KR20020088029A - Heat exchanger having hydrophilic, deodorization and antibacterial coating, and method for fabricating coating of heat exchanger - Google Patents
Heat exchanger having hydrophilic, deodorization and antibacterial coating, and method for fabricating coating of heat exchanger Download PDFInfo
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- KR20020088029A KR20020088029A KR1020010026729A KR20010026729A KR20020088029A KR 20020088029 A KR20020088029 A KR 20020088029A KR 1020010026729 A KR1020010026729 A KR 1020010026729A KR 20010026729 A KR20010026729 A KR 20010026729A KR 20020088029 A KR20020088029 A KR 20020088029A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- 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
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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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
Abstract
Description
본 발명은 공조장치용 열교환기에 관한 것이며, 보다 구체적으로는 친수, 탈취 및 항균성이 우수한 조성물로 이루어지는 피막을 가지는 열교환기 및 이 열교환기의 피막 형성방법에 관한 것이다.The present invention relates to a heat exchanger for an air conditioner, and more particularly, to a heat exchanger having a film made of a composition excellent in hydrophilicity, deodorization and antibacterial properties, and a method for forming a film of the heat exchanger.
열교환기는 2종류의 유체 사이에서 열을 이동시켜 필요한 성능을 얻는 장치이다. 따라서, 열교환기의 작동시 양측 유체의 온도 차이에 의해 표면에는 필연적으로 응축수가 생성되어 맺히게 된다. 이 응축수는 열교환기의 열교환을 방해하여 성능 저하를 유발시키므로 신속하게 배출시킬 필요가 있다. 이를 위하여 일반적인 공조장치의 열교환기(증발기를 말함)는 그 표면에 응축수의 흐름을 원활히 하기 위한 친수성 피막을 형성하여 사용하고 있다.A heat exchanger is a device that transfers heat between two fluids to obtain the required performance. Therefore, during operation of the heat exchanger, condensed water is inevitably formed on the surface due to the temperature difference between the two fluids. This condensate needs to be discharged quickly because it hinders the heat exchange of the heat exchanger and causes a decrease in performance. To this end, a heat exchanger (called an evaporator) of a general air conditioner is used by forming a hydrophilic film to smooth the flow of condensate on its surface.
또한, 공조장치의 열교환기에는 외부 또는 내부로부터 곰팡이, 세균 등의 미생물을 포함하는 많은 이물질들이 유입되는데, 이로 인해 열교환기에서 발생한 응축수와 함께 이물질이 부패하여 악취가 발생하게 된다.In addition, many foreign substances including microorganisms, such as mold and bacteria, are introduced into the heat exchanger of the air conditioner, which causes debris to decay together with the condensate generated in the heat exchanger.
최근 쾌적성에 대한 열망이 높아지면서 이러한 열교환기로부터 발생되는 악취를 감소시킬 수 있는 피막 처리가 절실히 요구되고 있다. 상기와 같은 피막 처리의 한 예로서, 실리카 입자, 규산염 등의 무기화합물 및 유기고분자 화합물을 단독으로 도포하거나, 또는 무기화합물과 유기화합물의 혼합화합물을 도포하는 방법이 있다. 그러나, 상기와 같은 피막 처리방법은 응축수가 원활히 배출되도록 하는 친수성에서는 효과를 발휘하나 악취를 제거하지는 못하고 있다.Recently, as the desire for comfort increases, a coating treatment that can reduce the odor generated from such a heat exchanger is urgently required. As an example of the above coating treatment, there is a method in which inorganic compounds such as silica particles and silicates and organic polymer compounds are applied alone, or a mixed compound of an inorganic compound and an organic compound is applied. However, the film treatment method as described above is effective in hydrophilicity to allow the condensed water to be discharged smoothly, but does not remove odors.
악취 제거를 위한 방법으로, 열교환기의 표면에 활성탄 등을 이용한 흡착필터를 설치하는 예가 있으나, 활성탄은 흡착용량을 초과할 경우 오히려 냄새를 방출하게 되므로 자주 교환해 주어야 한다고 하는 문제가 있으며, 또한, 활성탄 필터를 사용하더라도 열교환기에는 계속적으로 응축수가 발생되기 때문에, 냄새를 근원적으로 제거할 수 없다.As a method for removing odor, there is an example of installing an adsorption filter using activated carbon on the surface of a heat exchanger, but activated carbon emits an odor when the adsorption capacity is exceeded. Even if an activated carbon filter is used, condensate is continuously generated in the heat exchanger, and thus odor cannot be removed.
다른 방안으로, 일본 특개평 8-296992 호에는 열교환기의 알루미늄핀 표면에 상온산화촉매와 흡착제를 도포하여 친수성 및 탈취성을 부여하는 기술이 개시되어 있다. 그러나, 이 방법은 상온산화촉매로서 아나타제 산화티탄을 사용하기 때문에, 자외선을 필수적으로 사용하여야만 목적하는 탈취 효과를 얻을 수 있다. 따라서, 자외선이 투과될 수 없는 위치에 배치되는 자동차 공조장치의 열교환기에 적용하기 위해서는 자외선방사램프 등을 구비하여야 하기 때문에, 비용 상승의 요인으로 작용하게 된다. 또한 상기 자외선방사램프는 수명에 한계가 있어 교환하여야 하며,특히 교환시 공조장치를 분해하여야만 교환할 수 있는 등의 문제가 있어 실용화에는 어려움이 있다.Alternatively, Japanese Patent Application Laid-open No. Hei 8-296992 discloses a technique of applying a normal temperature oxidation catalyst and an adsorbent to the surface of an aluminum fin of a heat exchanger to impart hydrophilicity and deodorization. However, since this method uses anatase titanium oxide as the normal temperature oxidation catalyst, it is only necessary to use ultraviolet rays to obtain the desired deodorizing effect. Therefore, in order to apply to the heat exchanger of the vehicle air conditioner disposed at a position where ultraviolet light cannot be transmitted, an ultraviolet radiation lamp or the like must be provided, which causes a cost increase. In addition, the ultraviolet radiation lamp has a limited lifespan and must be replaced. In particular, the ultraviolet radiation lamp has a problem such that it can be replaced only by disassembling the air conditioning device.
또한, 한국 특허 공개 2000-24512 호에는 금속기재의 표면에 친수화 처리를 하고, 상기 친수화 처리된 금속기재의 표면에 광촉매를 부착하여 탈취성을 부여하는 기술이 개시되어 있다. 그러나, 이 경우에 있어서도 티탄알콕시드를 주체로한 광촉매를 사용하기 때문에, 광촉매 활성용 램프를 도입하여야 하므로, 상술한 바와 같은 문제를 여전히 앉고 있다.In addition, Korean Patent Laid-Open Publication No. 2000-24512 discloses a technique of hydrophilizing the surface of a metal substrate and attaching a photocatalyst to the surface of the hydrophilized metal substrate to impart deodorization. However, also in this case, since a photocatalyst mainly composed of titanium alkoxide is used, a lamp for photocatalytic activity must be introduced, and thus the problem as described above still remains.
또한, 일본 특개평 11-294993 호에는 상술한 특허들과 유사하게 열교환기의 핀에 광촉매를 함유한 피막을 형성함으로써 탈취 효과를 얻는 기술이 개시되어 있으나, 이 역시 이산화티타늄의 광촉매를 사용하기 때문에, 자외선램프를 필요로 하므로, 비용적인 측면에서 문제가 있다.In addition, Japanese Patent Laid-Open No. 11-294993 discloses a technique for obtaining a deodorizing effect by forming a film containing a photocatalyst on a fin of a heat exchanger, similarly to the above-mentioned patents, but this also uses a photocatalyst of titanium dioxide. Because of the need for ultraviolet lamps, there is a problem in terms of cost.
한편, 한국 특허등록 10-195935 호에는 공조장치의 집진 및 탈취장치에 대한 제안으로서, 공기청정기의 포집대응극에 형성된 알루미늄 박판과 수지코팅 표면에 산화티타늄 또는 촉매제를 박막 코팅하고, 전리부에 인가되는 전압을 고주파 펄스 고전압 또는 직류와 고주파 펄스가 혼합된 고전압을 인가하여 자외선 파장대의 광에너지에 의해 발생되는 광촉매탈취효과를 저온 플라즈마 탈취효과와 복합시켜 탈취효과를 얻는 기술이 개시되어 있다. 그러나, 이 기술은 자외선방사램프를 사용하지는 않으나, 고전압을 발생시키기 위한 장치를 필요로 하므로, 이 또한 비용적인 측면에서 문제가 있다.On the other hand, Korean Patent Registration No. 10-195935 proposes a dust collecting and deodorizing device of an air conditioner, and a thin film of titanium oxide or a catalyst is coated on an aluminum thin plate and a resin coating surface formed on a collecting counter electrode of an air cleaner, and applied to an ionizing part. A technique for obtaining a deodorizing effect by applying a high voltage pulse high voltage or a high voltage mixed with a direct current and a high frequency pulse to combine the photocatalyst deodorizing effect generated by the light energy in the ultraviolet wavelength band with the low temperature plasma deodorizing effect is disclosed. However, this technique does not use ultraviolet radiation lamps, but requires a device for generating a high voltage, which is also problematic in terms of cost.
본 발명은 상기와 같은 종래의 여러 열교환기가 가지는 문제를 감안하여 안출한 것으로, 별도의 자외선 파장대의 광에너지 없이도 친수, 탈취 및 항균 성능을 발휘하는 피막을 가짐으로써 열교환기의 성능 향상은 물론 악취 발생을 근본적으로 방지할 수 있어, 보다 쾌적한 공조 환경을 조성할 수 있는 열교환기를 제공하는데 그 목적이 있다.The present invention has been made in view of the problems of various conventional heat exchangers as described above, and has a film that exhibits hydrophilicity, deodorization, and antibacterial performance without light energy in a separate ultraviolet wavelength band, thereby improving performance of the heat exchanger as well as generating odors. It is an object of the present invention to provide a heat exchanger that can fundamentally prevent the air conditioner, thereby creating a more comfortable air-conditioning environment.
본 발명의 다른 목적은, 상기와 같은 특징을 가지는 피막을 열교환기의 표면에 효과적으로 형성시킬 수 있는 열교환기의 피막 형성방법을 제공하는데 있다.Another object of the present invention is to provide a film forming method of a heat exchanger that can effectively form a film having the above characteristics on the surface of the heat exchanger.
도 1은 자동차 공조장치용 열교환기의 한 예를 나타낸 사시도이다.1 is a perspective view showing an example of a heat exchanger for a vehicle air conditioner.
상기와 같은 목적을 달성하기 위한 본 발명에 의한 열교환기는, 그 표면에 친수, 탈취 및 항균성을 부여하기 위한 피막이 코팅 처리됨을 특징으로 한다.The heat exchanger according to the present invention for achieving the above object is characterized in that the coating for imparting hydrophilicity, deodorization and antibacterial to the surface is coated.
피막은, 티타늄 이소프로옥사이드(Titanium isopropoxide)[Ti(OCH(CH3)2)4]와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화티타늄(TiO2) 0.57mol/ℓ, 테트라에칠 오소실리케이트 테트라옥시실랜(Tetraethyl orthosilicate tetraethoxysilane)(C8H20O4Si)와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화실리콘(SiO2) 0.44mol/ℓ, 아연 아세테이트(Zn acetate)[Zn(C2H3O2)2]로부터 제조한 산화아연(ZnO) 0.5mol/ℓ, 그리고, 실버(Silver)를, 중량대비 TiO250%, SiO240%, ZnO 9%, Silver 1%의 비율로 복합처리한 수용액 또는 분말 상태의 광반도성복합세라믹스를 함유한 조성물로 이루어진다.Coating, titanium isopropoxide oxide (Titanium isopropoxide) [Ti (OCH (CH 3) 2) 4] , and isopropyl alcohol (Isopropyl alcohol) [(CH 3 ) 2 CHOH] a titanium dioxide prepared in (TiO 2) 0.57mol / l, silicon dioxide (SiO 2 ) made from tetraethyl orthosilicate tetraethoxysilane (C 8 H 20 O 4 Si) and isopropyl alcohol [(CH 3 ) 2 CHOH] 0.44 mol / l, zinc oxide (ZnO) 0.5 mol / l prepared from zinc acetate (Zn acetate) [Zn (C 2 H 3 O 2 ) 2 ], and silver (Silver), TiO 2 by weight 50% , 40% of SiO 2 , 9% of ZnO, and 1% of silver, and a composition containing an aqueous solution or powder-based optical semiconducting ceramics.
한편, 본 발명의 다른 목적을 달성하기 위한 열교환기의 상기와 같은 친수, 탈취 및 항균성 피막 형성방법은, 상기와 같은 조성을 가지는 광반도성복합세라믹스를 함유한 조성물을 친수성 코팅액과 혼합한 후, 이 조성액을 열교환기의 표면에 도포하고, 300℃ 이하의 온도에서 건조하는 과정으로 이루어진다.On the other hand, the above-described method of forming a hydrophilic, deodorizing and antimicrobial coating of a heat exchanger for achieving another object of the present invention, after mixing a composition containing an optical semiconductive composite ceramic having the composition as described above with a hydrophilic coating solution, The composition is applied to the surface of the heat exchanger and dried at a temperature of 300 ° C. or less.
이하, 본 발명을 구체적으로 설명한다.Hereinafter, the present invention will be described in detail.
먼저, 도 1를 참조하여 차동차의 공조장치에 사용되는 열교환기에 대하여 간단하게 살펴본다.First, a brief description will be given of a heat exchanger used in an air conditioner of a differential vehicle with reference to FIG. 1.
도 1에서 보는 바와 같이, 열교환기는 소정의 유로를 가지는 다수의 플랫튜브(1)가 적층되어 이루어진다. 이 플랫튜브(1)들의 사이에는 방열핀(2)이 개재되어 있으며, 양측에는 서포트 플레이트(3)(3')가 결합되어 있다. 또한, 열교환기는 냉매유입관 및 냉매유출관과 각각 연결되는 매니폴드(4)(4')를 가지고 있다. 냉매는 냉매유입관측 매니폴드(4)를 통하여 열교환기몸체 내로 유입되며, 여기서 다수의 플랫튜브(1)에 의해 형성된 유로를 따라 유동하면서 외부 공기와 열교환을 이룬 후, 냉매유출관측 매니폴드(4')를 통하여 유출된다.As shown in FIG. 1, the heat exchanger is formed by stacking a plurality of flat tubes 1 having a predetermined flow path. The heat dissipation fins 2 are interposed between the flat tubes 1, and support plates 3 and 3 ′ are coupled to both sides. The heat exchanger also has manifolds 4 and 4 'connected to the refrigerant inlet pipe and the refrigerant outlet pipe, respectively. The refrigerant is introduced into the heat exchanger body through the refrigerant inlet manifold (4), where the refrigerant flows along the flow path formed by the plurality of flat tubes (1) and exchanges heat with the outside air, and then the refrigerant outlet manifold (4). Out through ').
상기와 같은 작용을 하는 열교환기는, 앞에서도 설명한 바와 같이, 그 특성상 작동시 표면에 응축수가 생성되어 맺히게 되는데, 이러한 응축수를 신속히 배출시키고 또 악취 및 각종 세균이 번식하는 것을 방지하기 위하여 표면에 광반도성복합세라믹스를 함유한 조성물로 이루어지는 친수, 탈취 및 항균성 피막이 코팅되어있다.As described above, the heat exchanger having the above function is condensed and formed on the surface during operation due to its characteristics, and the light peninsula on the surface of the heat exchanger in order to quickly discharge the condensed water and to prevent odors and various bacteria from propagating. It is coated with a hydrophilic, deodorant and antimicrobial coating consisting of a composition containing a sex composite ceramic.
상기 광반도성복합세라믹스를 함유한 조성물로 이루어지는 친수, 탈취 및 항균성 피막은 별도의 자외선 파장대의 광에너지가 없어도 금속이온의 치환에 따른 암소 및 상온에서 광촉매 활성 발현에 의한 산화작용으로 악취물질을 제거함과 아울러 금속이온에 의해 악취물질을 분해하는 특징이 있으며, 또한, 뛰어난 살균력을 발휘하는 특징이 있다.Hydrophilic, deodorant and antimicrobial coatings composed of the composition containing the optical semiconductive composite ceramics remove odorous substances by oxidation by photocatalytic activity at dark and room temperature due to the substitution of metal ions even without optical energy in the ultraviolet wavelength range. In addition, there is a characteristic of decomposing odorous substances by metal ions, and also has the characteristic of exhibiting excellent sterilizing power.
상기한 바와 같은 특징을 가지는 본 발명에 따른 친수, 탈취 및 항균성 피막 형성용 조성물에 함유된 광반도성복합세라믹스는 티타늄 이소프로옥사이드(Titanium isopropoxide)[Ti(OCH(CH3)2)4]와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화티타늄(TiO2) 0.57mol/ℓ, 테트라에칠 오소실리케이트 테트라옥시실랜(Tetraethyl orthosilicate tetraethoxysilane)(C8H20O4Si)와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화실리콘(SiO2) 0.44mol/ℓ, 아연 아세테이트(Zn acetate)[Zn(C2H3O2)2]로부터 제조한 산화아연(ZnO) 0.5mol/ℓ, 그리고, 실버(Silver)를, 중량대비 TiO250%, SiO240%, ZnO 9%, Silver 1%의 비율로 복합처리한 수용액 또는 분말 상태로 이루어질 수 있다.The optical semiconducting composite ceramic contained in the composition for forming a hydrophilic, deodorizing and antimicrobial film according to the present invention having the characteristics as described above is composed of titanium isopropoxide [Ti (OCH (CH 3 ) 2 ) 4 ] and isopropyl alcohol (isopropyl alcohol) [(CH 3 ) 2 CHOH] a titanium dioxide (TiO 2) 0.57mol / ℓ, erroneous hit the tetra silicate tetra oxy silraen (Tetraethyl orthosilicate tetraethoxysilane) (C 8 H 20 O 4 Si prepared as ) And isopropyl alcohol [(CH 3 ) 2 CHOH] from silicon dioxide (SiO 2 ) 0.44 mol / l, zinc acetate (Zn acetate) [Zn (C 2 H 3 O 2 ) 2 ] The prepared zinc oxide (ZnO) 0.5mol / ℓ, and the silver (Silver) in the aqueous solution or powder state of the composite treatment at a ratio of 50% TiO 2 , 40% SiO 2 , 9% ZnO, 1% Silver Can be done.
이와 같은 광반도성복합세라믹스는 본 발명자에 의해 선출원된 특허출원 10-1999-009735(광반도성복합세라믹스와 그 제조방법 : 공개번호 2000-012172)호에 그조성 및 제조방법이 개시되어 있다. 본원인은 상기 선출원특허에서 광반도성복합세라믹스의 탈취와 항균 작용에 대하여 몇가지 실험을 통하여 그 효과가 뛰어나다는 것을 입증하였으며, 본 발명은 상기와 같은 탈취 및 항균성능이 뛰어난 광반도성복합세라믹스를 함유하는 조성물을 열교환기의 표면에 도포하여 친수, 탈취 및 항균성 피막을 가지는 열교환기를 제공하고자 한다.Such a light semiconducting composite ceramic is disclosed in Patent Application No. 10-1999-009735 (Optical Semiconducting Composite Ceramics and Its Manufacturing Method: Publication No. 2000-012172) filed by the inventor of the present invention. The present applicant has proved that the effect is excellent through several experiments on the deodorization and antibacterial action of the optical semiconducting composite ceramic in the above-mentioned patent application, the present invention provides an optical semiconducting composite ceramic excellent in the deodorizing and antimicrobial performance as described above The composition containing is applied to the surface of the heat exchanger to provide a heat exchanger having a hydrophilic, deodorizing and antimicrobial coating.
상기와 같은 친수, 탈취 및 항균성 피막을 가지는 열교환기의 피막 형성방법은 다음과 같다.The film formation method of the heat exchanger having a hydrophilic, deodorizing and antimicrobial coating as described above is as follows.
먼저, 상기와 같은 조성을 가지는 광반도성복합세라믹스를 함유한 조성물, 즉, 티타늄 이소프로옥사이드(Titanium isopropoxide)[Ti(OCH(CH3)2)4]와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화티타늄(TiO2) 0.57mol/ℓ, 테트라에칠 오소실리케이트 테트라옥시실랜(Tetraethyl orthosilicate tetraethoxysilane)(C8H20O4Si)와 이소프로필 알코올(Isopropyl alcohol)[(CH3)2CHOH]로 제조한 이산화실리콘(SiO2) 0.44mol/ℓ, 아연 아세테이트(Zn acetate)[Zn(C2H3O2)2]로부터 제조한 산화아연(ZnO) 0.5mol/ℓ, 그리고, 실버(Silver)를, 중량대비 TiO250%, SiO240%, ZnO 9%, Silver 1%의 비율로 복합처리한 수용액 또는 분말 상태의 광반도성복합세라믹스를 제조한다. 이러한 광반도성복합세라믹스의 제조방법은, 이산화티타늄(TiO2), 이산화실리콘(SiO2), 산화아연(ZnO) 등 금속 또는 금속염 중 1종 이상의 금속 또는 금속염을 물, 벤젠, 알콜,염산, 질산, 암모니아, 과산화수소 중 1종 이상과 반응시켜 각각의 용액을 제조한 후, 상기한 금속 또는 금속염에 은(Ag), 아연(Zn), 구리(Cu) 중 1종 이상의 금속이온을 담지하여 상기 금속이온을 첨가한 상기 금속염의 복합세라믹스 조성물을 만든다.First, a composition containing an optical semiconducting composite ceramic having the above composition, that is, titanium isopropoxide [Ti (OCH (CH 3 ) 2 ) 4 ] and isopropyl alcohol [(CH 3 ) 0.57 mol / l of titanium dioxide (TiO 2 ) prepared with 2 CHOH], tetraethyl orthosilicate tetraethoxysilane (C 8 H 20 O 4 Si) and isopropyl alcohol [ 0.44 mol / l of silicon dioxide (SiO 2 ) made of (CH 3 ) 2 CHOH], zinc mol (ZnO) made from Zn acetate [Zn (C 2 H 3 O 2 ) 2 ] 0.5 mol / 1 L and a light semiconducting composite ceramic in the form of an aqueous solution or powder in which silver is mixed in a ratio of 50% TiO 2 , 40% SiO 2 , 9% ZnO, and 1% Silver. The method of manufacturing the optical semiconducting composite ceramics includes one or more metals or metal salts of metals or metal salts such as titanium dioxide (TiO 2 ), silicon dioxide (SiO 2 ) and zinc oxide (ZnO), such as water, benzene, alcohol, hydrochloric acid, Each solution is prepared by reacting with at least one of nitric acid, ammonia and hydrogen peroxide, and then carrying one or more metal ions of silver (Ag), zinc (Zn) and copper (Cu) on the metal or metal salt. A composite ceramic composition of the metal salt to which a metal ion is added is made.
다음으로, 상기 광반도성복합세라믹스 조성물을 친수성 코팅액과 혼합하여 피막 형성용 조성액을 준비한다.Next, the optical semiconducting composite ceramic composition is mixed with a hydrophilic coating liquid to prepare a composition for forming a film.
이후, 상기 조성액을 소정의 공정을 거쳐 조립되어 나오는 열교환기의 표면에 골고루 도포하고, 건조하는 과정으로 열교환기의 표면에 소정의 친수, 탈취 및 항균성 피막을 형성한다.Thereafter, the composition solution is evenly applied to the surface of the heat exchanger assembled through a predetermined process and dried to form a predetermined hydrophilic, deodorizing and antimicrobial coating on the surface of the heat exchanger.
여기서, 상기 조성액 도포단계는, 통상의 도포 방식, 예를 들면, 침적방식, 분무방식, 샤워방식, 흐름방식 및 롤러방식 등으로 할 수 있다. 여기서, 침적방식에 의하는 경우, 피코팅체인 열교환기를 조성액에 1∼3분 동안 3회에 걸쳐 담그는 것에 의해 이루어진다. 여기서, 공정관리 항목으로는 농도, pH, 액상태 등이며, 농도관리는 굴절계 또는 전도계를 이용하여 10∼20% 정도로 관리하고, pH는 7∼10정도 관리한다. 그리고, 조성액 중에 불순물이 발생하는 경우에는 여과시켜 제거한다.Here, the composition liquid coating step may be a conventional coating method, for example, immersion method, spray method, shower method, flow method and roller method. In the case of the deposition method, the heat exchanger to be coated is immersed three times in the composition liquid for 1 to 3 minutes. Here, the process control items are concentration, pH, liquid state, and the like. The concentration management is controlled at about 10 to 20% by using a refractometer or a conductivity meter, and the pH is controlled at about 7 to 10 degrees. And when an impurity generate | occur | produces in a composition liquid, it removes by filtering.
상기 건조단계는, 300℃ 이하의 온도에서 건조하며, 열풍건조방식을 일반적으로 택하나, 수분건조에 효과적인 적외선건조, 진공건조, 저주파건조 등의 여러가지 방법을 병행할 수 있다. 바람직한 건조 과정은, 예비건조, 본건조 및 냉각으로 이루어진다. 예비건조는 열풍방식에 따르며, 80∼150℃의 분위기에서 1∼5분 정도행한다. 본건조 역시 열풍방식에 의하며, 130∼230℃의 분위기에서 3∼20분 정도 행한다. 이 때, 비점 이상의 성분은 증발하고 건조된 조성물로 피막이 형성된다. 마지막으로 냉각은, 상온송풍방식에 의하며, 10∼60초 정도 행함으로써 피막을 상온까지 냉각시킨다.The drying step is to dry at a temperature of less than 300 ℃, generally take the hot air drying method, may be combined with various methods, such as infrared drying, vacuum drying, low frequency drying effective for moisture drying. Preferred drying procedures consist of predrying, main drying and cooling. Preliminary drying is performed by hot air system, and it is performed for 1 to 5 minutes in the atmosphere of 80-150 degreeC. This drying is also carried out by a hot air method and is performed for about 3 to 20 minutes in an atmosphere of 130 to 230 ° C. At this time, components above the boiling point are evaporated and a film is formed from the dried composition. Finally, cooling is performed by a normal temperature blowing system, and it cools a film to normal temperature by performing about 10 to 60 second.
한편, 본 발명에 의한 친수, 탈취 및 항균성 피막 형성방법은, 열교환기가 가혹한 부식환경속에서 이용되는 경우, 피막의 내식성 향상을 위한 내식성 피막을 형성하는 단계를 더 포함할 수 있다. 이 단계는 조성액의 도포전에 이루어지며, 이러한 내식성 피막으로는, 크로메이트 피막, 인산아연 피막, 티타늄, 지르코늄, 바나듐 또는 망간화합물과 그 복합화합물로 이루어지는 피막 등이 있다.On the other hand, the hydrophilic, deodorizing and antimicrobial film forming method according to the present invention, when the heat exchanger is used in a harsh corrosive environment, may further comprise forming a corrosion resistant film for improving the corrosion resistance of the film. This step is carried out before the application of the composition liquid. Such corrosion resistant coatings include chromate coatings, zinc phosphate coatings, titanium, zirconium, vanadium or manganese compounds and composites thereof.
또한, 본 발명에 의한 친수, 탈취 및 항균성 피막 형성방법은, 열교환기의 표면에 존재하는 불순물이나 오염을 제거하기 위한 세정 및 세척 단계, 그리고, 조성액의 도포후 도포된 조성액층의 표면을 균일하게 유지시키기 위한 제적단계를 더 포함할 수 있다.In addition, the method of forming a hydrophilic, deodorizing and antimicrobial coating according to the present invention, the washing and washing step for removing impurities or contamination present on the surface of the heat exchanger, and uniformly the surface of the applied composition liquid layer after application of the composition liquid It may further include a removal step for maintaining.
상기 세정 및 세척단계는, 1∼10%의 가성소다 수용액에 열교환기를 1∼5분 정도 침적해서 표면을 세정하고, 다시 공업용수나 순수액에 세정된 열교환기를 30∼180초 정도 2회에 걸쳐 침적하여 세척한다. 이 때, 시간이 경과함에 따라 세척 공정의 오염정도가 심화될 수 있으므로 공업용수를 오버플로우(over flow)방식으로 정화하는 것이 좋다.In the washing and washing step, the surface of the heat exchanger was immersed in an aqueous solution of caustic soda for 1 to 5 minutes for 1 to 5 minutes to clean the surface, and the heat exchanger rinsed in industrial water or pure water was immersed twice in about 30 to 180 seconds. To clean. At this time, since the degree of contamination of the washing process may be intensified as time passes, it is preferable to purify industrial water by an overflow method.
이상에서 설명한 바와 같은 광반도성복합세라믹스를 함유한 친수피막이 코팅된 열교환기는, 별도의 자외선 파장대의 광에너지가 없이도 금속이온의 치환에 따른 암소 및 상온에서 광촉매 활성 발현에 의한 산화작용으로 악취물질을 제거함과 아울러 금속이온에 의해 악취물질을 분해한다. 또한 활성이온인 금속이온에 의하여 악취발생의 2차 원인인 미생물의 번식을 억제함으로써 유기물 분해에 의한 악취발생을 제거하므로 탈취, 항균 작용의 두가지 메카니즘에 의한 우수한 탈취 성능을 얻을 수 있다.As described above, the heat exchanger coated with the hydrophilic coating containing the optical semiconducting composite ceramics has no odorous substances by oxidative action due to the photocatalytic activity at the dark and room temperature due to the substitution of metal ions without the optical energy in the ultraviolet wavelength band. In addition to the removal of odorous substances by metal ions. In addition, by suppressing the propagation of microorganisms, which are the secondary causes of odor generation by metal ions, which are active ions, the odor generation by organic matter decomposition is eliminated, thereby obtaining excellent deodorization performance by two mechanisms of deodorization and antibacterial action.
따라서, 종래와 같은 자외선 방사램프나 광촉매 활성용 램프 등을 구비하지 않고도 요구되는 탈취 및 항균 성능을 발휘하게 되므로 비용 절감을 도모할 수 있다.Therefore, the required deodorization and antibacterial performance can be achieved without providing the conventional ultraviolet radiation lamp, photocatalytic activation lamp, etc., thereby reducing the cost.
한편, 이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고, 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 않고, 이하 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진자라면 누구든지 다양한 변형 실시가 가능함은 물론이며, 그와 같은 변형은 청구범위 기재의 범위 내에 있게 된다.On the other hand, while the above has been shown and described with respect to preferred embodiments of the present invention, the present invention is not limited to the above-described embodiment, the field to which the invention belongs without departing from the spirit of the invention claimed in the claims below. Of course, anyone skilled in the art can make various modifications, as well as such modifications are within the scope of the claims.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005098076A1 (en) * | 2004-04-06 | 2005-10-20 | Lg Electronics, Inc. | Ultra-hydrophilic and antibacterial thin film coated metal product, and it’s manufacturing method |
| CN100372618C (en) * | 2004-09-10 | 2008-03-05 | 北京化工大学 | Aluminium heat exchanger and aluminium foil surface hydrophilic corrosive-resistant filming method |
| KR100892455B1 (en) * | 2007-08-20 | 2009-04-10 | 엘지전자 주식회사 | Corrosion-resistant, ultra-hydrophilic and antibacterial thin film coated metal product |
| EP2463403A1 (en) * | 2010-12-10 | 2012-06-13 | LG Electronics Inc. | Product having functional layer and method for fabricating the same |
| KR101319901B1 (en) * | 2011-03-25 | 2013-10-18 | 엘지전자 주식회사 | Machine for Manufacturing Product with functional layer amd Method for controlling the same |
| KR101371378B1 (en) * | 2013-02-18 | 2014-03-12 | (주)청원산업 | Boundary sidewalk and driveway block, and its manufacturing method |
| US9169561B2 (en) | 2011-03-25 | 2015-10-27 | Lg Electronics Inc. | Plasma enhanced chemical vapor deposition apparatus and method for controlling the same |
| US10081870B2 (en) | 2011-03-25 | 2018-09-25 | Lg Electronics Inc. | Plasma enhanced chemical vapor deposition apparatus and method for controlling the same |
| DE102020112185A1 (en) | 2020-05-06 | 2021-11-11 | Volkswagen Aktiengesellschaft | Heat exchanger for a vehicle |
| KR20220065646A (en) | 2020-11-13 | 2022-05-20 | 한양대학교 산학협력단 | Heater-integrated hydrophilic-hydrophobic hybrid patterned fin surface of heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100201713B1 (en) * | 1996-10-04 | 1999-06-15 | 전우연 | A method for preparing antibacterial tail |
| KR20000012172A (en) * | 1999-03-22 | 2000-03-06 | 전형탁 | Photo semiconductive composite ceramics and the manufacturing method |
| KR20000067874A (en) * | 1996-07-19 | 2000-11-25 | 시게후치 마사토시 | Photocatalytic Hydrophilic Coating Composition |
| KR20010025751A (en) * | 2001-01-29 | 2001-04-06 | 전형탁 | Photo-semiconductive composite ceramics coating tile and The manufacturing method |
-
2001
- 2001-05-16 KR KR1020010026729A patent/KR20020088029A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000067874A (en) * | 1996-07-19 | 2000-11-25 | 시게후치 마사토시 | Photocatalytic Hydrophilic Coating Composition |
| KR100201713B1 (en) * | 1996-10-04 | 1999-06-15 | 전우연 | A method for preparing antibacterial tail |
| KR20000012172A (en) * | 1999-03-22 | 2000-03-06 | 전형탁 | Photo semiconductive composite ceramics and the manufacturing method |
| KR20010025751A (en) * | 2001-01-29 | 2001-04-06 | 전형탁 | Photo-semiconductive composite ceramics coating tile and The manufacturing method |
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| KR100892455B1 (en) * | 2007-08-20 | 2009-04-10 | 엘지전자 주식회사 | Corrosion-resistant, ultra-hydrophilic and antibacterial thin film coated metal product |
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