을 해결하기 위하여 무게가 가볍고, 반영구적으로 사용할 수 있는 플라스틱 또는 폐플리스틱을 이용한 각재에 대한 개발이 이루어지고 있다.In order to solve the problems of the above-mentioned timber slabs, there has been developed a slab made of plastic or waste plastics which is light in weight and can be used semi-permanently.
그러나 플라스틱의 경우 제조원가가 높아 실용성이 떨어지며, 폐플라스틱의However, in the case of plastic, the manufacturing cost is high and practicality is low.
경우, 각재의 길이가 3000mm가 되므로 탄성이나 인장강도가 낮아 각재의 변형이나 쉽게 파손되는 경우가 빈번히 발생하여 사용을 기피하는 경향이 있다., The length of the grooved material becomes 3000 mm, so that the elasticity and the tensile strength are low, so that the grooved material often deforms easily and breaks easily, which tends to avoid use.
따라서, 본 발명은 하기의 같이 폐플라스틱에 특유의 첨가제가 배합된 폐수지 조성물로 각재를 제조함으로써 무게가 가벼우면서도 탄성강도나 인장강도가 뛰어나 순간압력이나 고압력에서도 내충격성이 우수한 장점이 있다.
Accordingly, the present invention is advantageous in that it is light in weight and excellent in elastic strength and tensile strength, and excellent in impact resistance even at an instantaneous pressure or a high pressure, by producing a timber from an effluent composition containing additives specific to waste plastics as described below.
건설현장에서 건축물 등의 시공시 타설한 콘크리트가 경화하는 동안 원하는 형태를 유지시키기 위하여 거푸집이 필요하고 상기의 거푸집을 지지하기 위하여 각재나 환봉이 필요하다. 통상의 각재나 환봉은 목재가 주로 사용되고 있으나, 상기에서 설명한 바와 같이 목재용 각재는 부식이나 충격에 의해 파손되거나, 무게가 무거워 운반이나 설치시에 인력의 소모가 많은 단점이 있어 폐플라스틱을 이용한 각재가 개발되고 있으나, 내충격성이나 인장 강도 등이 떨어져 실용화가 이루어지고 있지 않은 실정이다.During the construction of the building in the construction site, the concrete placed in the concrete requires a mold to maintain the desired shape during curing, and a slab or round bar is needed to support the mold. As described above, wood slabs are damaged due to corrosion or impact, and they are heavy in weight, which causes a lot of manpower consumption during transportation and installation. Therefore, Has been developed, however, the impact resistance and the tensile strength are reduced and the practical use is not achieved.
종래의 선행기술들에 대하여 살펴보면, 국내 실용신안 등록 제20-286382호에는 목재와 수지 등의 폐기물을 회수하여 건축재로 사용되는 각재를 성형하기 위한, 폐기물을 이용한 건축용 각재 성형장치에 관한 기술이 개시되어 있다. 상기의 기술은 단지 톱밥과 폐수지를 주 성분으로 하여 이들을 성형하는 장치에 관한 것으로 첨가제 등의 대한 기술적 구성을 전혀 제시된 바 없다.In the conventional prior arts, Korean Utility Model Registration No. 20-286382 discloses a technique for forming a billet molding apparatus for construction using waste to form a billet used as a building material by recovering waste such as wood and resin. . The above-described technique relates to a device for molding them using only sawdust and waste resin as main components, and no technical structure of additives and the like has been proposed at all.
국내 실용신안 등록 제20-0418074호는 목재 대체용 거푸집 각재에 관한 것으로서 합성수지 성형물과 금속 프레임을 결합시킨 거푸집 각재가 개시되어 있고,국내 실용신안 등록 제20-0251828호는 내구성이 강한 폴리에틸렌 등과 같은 폐합성수지를 이용하여 기존의 원형 철재 파이프와 동일한 규격으로 팔각형상의 단면을 가지도록 형성된 것으로 이 역시 단순히 폴리에틸렌 등의 폐합성수지를 사출, 성형한 것으로 폐합성 수지에 배합되는 첨가제에 대하여는 언급된 바 없으며, 국내 실용신안 등록 제20-0213257호는 거푸집 각재에 관한 것으로 단지 거푸집 각재가 합성수지로 성형되어 브릿지 형상을 갖는 것으로 합성수지 성형물과 금속 프레임을 결합시킨 거푸집 각재가 개시되어 있을 뿐이다.
Korean Utility Model Registration No. 20-0418074 is related to a formwork for replacing a wooden material, which is formed by joining a molded resin of a synthetic resin and a metal frame, and Korean Utility Model Registration No. 20-0251828 discloses a method for manufacturing a mold It is formed by using synthetic resin to have an octagonal cross section with the same standard as the existing circular steel pipe. This is also simply injection molded of waste plastic such as polyethylene. There is no mention of additive to be blended in waste synthetic resin, The utility model registration No. 20-0213257 discloses a formwork slab which is formed by combining a synthetic resin molding and a metal frame with a bridge shape by molding a formwork slab into a synthetic resin.
본 발명은 상기와 같은 문제점을 해소하기 위해 인장강도나 충격강도가 높고, 탄성력이 뛰어난, 폐플라스틱을 이용한 건축용 각재나 환봉의 조성물을 제공하는 것이다.The present invention provides a composition for a building slab or a round bar using waste plastic having high tensile strength, impact strength and excellent elasticity to solve the above problems.
본 발명의 또 다른 목적은 각재에 공기구멍을 두어 충격을 흡수하면서도 무게가 가벼운 건축용 각재를 제공함을 목적으로 한다.Another object of the present invention is to provide an architectural slab that absorbs impact by providing air holes in the slabs and is light in weight.
본 발명의 또 다른 목적은 형광물질을 함유함으로써 야간에도 식별이 가능하여 사고를 예방할 있는 건축용 각재를 제공함에 그 목적이 있다.It is a further object of the present invention to provide a building timber that can be identified even at night by containing a fluorescent material to prevent accidents.
또한 본 발명은 마스터벳치를 첨가함으로써 성형기 내의 과부하를 억제하여 압출량이 증대되며, 금형(코엑스)에서의 탄화 현상이 발생하지 않아 생산성의 향상시키는 데 그 목적이 있다.
Further, the present invention has an object to increase the extrusion amount by suppressing the overload in the molding machine by adding the masterbatch, and to prevent the carbonization phenomenon in the mold (COEX) from occurring, thereby improving the productivity.
상기와 같은 목적을 달성하기 위해, 본 발명의 폐합성 수지를 이용한 건축용 각재의 수지 조성물은 폐플라스틱 100중량부에 대하여, 마스터 벳치(M/B) 5 내지 10중량부, 목분 3 내지 10중량부, LDPE(Low Density Polyethylene: 저밀도 폴리에틸렌) 5 내지 15중량부, 탄산 칼슘 5 내지 10 중량부, 가공조제 1~5중량부, 파라핀왁스 0.1~3중량부로 이루어짐을 특징으로 한다. 또한 상기의 수지 조성물으로 성형된 본 발명의 각재는 통공을 갖는 것을 특징으로 한다. In order to achieve the above object, the resin composition for architectural sculpture using the waste synthetic resin of the present invention comprises 5 to 10 parts by weight of masterbatch (M / B), 3 to 10 parts by weight of wood powder , 5 to 15 parts by weight of LDPE (Low Density Polyethylene), 5 to 10 parts by weight of calcium carbonate, 1 to 5 parts by weight of a processing aid and 0.1 to 3 parts by weight of paraffin wax. The sheet material of the present invention molded from the above resin composition is characterized by having a through hole.
상기의 폐합성수지는 폴리에틸렌(polyethylene;PE) 수지를 주성분하고 여기에 폴리아세탈(poly oxy methylene, polyacetal;POM)수지, 폴리프로필렌(polypropylene; PP)수지,폴리염화비닐(polyvinylchloride;PVC)수지, 폴리카보네이트(Polycarbonate:PC)수지, PET(Polyethylene terephthalate)수지 및PBT(Polybutylene terephthal)을 1종 또는 2종 이상 혼합하여 사용할 수 있으나, 폴리에틸렌 수지가 타 수지 대비 60 중량 % 이상을 함유하여야 한다.The waste synthetic resin is composed mainly of polyethylene (PE) resin and includes polyoxyethylene (POM) resin, polypropylene (PP) resin, polyvinylchloride (PVC) One or more of polycarbonate (PC) resin, polyethylene terephthalate (PET) resin and polybutylene terephthalate (PBT) may be used, but the polyethylene resin should contain 60 wt% or more of the other resin.
상기의 마스터 배치는 수지의 분산성과 착색력을 증가시키기 위하여 첨가제를 고농도로 농축분산시켜 펠렛(PELLET)화 한 것으로 PVC 레진 분말 100중량부에 대하여 액상의 2-옥틸 도데실 스테아린산 10~20 중량부, 형광물질 5 내지 10중량부, 지당 0.1~10중량부로 조성되어 있다.The master batch is pelletized by concentrating and dispersing additives at a high concentration in order to increase the dispersibility and tinting strength of the resin. The master batch contains 10 to 20 parts by weight of 2-octyldodecylstearic acid in a liquid form relative to 100 parts by weight of the PVC resin powder, 5 to 10 parts by weight of a fluorescent substance, and 0.1 to 10 parts by weight per day.
본 발명에서는 내충격성, 내저온 취화성, 유연성, 가공성, 필름의 투명성, 내화학성 및 전기절연성을 향상시키기 위하여 LDPE를 5 내지 15중량부을 첨가한다. 목분(wood fiber)은 120mesh로 분쇄한 것으로 목분의 첨가는 수지의 흐름성을 양호하게 하고 점도를 감소시키며 인장강도를 증가시키기 위하여 첨가한다.In the present invention, LDPE is added in an amount of 5 to 15 parts by weight in order to improve the impact resistance, the low-temperature hardenability, the flexibility, the processability, the transparency of the film, the chemical resistance and the electrical insulation. The wood fiber is pulverized to 120 mesh. The addition of wood powder is added to improve the flowability of the resin, reduce the viscosity, and increase the tensile strength.
원가절감. 물성의 개선, 기능성 부여 및 가공성 개선을 목적으로 충진재를 사용하고 있다. 본 발명에서는 천연의 석회석을 분쇄한 탄산칼슘을 충진재로 사용하고 있다. 탄산칼슘은 값이 싸고 백색도가 높고 또한 독성이 없어 통상적으로 플라스틱 가공에 충진재로 널리 이용되고 있다.
Cost Reduction. Fillers are used for the purpose of improvement of physical properties, functionalization and improvement of processability. In the present invention, calcium carbonate obtained by pulverizing natural limestone is used as a filler. Calcium carbonate is widely used as a filler in plastics processing because it is cheap, has high whiteness and is not toxic.
본 발명은 폐플라스틱 원료를 이용하여 제조되는 건축용 각재로 가벼우면서도 탄성강도나 인장강도가 높고, 목재와는 달리 파손된 각재는 이를 회수하여 재이용(Recycling)을 할 수 있으며, 형광물질을 함유하여 야간에는 발광에 의해 장애물이 있는 곳을 쉽게 파악할 건축현장에서의 사고를 미연에 예방 할 수 있는 등의 효과가 있다.
The present invention is a building slab made of waste plastic raw material, which is light and has high elastic strength and tensile strength. Unlike wood, broken slabs can be recovered and recycled, There is an effect that it is possible to prevent an accident at a construction site in which an obstacle can be easily grasped by light emission.
도 1은 건축용 각재.
도 2는 건축용 환봉.Fig.
Fig. 2 is a construction round bar.
본 발명의 건축용 각재의 조성성분 및 조성비율은 다음과 같다.The composition components and composition ratios of the building slabs of the present invention are as follows.
폐플라스틱 100중량부에 대하여, 마스터 벳치(M/B) 5 내지 10중량부, 목분 3 내지 10중량부, LDPE(Low Density Polyethylene: 저밀도 폴리에틸렌) 5 내지 15중량부, 탄산 칼슘 5 내지 10 중량부, 가공조제 1~5중량부, 파라핀왁스 0.1~3중량부로 이루어짐을 특징으로 한다.5 to 10 parts by weight of masterbatch (M / B), 3 to 10 parts by weight of wood powder, 5 to 15 parts by weight of LDPE (Low Density Polyethylene) and 5 to 10 parts by weight of calcium carbonate per 100 parts by weight of waste plastic 1 to 5 parts by weight of a processing aid, and 0.1 to 3 parts by weight of paraffin wax.
상기의 마스터벳치 혼합물의 조성은 표1과 같다.The composition of the above masterbatch mixture is shown in Table 1.
1차H-Mixer온도: 40-120℃
2차C-Blander온도: 상온 - 60℃
Primary H-Mixer temperature: 40-120 ° C
Secondary C-Blander temperature: normal temperature - 60 ° C
본 발명의 목적에 부합하는 폐플라스틱 수지 조성물은 마스터 벳치(M/B)나, 목분, LDPE, 탄산 칼슘의 조성비는 경우에 따라 일부 가감할 수 있으며, 반드시 상기한 조성물의 함량범위에만 국한되는 것은 아니다.In the waste plastics resin composition meeting the object of the present invention, the composition ratio of the masterbatch (M / B), wood flour, LDPE and calcium carbonate can be partially or additionally decreased, no.
실시예 1. (폐플라스틱 수지 조성물의 제조)Example 1 (Production of waste plastic resin composition)
수거된 폐플라스틱을 종류별과 선별한다. 선별된 폐플라스틱에 묻어있는 이물질을 제거한 후 폴리에틸렌 수지 60㎏과 폴리프로필렌 수지 20㎏ 및 PVC 수지 20㎏을 분쇄기에 넣고 분쇄한다. The collected waste plastics are sorted by type. After removing the foreign substances from the selected waste plastic, 60 kg of polyethylene resin, 20 kg of polypropylene resin and 20 kg of PVC resin are put into a pulverizer and pulverized.
분쇄한 폐플라스틱 100㎏에 마스터벳치 5㎏, LDPE 10㎏, 탄산 칼슘 8㎏, 가공조제 3㎏, 파라핀왁스 2㎏을 혼합기에 넣고 혼합하여 수지조성물을 제조한다.
10 kg of masterbatch, 10 kg of LDPE, 8 kg of calcium carbonate, 3 kg of processing aid, and 2 kg of paraffin wax were added to 100 kg of pulverized waste plastic, and mixed in a mixer to prepare a resin composition.
실시예 2 (폐플라스틱 건축용 각재의 제조)Example 2 (Manufacture of Granular Material for Construction of Waste Plastics)
상기 실시예 1에서 제조된 폐플라스틱 수지 조성물을 900∼1000rpm의 고속회전으로 10분 동안 교반한 다음, 교반된 혼합물을 호퍼에 투입된 후 스크류를 통하여 가열실린더로 유입시켜어 용융시킨다. 이때의 용융온도 200℃가 적당하다. 가열실린더 내부로 유입된 수지원료는 스크류의 회동에 의해 압출다이를 통해 압출성형기에서 도면 1과 같이 가로 80mm, 높이 50mm, 직경 3000mm 인 다수의 통공을 갖는 건축용 각재를 제조하였다.The waste plastic resin composition prepared in Example 1 was stirred at a high speed of 900 to 1000 rpm for 10 minutes, and then the stirred mixture was introduced into a hopper and introduced into a heating cylinder through a screw to melt the mixture. The melting temperature at this time is preferably 200 ° C. The resin raw material introduced into the heating cylinder was rotated through a screw to produce a slab for building having a large number of through holes having a width of 80 mm, a height of 50 mm and a diameter of 3000 mm in an extrusion molding machine through an extrusion die.
[비교예 1][Comparative Example 1]
상기 실시예 1의 수지조성물 중 마스터벳치를 사용하지 않은 것을 제외하고는 실시예 1과 동일하게 수지 조성물을 제조하였다.A resin composition was prepared in the same manner as in Example 1, except that the masterbatch was not used in the resin composition of Example 1.
[비교예 2][Comparative Example 2]
상기 실시예 1의 수지조성물 중 마스터벳치와 LDPE를 사용하지 않은 것을 제외하고는 실시예 1과 동일하게 수지 조성물을 제조하였다.
A resin composition was prepared in the same manner as in Example 1, except that Masterbatch and LDPE were not used in the resin composition of Example 1.
[실험예][Experimental Example]
상기와 같이 제조된 실시예 1, 비교예 1 및 2 조성물을 실시예 2의 압출성형기에 넣고 동일한 규격 각재를 제조한 후 각각의 각재에 대하여 인장강도(kg/㎠; ISO 75-1기준), 열변형온도(℃; ISO 527 기준), 충격강도(kg.㎝/㎝; ISO 179 기준) 및 낙추충격(높이 0.5m; 추무게 10㎏)을 시험하였다.The thus prepared compositions of Example 1 and Comparative Examples 1 and 2 were put into an extruder of Example 2 to produce the same standard timber. The tensile strengths (kg / cm 2, ISO 75-1 standard) and the tensile strength The test specimens were tested for thermal deformation temperature (℃, according to ISO 527), impact strength (kg.cm / ㎝; ISO 179 standard) and drop impact (height 0.5 m; weight 10 kg).
실시예 및 비교예에 대한 인장강도, 열변형온도, 충격강도 및 낙추충격에 대한 시험의 측정값을 표 2에 나타내었다.Table 2 shows the tensile strength, thermal deformation temperature, impact strength and measured values of the test for falling impact for the examples and comparative examples.
(kg.㎝/㎝)Impact strength
(kg.cm / cm)
(kgf.㎝/㎠)IZOD impact value
(kgf.cm / cm2)
[표 2]을 통해 실시예와 비교예의 조성물을 원재료로 하여 건축용 각재를 압출 성형한 후 각각의 시험에 대한 측정값을 살펴보면, 인장강도, 열변형온도, 충격강도 및 IZOD 충격값에 대한 시험에서는 본 발명의 수지 조성물인 실시예이 비교예 1 및 비교예 2에 비하여 높은 것으로 측정되었고, 특히, 열변형 온도, 충격강도 및 낙추충격 시험에서는 비교예 1 및 비교예 2에 비하여 매우 높은 것으로 확인되었다.[Table 2] shows the results of extrusion molding of the building slabs using the compositions of the examples and comparative examples as raw materials, and the results of the tests for tensile strength, heat distortion temperature, impact strength and IZOD impact value The resin composition of the present invention was found to be higher than those of Comparative Examples 1 and 2, and in particular, it was confirmed that the heat distortion temperature, the impact strength and the dropping impact test were much higher than those of Comparative Example 1 and Comparative Example 2.
또한, 본 발명의 건축용 각재는 통상의 플라스틱 또는 페플라스틱 수지를 이용한 각재에 비하여 그 무게가 2/3 정도로 원료의 절감은 물론 가벼워 운반이나 설치가 용이한 것으로 확인되었다.In addition, the building slab of the present invention has a weight of about 2/3 as compared with the conventional slabs made of plastic or papermolithic resin, and it has been confirmed that the slabs are light in weight and easy to carry and install.
Claims (5)
건축용 각재는 가로 80mm, 높이 50mm, 직경 3000mm 인 것을 특징으로 하는 폐플라스틱을 이용한 건축용 각재의 제조방법.The method of claim 3,
Wherein the architectural slab is 80 mm in width, 50 mm in height, and 3000 mm in diameter.
건축용 각재는 환봉인 것을 특징으로 하는 폐플라스틱을 이용한 건축용 각재의 제조방법.The method of claim 3,
Wherein the building slab is a round bar.
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