KR100887890B1 - Protecting tube for cable and pipe - Google Patents
Protecting tube for cable and pipe Download PDFInfo
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- KR100887890B1 KR100887890B1 KR1020070065889A KR20070065889A KR100887890B1 KR 100887890 B1 KR100887890 B1 KR 100887890B1 KR 1020070065889 A KR1020070065889 A KR 1020070065889A KR 20070065889 A KR20070065889 A KR 20070065889A KR 100887890 B1 KR100887890 B1 KR 100887890B1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
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- General Engineering & Computer Science (AREA)
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
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Abstract
본 발명은 해저의 배선 및 배관되는 통신 케이블, 전력케이블, 가스 이송관 등의 설비를 보호하기 위한 시설물의 설치가 보다 용이하게 이루어질 수 있을 뿐만 아니라 해수에 의한 내 가수분해성과 내구성이 우수한 해저 케이블, 해저 파워케이블 및 파이프 보호관에 관한 것으로, 보다 자세하게는 글리콜중합체 및 디이소시아네이트로 이루어진 프리폴리머 70 내지 90 중량부, 체인 확장제 5 내지 30 중량부, 산화방지제 0.03 내지 0.06 중량부, 난연제 0.1 내지 0.5 중량부 및 자외선방지제 0.04 내지 0.1 중량부를 포함하여 이루어진 것을 특징으로 한다.The present invention not only can be easily installed in the installation of facilities for protecting facilities such as communication cables, power cables, gas transfer pipes and the like to be connected to the seabed, but also excellent in hydrolysis resistance and durability by seawater, It relates to subsea power cable and pipe protection tube, more specifically 70 to 90 parts by weight of a prepolymer consisting of glycol polymer and diisocyanate, 5 to 30 parts by weight of chain extender, 0.03 to 0.06 parts by antioxidant, 0.1 to 0.5 parts by weight of flame retardant and It is characterized by comprising a sunscreen 0.04 to 0.1 parts by weight.
또한, 글리콜중합체 및 디이소시아네이트로 이루어진 프리폴리머 70 내지 90 중량부, 체인 확장제 5 내지 30 중량부, 충전제 10 내지 15 중량부, 산화방지제 0.03 내지 0.06 중량부, 난연제 0.1 내지 0.5 중량부 및 자외선방지제 0.04 내지 0.1 중량부를 포함하여 이루어질 수도 있다.In addition, 70 to 90 parts by weight of a prepolymer consisting of a glycol polymer and a diisocyanate, 5 to 30 parts by weight of a chain extender, 10 to 15 parts by weight of a filler, 0.03 to 0.06 parts by weight of antioxidant, 0.1 to 0.5 parts by weight of a flame retardant and 0.04 to UV light. It may also comprise 0.1 parts by weight.
보호관, 파이프, 프리폴리머, 충전제, 체인 확장제 Sheaths, pipes, prepolymers, fillers, chain extenders
Description
본 발명은 해저에 배선 및 배관되는 통신 케이블, 전력케이블, 가스 이송관 등의 설비를 외력으로부터 보호하기 위한 전선 및 파이프 보호관에 관한 것이다.The present invention relates to a wire and pipe protection tube for protecting equipment such as communication cables, power cables, gas transfer pipes, etc., which are wired and piped to the seabed from external forces.
종래에 사용되던 전선 및 파이프 보호관은 한국등록실용 (313,132)-케이블 보호커버, 일본공개실용 (소59-053626)-해저케이블 보호구, 한국등록실용 (223,923)-케이블 보호커버, 일본공개특허 (평8-196011)-케이블 보호장치, 한국공개실용 (1988-010767), 일본공개실용 (평2-146928) 등은 주철 혹은 주강을 소재로 된 선행된문서로 반원형으로 양분된 관체의 양측에 각각 플랜지를 일체로 형성하고 각 플랜지 사이에 볼트와 너트를 결합하여 각 반원형 관체를 원형이 되도록 조립하는 구조였다.Conventionally used wire and pipe protection pipes include Korea Registered Room (313,132)-Cable Protector Cover, Japanese Opening Room (Small 59-053626)-Submarine Cable Protector, Korea Registered Room (223,923)-Cable Protector Cover, 8-196011)-Cable protection device, Korean public room (1988-010767), Japanese public room (Pyeong 2-146928), etc., are preceded documents made of cast iron or cast steel with flanges on both sides of the pipe divided in semicircular shape. Was formed integrally, and each semi-circular tube was assembled into a circle by combining bolts and nuts between the flanges.
그러나 상기 보호관으로 사용되던 재료의 물성은 주철 혹은 주강으로 비중과인장강도 및 강도 등이 우수하지만 시간이 경과함에 따라 부식이 심화 되어 외부의 작은 충격에 의해 쉽게 파손될 뿐만 아니라 설치기간이 길어지면 해 수중에서 마모 안정성이 떨어져지고 부식으로 인한 보수가 어려고 변형되는 문제점이 있었다.However, the physical properties of the material used as the protective tube is excellent in specific gravity, tensile strength and strength, such as cast iron or cast steel, but as time goes by, the corrosion is intensified and easily damaged by external small impact, Among them, there was a problem that the wear stability is deteriorated and deformed to repair due to corrosion.
또한, 포설시 주철관의 무게로 잠수 작업자의 작업 한계가 있어 포설시 포설비용이 과다한 문제점이 있고, 보호관을 이루는 재료의 물성이 염분에 의해 약해져 보호관으로서의 기능이 약화하는 문제점이 있었다.In addition, there is a problem that the installation of the dive worker due to the weight of the cast iron pipe at the time of installation, there is an excessive problem for the installation of the installation, the physical properties of the material constituting the protective tube weakened by salts, there was a problem that the function as a protective tube is weakened.
본 발명은 상기의 문제점을 해결하기 위한 것으로, 본 발명의 목적은 체인 확장제, 산화방지제, 자외선 차단제의 첨가를 통해 고분자 물질이 장기간동안 해수, 자외선에 노출되어도 자외선에 의한 분해가 되지 않으며 본래의 물성을 유지하는 전선 및 파이프 보호관을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention through the addition of chain extenders, antioxidants, sunscreens, polymer material is not decomposed by ultraviolet light even if exposed to seawater, ultraviolet rays for a long time and the original physical properties To provide wire and pipe sheaths to maintain them.
또한, 본 발명의 다른 목적은 충전제가 첨가되어 내 마모성과 강도가 향상되어 쉽게 마모되지 않고 외부의 충격으로부터 잘 견디는 전선 및 파이프 보호관을 제공하는 것이다.Another object of the present invention is to provide a wire and pipe protection tube in which filler is added to improve wear resistance and strength so that it is not easily worn and can withstand external shocks well.
또한, 본 발명의 또 다른 목적은 체인 확장제가 첨가되면 연성이나 강성이 향상되어 인장력 등으로 인한 외력에 쉽게 변형되지 않는 전선 및 파이프 보호관을 제공하는 것이다.In addition, another object of the present invention is to provide a wire and pipe protective tube is added when the chain extender is added, the ductility or rigidity is not easily deformed by the external force due to the tensile force.
전술한 본 발명의 목적은, 글리콜중합체 및 디이소시아네이트로 이루어진 프리폴리머 70 내지 90 중량부, 체인 확장제 5 내지 30 중량부, 산화방지제 0.03 내지 0.06 중량부, 난연제 0.1 내지 0.5 중량부 및 자외선차단제 0.02 내지 0.1 중량 부를 포함하여 이루어진 전선 및 파이프 보호관에 의해 달성된다.The object of the present invention described above is a 70 to 90 parts by weight of a prepolymer consisting of a glycol polymer and a diisocyanate, 5 to 30 parts by weight of a chain extender, 0.03 to 0.06 parts by weight of antioxidant, 0.1 to 0.5 parts by weight of a flame retardant and 0.02 to 0.1 of a sunscreen. It is achieved by a wire and pipe sheath consisting of parts by weight.
전술한 본 발명의 목적은 또한, 글리콜중합체 및 디이소시아네이트로 이루어진 프리폴리머 70 내지 90 중량부, 체인 확장제 5 내지 30 중량부, 충전제 10 내지 15 중량부, 산화방지제 0.03 내지 0.06 중량부, 난연제 0.1 내지 0.5 중량부 및 자외선차단제 0.02 내지 0.1 중량부를 포함하여 이루어진 전선 및 파이프 보호관에 의해서도 달성될 수 있다.The object of the present invention described above is also 70 to 90 parts by weight of a prepolymer consisting of a glycol polymer and a diisocyanate, 5 to 30 parts by weight of a chain extender, 10 to 15 parts by weight of a filler, 0.03 to 0.06 parts by weight of an antioxidant, and 0.1 to 0.5 flame retardant. It can also be achieved by an electric wire and pipe protective tube made of a part by weight and 0.02 to 0.1 parts by weight of the sunscreen.
본 발명의 바람직한 특징에 따르면, 전술한 디이소시아네이트는 메틸렌 디페닐 디이소시아네이트(MDI : 4,4-Methylene Diphenyl Diisocyanate), 톨루엔 디이소시아네이트(TDI : 2,4 또는 2,6-Toluene Diisocyanate) 및 나프탈렌 디이소시아네이트(NDI : 1,5-Naphthalene Diisocyanate)로 구성된 그룹으로부터 선택된 하나의 성분으로 이루어진다.According to a preferred feature of the invention, the above-mentioned diisocyanate is methylene diphenyl diisocyanate (MDI: 4,4-Methylene Diphenyl Diisocyanate), toluene diisocyanate (TDI: 2,4 or 2,6-Toluene Diisocyanate) and naphthalene di It consists of one component selected from the group consisting of isocyanates (NDI: 1,5-Naphthalene Diisocyanate).
본 발명의 더욱 바람직한 특징에 따르면, 전술한 체인 확장제는 1,4-부탄디올, 1,6-헥산디올, 아로마틱디아민, 폴리케프로락톤디올 및 폴리카보네이트디올로 구성된 그룹으로부터 선택된 최소 하나 이상의 성분으로 이루어진다.According to a further preferred feature of the invention, the chain extender described above consists of at least one component selected from the group consisting of 1,4-butanediol, 1,6-hexanediol, aromaticdiamine, polykeprolactonediol and polycarbonatediol .
본 발명의 더욱 바람직한 특징에 따르면, 전술한 충전제는 탄산칼슘, 철광석, 카본블랙, 실리카, 크레이 및 철광석으로 구성된 그룹으로부터 선택된 최소 하나 이상의 성분으로 이루어진다.According to a further preferred feature of the invention, the filler described above consists of at least one component selected from the group consisting of calcium carbonate, iron ore, carbon black, silica, cray and iron ore.
이하에서는 본 발명에 대하여 보다 자세히 설명한다. 본 발명은 글리콜중합체 및 디이소시아네이트로 이루어진 프리폴리머 70 내지 90 중량부, 체인 확장제 5 내지 30 중량부, 산화방지제 0.03 내지 0.06 중량부, 난연제 0.1 내지 0.5 중량부 및 자외선차단제 0.02 내지 0.1 중량부를 포함하여 이루어진 것을 특징으로 하는 전선 및 파이프 보호관을 제공하며, 경우에 따라서는 추가적으로 충전제가 10 내지 15 중량부가 첨가될 수도 있다.
산화방지제로는 퀴논류, 아민류 및 페놀류 등의 산화방지제를 사용할 수 있으며, 난연제는 할로겐화합물, 인계난연제, 삼산화안티몬, 수산화화합물, 중비금속 화합물, 탄산칼슘, 탄산마그 네슘, 클레이 및 탈크 등의 난연제를 사용할 수 있고, 자외선 자단제로는 이산화 티타늄(titanium dioxide) 및 산화아연(zinc oxide)이 사용가능하다.Hereinafter, the present invention will be described in more detail. The present invention comprises 70 to 90 parts by weight of a prepolymer consisting of a glycol polymer and a diisocyanate, 5 to 30 parts by weight of a chain extender, 0.03 to 0.06 parts by weight of antioxidant, 0.1 to 0.5 parts by weight of a flame retardant, and 0.02 to 0.1 parts by weight of a sunscreen. It provides a wire and pipe protective tube, characterized in that additionally 10 to 15 parts by weight of the filler may be added in some cases.
As antioxidants, antioxidants such as quinones, amines and phenols can be used. Flame retardants include flame retardants such as halogen compounds, phosphorus flame retardants, antimony trioxide, hydroxide compounds, heavy metal compounds, calcium carbonate, magnesium carbonate, clay and talc. In addition, UV dioxide may be used as titanium dioxide (titanium dioxide) and zinc oxide (zinc oxide).
본 발명에 나타낸 전선 및 파이프 보호관은 전선 및 파이프를 감쌀 수 있도록 소정의 길이를 갖는 관 형태를 이루며, 그 몸체는 상부와 하부로 분리 형성된 후 시 공시 체결수단에 의해 결합하도록 형성된다. 전술한 전선 및 파이프 보호관은, 상부몸체와 하부몸체의 외 측면에는 일정한 간격의 밴드시트 홈이 형성되어 있고, 상부몸체와 하부몸체의 체결을 위한 체결 홀이 일정한 간격을 두고 설치되어 있다.The wire and pipe protection tube shown in the present invention forms a tube having a predetermined length so as to wrap the wire and pipe, the body is formed to be separated by the upper and lower portions are formed to be coupled by the fastening means at the time of construction. In the above-described wire and pipe protective tube, a band sheet groove at regular intervals is formed on the outer side of the upper body and the lower body, and fastening holes for fastening the upper body and the lower body are provided at regular intervals.
상기 전선 및 파이프 보호관의 상부 몸체와 하부몸체를 이루는 성분에 역할에 대해 살펴보면 다음과 같다.Looking at the role of the components forming the upper body and the lower body of the wire and pipe protective tube as follows.
프리폴리머는 글리콜 중합체(Polymeric Glycol)와 디이소시아네이트(Diisocyanate)를 중합하여 생성되며 보호관을 이루는 주원료가 된다.The prepolymer is produced by polymerizing a glycol polymer (Polymeric Glycol) and diisocyanate and is a main raw material forming a protective tube.
체인 확장제는 1,4-부탄디올, 1,6-헥산디올, 아로마틱디아민, 폴리케프로락톤디올 및 폴리카보네이트디올 등이 사용되며 프리폴리머와 중합되어 내마모성과 탄성이 탁월한 액상 폴리우레탄이 된다.Chain extenders include 1,4-butanediol, 1,6-hexanediol, aromaticdiamine, polykeprolactonediol and polycarbonatediol, and are polymerized with a prepolymer to form a liquid polyurethane having excellent abrasion resistance and elasticity.
이러한 방법으로 제조된 폴리우레탄은, 염분을 많이 함유하고 있는 해수면에 장시간 담수 되어도 가수분해가 거의 일어나지 않고, 해수가 폴리우레탄 표면으로 침투되지 못하도록 내부에 CELL이 전혀 없는 형태로 제조된다.Polyurethane produced in this way is produced in a form that does not have any CELL inside so that the hydrolysis hardly occurs even if the sea surface containing a lot of salt for a long time fresh water, and the sea water does not penetrate the polyurethane surface.
충전제는 탄산칼슘, 철광석, 카본블랙, 실리카, 크레이 및 철광석등이 사용되며 보호관의 강도를 높여주는 역할을 한다.Fillers include calcium carbonate, iron ore, carbon black, silica, cray and iron ore, and increases the strength of the protective tube.
이러한 충전제들은 전술한 프리폴리머를 만드는 중합과정에 자외선차단제, 난연제, 산화방지제 등과 함께 첨가되어 보호관에 물성을 향상시키는 역할을 한다.These fillers are added together with a sunscreen, a flame retardant, an antioxidant, and the like in the polymerization process to make the prepolymer, thereby improving physical properties of the protective tube.
<비교예>Comparative Example
<실시예><Example>
<물성표 1><Table 1>
실시예 1에 나타낸 혼합물을 혼합하여 제조된 전선 및 파이프 보호관의 물성을 테스트하여 물성표 1에 나타낸 것과 같은 값들을 얻었다.The physical properties of the wire and pipe protective tubes prepared by mixing the mixture shown in Example 1 were tested to obtain values as shown in Table 1.
<물성표 2><Table 2 of Property>
실시예 2에 나타낸 혼합물을 혼합하여 제조된 전선 및 파이프 보호관의 물성을 테스트하여 물성표 2에 나타낸 것과 같은 값들을 얻었다.The physical properties of the wire and pipe protective tubes prepared by mixing the mixture shown in Example 2 were tested to obtain values as shown in Property Table 2.
전술한 데이터를 이용해 전선 및 파이프 보호관이 쓰이는 곳에 특성에 따라 혼합비율을 적절하게 조절하여 사용할 수 있다.The above data can be used to adjust the mixing ratio according to the characteristics where the wire and pipe sheath is used.
<가수분해 실험표><Hydrolysis Experiment Table>
전술한 가수분해 실험표는 프리폴리머(MDI), 1,4-부탄디올, 자외선차단제, 산화방지제를 사용하였다.In the above hydrolysis test table, prepolymer (MDI), 1,4-butanediol, a sunscreen agent, and an antioxidant were used.
전술한 본 발명의 일 실시예에 따른 전선 및 파이프 보호관은 글리콜 중합체(Polymeric Glycol)와 메틸렌 디페닐 디이소시아네이트(MDI : 4,4-Methylene Diphenyl Diisocyanate)를 110℃에서 중합하여 생성되는 프리폴리머 80 중량부에, 1,4-부탄디올 성분으로 이루어진 체인 확장제를 20 중량부 혼합하여 액상폴리우레탄을 제조하고 이것을 100의 주형몰드에서 RIM(REACTION INJECTION MOULDING)방식으로 케스팅 성형한 후 100에서 10분간 탈영숙성한 후 80의 온도에서 숙성시켜 제조한다.Wire and pipe protective tube according to an embodiment of the present invention described above is 80 parts by weight of a prepolymer produced by polymerizing a glycol polymer (Polymeric Glycol) and methylene diphenyl diisocyanate (MDI: 4,4-Methylene Diphenyl Diisocyanate) at 110 ℃ 20 parts by weight of a chain extender composed of 1,4-butanediol component was mixed to prepare a liquid polyurethane, cast it in a 100 mold mold by RIM (REACTION INJECTION MOULDING) method, and then de-aging at 100 to 10 minutes. Prepared by aging at a temperature of 80.
또한, 전술한 글리콜 중합체(Polymeric Glycol)와 디이소시아네이트(Diisocyanate)를 중합하는 과정에 산화방지제 0.04 중량부, 난연제 0.3 중량부 및 자외선차단제 0.02 중량부를 함께 혼합하는 과정을 포함하여 이루어진다.In addition, the polymerization process of the above-described glycol polymer (Polymeric Glycol) and diisocyanate (Diisocyanate) comprises a step of mixing together 0.04 parts by weight of antioxidant, 0.3 parts by weight of flame retardant and 0.02 parts by weight of sunscreen.
또한, 전술한 글리콜 중합체(Polymeric Glycol)와 디이소시아네이트(Diisocyanate)를 중합하는 과정에 충격강도를 높이기 위해 탄산칼슘으로 이루어진 충전제를 혼합하여 이루어질 수도 있다.In addition, the filler may be made of calcium carbonate to increase the impact strength in the process of polymerizing the above-described glycol polymer (Polymeric Glycol) and diisocyanate (Diisocyanate).
본 발명에 따른 케이블 및 파이프 보호관은 우수한 내 가수분해성을 나타내어 장시간 해수에 노출되어도 물성을 유지할 수 있어 장기간 설치할 수 있는 효과 를 나타낸다.The cable and pipe protection tube according to the present invention exhibits excellent hydrolysis resistance, so that physical properties can be maintained even when exposed to seawater for a long time, and thus an effect of being installed for a long time can be obtained.
또한, 충전제가 첨가되어 내마모성과 강도가 향상되어 쉽게 마모되지 않고 외부의 충격으로부터 잘 견디는 효과를 나타낸다.In addition, the filler is added to improve wear resistance and strength, and thus it is not easily worn and has an effect of withstanding external shocks well.
또한, 체인 확장제가 첨가되면 연성이나 강성이 향상되어 인장력 등으로 인한 외력에 쉽게 변형되지 않는 효과를 나타낸다.In addition, when the chain extender is added, ductility or rigidity is improved, and thus the effect of not being easily deformed by external force due to tensile force or the like is exhibited.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020070065889A KR100887890B1 (en) | 2007-06-30 | 2007-06-30 | Protecting tube for cable and pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020070065889A KR100887890B1 (en) | 2007-06-30 | 2007-06-30 | Protecting tube for cable and pipe |
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| Publication Number | Publication Date |
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| KR20090002513A KR20090002513A (en) | 2009-01-09 |
| KR100887890B1 true KR100887890B1 (en) | 2009-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101736368B1 (en) | 2017-02-24 | 2017-05-16 | (주)세광 | manufacturing method of polyurethane elastic resin and manufacturing method of sheet for pipe protection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980042906A (en) * | 1996-11-29 | 1998-08-17 | 씨.그레고이레 | Cold shrinkable protection element for cable joint |
| JP2003157737A (en) | 2001-11-20 | 2003-05-30 | Sumitomo Wiring Syst Ltd | Wire harness protection material and wire harness using the same |
| KR200428633Y1 (en) | 2006-07-27 | 2006-10-16 | 신승호 | Protector to protect cables or pipes |
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- 2007-06-30 KR KR1020070065889A patent/KR100887890B1/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980042906A (en) * | 1996-11-29 | 1998-08-17 | 씨.그레고이레 | Cold shrinkable protection element for cable joint |
| JP2003157737A (en) | 2001-11-20 | 2003-05-30 | Sumitomo Wiring Syst Ltd | Wire harness protection material and wire harness using the same |
| KR200428633Y1 (en) | 2006-07-27 | 2006-10-16 | 신승호 | Protector to protect cables or pipes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101736368B1 (en) | 2017-02-24 | 2017-05-16 | (주)세광 | manufacturing method of polyurethane elastic resin and manufacturing method of sheet for pipe protection |
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