KR890005175B1 - Surface treating method for a metal - Google Patents

Surface treating method for a metal Download PDF

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Publication number
KR890005175B1
KR890005175B1 KR1019860002601A KR860002601A KR890005175B1 KR 890005175 B1 KR890005175 B1 KR 890005175B1 KR 1019860002601 A KR1019860002601 A KR 1019860002601A KR 860002601 A KR860002601 A KR 860002601A KR 890005175 B1 KR890005175 B1 KR 890005175B1
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South Korea
Prior art keywords
metal
surface treatment
surface treating
treating method
cement
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KR1019860002601A
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Korean (ko)
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KR870010353A (en
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김용한
김영철
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김용한
김영철
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Priority to KR1019860002601A priority Critical patent/KR890005175B1/en
Publication of KR870010353A publication Critical patent/KR870010353A/en
Application granted granted Critical
Publication of KR890005175B1 publication Critical patent/KR890005175B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10Oxides, borides, carbides, nitrides or silicides; Mixtures thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

내용 없음.No content.

Description

금속표면 처리방법Metal Surface Treatment

본 발명은 상온에서 사용되는 송수관 및 송수관용 밸브등에 처리하여 녹이스는 것을 방지케한 금속표면 처리방법에 관한 것으로, 종래에는 대부분 일반적인 도료를 송수관 및 송수관용 밸브등의 내부에 도포시켜 녹이스는 것을 방지해 왔으나 이는 적착강도가 약하여 수압에 견디지 못하고 마모되거나 떨어져 나가기 때문에 밸브내부에 녹이스는 경우가 많은 문제점이 있었고 주철관이나 이를 부속품에 시멘트를 도포시켜 사용하는 것은 접착력이 약하고 충격강도가 취약하기 때문에 충격을 받은 경우에 균열이 생기어 시멘트층이 떨어져 나가거나 균열이 생긴 틈새로 물이 스며들어 산화부식되는 문제점이 있었다.The present invention relates to a metal surface treatment method that prevents melting by treating the water pipes and the valves for water pipes used at room temperature, and conventionally prevents the most common paint applied to the inside of the water pipes and water pipe valves, etc. However, this is because the adhesive strength is weak, so it can not withstand the water pressure and wears or falls off, so there are many problems of melting inside the valve, and the application of cement to the cast iron pipe or its accessories is weak because of its weak adhesive strength and weak impact strength. When received, there was a problem that the cracks are generated and the cement layer is separated or oxidized and corroded due to water seeps into the cracks.

본 발명은 이와같은 문제점을 감안하여 애폭시수지, 경화제, 톨루엔, 시멘트를 적정비율로 혼합하여 송수관 및 밸브등의 내부에 분사도포시켜 적정온도의 건조실에서 일정시간 가열한 후 상온에서 냉각시키면 접착강도가 높고 경질이면서도 균열이 가지않는 표면처리를 할 수 있게 한 것이다.In view of the above problems, the present invention mixes an epoxy resin, a curing agent, toluene, and cement at an appropriate ratio and sprays the inside of a water pipe and a valve, and then heats it in a drying room at an appropriate temperature for a certain time, and then cools it at room temperature. Is a high, hard, and crack-free surface treatment.

본 발명은 좀더 구체적으로 설망하는바, %는 중량%를 의미한다. 에폭시수지 27%, 경화제27%, 시멘트40%, 톨루엔 6%를 균일하게 혼합하여 액상상태로된 것을 2일 내지 3일간 경과시키면 합성중에 입자가 큰것은 가라않고 미랍자만이 톨루엔과 결합되어 액체상태로 유지하고 있으므로 이를 송수관 및 송수관용 밸브등의 내부에 0.3mm - 0.5mm두께로 분사도포시킨후 건조실에 넣어 110℃-120℃의 열풍으로 5분 -6분간 가열한후 상온에서 냉각시키면 접착이 양호한 동시에 기포가 생기지않아 광택이 나는 표면처리가 되는데 이때 밸브의 크기가 두께에 따라 표면처리 두께가 달라지므로 건조실에서 열풍으로 건조시키는 시간을 달리 조정할 수 있다.The present invention more specifically,% means% by weight. Epoxy resin 27%, curing agent 27%, cement 40%, toluene 6% uniformly mixed in the liquid state after 2 to 3 days, the particles are not large during synthesis, only the labia is combined with toluene in the liquid state Since it is sprayed with 0.3mm-0.5mm thickness inside the water pipe and the valve for water pipe, it is put in the drying room and heated in 110 ℃ -120 ℃ hot air for 5 minutes-6 minutes and then cooled at room temperature. At the same time, there is no bubble and the surface is polished. At this time, the size of the valve varies depending on the thickness, so the drying time in the drying chamber can be adjusted differently.

이와같이 된 본 발명은 에폭시수지 27%와 경화제 27%를 혼합한 다음 시멘트 40%를 넣어 혼합시키면 점도가 높은 제리현상의 점액을 얻을 수 있다.According to the present invention, 27% of the epoxy resin and 27% of the curing agent are mixed, and then 40% of the cement is mixed to obtain a slime having high viscosity.

이와같이된 것을 금속표면에 일정두께로 발라서 전술한 방법으로 건조시키면 표면처리가 되나 이는 굴곡이 심한 밸브의 내부와 같은 곳에 발라 표면층을 형성할 수 없을뿐아니라 생산성이 거의 없는 것이다.If this is applied to the metal surface with a certain thickness and dried in the above-described method, the surface is treated. However, it is not possible to form the surface layer on the same place as the inside of the bent valve and to produce little productivity.

따라서 위와같이 혼합된 것에 톨루엔 6%를 혼합시키면 점도가 묽은 액상이 되므로 이를 고압분무기로 분사시켜 표면처리할 수 있게 한 것이다.Therefore, if 6% of toluene is mixed in the mixture as described above, the viscosity becomes a thin liquid, so that it can be sprayed with a high-pressure sprayer to surface treatment.

위에서와 같이 금속의 표면을 처리하게되면 접착력이 양호하여 표면처리층이 떨어지는 일이 없을 뿐아니라 강도가 높아 마모되는 일이 없고 충격에도 균열이 가지않아 장시간 사용하여도 송수관이나 송수관용 밸브가 녹이스는 일이 거의 없어 송수관이나 송수밸브등의 내부표면처리에 적합한 효과가 있는 것이다.When the surface of the metal is treated as above, the adhesion is good, so that the surface treatment layer does not fall, and the strength is high, there is no abrasion, and there is no crack in the impact. Since there is little work, it is effective for the internal surface treatment of water pipes and water valves.

Claims (1)

에폭시수지 27%, 경화제 27%, 시멘트 40%, 톨루엔 6%를 균일하게 혼합하여 액상상태로된 것을 송수관 및 송수관용 밸브등의 내부에 0.3mm - 0.5mm두께로 분사도포시킨 것을 건조실에 넣어 110℃ - 120℃의 열풍으로 5분 -6분간 가열한후 상온에서 냉각시켜서된 금속표면 처리방법.A mixture of 27% epoxy resin, 27% hardener, 40% cement, and 6% toluene was uniformly mixed and sprayed with 0.3mm-0.5mm thickness into the drying chamber. A metal surface treatment method by heating at a room temperature for 5 minutes-6 minutes with hot air at -120 ° C.
KR1019860002601A 1986-04-07 1986-04-07 Surface treating method for a metal KR890005175B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860002601A KR890005175B1 (en) 1986-04-07 1986-04-07 Surface treating method for a metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860002601A KR890005175B1 (en) 1986-04-07 1986-04-07 Surface treating method for a metal

Publications (2)

Publication Number Publication Date
KR870010353A KR870010353A (en) 1987-11-30
KR890005175B1 true KR890005175B1 (en) 1989-12-16

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KR1019860002601A KR890005175B1 (en) 1986-04-07 1986-04-07 Surface treating method for a metal

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