KR960001005B1 - Frc artificial wood - Google Patents

Frc artificial wood Download PDF

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Publication number
KR960001005B1
KR960001005B1 KR1019930006307A KR930006307A KR960001005B1 KR 960001005 B1 KR960001005 B1 KR 960001005B1 KR 1019930006307 A KR1019930006307 A KR 1019930006307A KR 930006307 A KR930006307 A KR 930006307A KR 960001005 B1 KR960001005 B1 KR 960001005B1
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South Korea
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parts
cement
high strength
artificial
wood
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KR1019930006307A
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Korean (ko)
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이은구
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이은구
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/30Nailable or sawable materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The synthetic wood is composed of 35-45 parts portland cement, 5-20 parts high strength cement, 35-45 parts stone powder with an average particle size of 200 microns, and 5-15 parts short fiber of PVC, PE or polyamide. The high strength cement, which is a rapid solidifying cement, contains 20wt% Al2O3 and 15-25wt% SO3. The average length of short fiber is 5-7mm, and the average diameter 0.7-1.3mm. The artificial wood has excellent strength, light weight and durability, and is very easy to cut and give patterns and colors.

Description

고강도 인조목High strength artificial wood

본 발명은 인조목에 관한 것으로, 상세하게로는 벤치, 탁자, 의자, 인공폭포, 외벽장식, 실내장식, 풀장등에 사용될 수 있는 인조목 또는 인조바위에 관한 것이다.The present invention relates to artificial wood, and more particularly to artificial wood or artificial rock that can be used in benches, tables, chairs, artificial waterfalls, exterior wall decoration, interior decoration, pool.

종래의 인조목 또는 인조바위는 주로 콘크리트 인조목으로 시멘트, 모래 자갈 등을 주성분으로 하여 제조된다. 이러한 인조목은 강도가 부족하여 파손이 심하여 외관이 쉽게 손상되고, 방수성이 부족하여 본 타일코팅을 해야만 방수가 되며 이것이 벗겨 질 경우에는 쉽게 부식되며, 양생기간이 길 뿐만 아니라, 부품 간의 접착력이 부족하고 비중이 높아 작업성이 떨어지고 절단이 불가능한 문제점이 있다.Conventional artificial wood or artificial rock is mainly made of artificial artificial wood, cement, sand gravel, etc. are manufactured as a main component. These artificial woods are poorly damaged due to lack of strength, so they are easily damaged. The lack of waterproofness makes them waterproof only when this tile coating is applied. If they are peeled off, they are easily corroded, the curing time is long, and the adhesion between parts is insufficient. And there is a problem that the workability is high and the cutting is impossible due to the high specific gravity.

이러한 문제점을 해결하기 위한 기술로는 FRP제품이 있다. 섬유강화 합성수지로 제조되는 FRP제품은 주로 인조바위의 용도로 한정적으로 사용되며, 콘크리트 인조목의 가장 큰 문제점인 강도부족과 절단이 불가능한 문제는 해결하였으나, 표면에 무늬와 색상을 부여하는 것이 불가능할 뿐만 아니라, 자연상태에서 잘 분해되지 않으므로 환경을 오염시킬 우려가 많으며, 또한 재료비가 지나치게 높은 문제점이 있다.Technology to solve this problem is FRP products. FRP products made of fiber-reinforced synthetic resins are mainly used for the purpose of artificial rock and have solved the problem of lack of strength and inability to cut, which is the biggest problem of concrete artificial wood, but it is impossible to give pattern and color to the surface. In addition, there is a high possibility of polluting the environment because it does not decompose well in the natural state, there is also a problem that the material cost is too high.

이외에도 대한민국 특허공구 제75-61호, 제84-1886호등과 같은 여러 가지 기술이 제시된 바 있으나, 대부분 에폭시 수지, 폴리에스테르수지, 폴리아미드 수지 등과 같은 합성수지를 첨가하여 강도를 증가시키는 것으로, 상기 FRP제품에서 지적되었던 문제점을 그대로 가지고 있다.In addition, various techniques such as Korean Patent Tool Nos. 75-61 and 84-1886 have been presented, but most of them increase the strength by adding synthetic resin such as epoxy resin, polyester resin, polyamide resin, etc. It has the same problem pointed out by the product

본 발명은 상기한 바와 같이 문제점을 해결하기 위한 것으로 , 강도와 절단성, 내구성이 양호하되 표면에 무늬와 색상을 자유자재로 부여할 수 있으며, 양생기간이 짧고 자연상태에서 분해될수 있을 뿐만 아니라, 생산단가가 저렴한 인조목 및 인조바위를 제공하는 것을 목적으로 한다.The present invention is to solve the problem as described above, the strength and cutting properties, durability is good, but can be freely given a pattern and color on the surface, the curing period is short and can be decomposed in the natural state, It aims to provide artificial wood and artificial rock with low production cost.

본 발명자는 상기 목적을 달성하기 위하여 연구한 결과, 포트란트 시멘트에 고강도 시멘트,미세 입자의 석분, 합성수지 재질의 단섬유(chopped strand)를 적절히 혼합하여 성형하게 되면 요구되는 물성을 지닌 인조목 및 인조바위를 얻을 수 있음을 밝혀 내게 되었다.The present inventors have studied in order to achieve the above object, artificial wood and artificial leather having the required physical properties when molded by mixing a high-strength cement, fine particles of fine powder, chopped strand of synthetic resin material It turned out that I could get a rock.

즉, 본 발명은 포트란트시멘트, 고강도 시멘트, 석분, 단섬유 등을 포함하는 것을 특징으로한다.That is, the present invention is characterized in that it comprises a potent cement, high strength cement, stone powder, short fibers and the like.

이하 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.

본 발명에 사용되는 통상의 포트란트 시멘트는 그 적절한 사용량이 35 내지 45중량부(이하 “부”로 약칭함)이다. 이 이상 사용할 경우에는 강도가 저하될 뿐만 아니라 비중이 지나치게 높게 되며, 이 이하 사용할 경우에는 물성 향상의 정도에 비하여 생산단가가 지나치게 상승되기 때문이다.Conventional portland cement used in the present invention has a suitable amount of 35 to 45 parts by weight (abbreviated as "parts" below). This is because when used more than this, not only the strength is lowered but also the specific gravity is too high, and when it is used below, the production cost is excessively increased compared to the degree of improvement of physical properties.

본 발명에 사용되는 고강도 시멘트는 속결성 시멘트로서 Al2O3성분이 20중량%(이하,“%”로 약칭함)내외 SO3성분을 15 내지 25% 함유한 것이다. 그 적절한 사용량은 5 내지 20부로, 이 범위 이상 사용의 경우에는 비중이 증가하고 생산단가가 지나치게 상승되며, 이 범위 이하 사용의 경우에는 양생기간이 지나치게 길어지고, 강도가 부족하게 되는 문제점이 발생한다.The high-strength cement used in the present invention is a fastening cement containing 20 to 25% by weight of the Al 2 O 3 component (hereinafter abbreviated as "%") and an SO 3 component. The appropriate amount of use is 5 to 20 parts, the use of more than this range increases the specific gravity and excessively increase the production cost, the use of less than this range causes the curing period is too long, the strength is insufficient. .

본 발명에 사용되는 단섬유는 강도 향상과 경량성을 부여하는 역할을 하며, 평균 길이 5내지 7mm,평균 직경0.7 내지 1.3mm정도의 것이 바람직하다. 재질은 범용 합성수지는 대부분 사용될 수 있으나, PVC, PE, 폴리아미드 등을 사용한 것이 바람직하다. 그 적절한 사용량은 5 내지 15부로서 이 이상 사용할 경우에는 물성 향상의 정도에 비하여 생산단가가 지나치게 상승하는 문제점이 있으며, 이 이하 사용할 경우에는 강도가 저하되는 문제점이 발생한다.The short fibers used in the present invention serve to improve strength and light weight, and preferably have an average length of 5 to 7 mm and an average diameter of about 0.7 to 1.3 mm. The general purpose synthetic resin may be used as a material, but PVC, PE, polyamide, or the like is preferably used. The proper amount of use is 5 to 15 parts, the use of more than this, there is a problem that the production cost is excessively increased compared to the degree of improvement of the physical properties, the use of less than this causes a problem that the strength is lowered.

본 발명에 사용되는 석분은 평균 입경이 200㎛ 이하의 미세한 것으로, 그 적절한 사용량은 35 내지 45부이다.Stone powder used in the present invention is a fine particle having an average particle diameter of 200 µm or less, and an appropriate amount thereof is 35 to 45 parts.

이상과 같은 조성 외에 필요에 따라 색소 등 첨가제가 사용될 수 있다.In addition to the composition described above, additives such as pigments may be used as necessary.

상기와 같이 구성된 본 발명의 인조목은 강도, 경량성, 내구성 등이 우수할 뿐만 아니라, 절단과 무늬 및 색상의 부여가 용이하며,생산단가가 저렴하고, 특히 장기간 사용 후 자연상태에서 분해가 비교적 잘 일어나므로 환경오염을 줄일 수 있는 효과를 나타낸다.Artificial wood of the present invention configured as described above is not only excellent in strength, light weight, durability, etc., but also easy to cut, pattern, and color, and is inexpensive to produce, especially in natural state after long-term use. It happens well, so it has the effect of reducing environmental pollution.

또한 현재 대부분 수입에 의존하고 있는 목재와 날로 고갈되어 가고 있는 천연 골재의 대체품으로 효과적으로 사용될 수 있는 획기적인 제품이다.It is also a groundbreaking product that can be effectively used as a substitute for wood and raw aggregates, which are now mostly imported.

본 발명의 실시예는 다음과 같다.Embodiments of the present invention are as follows.

실시예Example

포트란트 시멘트 400g, 직경 1mm, 길이 6mm인 PE 재질의 단섬유 90g, SO3성분을 20%함유한 고강도시멘트 100g,평균직경 석분 400g, 카본 블랙. 10g을 물에 투입하고 잘 혼련하여 나무 무늬의 성형틀에 넣어 성형한 후 양생시간의 경과에 따른 압축강도의 변화는 아래의 표1과 같다.400 g of Portland cement, 90 g of short fibers made of PE with a diameter of 1 mm and a length of 6 mm, 100 g of high strength cement containing 20% of SO 3 , 400 g of average diameter stone powder, carbon black. After 10g of water was kneaded and kneaded well and put into a mold of a wooden pattern, the change in compressive strength according to the curing time is shown in Table 1 below.

비교예Comparative example

포트란트 시멘트 10부, 모래 20부, 자갈 30부로 구성된 콘크리트 인조목의 성형 후의 양생시간 경과에 따른 압축강도의 변화는 아래의 표 1과 같다.The changes in compressive strength over time after curing of artificial artificial wood, consisting of 10 parts of Portland cement, 20 parts of sand, and 30 parts of gravel, are shown in Table 1 below.

[표 1]TABLE 1

Claims (3)

포트란트 시멘트 35 내지 45부, 고강도 시멘트 5 내지 20중량부, 평균 입경 200㎛ 이내인 석분 35 내지 45중량부, 단섬유 5 내지 15중량부를 포함하는 것을 특징으로 하는 고강도 인조목.High strength artificial wood comprising 35 to 45 parts of Portland cement, 5 to 20 parts by weight of high strength cement, 35 to 45 parts by weight of stone powder within an average particle diameter of 200 μm, and 5 to 15 parts by weight of short fibers. 제 1 항에 있어서, 고강도 시멘트는 SO3성분을 15 내지 25%함유한 것을 특징으로하는 고강도 이조목.The high strength duplex wood according to claim 1, wherein the high strength cement contains 15 to 25% of the SO 3 component. 제 1 항에 있어서, 단섬유는 평균길이 5내지 7mm, 평균 직경 0.7 내지 1.3mm 인 것을 특징으로 하는 고강도 인조목.The high strength artificial tree according to claim 1, wherein the short fibers have an average length of 5 to 7 mm and an average diameter of 0.7 to 1.3 mm.
KR1019930006307A 1993-04-15 1993-04-15 Frc artificial wood KR960001005B1 (en)

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KR1019930006307A KR960001005B1 (en) 1993-04-15 1993-04-15 Frc artificial wood

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