KR20030071206A - Coloring and membrane same time achievement possibility multifunction phosphate membrane processing method - Google Patents

Coloring and membrane same time achievement possibility multifunction phosphate membrane processing method Download PDF

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KR20030071206A
KR20030071206A KR1020020010794A KR20020010794A KR20030071206A KR 20030071206 A KR20030071206 A KR 20030071206A KR 1020020010794 A KR1020020010794 A KR 1020020010794A KR 20020010794 A KR20020010794 A KR 20020010794A KR 20030071206 A KR20030071206 A KR 20030071206A
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film
phosphate
coloring
treated
metallic object
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KR1020020010794A
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Korean (ko)
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고우열
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고우열
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2601/00—Inorganic fillers
    • B05D2601/02—Inorganic fillers used for pigmentation effect, e.g. metallic effect

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

PURPOSE: A multifunctional phosphate film treating method capable of performing coloring and film coating at the same time is provided to create more various colors on the surface of metal by batch-process coloring along with film treatment during phosphate film treatment. CONSTITUTION: The multifunctional phosphate film treating method capable of performing coloring and film coating at the same time comprises the processes of preparing a dual treatment solution capable of performing phosphate film treatment and coloring by mixing chemical inorganic pigment prepared using metallic compounds as raw materials with an ordinarily used phosphate (mP2O5·nH2O) in an appropriate mixing ratio; and batch-process coloring and film treatment by dipping a metallic object to be treated into the prepared dual treatment solution, wherein a film having a certain thickness is formed on the metallic object to be treated by dipping the metallic object to be treated into the dual treatment solution so that oxide film formed on the surface of the metallic object to be treated is primarily dissolved and removed by phosphate, wherein the film is formed on the surface of the metallic object to be treated by chemical reaction of pigment constituents having metallic compounds as raw materials contained in the dual treatment solution in the process of forming the film, and wherein coloring function is also obtained when the film is formed by using pigment formed of metallic compounds instead of the film forming agents compared to an existing phosphate film treating method of forming a film on the surface of the metallic object to be treated by removing metal oxide using phosphate and chemically reacting film forming agents such as manganese, zinc and iron.

Description

착색과 피막을 동시 수행가능 한 다기능 인산염피막처리방법{Coloring and membrane same time achievement possibility multifunction phosphate membrane processing method}Coloring and membrane same time achievement possibility multifunction phosphate membrane processing method

본 발명은 착색과 피막을 동시 수행가능 한 다기능 인산염피막처리방법에 관한 것으로서, 더욱 상세히는 각종 철강, 알루미늄, 아연, 카드뮴등의 금속표면에 화학적 변화를 일으켜 인산금속염의 무기결정체나 무정형의 피막을 형성시켜 금속표면부식을 방지한다거나, 방청효과 및 도장(도색)의 전처리공정 등으로 널리 사용 되고 있는 인산염피막처리시 피막처리와 함께 착색까지 일괄 수행할 수 있도록 하여 그 금속의 표면에 보다 다양한 색상까지 연출할 수 있는 인산염 피막 및 착색 처리액 제조방법에 관한 것이다.The present invention relates to a multifunctional phosphate coating method capable of simultaneously performing coloring and coating. More particularly, the present invention provides chemical changes to metal surfaces such as various steels, aluminum, zinc, and cadmium to form inorganic crystals or amorphous coatings of metal phosphates. Phosphate coating, which is widely used for anti-corrosion effect and pre-treatment process of painting (painting), to be able to carry out coating treatment and coloring together to make various colors on the surface of the metal. The present invention relates to a phosphate coating and a color treatment liquid production method that can be produced.

통상적으로 인산염피막은 각종 파이프, STEEL 및 자동차부품, 병기 부품, 공구, 냉온방기, 고압재생기, 냉동기, 부품 등 각종 철재류 등의 금속표면에 도료의 바인더 및 흡착을 위한 전처리, 그리고 도장이 부식되었을 때 금속표면의 방청을 위해 철강상 혹은 아연 때로는 알루미늄 소재상에 처리하는 것이다.In general, phosphate coatings are pretreated for binders and adsorption of paints on metal surfaces such as various pipes, steel and automobile parts, weapon parts, tools, air conditioners, high pressure regenerators, freezers and parts, and when the coating is corroded. It is treated on steel or zinc, sometimes aluminum, for rust protection of metal surfaces.

그러나 이와 같은 인산염피막을 금속의 표면에 처리할 경우는 그 염의 종류(아연, 망간, 철 등)에 따라서 약간의 차이는 있으나 주로 청색, 청자색, 진회색, 흑색 등과 같이 단조로운 색으로 나타날 뿐 아니라 그 나타나는 색이 결정성의 외관이 아니기 때문에 동전 등으로 표면을 긁으면 흰색이 드러나는 등 불완전 색상이다.However, when the phosphate coating is treated on the surface of the metal, there is a slight difference depending on the type of salt (zinc, manganese, iron, etc.), but it is not only monotonous color such as blue, blue purple, dark gray, black, etc. Since the color is not a crystalline appearance, it is an incomplete color, such as white when a surface is scratched with a coin.

이와 같이 금속의 표면상태가 인산염피막을 하게되면 불완전 색상이 되기는 하지만 제품의 용도와 가치 등에 따라서 피막된 상태 그대로 사용하는 경우도 있고, 그 피막 층위에 이중으로 도료를 덧칠(도장처리)하여 다양한 색상을 구현하기도 하는데, 이는 제품의 외관을 미려하게 하여 상품의 가치를 높이는데 큰 역할을 하는 것으로서 각종 금속제품에 널리 사용되고 있다.In this way, when the surface state of the metal is phosphate coating, the color becomes incomplete color, but it may be used as it is depending on the purpose and value of the product.In addition, various colors are applied by coating the coating layer on the coating layer twice. It also implements, which plays a big role in enhancing the value of the product by beautifully appearance of the product is widely used in various metal products.

즉, 금속표면에 도장처리하기 위해서는 도장 전처리공정으로 상기 인산염피막처리를 거친 후 그 위에 도장처리하여 일정두께의 도막층을 형성시키는 등 2중의 공정을 수행해야 됨에 따라서 많은 공정이 요구됨은 물론 많은 시설 및 작업시간, 경제적 소실을 초래할 수 밖에 없다,That is, in order to coat the metal surface, the phosphate coating treatment is performed as a pre-painting process, and then the coating process is performed on the metal surface to form a coating layer having a predetermined thickness. Therefore, many processes are required as well as many facilities. And inevitably lead to economic loss,

이에 본 발명에서는 상기와 같은 종래의 인산염피막 및 도장이 가지는 문제점을 일소하기 위하여 창안한 것으로서, 금속의 표면에 인산염피막처리와 그 피막처리된 표면에 다시 도장처리까지 실시하여야하는 경우 하나의 공정만으로도 피막처리와 더불어 원하는 색상으로 착색까지 일괄 수행될 수 있도록 하여 처리대상금속의 상품성과 가치를 최대한 높이고자하는데 주안점을 두고 그 기술적 과제로서완성한 것이다.Therefore, the present invention was devised to eliminate the problems of the conventional phosphate coating and coating as described above, and if only one process is required to perform the phosphate coating treatment on the surface of the metal and the coating treatment again on the coated surface thereof, In addition to the film treatment, it is completed as a technical task with a focus on enhancing the merchandise and value of the metal to be treated by allowing the color to be colored in a desired color.

본 발명은 인산염에 안료를 일정비율 배합하여 피막처리와 동시에 원하는 색상으로 착색까지 한번에 처리하고자 하는 것으로서, 이하 구체적으로 설명하면 하기와 같다.The present invention is to mix the pigment to a phosphate in a certain ratio to simultaneously process the coating and coating in a desired color at once, as described below in detail.

즉, 통상적으로 사용되는 인산염(mP2O5·nH2O)에 금속화합물을 원료로 하여 만든 화학적 무기질 안료를 각 적정비율로 혼합하여 인산염피막처리 및 도색처리를 함께 수행살 수 있는 이중 처리액을 제조한 다음 그 제조된 이중처리액에 처리대상 금속을 침전시켜 일관 수행할 수 있도록 한다.That is, a dual treatment solution capable of performing both phosphate coating and painting treatment by mixing chemical inorganic pigments made of metal compounds as raw materials at a proper ratio with phosphate (mP 2 O 5 · nH 2 O) commonly used. After the preparation of the metal to be treated in the prepared double treatment solution to be carried out consistently.

즉, 상기 이중처리액은 주지된 바와 같이 인산염과 더불어 다양한 색상을 연출할 수 있는 안료가 포함되어 있음으로 여기에 처리대상금속을 침전시키면, 상기 인산염에 의하여 1차적으로 처리대상금속의 표면에 존재하는 산화막을 녹여 제거한 다음 일정두께의 피막이 형성되는데, 이때 상기 피막이 형성되는 과정에서 이중처리액에 포함된 금속화합물을 원료로 하는 안료성분이 화학반응을 일으켜 금속표면에 피막으로 형성된다.That is, the double treatment solution contains a pigment capable of producing various colors as well as phosphate, and when the metal to be treated is precipitated therein, the phosphate is primarily present on the surface of the metal to be treated by the phosphate. After the oxide film is dissolved and removed, a film having a predetermined thickness is formed. In this process, the pigment component, which is a metal compound included in the double treatment solution, is chemically reacted to form a film on the metal surface.

즉, 종래의 인산염피막은 인산염에 의하여 금속의 산화막을 제거하고 피막형성제(망간, 아연, 철 등)가 화학반응을 일으켜 금속의 표면에 피막을 형성하는 것인데 반하여 본원에서는 그 피막형성제 대신 금속화합물로 된 안료를 사용함으로서피막이 형성될 때 착색 기능까지 득할 수 있는 것이다.In other words, the conventional phosphate coating is to remove the oxide film of the metal by the phosphate and the film forming agent (manganese, zinc, iron, etc.) to form a coating on the surface of the metal by chemical reaction, whereas in the present application instead of the film forming agent By using the pigment of the compound, the coloring function can be obtained when the film is formed.

뿐만 아니라 상기한 안료는 내광성(耐光性) ·내열성(耐熱性) 등의 성질이 있어 종래와 같이 피막 후 별도의 도장공정을 거처 도막을 형성시킨 것 이상의 효과를 얻을 수 있어 외관의 색상을 표시하는 결정색으로서의 역할을 충실하게 수행할 수 있는 것이다.In addition, the above-mentioned pigments have properties such as light resistance and heat resistance, and as a result, it is possible to obtain an effect more than forming a coating film through a separate coating process after coating as in the prior art. It can play a role as a crystal color faithfully.

그리고 그 안료의 참가비는 처리대상물의 종류와 용도 및 처리코자하는 도막두께 등을 고려하여 적정비율로 선택하면 될 것이다.In addition, the participation ratio of the pigment may be selected at an appropriate ratio in consideration of the type and use of the object to be treated and the thickness of the coating film to be treated.

이와 같이 인산염에 안료를 첨가하여 제조된 이중처리액을 이용하여 처리대상금속을 침전시키면, 피막처리 시간 동안 피막처리와 더불어 착색처리까지 동시에 실시 가능함으로 처리시간은 물론 월등한 생산성 향상을 기대할 수 있는 것이다.As such, if the metal to be treated is precipitated using a dual treatment solution prepared by adding a pigment to the phosphate, it is possible to simultaneously perform the coating treatment and the coloring treatment during the coating treatment time, so that the treatment time as well as the excellent productivity can be expected. will be.

이상에서 상세히 설명된 것과 같은 구성과 작용을 갖는 본 발명의 착색과 피막을 동시에 수행가능 한 다기능 인산염피막처리방법은 처리대상금속의 표면에 피막처리가 필요하고, 또 다양한 색상까지 더불어 요구되는 경우에 한번의 공정만으로 필요한 2가지를 동시에 수행할 수 있어 보다 적은 시간과 경제적 부담으로 보다 많은 량을 처리할 수 있는 등 공간및 장치의 절감 신속한 결과를 그 기대되는 바가 다대한 발명이다.Multifunctional phosphate coating method capable of simultaneously performing the coloring and coating of the present invention having the same structure and operation as described in detail above requires a coating treatment on the surface of the metal to be treated, and also requires a variety of colors. It is a great invention that the saving of space and equipment can be performed quickly, because two processes can be performed simultaneously in a single process, so that a larger amount can be processed with less time and economic burden.

Claims (1)

인산염(mP2O5·nH2O)에 금속화합물을 원료로 하여 만든 화학적 무기질 안료를 각 적정비율로 혼합하여 제조된 이중처리액을 이용하여 피막처리하는 것을 특징으로 하는 착색과 피막을 동시 수행 가능한 다기능 인산염피막처리방법.Simultaneous coloring and coating are performed by using a dual treatment solution prepared by mixing chemical inorganic pigments made of phosphate (mP 2 O 5 · nH 2 O) as a raw material at a proper ratio. Possible multifunctional phosphate coating methods.
KR1020020010794A 2002-02-28 2002-02-28 Coloring and membrane same time achievement possibility multifunction phosphate membrane processing method KR20030071206A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08218158A (en) * 1995-02-14 1996-08-27 Nippon Steel Corp Posttreatment of hot dip galvanized or hot dip galvannealed steel plate
JPH11350159A (en) * 1998-06-05 1999-12-21 Kobe Steel Ltd Zinc phosphate-treated steel sheet excellent in peeling resistance and color tone
JP2000319788A (en) * 1999-05-07 2000-11-21 Nippon Denro Kk Coloring method for hot dip galvanized steel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08218158A (en) * 1995-02-14 1996-08-27 Nippon Steel Corp Posttreatment of hot dip galvanized or hot dip galvannealed steel plate
JPH11350159A (en) * 1998-06-05 1999-12-21 Kobe Steel Ltd Zinc phosphate-treated steel sheet excellent in peeling resistance and color tone
JP2000319788A (en) * 1999-05-07 2000-11-21 Nippon Denro Kk Coloring method for hot dip galvanized steel

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