KR20030059588A - Electrostatic Dissipative Terrazzo - Google Patents
Electrostatic Dissipative Terrazzo Download PDFInfo
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- KR20030059588A KR20030059588A KR1020020000170A KR20020000170A KR20030059588A KR 20030059588 A KR20030059588 A KR 20030059588A KR 1020020000170 A KR1020020000170 A KR 1020020000170A KR 20020000170 A KR20020000170 A KR 20020000170A KR 20030059588 A KR20030059588 A KR 20030059588A
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- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00439—Physico-chemical properties of the materials not provided for elsewhere in C04B2111/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
본 발명은 정전기 분산용 테라죠에 관한 것으로서, 더욱 상세하게는 기존의 백시멘트, 종석, 대리석 칩 등으로 구성된 테라죠 조성물에 적당량의 전도성 탄소 섬유 및 섬유 분산제를 포함하는 정전기 분산용 테라죠에 관한 것이다.The present invention relates to a terrazzo for electrostatic dispersing, and more particularly, to a terrazzo for electrostatic dispersing comprising an appropriate amount of conductive carbon fibers and a fiber dispersant in a terrazzo composition composed of conventional back cement, keystone, marble chips, and the like. will be.
종래에는 건축물의 바닥면에 정전기를 방지할 목적으로 재료에 적절히 전기 전도성을 부여한 도전성 에폭시수지, 도전성 PVC타일, 도전성 카펫, 도전성 매트 등을 사용하여 왔다.Conventionally, conductive epoxy resins, conductive PVC tiles, conductive carpets, conductive mats and the like that have appropriately provided electrical conductivity to materials have been used for the purpose of preventing static electricity on the floor of a building.
그러나 상기 기술들은 유기질계 바인더에 금속계 물질을 분산시켜 정전기 분산 특성을 얻는 시스템으로, 정전기 분산 특성이 떨어지고, 내화성이 낮으며, 중량물의 이동시 파손 또는 변형의 우려가 있었다.However, the above techniques are systems for obtaining electrostatic dispersion characteristics by dispersing a metal-based material in an organic binder. The electrostatic dispersion characteristics are poor, fire resistance is low, and there is a fear of breakage or deformation when moving heavy materials.
본 발명의 정전기 분산용 테라죠는 무기질계로서 유기질계 바인더에 의한 기존 시스템에 비하여 전기 저항 조절이 용이하고, 내화성이 뛰어나며, 내구성이 우수하여 기존 기술의 이러한 문제점의 해결이 가능하다.The terrazzo for electrostatic dispersion of the present invention is an inorganic type, which is easy to control electric resistance, excellent fire resistance, and excellent durability compared to the existing system based on an organic binder, and thus it is possible to solve these problems of the existing technology.
본 발명은 종래의 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 정전기 분산성이 우수할 뿐만 아니라, 내구성, 내화성을 획기적으로 향상시킨 정전기 분산용 테라죠 조성물 및 그 제조방법을 제공하는데 그 목적이 있다The present invention has been made to solve the above problems in the prior art, to provide a terrazzo composition for electrostatic dispersion and a method for producing the electrostatic dispersion not only excellent electrostatic dispersibility, but also significantly improved durability and fire resistance. have
본 발명의 상기 목적은 시멘트계 바인더, 종석류로 구성된 테라죠 조성물에 탄소섬유, 섬유 분산제를 이용하므로써 달성된다.The above object of the present invention is achieved by using a carbon fiber, a fiber dispersant in a terrazzo composition composed of a cement binder and stalactites.
상기 전도성 탄소 섬유는 시멘트계 바인더 시스템에서 균일하게 분산되면, 섬유의 장방향으로 네트워킹이 되어 표면 저항의 조절이 매우 용이하다.When the conductive carbon fiber is uniformly dispersed in the cement-based binder system, the fiber is networked in the long direction of the fiber, so that it is very easy to control the surface resistance.
이하, 본 발명은 정전기 분산용 테라죠에 관한 것으로서 좀 더 상세하게 설명하면 다음과 같다.Hereinafter, the present invention relates to a terrazzo for electrostatic dispersion.
본 발명의 정전기 분산용 테라죠는 원료 조성으로 백시멘트, 종석, 대리석 칩, 1 ∼ 10 mm 길이의 탄소섬유 0.05 ∼ 0.30 중량부 및 섬유분산제 0.1 ∼ 0.3 중량부를 포함하여 구성되는 것을 특징으로 하여, 표면-표면 저항 및 표면-접지 저항이 2.5 × 104Ω∼ 1.0 × 106Ω을 가지는 정전기 분산용 테라죠에 관한 것이다.The terrazzo for electrostatic dispersion of the present invention is characterized in that the raw material composition comprises a back cement, feldspar, marble chips, 0.05 to 0.30 parts by weight of carbon fibers 1 to 10 mm in length and 0.1 to 0.3 parts by weight of the fiber dispersant, It relates to a terrazzo for electrostatic dispersion having a surface-surface resistance and a surface-earth resistance of 2.5 × 10 4 kPa to 1.0 × 10 6 kPa.
상기 백시멘트, 종석, 대리석 칩은 테라죠의 주요 조성물로서, 본 발명은 이들 조성물의 조성비에 한정하지 않는다.The back cement, the keystone, and the marble chip are the main compositions of Terrajo, and the present invention is not limited to the composition ratio of these compositions.
상기의 도전성 탄소 섬유의 경우, 길이가 1mm ∼ 10 mm 범위인 피치(Pitch)계 또는 팬(PAN)계 탄소 섬유가 해당되며, 그 중에서도 3mm ∼ 6mm 의 길이의 팬(PAN)계 탄소 섬유가 가장 바람직하다.In the case of the conductive carbon fiber described above, a pitch-based or pan-based carbon fiber having a length ranging from 1 mm to 10 mm is applicable, and a pan-based carbon fiber having a length of 3 mm to 6 mm is the most. desirable.
이 때 상기 도전성 탄소 섬유의 길이가 10mm 를 초과하면 수지와 혼합 성능이 떨어지며, 1mm 미만이면 전기 저항 특성이 떨어진다.At this time, when the length of the conductive carbon fiber exceeds 10mm, the mixing performance with the resin is inferior, when less than 1mm, the electrical resistance properties are inferior.
바람직하게는 팬(PAN)계가 피치(Pitch)계에 비하여 전기 저항 특성 및 분산성이 좋다.Preferably, the pan system has better electrical resistance and dispersibility than the pitch system.
이 때 상기의 섬유 분산제의 첨가량이 0.05 ∼ 0.30 중량부로서, 바람직하게는 0.10 ∼ 0.15 가 가장 좋다. 0.05 중량부 미만 및 0.30 중량부를 초과하면 최적의 정전기 분산 성능인 2.5 × 104Ω∼ 1.0 × 106Ω를 벗어나게 된다.At this time, the addition amount of said fiber dispersing agent is 0.05-0.30 weight part, Preferably 0.10-0.15 are the best. If it is less than 0.05 part by weight and exceeds 0.30 part by weight, it is out of the optimum static dispersion performance of 2.5 × 10 4 Pa ~ 1.0 × 10 6 Pa.
그러나, 상기의 도전성 탄소 섬유는 전기 저항을 안정적으로 조절하기 위하여서는 탄소 섬유의 분산성이 향상되어야 한다.However, in order to stably adjust the electrical resistance of the conductive carbon fiber, the dispersibility of the carbon fiber should be improved.
본 발명의 상기 섬유 분산제는 도전성 탄소 섬유의 분산성을 개선하기 위하여 사용되었는데, 1,6 Hexandiole, Neopentylglycole 가 바람직하다.The fiber dispersant of the present invention was used to improve the dispersibility of the conductive carbon fiber, 1,6 Hexandiole, Neopentylglycole is preferred.
이 때 상기의 섬유 분산제의 첨가량이 0.1 ∼ 0.3 중량부로서, 이 범위를 벗어나면 작업성에 영향을 미치지 못하거나 경제적이지 않다.At this time, the addition amount of the fiber dispersant is 0.1 to 0.3 parts by weight, if outside this range does not affect the workability or economical.
이하 본 발명의 실시예 및 비교예를 들어 상세히 설명하고자 하나, 이하의 실시예들은 본 발명을 예증하기 위한 것으로서 본 발명이 기술된 실시예에 제한되는 것은 아니다.Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples, but the following Examples are provided to illustrate the present invention, and the present invention is not limited to the described Examples.
실시예 1 ∼ 2 및 비교예 1 ∼ 2Examples 1-2 and Comparative Examples 1-2
1. 하기 표 1의 조성비에 따라 각 재료를 믹서에 넣고 혼합한 후, 400 ×400 ×25 mm 의 몰드에 부어 가압 성형하였다.1. According to the composition ratio of Table 1 below, each material was put into a mixer, mixed, and then poured into a mold of 400 × 400 × 25 mm to be pressure molded.
2. 가압 성형한 후 1일간 양생 시킨 후, 충분히 연마하여 재령 7일 싯점에서 바닥에 30cm 격자 모양으로 동테이프로 연결한 후 제작한 테라죠 타일을 놓고 ESD S.7.1에 의거하여 표면-표면 저항 및 표면-접지 저항을 측정하였다.2. After curing for 1 day, press-molded, and polish it sufficiently, connect it with copper tape in the shape of 30cm on the floor at 7th day of age, and then place the terrazzo tile, which is manufactured according to ESD S.7.1. And surface-ground resistance.
3. 재료 중 공통적으로 백시멘트, 종석(2mm ∼ 15mm), 및 대리석 칩을 중량비로 1 : 3 : 3 비율로 구성하였다.3. Commonly among the materials, white cement, feldspar (2 mm to 15 mm), and marble chips were composed in a weight ratio of 1: 3: 3.
4. 표 1의 탄소섬유 및 섬유 분산제의 중량비는 전체 재료 비 중의 첨가량을 나타낸 것이다. 이 때 탄소 섬유는 팬계 3mm 이고, 섬유 분산제는 1,6 Hexandiole 를 사용하였다.4. The weight ratio of carbon fiber and fiber dispersant in Table 1 shows the addition amount in the total material ratio. At this time, the carbon fiber was a pan-based 3mm, and the fiber dispersant was 1,6 Hexandiole.
상기 표 2는 측정 결과를 나타낸 것이다.Table 2 shows the measurement results.
실시예 1 ∼ 2 에서와 같이 표면-표면 저항값 및 표면-접지 저항값이 2.5 × 104Ω∼ 1.0 × 106Ω으로 바람직한 정전기 분산 성능을 나타내었다.As in Examples 1 to 2, the surface-surface resistance value and the surface-ground resistance value were 2.5 × 10 4 kPa to 1.0 × 10 6 kPa, which showed a desirable electrostatic dispersion performance.
반면에, 비교예 1 ∼ 2 에서와 같이 표면-표면 저항값 및 표면-접지 저항값이 2.5 × 104Ω∼ 1.0 × 106Ω을 벗어났다.On the other hand, as in Comparative Examples 1 and 2, the surface-surface resistance value and the surface-ground resistance value deviated from 2.5 × 10 4 kPa to 1.0 × 10 6 kPa.
본 발명의 정전기 분산용 테라죠는 우수한 정전기 분산 효과 및 무기질계로서 불연성을 가지고 있어, 정전기 분산용 바닥재가 요구되는 화학, 화약 공장에서 프리케스트 제품으로서 쉽게 적용이 가능하다.The terrazzo for electrostatic dispersion of the present invention has an excellent electrostatic dispersion effect and non-combustibility as an inorganic system, and can be easily applied as a precast product in a chemical and gunpowder factory requiring an electrostatic dispersion flooring material.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100641646B1 (en) * | 2002-04-22 | 2006-11-03 | 주식회사 인트켐 | Electrostatic Protective Terrazzo |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100641646B1 (en) * | 2002-04-22 | 2006-11-03 | 주식회사 인트켐 | Electrostatic Protective Terrazzo |
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