KR960015441B1 - Manufacturing method of aluminium plates coated by carbon flaoride resin - Google Patents
Manufacturing method of aluminium plates coated by carbon flaoride resin Download PDFInfo
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- KR960015441B1 KR960015441B1 KR1019940001881A KR19940001881A KR960015441B1 KR 960015441 B1 KR960015441 B1 KR 960015441B1 KR 1019940001881 A KR1019940001881 A KR 1019940001881A KR 19940001881 A KR19940001881 A KR 19940001881A KR 960015441 B1 KR960015441 B1 KR 960015441B1
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- coating
- fluorocarbon resin
- roller
- plate
- resin
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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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
- C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C09D201/04—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
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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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
제1도는 본 발명에 응용되는 제조공정의 장치개념도.1 is an apparatus conceptual diagram of a manufacturing process applied to the present invention.
본 발명은 불화탄소수지가 롤러코팅된 알루미늄 판재의 제조방법에 관한 것이다.The present invention relates to a method for producing an aluminum plate roller coated with fluorocarbon resin.
기존 알루미늄 주방용품 제조용 판재의 불화탄소수지 코팅기술은 알루미늄 판재를 기계적, 화학적 또는 전기화학적으로 표면을 거칠게 한후 불화탄소수지를 스프레이나 스핀코팅방식으로 도포하여 제품을 생산하고 있다.The fluorocarbon resin coating technology of the existing plate for manufacturing aluminum kitchen utensils produces a product by applying a fluorocarbon resin by spraying or spin coating after roughening the surface of the aluminum plate mechanically, chemically or electrochemically.
그러나 스프레이 코팅의 경우 불화탄소수지의 45% 정도가 손실되어 가격상승의 주요인이 되며 서영후 불화탄소수지를 코팅하여 소성하므로 소성에 의해 강도가 저하되어 불량요인이 되고 있으며 스핀코팅의 경우에는 액의 손실이 크며 둥근원판에만 적용가능하고 대량 생산이 어렵고 두께조절이 불가능하여 1가지 종류의 제품을 다량으로 생산하는 경우에는 가능하지만 제품의 모양의 불균일하거나 사각형인 경우와 소재의 두께가 다양하거나 불화탄소수지를 두께를 조절해야 할 경우에는 불화탄소수지의 소모가 많아 대량 생산에는 적용이 불가능하다.However, in the case of spray coating, about 45% of fluorocarbon resin is lost, which is the main cause of price increase.Since after coating, fluorocarbon resin is coated and fired, the strength decreases by sintering, which is a bad factor. It is possible to produce a large quantity of one kind of product because of high loss, applicable to round discs, difficult to mass-produce, and unable to control thickness, but it is possible to produce a large quantity of one kind of product, and the shape of the product is varied or the thickness of the material is different or carbon fluoride When the thickness of the resin needs to be adjusted, the fluorocarbon resin is consumed a lot, and thus it is not applicable to mass production.
그러나 롤러코팅은 이러한 경우에는 불화탄소수지의 소모의 최소화하여 코팅이 가능하고 또 롤러코팅을 도입함으로써 공정을 대폭 축소하고 공정을 연속으로 자동화할 수 있어 생산성을 향상시킴으로써 원가를 절감하고 품질의 균일화로 고급화할 수 있다.In this case, however, the roller coating can be coated by minimizing the consumption of carbon fluorocarbon resin, and the roller coating can be used to greatly reduce the process and continuously automate the process, thereby improving productivity and reducing costs and improving quality. Can be advanced.
그리고 이미 알려진 일본 공개특허공보 평 4-246535호는 불화탄소수지 코팅된 코팅층을 압연롤러를 통과시켜 불화탄소수지면의 조도를 평활화시켜 불화탄소수지를 여러층 코팅하더라도 평활한 코팅층을 얻을 수 있으며, 또 핀홀을 감소시켜 내식성을 향상시키기 위함을 특징으로 하는 것인데, 설치된 롤러는 코팅하기 위한 목적이 아니라 코팅된 불화탄소수지를 평활하게 압연시키기 위하여 설치한 것이며, 이와 같은 롤러 배치로는 절대로 불화탄소수지를 롤러코팅할 수 없고, 이 기술에 제시된 다층불소수지피복물의 개념은 본 발명 내용중 코팅을 다층으로 한다는 것만 일치하지만 큰 차이점은 일본 특허에서는 불화탄소수지를 다층으로 하기 위하여 압연롤러를 통과하여 면을 평활하게 하기 위한 목적이고, 본 발명의 내용은 불화탄소수지를 다층으로 코팅하기 위하여 롤러코팅하는 장치를 여러개 설치함으로써 불화탄소수지의 피막을 두껍게 하기 위한 것으로 많이 차이가 있다.In addition, Japanese Patent Laid-Open No. 4-246535 is known to smooth the roughness of the fluorocarbon resin surface by passing a fluorocarbon resin coated coating layer through a rolling roller to obtain a smooth coating layer even when multiple layers of fluorocarbon resin are coated. It is characterized in that to reduce the pinhole to improve the corrosion resistance, the installed roller is not intended for coating, but is installed to roll the coated fluorocarbon resin smoothly, such a roller arrangement is absolutely no fluorocarbon resin The concept of multilayer fluorine resin coatings which cannot be roller coated and presented in this technique is consistent with the fact that the coating is multilayered in the present invention, but the major difference is that in the Japanese patent, the surface is passed through a rolling roller to make the fluorocarbon resin a multilayer. The purpose of the present invention is to provide a smooth, multi-layered fluorocarbon resin. In order to thicken the film of the fluorocarbon resin by installing a plurality of roller coating apparatus for coating with a large difference.
즉, 기존의 불화탄소수지 코팅방법은 스프레이(spray)코팅, 스핀 플로우(spin flow) 코팅이 있으나 제품의 특성에 따라 방법을 달리하여 사용하고 있다. 그러나 위의 방법들은 생산성이 낮아서 가격상승이 요인이 되고 있다. 이러한 코팅 방법을 획기적으로 개선한 것이 롤러(ro1ler) 코팅으로 회전하는 3개의 롤러로 구성되어 있으며 중간에 있는 롤러는 고무롤러로 제작하여 우선 위쪽 2개의 롤러를 맞물려 회전시키면서 그 위에 불화탄소수지를 공급하면 고무롤러에 불화탄소수지가 우선 도포되어 있다가 아래부분에 있는 롤러사이로 판재가 들어오면 고무롤러에 도포되어 있던 불화탄소수지가 판재에 압착되면서 판재에 불화탄소수지가 피복되게 되면 불화탄소수지를 건조시켜 그위에 다시 코팅하면 다층으로 코팅할 수 있다. 따라서, 본원 발명에서는 롤러코팅으로 다층박막을 제조하는 방법과 제작된 판재에 대한 것으로 일본 참증과는 전혀 내용이 다르다.That is, the conventional fluorocarbon resin coating method is spray (spray) coating, spin flow (spin flow) coating (spin flow) coating, but the method is used according to the characteristics of the product. However, the above methods are low in productivity, causing the price to rise. A significant improvement of this coating method consists of three rollers rotating with a roller (ro1ler) coating, and the roller in the middle is made of rubber rollers to feed the fluorocarbon resin on top of them by interlocking the two upper rollers. When the fluorocarbon resin is first applied to the rubber roller, and the sheet is introduced between the rollers at the bottom, the fluorocarbon resin applied to the rubber roller is pressed onto the plate, and the fluorocarbon resin is coated on the plate. Drying and recoating on it allows coating in multiple layers. Therefore, in the present invention, the method for producing a multilayer thin film by roller coating and the produced sheet material are completely different from Japanese reference.
즉, 일본 특허에서는 불화탄소수지 코팅방법에 대한 언급은 없고 단지 어떠한 방법으로 코팅하더라도 평활한 면을 유지하여 그위에 불화탄소수지를 다시 코팅하는 목적으로 압연롤러를 사용하는 반면에 본 발명에서는 평활하게 유지하여 코팅할 목적이 아니고 단지 코팅롤러를 사용하여 불화탄소수지를 코팅하여 제조하되 그것을 반복하므로써 두꺼운 불화탄소수지 코팅층을 얻을 수 있는 점이 전혀 다르다.That is, in the Japanese patent, there is no mention of the fluorocarbon resin coating method, and the rolling roller is used for the purpose of re-coating the fluorocarbon resin thereon by maintaining the smooth surface even if it is coated only by any method. The purpose is not to maintain and coat the coating, but to manufacture a fluorocarbon resin using only a coating roller, but by repeating it, a thick fluorocarbon resin coating layer is completely different.
이하 발명의 요지를 공정장치인 첨부도면에 연계시켜 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, which are process equipment.
본 발명으로서 불화탄소수지를 코팅하는 기술은 크게 두가지로 나누어서 불화탄소수지가 알루미늄 판재에 부착해서 잘 떨어지지 않게 하기 위하여 알루미늄 표면을 거칠게 해주는 공정과 불화탄소수지를 코팅하는 기수로 분류된다.In the present invention, a technique of coating a fluorocarbon resin is divided into two types, a process of roughening an aluminum surface in order to prevent the fluorocarbon resin from adhering to the aluminum sheet and falling well, and the base of coating the fluorocarbon resin.
표면을 거칠게하는 공정은 기계적인 방법과 화학적인 방법, 전기화학적인 방법으로 분류한다.Surface roughening process is classified into mechanical method, chemical method and electrochemical method.
기계적인 방법은 가는 모래를 높은 압력으로 분사하는 알루미늄 표면을 기계적으로 요청을 주는 방법이고 화학적인 방법은 화학적으로 알루미늄을 용해할 수 있는 용액에 침적해서 표면을 용해함으로써 요철을 주는 방법이며 전기화학적인 방법은 용액중에 침적해서 인위적으로 전위를 줌으로써 전기 화학적인 반응에 의해 표면에 요철을 주는 방법으로 이미 대한민국 특허 제25805호 화학적인 에칭방법과 전기화학적인 에칭공정에 대하여는 특허를 획득하였으며 그 위에 불화탄소수지를 스핀코팅하여 제작한 알루미늄 판재는 전기밥솥에 널리 사용되고 있다.The mechanical method is a method of mechanically requesting an aluminum surface that sprays fine sand at high pressure. The chemical method is a method of chemically depositing an aluminum surface by dissolving it in a solution capable of dissolving aluminum. The method is a method of impregnating the surface by electrochemical reaction by immersing in solution and artificially dislocation, and has already obtained patent for chemical etching method and electrochemical etching process of Korean Patent No. 25805. Aluminum plates made by spin coating resins are widely used in electric rice cookers.
본 발명의 요지는 도 1과 같이 알루미늄 판재에 표면을 조면화 처리해서 불화탄소수지를 롤러코팅하여 주방용 제조용 알루미늄 판재를 제조하는 기술인데 불화탄소수지를 1회 코팅하거나 연속적으로 3∼5회 롤러코팅하여 다중의 불화탄소수지 코팅된 판재 제조기술에 관한 것이다.The gist of the present invention is a technique for manufacturing aluminum plate for kitchen manufacturing by roller coating fluorocarbon resin by roughening the surface on an aluminum plate as shown in FIG. 1 or coating the fluorocarbon resin once or three to five times in a row. It relates to a multi-fluorocarbon resin coated plate manufacturing technology.
도 1에서 부호 1은 알루미늄판재, 2는 스틸롤러, 3은 고무롤러, 4는 컨베어롤러, 5는 불화탄소수지, 6은 건조로, 7은 자동유입기, 8은 소성로, 9는 쿨링기, 10은 뒷면 내열도료코팅기, 11은 검사 및 포장기의 일연의 장치로 구성되어 있다.In Figure 1, 1 is an aluminum plate, 2 is a steel roller, 3 is a rubber roller, 4 is a conveyor roller, 5 is a fluorocarbon resin, 6 is drying, 7 is an automatic inlet, 8 is a firing furnace, 9 is a cooling machine, 10 is composed of a heat-resistant coating machine on the back, and 11 is a series of inspection and packaging machines.
이와같이된 본 발명의 불화탄소수지 롤러 코팅기술은 스핀코팅방법과 비교해서 불화탄소수지의 코팅방법이 다르다.In this way, the fluorocarbon resin roller coating technique of the present invention is different from the fluorocarbon resin coating method compared to the spin coating method.
즉, 용액이 조성과 점도가 가장 중요한 기술로 조성과 점도가 달라지면 용액이 롤러에서 흘러내기거나 균일한 두께의 코팅이 불가능해지며 알루미늄판이 지나가는 부분에만 불화탄소수지가 코팅되기 때문에 스핀코팅에 비해서 용액의 소모가 20∼30% 절감되며 1회 혹은 수회에 걸쳐 코팅작업을 반복함으로서 제품에 따라 불화탄소수지 두께를 변화시킬 수 있다.In other words, the composition and viscosity of the solution is the most important technology, if the composition and viscosity is different, the solution will not flow out of the roller or coating of uniform thickness is impossible, and the carbon fluorocarbon resin is coated only on the part where the aluminum plate passes, 20 ~ 30% of the consumption is reduced and the thickness of the fluorocarbon resin can be changed depending on the product by repeating the coating process once or several times.
이후 소성로에서 소성하고 쿨링기에서 냉각하며 필요에 따라 뒷면 내열도료 코팅한후 검사 포장하여 완료한다.After firing in the kiln and cooling in a cooler, if necessary, after coating the heat-resistant paint on the back and inspected and finished.
이상의 방법으로 제조된 판재는 스핀코팅이나 스프레이 코팅한 것보다 표면이 깨끗하고 금형이 성형하더라도 박리되거나 밀착 불량현상이 나타나지 않았으며 크로스 컷(cross cut) 밀착 시험결과도 매우 우수하게 나타나 해당산업분야에 널리 실용화 보급시킬 수 있는 것이다.The plate produced by the above method has a clean surface than spin coating or spray coating, and even if the mold is molded, there is no peeling or poor adhesion and the cross cut adhesion test results are excellent. It can be widely used and spread.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940001881A KR960015441B1 (en) | 1994-02-02 | 1994-02-02 | Manufacturing method of aluminium plates coated by carbon flaoride resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940001881A KR960015441B1 (en) | 1994-02-02 | 1994-02-02 | Manufacturing method of aluminium plates coated by carbon flaoride resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950024877A KR950024877A (en) | 1995-09-15 |
| KR960015441B1 true KR960015441B1 (en) | 1996-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940001881A KR960015441B1 (en) | 1994-02-02 | 1994-02-02 | Manufacturing method of aluminium plates coated by carbon flaoride resin |
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| Country | Link |
|---|---|
| KR (1) | KR960015441B1 (en) |
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1994
- 1994-02-02 KR KR1019940001881A patent/KR960015441B1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR950024877A (en) | 1995-09-15 |
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